﻿PK       ! �5��z  z    base/endpoint/index.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Endpoint;

use Elementor\Data\V2\Base\Endpoint;
use WP_REST_Server;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class Index extends Endpoint {
	public function get_name() {
		return 'index';
	}

	public function get_format() {
		return "{$this->controller->get_full_name()}/{id}";
	}

	public function get_public_name() {
		return '';
	}

	public function get_items( $request ) {
		return $this->controller->get_items( $request );
	}

	public function get_item( $id, $request ) {
		return $this->controller->get_item( $request );
	}

	public function create_items( $request ) {
		return $this->controller->create_items( $request );
	}

	public function create_item( $id, $request ) {
		return $this->controller->create_item( $request );
	}

	public function update_items( $request ) {
		return $this->controller->update_items( $request );
	}

	public function update_item( $id, $request ) {
		return $this->controller->update_item( $request );
	}

	public function delete_items( $request ) {
		return $this->controller->delete_items( $request );
	}

	public function delete_item( $id, $request ) {
		return $this->controller->delete_item( $request );
	}

	public function register_items_route( $methods = WP_REST_Server::READABLE, $args = [] ) {
		parent::register_items_route( $methods, array_merge( $this->controller->get_items_args( $methods ), $args ) );
	}

	public function register_item_route( $methods = WP_REST_Server::READABLE, $args = [], $route = '/' ) {
		parent::register_item_route( $methods, array_merge( $this->controller->get_item_args( $methods ), $args ), $route );
	}
}
PK       ! z��4x  x  $  base/endpoint/index/all-children.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Endpoint\Index;

use Elementor\Data\V2\Base\Endpoint\Index;
use Elementor\Data\V2\Manager;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}
/**
 * class AllChildren, is optional endpoint.
 * Used in cases where the endpoints are static & there no use of dynamic endpoints( alpha/{id} ), eg:
 * 'settings' - controller
 * 'settings/products' - endpoint
 * 'settings/partners' - endpoint
 *
 * When 'settings' is requested, it should return results of all endpoints ( except it self ):
 * 'settings/products
 * 'settings/partners'
 * By running 'get_items' of each endpoint.
 */
class AllChildren extends Index {
	public function get_format() {
		return $this->controller->get_name() . '/index';
	}

	/*
	 * Retrieves a result(s) of all controller endpoint(s), items.
	 *
	 * Run overall endpoints of the current controller.
	 *
	 * Example, scenario:
	 * 'settings' - controller
	 * 'settings/products' - endpoint
	 * 'settings/partners' - endpoint
	 * Result:
	 * [
	 *  'products' => [
	 *      0 => ...
	 *      1 => ...
	 *  ],
	 *  'partners' => [
	 *      0 => ...
	 *      1 => ...
	 *  ],
	 * ]
	 */
	public function get_items( $request ) {
		$response = [];

		foreach ( $this->controller->get_sub_controllers() as $controller ) {
			$controller_route = $this->get_controller()->get_base_route() . '/' . $controller->get_name();
			$result = Manager::instance()->run_request( $controller_route );

			if ( ! $result->is_error() ) {
				$response[ $controller->get_name() ] = $result->get_data();
			}
		}

		foreach ( $this->controller->endpoints as $endpoint ) {
			// Skip self.
			if ( $endpoint === $this ) {
				continue;
			}

			$result = Manager::instance()->run_request( $endpoint->get_base_route() );

			if ( ! $result->is_error() ) {
				$response[ $endpoint->get_name() ] = $result->get_data();
			}
		}

		return $response;
	}
}
PK       ! mx���  �  *  base/endpoint/index/sub-index-endpoint.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Endpoint\Index;

use Elementor\Data\V2\Base\Endpoint\Index;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}
/**
 * Class SubIndexEndpoint is default `Base\Endpoint\Index` of `SubController`,
 * it was created to handle base_route and format for child controller, index endpoint.
 * In case `SubController` were used and the default method of `Controller::register_index_endpoint` ain't overridden.
 * this class will give support to have such routes, eg: 'alpha/{id}/beta/{sub_id}' without using additional endpoints.
 */
final class Sub_Index_Endpoint extends Index {
	/***
	 * @var \Elementor\Data\V2\Base\Controller
	 */
	public $controller;

	public function get_format() {
		return $this->controller->get_parent()->get_name() . '/{id}/' . $this->controller->get_name() . '/{sub_id}';
	}

	public function get_base_route() {
		$parent_controller = $this->controller->get_parent();
		$parent_index_endpoint = $parent_controller->index_endpoint;
		$parent_controller_route = '';

		// In case `$parent_index_endpoint` is AllChildren, it cannot support id_arg_name.
		if ( ! $parent_index_endpoint instanceof AllChildren ) {
			$parent_controller_route = "(?P<{$parent_index_endpoint->id_arg_name}>[\w]+)";
		}

		return untrailingslashit('/' . implode( '/', array_filter( [
			trim( $parent_index_endpoint->get_base_route(), '/' ),
			$parent_controller_route,
			$this->controller->get_name(),
			$this->get_public_name(),
		] ) ) );
	}
}
PK       ! �>7��  �    base/endpoint.phpnu �[���        <?php
namespace Elementor\Data\V2\Base;

use Elementor\Data\V2\Manager;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

abstract class Endpoint extends Base_Route {
	/**
	 * Current parent.
	 *
	 * @var \Elementor\Data\V2\Base\Controller|\Elementor\Data\V2\Base\Endpoint
	 */
	protected $parent;

	/**
	 * Loaded sub endpoint(s).
	 *
	 * @var \Elementor\Data\V2\Base\Endpoint[]
	 */
	protected $sub_endpoints = [];

	/**
	 * Get endpoint name.
	 *
	 * @return string
	 */
	abstract public function get_name();

	/**
	 *
	 * Get endpoint format.
	 * The formats that generated using this function, will be used only be `Data\Manager::run()`.
	 *
	 * @return string
	 */
	abstract public function get_format();

	/**
	 * Get controller.
	 *
	 * @return \Elementor\Data\V2\Base\Controller
	 */
	public function get_controller() {
		return $this->controller;
	}

	/**
	 * Get current parent.
	 *
	 * @return \Elementor\Data\V2\Base\Controller|\Elementor\Data\V2\Base\Endpoint
	 */
	public function get_parent() {
		return $this->parent;
	}

	/**
	 * Get public name.
	 *
	 * @return string
	 */
	public function get_public_name() {
		return $this->get_name();
	}

	/**
	 * Get full command name ( including index ).
	 *
	 * @return string
	 */
	public function get_full_command() {
		$parent = $this->get_parent();

		if ( $parent instanceof Controller ) {
			return $this->controller->get_full_name() . '/' . $this->get_name();
		}

		return $this->get_name_ancestry();
	}

	/**
	 * Get name ancestry format, example: 'alpha/beta/delta'.
	 *
	 * @return string
	 */
	public function get_name_ancestry() {
		$ancestors = $this->get_ancestors();
		$ancestors_names = [];

		foreach ( $ancestors as $ancestor ) {
			$ancestors_names [] = $ancestor->get_name();
		}

		return implode( '/', $ancestors_names );
	}

	/**
	 * Register sub endpoint.
	 *
	 * @param \Elementor\Data\V2\Base\Endpoint $endpoint
	 *
	 * @return \Elementor\Data\V2\Base\Endpoint
	 */
	public function register_sub_endpoint( Endpoint $endpoint ) {
		$command = $endpoint->get_full_command();
		$format = $endpoint->get_format();

		$this->sub_endpoints[ $command ] = $endpoint;

		Manager::instance()->register_endpoint_format( $command, $format );

		return $endpoint;
	}

	/**
	 * Get ancestors.
	 *
	 * @return \Elementor\Data\V2\Base\Endpoint[]
	 */
	private function get_ancestors() {
		$ancestors = [];
		$current = $this;

		do {
			if ( $current ) {
				$ancestors [] = $current;
			}

			$current = $current->get_parent();
		} while ( $current );

		return array_reverse( $ancestors );
	}

	/**
	 * Endpoint constructor.
	 *
	 * @param \Elementor\Data\V2\Base\Controller|\Elementor\Data\V2\Base\Endpoint $parent
	 * @param string $route
	 */
	public function __construct( $parent, $route = '/' ) {
		$controller = $parent;
		$this->parent = $parent;

		// In case, its behave like sub-endpoint.
		if ( ! ( $parent instanceof Controller ) ) {
			$controller = $parent->get_controller();
		}

		parent::__construct( $controller, $route );
	}
}
PK       ! �H�cg  g    base/processor.phpnu �[���        <?php
namespace Elementor\Data\V2\Base;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * Processor is just typically HOOK, who called before or after a command runs.
 * It exist to simulate frontend ($e.data) like mechanism with commands and hooks, since each
 * controller or endpoint is reachable via command (get_format).
 * The `Elementor\Data\V2\Manager::run` is able to run them with the ability to reach the endpoint.
 */
abstract class Processor {

	/**
	 * Controller.
	 *
	 * @var \Elementor\Data\V2\Base\Controller
	 */
	private $controller;

	/**
	 * Get processor command.
	 *
	 * @return string
	 */
	abstract public function get_command();

	/**
	 * Processor constructor.
	 *
	 * @param \Elementor\Data\V2\Base\Controller $controller
	 */
	public function __construct( $controller ) {
		$this->controller = $controller;
	}
}
PK       ! ���)  )    base/base-route.phpnu �[���        <?php
namespace Elementor\Data\V2\Base;

use Elementor\Data\V2\Base\Exceptions\Data_Exception;
use Elementor\Data\V2\Base\Exceptions\Error_500;
use WP_REST_Server;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * Class purpose is to separate routing logic into one file.
 */
abstract class Base_Route {
	const AVAILABLE_METHODS = [
		WP_REST_Server::READABLE,
		WP_REST_Server::CREATABLE,
		WP_REST_Server::EDITABLE,
		WP_REST_Server::DELETABLE,
		WP_REST_Server::ALLMETHODS,
	];

	/**
	 * Controller of current endpoint.
	 *
	 * @var \Elementor\Data\V2\Base\Controller
	 */
	protected $controller;

	/**
	 * Current route, effect only in case the endpoint behave like sub-endpoint.
	 *
	 * @var string
	 */
	protected $route;

	/**
	 * All register routes.
	 *
	 * @var array
	 */
	protected $routes = [];

	/**
	 * Registered item route.
	 *
	 * @var array|null
	 */
	protected $item_route = null;

	protected $id_arg_name = 'id';
	protected $id_arg_type_regex = '[\d]+';

	/**
	 * Ensure start-with and end-with slashes.
	 *
	 * '/' => '/'
	 * 'abc' => '/abc/'
	 * '/abc' => '/abc/'
	 * 'abc/' => '/abc/'
	 * '/abc/' => '/abc/'
	 *
	 * @param string $route
	 *
	 * @return string
	 */
	private function ensure_slashes( $route ) {
		if ( '/' !== $route[0] ) {
			$route = '/' . $route;
		}

		return trailingslashit( $route );
	}

	/**
	 * Get base route.
	 * This method should always return the base route starts with '/' and ends without '/'.
	 *
	 * @return string
	 */
	public function get_base_route() {
		$name = $this->get_public_name();
		$parent = $this->get_parent();
		$parent_base = $parent->get_base_route();
		$route = '/';

		if ( ! ( $parent instanceof Controller ) ) {
			$route = $parent->item_route ? $parent->item_route['route'] . '/' : $this->route;
		}

		return untrailingslashit( '/' . trim( $parent_base . $route . $name, '/' ) );
	}

	/**
	 * Get permission callback.
	 *
	 * By default get permission callback from the controller.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return boolean
	 */
	public function get_permission_callback( $request ) {
		return $this->controller->get_permission_callback( $request );
	}

	/**
	 * Retrieves a collection of items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function get_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Retrieves one item from the collection.
	 *
	 * @param string $id
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function get_item( $id, $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Creates multiple items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function create_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Creates one item.
	 *
	 * @param string $id id of request item.
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function create_item( $id, $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Updates multiple items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function update_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Updates one item.
	 *
	 * @param string $id id of request item.
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function update_item( $id, $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Delete multiple items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function delete_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Delete one item.
	 *
	 * @param string $id id of request item.
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	protected function delete_item( $id, $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Register the endpoint.
	 *
	 * By default: register get items route.
	 */
	protected function register() {
		$this->register_items_route();
	}

	protected function register_route( $route = '', $methods = WP_REST_Server::READABLE, $args = [] ) {
		if ( ! in_array( $methods, self::AVAILABLE_METHODS, true ) ) {
			trigger_error( "Invalid method: '$methods'.", E_USER_ERROR ); // phpcs:ignore
		}

		$route = $this->get_base_route() . $route;

		$this->routes [] = [
			'args' => $args,
			'route' => $route,
		];

		/**
		 * Determine behaviour of `base_callback()` and `get_permission_callback()`:
		 * For `base_callback()` which applying the action.
		 * Whether it's a one item request and should call `get_item_permission_callback()` or it's mutil items request and should call `get_items_permission_callback()`.
		 */
		$is_multi = ! empty( $args['is_multi'] );

		if ( $is_multi ) {
			unset( $args['is_multi'] );
		}

		$callback = function ( $request ) use ( $methods, $args, $is_multi ) {
			return $this->base_callback( $methods, $request, $is_multi );
		};

		return register_rest_route( $this->controller->get_namespace(), $route, [
			[
				'args' => $args,
				'methods' => $methods,
				'callback' => $callback,
				'permission_callback' => function ( $request ) {
					return $this->get_permission_callback( $request );
				},
			],
		] );
	}

	/**
	 * Register items route.
	 *
	 * @param string $methods
	 * @param array $args
	 */
	public function register_items_route( $methods = WP_REST_Server::READABLE, $args = [] ) {
		$args['is_multi'] = true;

		$this->register_route( '', $methods, $args );
	}

	/**
	 * Register item route.
	 *
	 * @param string $route
	 * @param array $args
	 * @param string $methods
	 */
	public function register_item_route( $methods = WP_REST_Server::READABLE, $args = [], $route = '/' ) {
		if ( ! empty( $args['id_arg_name'] ) ) {
			$this->id_arg_name = $args['id_arg_name'];

			unset( $args['id_arg_name'] );
		}

		if ( ! empty( $args['id_arg_type_regex'] ) ) {
			$this->id_arg_type_regex = $args['id_arg_type_regex'];

			unset( $args['id_arg_type_regex'] );
		}

		$args = array_merge( [
			$this->id_arg_name => [
				'description' => 'Unique identifier for the object.',
				'type' => 'string',
				'required' => true,
			],
		], $args );

		$route .= '(?P<' . $this->id_arg_name . '>' . $this->id_arg_type_regex . ')';

		$this->item_route = [
			'args' => $args,
			'route' => $route,
		];

		$this->register_route( $route, $methods, $args );
	}

	/**
	 * Base callback.
	 * All reset requests from the client should pass this function.
	 *
	 * @param string $methods
	 * @param \WP_REST_Request $request
	 * @param bool $is_multi
	 * @param array $args
	 *
	 * @return mixed|\WP_Error|\WP_HTTP_Response|\WP_REST_Response
	 */
	public function base_callback( $methods, $request, $is_multi = false, $args = [] ) {
		if ( $request ) {
			$json_params = $request->get_json_params();

			if ( $json_params ) {
				$request->set_body_params( $json_params );
			}
		}

		$args = wp_parse_args( $args, [
			'is_debug' => ( defined( 'WP_DEBUG' ) && WP_DEBUG ),
		] );

		$result = new \WP_Error( 'invalid_methods', 'route not supported.' );

		$request->set_param( 'is_multi', $is_multi );

		try {
			switch ( $methods ) {
				case WP_REST_Server::READABLE:
					$result = $is_multi ? $this->get_items( $request ) : $this->get_item( $request->get_param( 'id' ), $request );
					break;

				case WP_REST_Server::CREATABLE:
					$result = $is_multi ? $this->create_items( $request ) : $this->create_item( $request->get_param( 'id' ), $request );
					break;

				case WP_REST_Server::EDITABLE:
					$result = $is_multi ? $this->update_items( $request ) : $this->update_item( $request->get_param( 'id' ), $request );
					break;

				case WP_REST_Server::DELETABLE:
					$result = $is_multi ? $this->delete_items( $request ) : $this->delete_item( $request->get_param( 'id' ), $request );
					break;
			}
		} catch ( Data_Exception $e ) {
			$result = $e->to_wp_error();
		} catch ( \Exception $e ) {
			if ( empty( $args['is_debug'] ) ) {
				$result = ( new Error_500() )->to_wp_error();
			} else {
				// For frontend.
				$exception_mapping = [
					'trace' => $e->getTrace(),
					'file' => $e->getFile(),
					'line' => $e->getLine(),
				];

				$e->debug = $exception_mapping;

				$result = ( new Data_Exception( $e->getMessage(), $e->getCode(), $e ) )->to_wp_error();
			}
		}

		return rest_ensure_response( $result );
	}

	/**
	 * Constructor.
	 *
	 * run `$this->register()`.
	 *
	 * @param \Elementor\Data\V2\Base\Controller $controller
	 * @param string $route
	 */
	protected function __construct( Controller $controller, $route ) {
		$this->controller = $controller;
		$this->route = $this->ensure_slashes( $route );

		$this->register();
	}
}
PK       ! e���!  !    base/processor/after.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Processor;

use Elementor\Data\V2\Base\Processor;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

abstract class After extends Processor {

	/**
	 * Get conditions for running processor.
	 *
	 * @param array $args
	 * @param mixed $result
	 *
	 * @return bool
	 */
	public function get_conditions( $args, $result ) {
		return true;
	}

	/**
	 * Apply processor.
	 *
	 * @param $args
	 * @param $result
	 *
	 * @return mixed
	 */
	abstract public function apply( $args, $result );
}
PK       ! 	w���  �    base/processor/before.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Processor;

use Elementor\Data\V2\Base\Processor;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

abstract class Before extends Processor {

	/**
	 * Get conditions for running processor.
	 * @param array $args
	 *
	 * @return bool
	 */
	public function get_conditions( $args ) {
		return true;
	}

	/**
	 * Apply processor.
	 *
	 * @param array $args
	 *
	 * @return mixed
	 */
	abstract public function apply( $args );
}
PK       ! �g�j�.  �.    base/controller.phpnu �[���        <?php
namespace Elementor\Data\V2\Base;

use Elementor\Data\V2\Base\Exceptions\WP_Error_Exception;
use Elementor\Data\V2\Manager;
use WP_REST_Controller;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * TODO: Utilize 'WP_REST_Controller' as much as possible.
 */
abstract class Controller extends WP_REST_Controller {

	/**
	 * Loaded endpoint(s).
	 *
	 * @var \Elementor\Data\V2\Base\Endpoint[]
	 */
	public $endpoints = [];

	/**
	 * Index endpoint.
	 *
	 * @var \Elementor\Data\V2\Base\Endpoint\Index
	 */
	public $index_endpoint = null;

	/**
	 * Loaded processor(s).
	 *
	 * @var \Elementor\Data\V2\Base\Processor[][]
	 */
	public $processors = [];

	/**
	 * @var \Elementor\Data\V2\Base\Controller|null
	 */
	private $parent = null;

	/**
	 * @var \Elementor\Data\V2\Base\Controller[]
	 */
	private $sub_controllers = [];

	public static function get_default_namespace() {
		return Manager::ROOT_NAMESPACE;
	}

	public static function get_default_version() {
		return Manager::VERSION;
	}

	/**
	 * Get controller name.
	 *
	 * @return string
	 */
	abstract public function get_name();

	/**
	 * Register endpoints.
	 */
	public function register_endpoints() {
	}

	public function register_routes() {
		_doing_it_wrong( 'Elementor\Data\V2\Controller::register_routes', sprintf( "Method '%s' deprecated. use `register_endpoints()`.", __METHOD__ ), '3.5.0' );
	}

	/**
	 * Get parent controller name.
	 *
	 * @note: If `get_parent_name()` provided, controller will work as sub-controller.
	 *
	 * @returns null|string
	 */
	public function get_parent_name() {
		return null;
	}

	/**
	 * Get full controller name.
	 *
	 * The method exist to handle situations when parent exist, to include the parent name.
	 *
	 * @return string
	 */
	public function get_full_name() {
		if ( ! $this->parent ) {
			return $this->get_name();
		}

		return $this->parent->get_name() . '/' . $this->get_name();
	}

	/**
	 * Get controller namespace.
	 *
	 * @return string
	 */
	public function get_namespace() {
		return $this->namespace;
	}

	/**
	 * Get controller reset base.
	 *
	 * @return string
	 */
	public function get_base_route() {
		if ( ! $this->parent ) {
			return $this->rest_base;
		}

		return $this->parent->get_base_route() . '/' . $this->get_name();
	}

	/**
	 * Get controller route.
	 *
	 * @return string
	 */
	public function get_controller_route() {
		return $this->get_namespace() . '/' . $this->get_base_route();
	}

	/**
	 * Retrieves rest route(s) index for current controller.
	 *
	 * @return \WP_REST_Response|\WP_Error
	 */
	public function get_controller_index() {
		$server = rest_get_server();
		$routes = $server->get_routes();

		$endpoints = array_intersect_key( $server->get_routes(), $routes );

		$controller_route = $this->get_controller_route();

		array_walk( $endpoints, function ( &$item, $endpoint ) use ( &$endpoints, $controller_route ) {
			if ( ! strstr( $endpoint, $controller_route ) ) {
				unset( $endpoints[ $endpoint ] );
			}
		} );

		$data = [
			'namespace' => $this->get_namespace(),
			'controller' => $controller_route,
			'routes' => $server->get_data_for_routes( $endpoints ),
		];

		$response = rest_ensure_response( $data );

		// Link to the root index.
		$response->add_link( 'up', rest_url( '/' ) );

		return $response;
	}

	/**
	 * Get items args of index endpoint.
	 *
	 * Is method is used when `get_collection_params()` is not enough, and need of knowing the methods is required.
	 *
	 * @param string $methods
	 *
	 * @return array
	 */
	public function get_items_args( $methods ) {
		if ( \WP_REST_Server::READABLE === $methods ) {
			return $this->get_collection_params();
		}

		return [];
	}

	/**
	 * Get item args of index endpoint.
	 *
	 * @param string $methods
	 *
	 * @return array
	 */
	public function get_item_args( $methods ) {
		return [];
	}

	/**
	 * Get permission callback.
	 *
	 * Default controller permission callback.
	 * By default endpoint will inherit the permission callback from the controller.
	 *
	 * @param \WP_REST_Request $request
	 *
	 * @return bool
	 */
	public function get_permission_callback( $request ) {
		$is_multi = (bool) $request->get_param( 'is_multi' );

		$result = false;

		// The function is public since endpoint need to access it.
		// Utilize 'WP_REST_Controller' get_permission_check methods.
		switch ( $request->get_method() ) {
			case 'GET':
				$result = $is_multi ? $this->get_items_permissions_check( $request ) : $this->get_item_permissions_check( $request );
				break;
			case 'POST':
				$result = $is_multi ? $this->create_items_permissions_check( $request ) : $this->create_item_permissions_check( $request );
				break;
			case 'UPDATE':
			case 'PUT':
			case 'PATCH':
				$result = $is_multi ? $this->update_items_permissions_check( $request ) : $this->update_item_permissions_check( $request );
				break;

			case 'DELETE':
				$result = $is_multi ? $this->delete_items_permissions_check( $request ) : $this->delete_item_permissions_check( $request );
				break;
		}

		if ( $result instanceof \WP_Error ) {
			throw new WP_Error_Exception( $result );
		}

		return $result;
	}

	/**
	 * Checks if a given request has access to create items.
	 **
	 *
	 * @param \WP_REST_Request $request Full details about the request.
	 *
	 * @return true|\WP_Error True if the request has access to create items, WP_Error object otherwise.
	 */
	public function create_items_permissions_check( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Checks if a given request has access to update items.
	 *
	 * @param \WP_REST_Request $request Full details about the request.
	 *
	 * @return true|\WP_Error True if the request has access to update the item, WP_Error object otherwise.
	 */
	public function update_items_permissions_check( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Checks if a given request has access to delete items.
	 *
	 * @param \WP_REST_Request $request Full details about the request.
	 *
	 * @return true|\WP_Error True if the request has access to delete the item, WP_Error object otherwise.
	 */
	public function delete_items_permissions_check( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	public function get_items( $request ) {
		return $this->get_controller_index();
	}

	/**
	 * Creates multiple items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	public function create_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Updates multiple items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	public function update_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Delete multiple items.
	 *
	 * @param \WP_REST_Request $request Full data about the request.
	 *
	 * @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	public function delete_items( $request ) {
		return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
	}

	/**
	 * Get the parent controller.
	 *
	 * @return \Elementor\Data\V2\Base\Controller|null
	 */
	public function get_parent() {
		return $this->parent;
	}

	/**
	 * Get sub controller(s).
	 *
	 * @return \Elementor\Data\V2\Base\Controller[]
	 */
	public function get_sub_controllers() {
		return $this->sub_controllers;
	}

	/**
	 * Get processors.
	 *
	 * @param string $command
	 *
	 * @return \Elementor\Data\V2\Base\Processor[]
	 */
	public function get_processors( $command ) {
		$result = [];

		if ( isset( $this->processors[ $command ] ) ) {
			$result = $this->processors[ $command ];
		}

		return $result;
	}

	/**
	 * Register processors.
	 */
	public function register_processors() {
	}

	/**
	 * Register index endpoint.
	 */
	protected function register_index_endpoint() {
		if ( ! $this->parent ) {
			$this->register_endpoint( new Endpoint\Index( $this ) );

			return;
		}

		$this->register_endpoint( new Endpoint\Index\Sub_Index_Endpoint( $this ) );
	}

	/**
	 * Register endpoint.
	 *
	 * @param \Elementor\Data\V2\Base\Endpoint $endpoint
	 *
	 * @return \Elementor\Data\V2\Base\Endpoint
	 */
	protected function register_endpoint( Endpoint $endpoint ) {
		$command = $endpoint->get_full_command();

		if ( $endpoint instanceof Endpoint\Index ) {
			$this->index_endpoint = $endpoint;
		} else {
			$this->endpoints[ $command ] = $endpoint;
		}

		$format = $endpoint->get_format();

		// `$e.data.registerFormat()`.
		Manager::instance()->register_endpoint_format( $command, $format );

		return $endpoint;
	}

	/**
	 * Register a processor.
	 *
	 * That will be later attached to the endpoint class.
	 *
	 * @param Processor $processor
	 *
	 * @return \Elementor\Data\V2\Base\Processor $processor_instance
	 */
	protected function register_processor( Processor $processor ) {
		$command = $processor->get_command();

		if ( ! isset( $this->processors[ $command ] ) ) {
			$this->processors[ $command ] = [];
		}

		$this->processors[ $command ] [] = $processor;

		return $processor;
	}

	/**
	 * Register.
	 *
	 * Endpoints & processors.
	 */
	protected function register() {
		$this->register_index_endpoint();
		$this->register_endpoints();

		// Aka hooks.
		$this->register_processors();
	}

	/**
	 * Get collection params by 'additionalProperties' context.
	 *
	 * @param string $context
	 *
	 * @return array
	 */
	protected function get_collection_params_by_additional_props_context( $context ) {
		$result = [];

		$collection_params = $this->get_collection_params();

		foreach ( $collection_params as $collection_param_key => $collection_param ) {
			if ( isset( $collection_param['additionalProperties']['context'] ) && $context === $collection_param['additionalProperties']['context'] ) {
				$result[ $collection_param_key ] = $collection_param;
			}
		}

		return $result;
	}

	/**
	 * When `$this->get_parent_name` is extended, the controller will have a parent, and will know to behave like a sub-controller.
	 *
	 * @param string $parent_name
	 */
	private function act_as_sub_controller( $parent_name ) {
		$this->parent = Manager::instance()->get_controller( $parent_name );

		if ( ! $this->parent ) {
			trigger_error( "Cannot find parent controller: '$parent_name'", E_USER_ERROR ); // phpcs:ignore
		}

		$this->parent->sub_controllers [] = $this;
	}

	/**
	 * Controller constructor.
	 *
	 * Register endpoints on 'rest_api_init'.
	 */
	public function __construct() {
		$this->namespace = static::get_default_namespace() . '/v' . static::get_default_version();
		$this->rest_base = $this->get_name();

		add_action( 'rest_api_init', function () {
			$this->register(); // Because 'register' is protected.
		} );

		/**
		 * Since all actions were removed for custom internal REST server.
		 * Re-add the actions.
		 */
		add_action( 'elementor_rest_api_before_init', function () {
			add_action( 'rest_api_init', function () {
				$this->register();
			} );
		} );

		$parent_name = $this->get_parent_name();
		if ( $parent_name ) {
			$this->act_as_sub_controller( $parent_name );
		}
	}
}
PK       ! _��#[  [    base/exceptions/error-404.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Exceptions;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class Error_404 extends Data_Exception {

	protected function get_http_error_code() {
		return 404;
	}

	public function get_code() {
		return 'not-found';
	}

	public function get_message() {
		return '404 not found';
	}
}
PK       ! �H��q  q  &  base/exceptions/wp-error-exception.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Exceptions;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class WP_Error_Exception extends Data_Exception {
	public function __construct( \WP_Error $wp_error ) {
		parent::__construct( $wp_error->get_error_message(), $wp_error->get_error_code(), [
			'status' => $wp_error->get_error_code(),
		] );
	}
}
PK       ! U�hm  m  "  base/exceptions/data-exception.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Exceptions;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class Data_Exception extends \Exception {
	protected $custom_data = [
		'code' => '',
		'data' => [],
	];

	public function get_code() {
		return 'reset-http-error';
	}

	public function get_message() {
		return '501 Not Implemented';
	}

	public function get_data() {
		return [
			'status' => $this->get_http_error_code(), // 'status' is used by WP to pass the http error code.
		];
	}

	public function to_wp_error() {
		return new \WP_Error( $this->custom_data['code'], $this->message, $this->custom_data['data'] );
	}

	protected function get_http_error_code() {
		return 501; // 501 Not Implemented
	}

	protected function apply() {}

	public function __construct( $message = '', $code = '', $data = [] ) {
		$this->message = empty( $message ) ? $this->get_message() : $message;
		$this->custom_data['code'] = empty( $code ) ? $this->get_code() : $code;
		$this->custom_data['data'] = empty( $data ) ? $this->get_data() : $data;

		parent::__construct( $this->message, 0, null );

		$this->apply();
	}
}
PK       ! ��SJn  n    base/exceptions/error-500.phpnu �[���        <?php
namespace Elementor\Data\V2\Base\Exceptions;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class Error_500 extends Data_Exception {

	protected function get_http_error_code() {
		return 500;
	}

	public function get_code() {
		return 'internal-server-error';
	}

	public function get_message() {
		return 'Something went wrong';
	}
}
PK       ! ]�"��#  �#    manager.phpnu �[���        <?php
namespace Elementor\Data\V2;

use Elementor\Core\Base\Module as BaseModule;
use Elementor\Data\V2\Base\Processor;
use Elementor\Data\V2\Base\Controller;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * @method static \Elementor\Data\V2\Manager instance()
 */
class Manager extends BaseModule {

	const ROOT_NAMESPACE = 'elementor';

	const VERSION = '1';

	/**
	 * @var \WP_REST_Server
	 */
	private $server;

	/**
	 * @var boolean
	 */
	private $is_internal = false;

	/**
	 * @var array
	 */
	private $cache = [];

	/**
	 * Loaded controllers.
	 *
	 * @var \Elementor\Data\V2\Base\Controller[]
	 */
	public $controllers = [];

	/**
	 * Loaded command(s) format.
	 *
	 * @var string[]
	 */
	public $command_formats = [];

	public function get_name() {
		return 'data-manager-v2';
	}

	/**
	 * @return \Elementor\Data\V2\Base\Controller[]
	 */
	public function get_controllers() {
		return $this->controllers;
	}

	/**
	 * @param string $name
	 *
	 * @return \Elementor\Data\V2\Base\Controller|false
	 */
	public function get_controller( $name ) {
		if ( isset( $this->controllers[ $name ] ) ) {
			return $this->controllers[ $name ];
		}

		return false;
	}

	private function get_cache( $key ) {
		return self::get_items( $this->cache, $key );
	}

	private function set_cache( $key, $value ) {
		$this->cache[ $key ] = $value;
	}

	/**
	 * Register controller.
	 *
	 * @param \Elementor\Data\V2\Base\Controller $controller_instance
	 *
	 * @return \Elementor\Data\V2\Base\Controller
	 */
	public function register_controller( Controller $controller_instance ) {
		$this->controllers[ $controller_instance->get_name() ] = $controller_instance;

		return $controller_instance;
	}

	/**
	 * Register endpoint format.
	 *
	 * @param string $command
	 * @param string $format
	 *
	 */
	public function register_endpoint_format( $command, $format ) {
		$this->command_formats[ $command ] = untrailingslashit( $format );
	}

	/**
	 * Find controller instance.
	 *
	 * By given command name.
	 *
	 * @param string $command
	 *
	 * @return false|\Elementor\Data\V2\Base\Controller
	 */
	public function find_controller_instance( $command ) {
		$command_parts = explode( '/', $command );
		$assumed_command_parts = [];

		foreach ( $command_parts as $command_part ) {
			$assumed_command_parts [] = $command_part;

			foreach ( $this->controllers as $controller_name => $controller ) {
				$assumed_command = implode( '/', $assumed_command_parts );

				if ( $assumed_command === $controller_name ) {
					return $controller;
				}
			}
		}

		return false;
	}

	/**
	 * Command extract args.
	 *
	 * @param string $command
	 * @param array $args
	 *
	 * @return \stdClass
	 */
	public function command_extract_args( $command, $args = [] ) {
		$result = new \stdClass();
		$result->command = $command;
		$result->args = $args;

		if ( false !== strpos( $command, '?' ) ) {
			$command_parts = explode( '?', $command );
			$pure_command = $command_parts[0];
			$query_string = $command_parts[1];

			parse_str( $query_string, $temp );

			$result->command = untrailingslashit( $pure_command );
			$result->args = array_merge( $args, $temp );
		}

		return $result;
	}

	/**
	 * Command to endpoint.
	 *
	 * Format is required otherwise $command will returned.
	 *
	 * @param string $command
	 * @param string $format
	 * @param array  $args
	 *
	 * @return string endpoint
	 */
	public function command_to_endpoint( $command, $format, $args ) {
		$endpoint = $command;

		if ( $format ) {
			$formatted = $format;

			array_walk( $args, function ( $val, $key ) use ( &$formatted ) {
				$formatted = str_replace( '{' . $key . '}', $val, $formatted );
			} );

			// Remove remaining format if not requested via `$args`.
			if ( strstr( $formatted, '/{' ) ) {
				/**
				 * Example:
				 * $command = 'example/documents';
				 * $format = 'example/documents/{document_id}/elements/{element_id}';
				 * $formatted = 'example/documents/1618/elements/{element_id}';
				 * Result:
				 * $formatted = 'example/documents/1618/elements';
				 */
				$formatted = substr( $formatted, 0, strpos( $formatted, '/{' ) );
			}

			$endpoint = $formatted;
		}

		return $endpoint;
	}

	/**
	 * Run server.
	 *
	 * Init WordPress reset api.
	 *
	 * @return \WP_REST_Server
	 */
	public function run_server() {
		/**
		 * If run_server() called means, that rest api is simulated from the backend.
		 */
		$this->is_internal = true;

		if ( ! $this->server ) {
			// Remove all 'rest_api_init' actions.
			remove_all_actions( 'rest_api_init' );

			// Call custom reset api loader.
			do_action( 'elementor_rest_api_before_init' );

			$this->server = rest_get_server(); // Init API.
		}

		return $this->server;
	}

	/**
	 * Kill server.
	 *
	 * Free server and controllers.
	 */
	public function kill_server() {
		global $wp_rest_server;

		$this->controllers = [];
		$this->command_formats = [];
		$this->server = false;
		$this->is_internal = false;
		$this->cache = [];
		$wp_rest_server = false;
	}

	/**
	 * Run processor.
	 *
	 * @param \Elementor\Data\V2\Base\Processor $processor
	 * @param array $data
	 *
	 * @return mixed
	 */
	public function run_processor( $processor, $data ) {
		if ( call_user_func_array( [ $processor, 'get_conditions' ], $data ) ) {
			return call_user_func_array( [ $processor, 'apply' ], $data );
		}

		return null;
	}

	/**
	 * Run processors.
	 *
	 * Filter them by class.
	 *
	 * @param \Elementor\Data\V2\Base\Processor[] $processors
	 * @param string $filter_by_class
	 * @param array $data
	 *
	 * @return false|array
	 */
	public function run_processors( $processors, $filter_by_class, $data ) {
		foreach ( $processors as $processor ) {
			if ( $processor instanceof $filter_by_class ) {
				if ( Processor\Before::class === $filter_by_class ) {
					$this->run_processor( $processor, $data );
				} elseif ( Processor\After::class === $filter_by_class ) {
					$result = $this->run_processor( $processor, $data );
					if ( $result ) {
						$data[1] = $result;
					}
				} else {
					trigger_error( "Invalid processor filter: '\${ $filter_by_class }'" ); // phpcs:ignore
					break;
				}
			}
		}

		return isset( $data[1] ) ? $data[1] : false;
	}

	/**
	 * Run request.
	 *
	 * Simulate rest API from within the backend.
	 * Use args as query.
	 *
	 * @param string $endpoint
	 * @param array $args
	 * @param string $method
	 * @param string $namespace (optional)
	 * @param string $version (optional)
	 *
	 * @return \WP_REST_Response
	 */
	public function run_request( $endpoint, $args = [], $method = \WP_REST_Server::READABLE, $namespace = self::ROOT_NAMESPACE, $version = self::VERSION ) {
		$this->run_server();

		$endpoint = '/' . $namespace . '/v' . $version . '/' . trim( $endpoint, '/' );

		// Run reset api.
		$request = new \WP_REST_Request( $method, $endpoint );

		if ( 'GET' === $method ) {
			$request->set_query_params( $args );
		} else {
			$request->set_body_params( $args );
		}

		return rest_do_request( $request );
	}

	/**
	 * Run endpoint.
	 *
	 * Wrapper for `$this->run_request` return `$response->getData()` instead of `$response`.
	 *
	 * @param string $endpoint
	 * @param array $args
	 * @param string $method
	 *
	 * @return array
	 */
	public function run_endpoint( $endpoint, $args = [], $method = 'GET' ) {
		// The method become public since it used in `Elementor\Data\V2\Base\Endpoint\Index\AllChildren`.
		$response = $this->run_request( $endpoint, $args, $method );

		return $response->get_data();
	}

	/**
	 * Run ( simulated reset api ).
	 *
	 * Do:
	 * Init reset server.
	 * Run before processors.
	 * Run command as reset api endpoint from internal.
	 * Run after processors.
	 *
	 * @param string $command
	 * @param array  $args
	 * @param string $method
	 *
	 * @return array|false processed result
	 */
	public function run( $command, $args = [], $method = 'GET' ) {
		$key = crc32( $command . '-' . wp_json_encode( $args ) . '-' . $method );
		$cache = $this->get_cache( $key );

		if ( $cache ) {
			return $cache;
		}

		$this->run_server();

		$controller_instance = $this->find_controller_instance( $command );

		if ( ! $controller_instance ) {
			$this->set_cache( $key, [] );
			return [];
		}

		$extracted_command = $this->command_extract_args( $command, $args );
		$command = $extracted_command->command;
		$args = $extracted_command->args;

		$format = isset( $this->command_formats[ $command ] ) ? $this->command_formats[ $command ] : false;

		$command_processors = $controller_instance->get_processors( $command );

		$endpoint = $this->command_to_endpoint( $command, $format, $args );

		$this->run_processors( $command_processors, Processor\Before::class, [ $args ] );

		$response = $this->run_request( $endpoint, $args, $method );
		$result = $response->get_data();

		if ( $response->is_error() ) {
			$this->set_cache( $key, [] );
			return [];
		}

		$result = $this->run_processors( $command_processors, Processor\After::class, [ $args, $result ] );

		$this->set_cache( $key, $result );

		return $result;
	}

	public function is_internal() {
		return $this->is_internal;
	}
}
PK       ! C�8�L �L   Validator.phpnu �[���        <?php
/**
 * PEAR_PackageFile_v2, package.xml version 2.0, read/write version
 *
 * PHP versions 4 and 5
 *
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 1.4.0a8
 */
/**
 * Private validation class used by PEAR_PackageFile_v2 - do not use directly, its
 * sole purpose is to split up the PEAR/PackageFile/v2.php file to make it smaller
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    Release: 1.10.16
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since Release 1.4.0a8
 * @access private
 */
class PEAR_PackageFile_v2_Validator
{
    /**
     * @var array
     */
    var $_packageInfo;
    /**
     * @var PEAR_PackageFile_v2
     */
    var $_pf;
    /**
     * @var PEAR_ErrorStack
     */
    var $_stack;
    /**
     * @var int
     */
    var $_isValid = 0;
    /**
     * @var int
     */
    var $_filesValid = 0;
    /**
     * @var int
     */
    var $_curState = 0;
    /**
     * @param PEAR_PackageFile_v2
     * @param int
     */
    function validate(&$pf, $state = PEAR_VALIDATE_NORMAL)
    {
        $this->_pf = &$pf;
        $this->_curState = $state;
        $this->_packageInfo = $this->_pf->getArray();
        $this->_isValid = $this->_pf->_isValid;
        $this->_filesValid = $this->_pf->_filesValid;
        $this->_stack = &$pf->_stack;
        $this->_stack->getErrors(true);
        if (($this->_isValid & $state) == $state) {
            return true;
        }
        if (!isset($this->_packageInfo) || !is_array($this->_packageInfo)) {
            return false;
        }
        if (!isset($this->_packageInfo['attribs']['version']) ||
              ($this->_packageInfo['attribs']['version'] != '2.0' &&
               $this->_packageInfo['attribs']['version'] != '2.1')
        ) {
            $this->_noPackageVersion();
        }
        $structure =
        array(
            'name',
            'channel|uri',
            '*extends', // can't be multiple, but this works fine
            'summary',
            'description',
            '+lead', // these all need content checks
            '*developer',
            '*contributor',
            '*helper',
            'date',
            '*time',
            'version',
            'stability',
            'license->?uri->?filesource',
            'notes',
            'contents', //special validation needed
            '*compatible',
            'dependencies', //special validation needed
            '*usesrole',
            '*usestask', // reserve these for 1.4.0a1 to implement
                         // this will allow a package.xml to gracefully say it
                         // needs a certain package installed in order to implement a role or task
            '*providesextension',
            '*srcpackage|*srcuri',
            '+phprelease|+extsrcrelease|+extbinrelease|' .
                '+zendextsrcrelease|+zendextbinrelease|bundle', //special validation needed
            '*changelog',
        );
        $test = $this->_packageInfo;
        if (isset($test['dependencies']) &&
              isset($test['dependencies']['required']) &&
              isset($test['dependencies']['required']['pearinstaller']) &&
              isset($test['dependencies']['required']['pearinstaller']['min']) &&
              '1.10.16' != '@package' . '_version@' &&
              version_compare('1.10.16',
                $test['dependencies']['required']['pearinstaller']['min'], '<')
        ) {
            $this->_pearVersionTooLow($test['dependencies']['required']['pearinstaller']['min']);
            return false;
        }
        // ignore post-installation array fields
        if (array_key_exists('filelist', $test)) {
            unset($test['filelist']);
        }
        if (array_key_exists('_lastmodified', $test)) {
            unset($test['_lastmodified']);
        }
        if (array_key_exists('#binarypackage', $test)) {
            unset($test['#binarypackage']);
        }
        if (array_key_exists('old', $test)) {
            unset($test['old']);
        }
        if (array_key_exists('_lastversion', $test)) {
            unset($test['_lastversion']);
        }
        if (!$this->_stupidSchemaValidate($structure, $test, '<package>')) {
            return false;
        }
        if (empty($this->_packageInfo['name'])) {
            $this->_tagCannotBeEmpty('name');
        }
        $test = isset($this->_packageInfo['uri']) ? 'uri' :'channel';
        if (empty($this->_packageInfo[$test])) {
            $this->_tagCannotBeEmpty($test);
        }
        if (is_array($this->_packageInfo['license']) &&
              (!isset($this->_packageInfo['license']['_content']) ||
              empty($this->_packageInfo['license']['_content']))) {
            $this->_tagCannotBeEmpty('license');
        } elseif (empty($this->_packageInfo['license'])) {
            $this->_tagCannotBeEmpty('license');
        }
        if (empty($this->_packageInfo['summary'])) {
            $this->_tagCannotBeEmpty('summary');
        }
        if (empty($this->_packageInfo['description'])) {
            $this->_tagCannotBeEmpty('description');
        }
        if (empty($this->_packageInfo['date'])) {
            $this->_tagCannotBeEmpty('date');
        }
        if (empty($this->_packageInfo['notes'])) {
            $this->_tagCannotBeEmpty('notes');
        }
        if (isset($this->_packageInfo['time']) && empty($this->_packageInfo['time'])) {
            $this->_tagCannotBeEmpty('time');
        }
        if (isset($this->_packageInfo['dependencies'])) {
            $this->_validateDependencies();
        }
        if (isset($this->_packageInfo['compatible'])) {
            $this->_validateCompatible();
        }
        if (!isset($this->_packageInfo['bundle'])) {
            if (empty($this->_packageInfo['contents'])) {
                $this->_tagCannotBeEmpty('contents');
            }
            if (!isset($this->_packageInfo['contents']['dir'])) {
                $this->_filelistMustContainDir('contents');
                return false;
            }
            if (isset($this->_packageInfo['contents']['file'])) {
                $this->_filelistCannotContainFile('contents');
                return false;
            }
        }
        $this->_validateMaintainers();
        $this->_validateStabilityVersion();
        $fail = false;
        if (array_key_exists('usesrole', $this->_packageInfo)) {
            $roles = $this->_packageInfo['usesrole'];
            if (!is_array($roles) || !isset($roles[0])) {
                $roles = array($roles);
            }
            foreach ($roles as $role) {
                if (!isset($role['role'])) {
                    $this->_usesroletaskMustHaveRoleTask('usesrole', 'role');
                    $fail = true;
                } else {
                    if (!isset($role['channel'])) {
                        if (!isset($role['uri'])) {
                            $this->_usesroletaskMustHaveChannelOrUri($role['role'], 'usesrole');
                            $fail = true;
                        }
                    } elseif (!isset($role['package'])) {
                        $this->_usesroletaskMustHavePackage($role['role'], 'usesrole');
                        $fail = true;
                    }
                }
            }
        }
        if (array_key_exists('usestask', $this->_packageInfo)) {
            $roles = $this->_packageInfo['usestask'];
            if (!is_array($roles) || !isset($roles[0])) {
                $roles = array($roles);
            }
            foreach ($roles as $role) {
                if (!isset($role['task'])) {
                    $this->_usesroletaskMustHaveRoleTask('usestask', 'task');
                    $fail = true;
                } else {
                    if (!isset($role['channel'])) {
                        if (!isset($role['uri'])) {
                            $this->_usesroletaskMustHaveChannelOrUri($role['task'], 'usestask');
                            $fail = true;
                        }
                    } elseif (!isset($role['package'])) {
                        $this->_usesroletaskMustHavePackage($role['task'], 'usestask');
                        $fail = true;
                    }
                }
            }
        }

        if ($fail) {
            return false;
        }

        $list = $this->_packageInfo['contents'];
        if (isset($list['dir']) && is_array($list['dir']) && isset($list['dir'][0])) {
            $this->_multipleToplevelDirNotAllowed();
            return $this->_isValid = 0;
        }

        $this->_validateFilelist();
        $this->_validateRelease();
        if (!$this->_stack->hasErrors()) {
            $chan = $this->_pf->_registry->getChannel($this->_pf->getChannel(), true);
            if (PEAR::isError($chan)) {
                $this->_unknownChannel($this->_pf->getChannel());
            } else {
                $valpack = $chan->getValidationPackage();
                // for channel validator packages, always use the default PEAR validator.
                // otherwise, they can't be installed or packaged
                $validator = $chan->getValidationObject($this->_pf->getPackage());
                if (!$validator) {
                    $this->_stack->push(__FUNCTION__, 'error',
                        array('channel' => $chan->getName(),
                              'package' => $this->_pf->getPackage(),
                              'name'    => $valpack['_content'],
                              'version' => $valpack['attribs']['version']),
                        'package "%channel%/%package%" cannot be properly validated without ' .
                        'validation package "%channel%/%name%-%version%"');
                    return $this->_isValid = 0;
                }
                $validator->setPackageFile($this->_pf);
                $validator->validate($state);
                $failures = $validator->getFailures();
                foreach ($failures['errors'] as $error) {
                    $this->_stack->push(__FUNCTION__, 'error', $error,
                        'Channel validator error: field "%field%" - %reason%');
                }
                foreach ($failures['warnings'] as $warning) {
                    $this->_stack->push(__FUNCTION__, 'warning', $warning,
                        'Channel validator warning: field "%field%" - %reason%');
                }
            }
        }

        $this->_pf->_isValid = $this->_isValid = !$this->_stack->hasErrors('error');
        if ($this->_isValid && $state == PEAR_VALIDATE_PACKAGING && !$this->_filesValid) {
            if ($this->_pf->getPackageType() == 'bundle') {
                if ($this->_analyzeBundledPackages()) {
                    $this->_filesValid = $this->_pf->_filesValid = true;
                } else {
                    $this->_pf->_isValid = $this->_isValid = 0;
                }
            } else {
                if (!$this->_analyzePhpFiles()) {
                    $this->_pf->_isValid = $this->_isValid = 0;
                } else {
                    $this->_filesValid = $this->_pf->_filesValid = true;
                }
            }
        }

        if ($this->_isValid) {
            return $this->_pf->_isValid = $this->_isValid = $state;
        }

        return $this->_pf->_isValid = $this->_isValid = 0;
    }

    function _stupidSchemaValidate($structure, $xml, $root)
    {
        if (!is_array($xml)) {
            $xml = array();
        }
        $keys = array_keys($xml);
        reset($keys);
        $key = current($keys);
        while ($key == 'attribs' || $key == '_contents') {
            $key = next($keys);
        }
        $unfoundtags = $optionaltags = array();
        $ret = true;
        $mismatch = false;
        foreach ($structure as $struc) {
            if ($key) {
                $tag = $xml[$key];
            }
            $test = $this->_processStructure($struc);
            if (isset($test['choices'])) {
                $loose = true;
                foreach ($test['choices'] as $choice) {
                    if ($key == $choice['tag']) {
                        $key = next($keys);
                        while ($key == 'attribs' || $key == '_contents') {
                            $key = next($keys);
                        }
                        $unfoundtags = $optionaltags = array();
                        $mismatch = false;
                        if ($key && $key != $choice['tag'] && isset($choice['multiple'])) {
                            $unfoundtags[] = $choice['tag'];
                            $optionaltags[] = $choice['tag'];
                            if ($key) {
                                $mismatch = true;
                            }
                        }
                        $ret &= $this->_processAttribs($choice, $tag, $root);
                        continue 2;
                    } else {
                        $unfoundtags[] = $choice['tag'];
                        $mismatch = true;
                    }
                    if (!isset($choice['multiple']) || $choice['multiple'] != '*') {
                        $loose = false;
                    } else {
                        $optionaltags[] = $choice['tag'];
                    }
                }
                if (!$loose) {
                    $this->_invalidTagOrder($unfoundtags, $key, $root);
                    return false;
                }
            } else {
                if ($key != $test['tag']) {
                    if (isset($test['multiple']) && $test['multiple'] != '*') {
                        $unfoundtags[] = $test['tag'];
                        $this->_invalidTagOrder($unfoundtags, $key, $root);
                        return false;
                    } else {
                        if ($key) {
                            $mismatch = true;
                        }
                        $unfoundtags[] = $test['tag'];
                        $optionaltags[] = $test['tag'];
                    }
                    if (!isset($test['multiple'])) {
                        $this->_invalidTagOrder($unfoundtags, $key, $root);
                        return false;
                    }
                    continue;
                } else {
                    $unfoundtags = $optionaltags = array();
                    $mismatch = false;
                }
                $key = next($keys);
                while ($key == 'attribs' || $key == '_contents') {
                    $key = next($keys);
                }
                if ($key && $key != $test['tag'] && isset($test['multiple'])) {
                    $unfoundtags[] = $test['tag'];
                    $optionaltags[] = $test['tag'];
                    $mismatch = true;
                }
                $ret &= $this->_processAttribs($test, $tag, $root);
                continue;
            }
        }
        if (!$mismatch && count($optionaltags)) {
            // don't error out on any optional tags
            $unfoundtags = array_diff($unfoundtags, $optionaltags);
        }
        if (count($unfoundtags)) {
            $this->_invalidTagOrder($unfoundtags, $key, $root);
        } elseif ($key) {
            // unknown tags
            $this->_invalidTagOrder('*no tags allowed here*', $key, $root);
            while ($key = next($keys)) {
                $this->_invalidTagOrder('*no tags allowed here*', $key, $root);
            }
        }
        return $ret;
    }

    function _processAttribs($choice, $tag, $context)
    {
        if (isset($choice['attribs'])) {
            if (!is_array($tag)) {
                $tag = array($tag);
            }
            $tags = $tag;
            if (!isset($tags[0])) {
                $tags = array($tags);
            }
            $ret = true;
            foreach ($tags as $i => $tag) {
                if (!is_array($tag) || !isset($tag['attribs'])) {
                    foreach ($choice['attribs'] as $attrib) {
                        if ($attrib[0] != '?') {
                            $ret &= $this->_tagHasNoAttribs($choice['tag'],
                                $context);
                            continue 2;
                        }
                    }
                }
                foreach ($choice['attribs'] as $attrib) {
                    if ($attrib[0] != '?') {
                        if (!isset($tag['attribs'][$attrib])) {
                            $ret &= $this->_tagMissingAttribute($choice['tag'],
                                $attrib, $context);
                        }
                    }
                }
            }
            return $ret;
        }
        return true;
    }

    function _processStructure($key)
    {
        $ret = array();
        if (count($pieces = explode('|', $key)) > 1) {
            $ret['choices'] = array();
            foreach ($pieces as $piece) {
                $ret['choices'][] = $this->_processStructure($piece);
            }
            return $ret;
        }
        $multi = $key[0];
        if ($multi == '+' || $multi == '*') {
            $ret['multiple'] = $key[0];
            $key = substr($key, 1);
        }
        if (count($attrs = explode('->', $key)) > 1) {
            $ret['tag'] = array_shift($attrs);
            $ret['attribs'] = $attrs;
        } else {
            $ret['tag'] = $key;
        }
        return $ret;
    }

    function _validateStabilityVersion()
    {
        $structure = array('release', 'api');
        $a = $this->_stupidSchemaValidate($structure, $this->_packageInfo['version'], '<version>');
        $a &= $this->_stupidSchemaValidate($structure, $this->_packageInfo['stability'], '<stability>');
        if ($a) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $this->_packageInfo['version']['release'])) {
                $this->_invalidVersion('release', $this->_packageInfo['version']['release']);
            }
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $this->_packageInfo['version']['api'])) {
                $this->_invalidVersion('api', $this->_packageInfo['version']['api']);
            }
            if (!in_array($this->_packageInfo['stability']['release'],
                  array('snapshot', 'devel', 'alpha', 'beta', 'stable'))) {
                $this->_invalidState('release', $this->_packageInfo['stability']['release']);
            }
            if (!in_array($this->_packageInfo['stability']['api'],
                  array('devel', 'alpha', 'beta', 'stable'))) {
                $this->_invalidState('api', $this->_packageInfo['stability']['api']);
            }
        }
    }

    function _validateMaintainers()
    {
        $structure =
            array(
                'name',
                'user',
                'email',
                'active',
            );
        foreach (array('lead', 'developer', 'contributor', 'helper') as $type) {
            if (!isset($this->_packageInfo[$type])) {
                continue;
            }
            if (isset($this->_packageInfo[$type][0])) {
                foreach ($this->_packageInfo[$type] as $lead) {
                    $this->_stupidSchemaValidate($structure, $lead, '<' . $type . '>');
                }
            } else {
                $this->_stupidSchemaValidate($structure, $this->_packageInfo[$type],
                    '<' . $type . '>');
            }
        }
    }

    function _validatePhpDep($dep, $installcondition = false)
    {
        $structure = array(
            'min',
            '*max',
            '*exclude',
        );
        $type = $installcondition ? '<installcondition><php>' : '<dependencies><required><php>';
        $this->_stupidSchemaValidate($structure, $dep, $type);
        if (isset($dep['min'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?(?:-[a-zA-Z0-9]+)?\\z/',
                  $dep['min'])) {
                $this->_invalidVersion($type . '<min>', $dep['min']);
            }
        }
        if (isset($dep['max'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?(?:-[a-zA-Z0-9]+)?\\z/',
                  $dep['max'])) {
                $this->_invalidVersion($type . '<max>', $dep['max']);
            }
        }
        if (isset($dep['exclude'])) {
            if (!is_array($dep['exclude'])) {
                $dep['exclude'] = array($dep['exclude']);
            }
            foreach ($dep['exclude'] as $exclude) {
                if (!preg_match(
                     '/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?(?:-[a-zA-Z0-9]+)?\\z/',
                     $exclude)) {
                    $this->_invalidVersion($type . '<exclude>', $exclude);
                }
            }
        }
    }

    function _validatePearinstallerDep($dep)
    {
        $structure = array(
            'min',
            '*max',
            '*recommended',
            '*exclude',
        );
        $this->_stupidSchemaValidate($structure, $dep, '<dependencies><required><pearinstaller>');
        if (isset($dep['min'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['min'])) {
                $this->_invalidVersion('<dependencies><required><pearinstaller><min>',
                    $dep['min']);
            }
        }
        if (isset($dep['max'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['max'])) {
                $this->_invalidVersion('<dependencies><required><pearinstaller><max>',
                    $dep['max']);
            }
        }
        if (isset($dep['recommended'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['recommended'])) {
                $this->_invalidVersion('<dependencies><required><pearinstaller><recommended>',
                    $dep['recommended']);
            }
        }
        if (isset($dep['exclude'])) {
            if (!is_array($dep['exclude'])) {
                $dep['exclude'] = array($dep['exclude']);
            }
            foreach ($dep['exclude'] as $exclude) {
                if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                      $exclude)) {
                    $this->_invalidVersion('<dependencies><required><pearinstaller><exclude>',
                        $exclude);
                }
            }
        }
    }

    function _validatePackageDep($dep, $group, $type = '<package>')
    {
        if (isset($dep['uri'])) {
            if (isset($dep['conflicts'])) {
                $structure = array(
                    'name',
                    'uri',
                    'conflicts',
                    '*providesextension',
                );
            } else {
                $structure = array(
                    'name',
                    'uri',
                    '*providesextension',
                );
            }
        } else {
            if (isset($dep['conflicts'])) {
                $structure = array(
                    'name',
                    'channel',
                    '*min',
                    '*max',
                    '*exclude',
                    'conflicts',
                    '*providesextension',
                );
            } else {
                $structure = array(
                    'name',
                    'channel',
                    '*min',
                    '*max',
                    '*recommended',
                    '*exclude',
                    '*nodefault',
                    '*providesextension',
                );
            }
        }
        if (isset($dep['name'])) {
            $type .= '<name>' . $dep['name'] . '</name>';
        }
        $this->_stupidSchemaValidate($structure, $dep, '<dependencies>' . $group . $type);
        if (isset($dep['uri']) && (isset($dep['min']) || isset($dep['max']) ||
              isset($dep['recommended']) || isset($dep['exclude']))) {
            $this->_uriDepsCannotHaveVersioning('<dependencies>' . $group . $type);
        }
        if (isset($dep['channel']) && strtolower($dep['channel']) == '__uri') {
            $this->_DepchannelCannotBeUri('<dependencies>' . $group . $type);
        }
        if (isset($dep['min'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['min'])) {
                $this->_invalidVersion('<dependencies>' . $group . $type . '<min>', $dep['min']);
            }
        }
        if (isset($dep['max'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['max'])) {
                $this->_invalidVersion('<dependencies>' . $group . $type . '<max>', $dep['max']);
            }
        }
        if (isset($dep['recommended'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['recommended'])) {
                $this->_invalidVersion('<dependencies>' . $group . $type . '<recommended>',
                    $dep['recommended']);
            }
        }
        if (isset($dep['exclude'])) {
            if (!is_array($dep['exclude'])) {
                $dep['exclude'] = array($dep['exclude']);
            }
            foreach ($dep['exclude'] as $exclude) {
                if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                      $exclude)) {
                    $this->_invalidVersion('<dependencies>' . $group . $type . '<exclude>',
                        $exclude);
                }
            }
        }
    }

    function _validateSubpackageDep($dep, $group)
    {
        $this->_validatePackageDep($dep, $group, '<subpackage>');
        if (isset($dep['providesextension'])) {
            $this->_subpackageCannotProvideExtension(isset($dep['name']) ? $dep['name'] : '');
        }
        if (isset($dep['conflicts'])) {
            $this->_subpackagesCannotConflict(isset($dep['name']) ? $dep['name'] : '');
        }
    }

    function _validateExtensionDep($dep, $group = false, $installcondition = false)
    {
        if (isset($dep['conflicts'])) {
            $structure = array(
                'name',
                '*min',
                '*max',
                '*exclude',
                'conflicts',
            );
        } else {
            $structure = array(
                'name',
                '*min',
                '*max',
                '*recommended',
                '*exclude',
            );
        }
        if ($installcondition) {
            $type = '<installcondition><extension>';
        } else {
            $type = '<dependencies>' . $group . '<extension>';
        }
        if (isset($dep['name'])) {
            $type .= '<name>' . $dep['name'] . '</name>';
        }
        $this->_stupidSchemaValidate($structure, $dep, $type);
        if (isset($dep['min'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['min'])) {
                $this->_invalidVersion(substr($type, 1) . '<min', $dep['min']);
            }
        }
        if (isset($dep['max'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['max'])) {
                $this->_invalidVersion(substr($type, 1) . '<max', $dep['max']);
            }
        }
        if (isset($dep['recommended'])) {
            if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                  $dep['recommended'])) {
                $this->_invalidVersion(substr($type, 1) . '<recommended', $dep['recommended']);
            }
        }
        if (isset($dep['exclude'])) {
            if (!is_array($dep['exclude'])) {
                $dep['exclude'] = array($dep['exclude']);
            }
            foreach ($dep['exclude'] as $exclude) {
                if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                      $exclude)) {
                    $this->_invalidVersion(substr($type, 1) . '<exclude', $exclude);
                }
            }
        }
    }

    function _validateOsDep($dep, $installcondition = false)
    {
        $structure = array(
            'name',
            '*conflicts',
        );
        $type = $installcondition ? '<installcondition><os>' : '<dependencies><required><os>';
        if ($this->_stupidSchemaValidate($structure, $dep, $type)) {
            if ($dep['name'] == '*') {
                if (array_key_exists('conflicts', $dep)) {
                    $this->_cannotConflictWithAllOs($type);
                }
            }
        }
    }

    function _validateArchDep($dep, $installcondition = false)
    {
        $structure = array(
            'pattern',
            '*conflicts',
        );
        $type = $installcondition ? '<installcondition><arch>' : '<dependencies><required><arch>';
        $this->_stupidSchemaValidate($structure, $dep, $type);
    }

    function _validateInstallConditions($cond, $release)
    {
        $structure = array(
            '*php',
            '*extension',
            '*os',
            '*arch',
        );
        if (!$this->_stupidSchemaValidate($structure,
              $cond, $release)) {
            return false;
        }
        foreach (array('php', 'extension', 'os', 'arch') as $type) {
            if (isset($cond[$type])) {
                $iter = $cond[$type];
                if (!is_array($iter) || !isset($iter[0])) {
                    $iter = array($iter);
                }
                foreach ($iter as $package) {
                    if ($type == 'extension') {
                        $this->{"_validate{$type}Dep"}($package, false, true);
                    } else {
                        $this->{"_validate{$type}Dep"}($package, true);
                    }
                }
            }
        }
    }

    function _validateDependencies()
    {
        $structure = array(
            'required',
            '*optional',
            '*group->name->hint'
        );
        if (!$this->_stupidSchemaValidate($structure,
              $this->_packageInfo['dependencies'], '<dependencies>')) {
            return false;
        }
        foreach (array('required', 'optional') as $simpledep) {
            if (isset($this->_packageInfo['dependencies'][$simpledep])) {
                if ($simpledep == 'optional') {
                    $structure = array(
                        '*package',
                        '*subpackage',
                        '*extension',
                    );
                } else {
                    $structure = array(
                        'php',
                        'pearinstaller',
                        '*package',
                        '*subpackage',
                        '*extension',
                        '*os',
                        '*arch',
                    );
                }
                if ($this->_stupidSchemaValidate($structure,
                      $this->_packageInfo['dependencies'][$simpledep],
                      "<dependencies><$simpledep>")) {
                    foreach (array('package', 'subpackage', 'extension') as $type) {
                        if (isset($this->_packageInfo['dependencies'][$simpledep][$type])) {
                            $iter = $this->_packageInfo['dependencies'][$simpledep][$type];
                            if (!isset($iter[0])) {
                                $iter = array($iter);
                            }
                            foreach ($iter as $package) {
                                if ($type != 'extension') {
                                    if (isset($package['uri'])) {
                                        if (isset($package['channel'])) {
                                            $this->_UrlOrChannel($type,
                                                $package['name']);
                                        }
                                    } else {
                                        if (!isset($package['channel'])) {
                                            $this->_NoChannel($type, $package['name']);
                                        }
                                    }
                                }
                                $this->{"_validate{$type}Dep"}($package, "<$simpledep>");
                            }
                        }
                    }
                    if ($simpledep == 'optional') {
                        continue;
                    }
                    foreach (array('php', 'pearinstaller', 'os', 'arch') as $type) {
                        if (isset($this->_packageInfo['dependencies'][$simpledep][$type])) {
                            $iter = $this->_packageInfo['dependencies'][$simpledep][$type];
                            if (!isset($iter[0])) {
                                $iter = array($iter);
                            }
                            foreach ($iter as $package) {
                                $this->{"_validate{$type}Dep"}($package);
                            }
                        }
                    }
                }
            }
        }
        if (isset($this->_packageInfo['dependencies']['group'])) {
            $groups = $this->_packageInfo['dependencies']['group'];
            if (!isset($groups[0])) {
                $groups = array($groups);
            }
            $structure = array(
                '*package',
                '*subpackage',
                '*extension',
            );
            foreach ($groups as $group) {
                if ($this->_stupidSchemaValidate($structure, $group, '<group>')) {
                    if (!PEAR_Validate::validGroupName($group['attribs']['name'])) {
                        $this->_invalidDepGroupName($group['attribs']['name']);
                    }
                    foreach (array('package', 'subpackage', 'extension') as $type) {
                        if (isset($group[$type])) {
                            $iter = $group[$type];
                            if (!isset($iter[0])) {
                                $iter = array($iter);
                            }
                            foreach ($iter as $package) {
                                if ($type != 'extension') {
                                    if (isset($package['uri'])) {
                                        if (isset($package['channel'])) {
                                            $this->_UrlOrChannelGroup($type,
                                                $package['name'],
                                                $group['name']);
                                        }
                                    } else {
                                        if (!isset($package['channel'])) {
                                            $this->_NoChannelGroup($type,
                                                $package['name'],
                                                $group['name']);
                                        }
                                    }
                                }
                                $this->{"_validate{$type}Dep"}($package, '<group name="' .
                                    $group['attribs']['name'] . '">');
                            }
                        }
                    }
                }
            }
        }
    }

    function _validateCompatible()
    {
        $compat = $this->_packageInfo['compatible'];
        if (!isset($compat[0])) {
            $compat = array($compat);
        }
        $required = array('name', 'channel', 'min', 'max', '*exclude');
        foreach ($compat as $package) {
            $type = '<compatible>';
            if (is_array($package) && array_key_exists('name', $package)) {
                $type .= '<name>' . $package['name'] . '</name>';
            }
            $this->_stupidSchemaValidate($required, $package, $type);
            if (is_array($package) && array_key_exists('min', $package)) {
                if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                      $package['min'])) {
                    $this->_invalidVersion(substr($type, 1) . '<min', $package['min']);
                }
            }
            if (is_array($package) && array_key_exists('max', $package)) {
                if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                      $package['max'])) {
                    $this->_invalidVersion(substr($type, 1) . '<max', $package['max']);
                }
            }
            if (is_array($package) && array_key_exists('exclude', $package)) {
                if (!is_array($package['exclude'])) {
                    $package['exclude'] = array($package['exclude']);
                }
                foreach ($package['exclude'] as $exclude) {
                    if (!preg_match('/^\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?\\z/',
                          $exclude)) {
                        $this->_invalidVersion(substr($type, 1) . '<exclude', $exclude);
                    }
                }
            }
        }
    }

    function _validateBundle($list)
    {
        if (!is_array($list) || !isset($list['bundledpackage'])) {
            return $this->_NoBundledPackages();
        }
        if (!is_array($list['bundledpackage']) || !isset($list['bundledpackage'][0])) {
            return $this->_AtLeast2BundledPackages();
        }
        foreach ($list['bundledpackage'] as $package) {
            if (!is_string($package)) {
                $this->_bundledPackagesMustBeFilename();
            }
        }
    }

    function _validateFilelist($list = false, $allowignore = false, $dirs = '')
    {
        $iscontents = false;
        if (!$list) {
            $iscontents = true;
            $list = $this->_packageInfo['contents'];
            if (isset($this->_packageInfo['bundle'])) {
                return $this->_validateBundle($list);
            }
        }
        if ($allowignore) {
            $struc = array(
                '*install->name->as',
                '*ignore->name'
            );
        } else {
            $struc = array(
                '*dir->name->?baseinstalldir',
                '*file->name->role->?baseinstalldir->?md5sum'
            );
            if (isset($list['dir']) && isset($list['file'])) {
                // stave off validation errors without requiring a set order.
                $_old = $list;
                if (isset($list['attribs'])) {
                    $list = array('attribs' => $_old['attribs']);
                }
                $list['dir'] = $_old['dir'];
                $list['file'] = $_old['file'];
            }
        }
        if (!isset($list['attribs']) || !isset($list['attribs']['name'])) {
            $unknown = $allowignore ? '<filelist>' : '<dir name="*unknown*">';
            $dirname = $iscontents ? '<contents>' : $unknown;
        } else {
            $dirname = '<dir name="' . $list['attribs']['name'] . '">';
            if (preg_match('~/\.\.?(/|\\z)|^\.\.?/~',
                          str_replace('\\', '/', $list['attribs']['name']))) {
                // file contains .. parent directory or . cur directory
                $this->_invalidDirName($list['attribs']['name']);
            }
        }
        $res = $this->_stupidSchemaValidate($struc, $list, $dirname);
        if ($allowignore && $res) {
            $ignored_or_installed = array();
            $this->_pf->getFilelist();
            $fcontents = $this->_pf->getContents();
            $filelist = array();
            if (!isset($fcontents['dir']['file'][0])) {
                $fcontents['dir']['file'] = array($fcontents['dir']['file']);
            }
            foreach ($fcontents['dir']['file'] as $file) {
                $filelist[$file['attribs']['name']] = true;
            }
            if (isset($list['install'])) {
                if (!isset($list['install'][0])) {
                    $list['install'] = array($list['install']);
                }
                foreach ($list['install'] as $file) {
                    if (!isset($filelist[$file['attribs']['name']])) {
                        $this->_notInContents($file['attribs']['name'], 'install');
                        continue;
                    }
                    if (array_key_exists($file['attribs']['name'], $ignored_or_installed)) {
                        $this->_multipleInstallAs($file['attribs']['name']);
                    }
                    if (!isset($ignored_or_installed[$file['attribs']['name']])) {
                        $ignored_or_installed[$file['attribs']['name']] = array();
                    }
                    $ignored_or_installed[$file['attribs']['name']][] = 1;
                    if (preg_match('~/\.\.?(/|\\z)|^\.\.?/~',
                                  str_replace('\\', '/', $file['attribs']['as']))) {
                        // file contains .. parent directory or . cur directory references
                        $this->_invalidFileInstallAs($file['attribs']['name'],
                            $file['attribs']['as']);
                    }
                }
            }
            if (isset($list['ignore'])) {
                if (!isset($list['ignore'][0])) {
                    $list['ignore'] = array($list['ignore']);
                }
                foreach ($list['ignore'] as $file) {
                    if (!isset($filelist[$file['attribs']['name']])) {
                        $this->_notInContents($file['attribs']['name'], 'ignore');
                        continue;
                    }
                    if (array_key_exists($file['attribs']['name'], $ignored_or_installed)) {
                        $this->_ignoreAndInstallAs($file['attribs']['name']);
                    }
                }
            }
        }
        if (!$allowignore && isset($list['file'])) {
            if (is_string($list['file'])) {
                $this->_oldStyleFileNotAllowed();
                return false;
            }
            if (!isset($list['file'][0])) {
                // single file
                $list['file'] = array($list['file']);
            }
            foreach ($list['file'] as $i => $file)
            {
                if (isset($file['attribs']) && isset($file['attribs']['name'])) {
                    if ($file['attribs']['name'][0] == '.' &&
                          $file['attribs']['name'][1] == '/') {
                        // name is something like "./doc/whatever.txt"
                        $this->_invalidFileName($file['attribs']['name'], $dirname);
                    }
                    if (preg_match('~/\.\.?(/|\\z)|^\.\.?/~',
                                  str_replace('\\', '/', $file['attribs']['name']))) {
                        // file contains .. parent directory or . cur directory
                        $this->_invalidFileName($file['attribs']['name'], $dirname);
                    }
                }
                if (isset($file['attribs']) && isset($file['attribs']['role'])) {
                    if (!$this->_validateRole($file['attribs']['role'])) {
                        if (isset($this->_packageInfo['usesrole'])) {
                            $roles = $this->_packageInfo['usesrole'];
                            if (!isset($roles[0])) {
                                $roles = array($roles);
                            }
                            foreach ($roles as $role) {
                                if ($role['role'] = $file['attribs']['role']) {
                                    $msg = 'This package contains role "%role%" and requires ' .
                                        'package "%package%" to be used';
                                    if (isset($role['uri'])) {
                                        $params = array('role' => $role['role'],
                                            'package' => $role['uri']);
                                    } else {
                                        $params = array('role' => $role['role'],
                                            'package' => $this->_pf->_registry->
                                            parsedPackageNameToString(array('package' =>
                                                $role['package'], 'channel' => $role['channel']),
                                                true));
                                    }
                                    $this->_stack->push('_mustInstallRole', 'error', $params, $msg);
                                }
                            }
                        }
                        $this->_invalidFileRole($file['attribs']['name'],
                            $dirname, $file['attribs']['role']);
                    }
                }
                if (!isset($file['attribs'])) {
                    continue;
                }
                $save = $file['attribs'];
                if ($dirs) {
                    $save['name'] = $dirs . '/' . $save['name'];
                }
                unset($file['attribs']);
                if (count($file) && $this->_curState != PEAR_VALIDATE_DOWNLOADING) { // has tasks
                    foreach ($file as $task => $value) {
                        if ($tagClass = $this->_pf->getTask($task)) {
                            if (!is_array($value) || !isset($value[0])) {
                                $value = array($value);
                            }
                            foreach ($value as $v) {
                                $ret = call_user_func(array($tagClass, 'validateXml'),
                                    $this->_pf, $v, $this->_pf->_config, $save);
                                if (is_array($ret)) {
                                    $this->_invalidTask($task, $ret, isset($save['name']) ?
                                        $save['name'] : '');
                                }
                            }
                        } else {
                            if (isset($this->_packageInfo['usestask'])) {
                                $roles = $this->_packageInfo['usestask'];
                                if (!isset($roles[0])) {
                                    $roles = array($roles);
                                }
                                foreach ($roles as $role) {
                                    if ($role['task'] = $task) {
                                        $msg = 'This package contains task "%task%" and requires ' .
                                            'package "%package%" to be used';
                                        if (isset($role['uri'])) {
                                            $params = array('task' => $role['task'],
                                                'package' => $role['uri']);
                                        } else {
                                            $params = array('task' => $role['task'],
                                                'package' => $this->_pf->_registry->
                                                parsedPackageNameToString(array('package' =>
                                                    $role['package'], 'channel' => $role['channel']),
                                                    true));
                                        }
                                        $this->_stack->push('_mustInstallTask', 'error',
                                            $params, $msg);
                                    }
                                }
                            }
                            $this->_unknownTask($task, $save['name']);
                        }
                    }
                }
            }
        }
        if (isset($list['ignore'])) {
            if (!$allowignore) {
                $this->_ignoreNotAllowed('ignore');
            }
        }
        if (isset($list['install'])) {
            if (!$allowignore) {
                $this->_ignoreNotAllowed('install');
            }
        }
        if (isset($list['file'])) {
            if ($allowignore) {
                $this->_fileNotAllowed('file');
            }
        }
        if (isset($list['dir'])) {
            if ($allowignore) {
                $this->_fileNotAllowed('dir');
            } else {
                if (!isset($list['dir'][0])) {
                    $list['dir'] = array($list['dir']);
                }
                foreach ($list['dir'] as $dir) {
                    if (isset($dir['attribs']) && isset($dir['attribs']['name'])) {
                        if ($dir['attribs']['name'] == '/' ||
                              !isset($this->_packageInfo['contents']['dir']['dir'])) {
                            // always use nothing if the filelist has already been flattened
                            $newdirs = '';
                        } elseif ($dirs == '') {
                            $newdirs = $dir['attribs']['name'];
                        } else {
                            $newdirs = $dirs . '/' . $dir['attribs']['name'];
                        }
                    } else {
                        $newdirs = $dirs;
                    }
                    $this->_validateFilelist($dir, $allowignore, $newdirs);
                }
            }
        }
    }

    function _validateRelease()
    {
        if (isset($this->_packageInfo['phprelease'])) {
            $release = 'phprelease';
            if (isset($this->_packageInfo['providesextension'])) {
                $this->_cannotProvideExtension($release);
            }
            if (isset($this->_packageInfo['srcpackage']) || isset($this->_packageInfo['srcuri'])) {
                $this->_cannotHaveSrcpackage($release);
            }
            $releases = $this->_packageInfo['phprelease'];
            if (!is_array($releases)) {
                return true;
            }
            if (!isset($releases[0])) {
                $releases = array($releases);
            }
            foreach ($releases as $rel) {
                $this->_stupidSchemaValidate(array(
                    '*installconditions',
                    '*filelist',
                ), $rel, '<phprelease>');
            }
        }
        foreach (array('', 'zend') as $prefix) {
            $releasetype = $prefix . 'extsrcrelease';
            if (isset($this->_packageInfo[$releasetype])) {
                $release = $releasetype;
                if (!isset($this->_packageInfo['providesextension'])) {
                    $this->_mustProvideExtension($release);
                }
                if (isset($this->_packageInfo['srcpackage']) || isset($this->_packageInfo['srcuri'])) {
                    $this->_cannotHaveSrcpackage($release);
                }
                $releases = $this->_packageInfo[$releasetype];
                if (!is_array($releases)) {
                    return true;
                }
                if (!isset($releases[0])) {
                    $releases = array($releases);
                }
                foreach ($releases as $rel) {
                    $this->_stupidSchemaValidate(array(
                        '*installconditions',
                        '*configureoption->name->prompt->?default',
                        '*binarypackage',
                        '*filelist',
                    ), $rel, '<' . $releasetype . '>');
                    if (isset($rel['binarypackage'])) {
                        if (!is_array($rel['binarypackage']) || !isset($rel['binarypackage'][0])) {
                            $rel['binarypackage'] = array($rel['binarypackage']);
                        }
                        foreach ($rel['binarypackage'] as $bin) {
                            if (!is_string($bin)) {
                                $this->_binaryPackageMustBePackagename();
                            }
                        }
                    }
                }
            }
            $releasetype = 'extbinrelease';
            if (isset($this->_packageInfo[$releasetype])) {
                $release = $releasetype;
                if (!isset($this->_packageInfo['providesextension'])) {
                    $this->_mustProvideExtension($release);
                }
                if (isset($this->_packageInfo['channel']) &&
                      !isset($this->_packageInfo['srcpackage'])) {
                    $this->_mustSrcPackage($release);
                }
                if (isset($this->_packageInfo['uri']) && !isset($this->_packageInfo['srcuri'])) {
                    $this->_mustSrcuri($release);
                }
                $releases = $this->_packageInfo[$releasetype];
                if (!is_array($releases)) {
                    return true;
                }
                if (!isset($releases[0])) {
                    $releases = array($releases);
                }
                foreach ($releases as $rel) {
                    $this->_stupidSchemaValidate(array(
                        '*installconditions',
                        '*filelist',
                    ), $rel, '<' . $releasetype . '>');
                }
            }
        }
        if (isset($this->_packageInfo['bundle'])) {
            $release = 'bundle';
            if (isset($this->_packageInfo['providesextension'])) {
                $this->_cannotProvideExtension($release);
            }
            if (isset($this->_packageInfo['srcpackage']) || isset($this->_packageInfo['srcuri'])) {
                $this->_cannotHaveSrcpackage($release);
            }
            $releases = $this->_packageInfo['bundle'];
            if (!is_array($releases) || !isset($releases[0])) {
                $releases = array($releases);
            }
            foreach ($releases as $rel) {
                $this->_stupidSchemaValidate(array(
                    '*installconditions',
                    '*filelist',
                ), $rel, '<bundle>');
            }
        }
        foreach ($releases as $rel) {
            if (is_array($rel) && array_key_exists('installconditions', $rel)) {
                $this->_validateInstallConditions($rel['installconditions'],
                    "<$release><installconditions>");
            }
            if (is_array($rel) && array_key_exists('filelist', $rel)) {
                if ($rel['filelist']) {

                    $this->_validateFilelist($rel['filelist'], true);
                }
            }
        }
    }

    /**
     * This is here to allow role extension through plugins
     * @param string
     */
    function _validateRole($role)
    {
        return in_array($role, PEAR_Installer_Role::getValidRoles($this->_pf->getPackageType()));
    }

    function _pearVersionTooLow($version)
    {
        $this->_stack->push(__FUNCTION__, 'error',
            array('version' => $version),
            'This package.xml requires PEAR version %version% to parse properly, we are ' .
            'version 1.10.16');
    }

    function _invalidTagOrder($oktags, $actual, $root)
    {
        $this->_stack->push(__FUNCTION__, 'error',
            array('oktags' => $oktags, 'actual' => $actual, 'root' => $root),
            'Invalid tag order in %root%, found <%actual%> expected one of "%oktags%"');
    }

    function _ignoreNotAllowed($type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type),
            '<%type%> is not allowed inside global <contents>, only inside ' .
            '<phprelease>/<extbinrelease>/<zendextbinrelease>, use <dir> and <file> only');
    }

    function _fileNotAllowed($type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type),
            '<%type%> is not allowed inside release <filelist>, only inside ' .
            '<contents>, use <ignore> and <install> only');
    }

    function _oldStyleFileNotAllowed()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            'Old-style <file>name</file> is not allowed.  Use' .
            '<file name="name" role="role"/>');
    }

    function _tagMissingAttribute($tag, $attr, $context)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $tag,
            'attribute' => $attr, 'context' => $context),
            'tag <%tag%> in context "%context%" has no attribute "%attribute%"');
    }

    function _tagHasNoAttribs($tag, $context)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $tag,
            'context' => $context),
            'tag <%tag%> has no attributes in context "%context%"');
    }

    function _invalidInternalStructure()
    {
        $this->_stack->push(__FUNCTION__, 'exception', array(),
            'internal array was not generated by compatible parser, or extreme parser error, cannot continue');
    }

    function _invalidFileRole($file, $dir, $role)
    {
        $this->_stack->push(__FUNCTION__, 'error', array(
            'file' => $file, 'dir' => $dir, 'role' => $role,
            'roles' => PEAR_Installer_Role::getValidRoles($this->_pf->getPackageType())),
            'File "%file%" in directory "%dir%" has invalid role "%role%", should be one of %roles%');
    }

    function _invalidFileName($file, $dir)
    {
        $this->_stack->push(__FUNCTION__, 'error', array(
            'file' => $file),
            'File "%file%" in directory "%dir%" cannot begin with "./" or contain ".."');
    }

    function _invalidFileInstallAs($file, $as)
    {
        $this->_stack->push(__FUNCTION__, 'error', array(
            'file' => $file, 'as' => $as),
            'File "%file%" <install as="%as%"/> cannot contain "./" or contain ".."');
    }

    function _invalidDirName($dir)
    {
        $this->_stack->push(__FUNCTION__, 'error', array(
            'dir' => $file),
            'Directory "%dir%" cannot begin with "./" or contain ".."');
    }

    function _filelistCannotContainFile($filelist)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $filelist),
            '<%tag%> can only contain <dir>, contains <file>.  Use ' .
            '<dir name="/"> as the first dir element');
    }

    function _filelistMustContainDir($filelist)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $filelist),
            '<%tag%> must contain <dir>.  Use <dir name="/"> as the ' .
            'first dir element');
    }

    function _tagCannotBeEmpty($tag)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $tag),
            '<%tag%> cannot be empty (<%tag%/>)');
    }

    function _UrlOrChannel($type, $name)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type,
            'name' => $name),
            'Required dependency <%type%> "%name%" can have either url OR ' .
            'channel attributes, and not both');
    }

    function _NoChannel($type, $name)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type,
            'name' => $name),
            'Required dependency <%type%> "%name%" must have either url OR ' .
            'channel attributes');
    }

    function _UrlOrChannelGroup($type, $name, $group)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type,
            'name' => $name, 'group' => $group),
            'Group "%group%" dependency <%type%> "%name%" can have either url OR ' .
            'channel attributes, and not both');
    }

    function _NoChannelGroup($type, $name, $group)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type,
            'name' => $name, 'group' => $group),
            'Group "%group%" dependency <%type%> "%name%" must have either url OR ' .
            'channel attributes');
    }

    function _unknownChannel($channel)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('channel' => $channel),
            'Unknown channel "%channel%"');
    }

    function _noPackageVersion()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            'package.xml <package> tag has no version attribute, or version is not 2.0');
    }

    function _NoBundledPackages()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            'No <bundledpackage> tag was found in <contents>, required for bundle packages');
    }

    function _AtLeast2BundledPackages()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            'At least 2 packages must be bundled in a bundle package');
    }

    function _ChannelOrUri($name)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('name' => $name),
            'Bundled package "%name%" can have either a uri or a channel, not both');
    }

    function _noChildTag($child, $tag)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('child' => $child, 'tag' => $tag),
            'Tag <%tag%> is missing child tag <%child%>');
    }

    function _invalidVersion($type, $value)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type, 'value' => $value),
            'Version type <%type%> is not a valid version (%value%)');
    }

    function _invalidState($type, $value)
    {
        $states = array('stable', 'beta', 'alpha', 'devel');
        if ($type != 'api') {
            $states[] = 'snapshot';
        }
        if (strtolower($value) == 'rc') {
            $this->_stack->push(__FUNCTION__, 'error',
                array('version' => $this->_packageInfo['version']['release']),
                'RC is not a state, it is a version postfix, try %version%RC1, stability beta');
        }
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type, 'value' => $value,
            'types' => $states),
            'Stability type <%type%> is not a valid stability (%value%), must be one of ' .
            '%types%');
    }

    function _invalidTask($task, $ret, $file)
    {
        switch ($ret[0]) {
            case PEAR_TASK_ERROR_MISSING_ATTRIB :
                $info = array('attrib' => $ret[1], 'task' => $task, 'file' => $file);
                $msg = 'task <%task%> is missing attribute "%attrib%" in file %file%';
            break;
            case PEAR_TASK_ERROR_NOATTRIBS :
                $info = array('task' => $task, 'file' => $file);
                $msg = 'task <%task%> has no attributes in file %file%';
            break;
            case PEAR_TASK_ERROR_WRONG_ATTRIB_VALUE :
                $info = array('attrib' => $ret[1], 'values' => $ret[3],
                    'was' => $ret[2], 'task' => $task, 'file' => $file);
                $msg = 'task <%task%> attribute "%attrib%" has the wrong value "%was%" '.
                    'in file %file%, expecting one of "%values%"';
            break;
            case PEAR_TASK_ERROR_INVALID :
                $info = array('reason' => $ret[1], 'task' => $task, 'file' => $file);
                $msg = 'task <%task%> in file %file% is invalid because of "%reason%"';
            break;
        }
        $this->_stack->push(__FUNCTION__, 'error', $info, $msg);
    }

    function _unknownTask($task, $file)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('task' => $task, 'file' => $file),
            'Unknown task "%task%" passed in file <file name="%file%">');
    }

    function _subpackageCannotProvideExtension($name)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('name' => $name),
            'Subpackage dependency "%name%" cannot use <providesextension>, ' .
            'only package dependencies can use this tag');
    }

    function _subpackagesCannotConflict($name)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('name' => $name),
            'Subpackage dependency "%name%" cannot use <conflicts/>, ' .
            'only package dependencies can use this tag');
    }

    function _cannotProvideExtension($release)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('release' => $release),
            '<%release%> packages cannot use <providesextension>, only extbinrelease, extsrcrelease, zendextsrcrelease, and zendextbinrelease can provide a PHP extension');
    }

    function _mustProvideExtension($release)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('release' => $release),
            '<%release%> packages must use <providesextension> to indicate which PHP extension is provided');
    }

    function _cannotHaveSrcpackage($release)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('release' => $release),
            '<%release%> packages cannot specify a source code package, only extension binaries may use the <srcpackage> tag');
    }

    function _mustSrcPackage($release)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('release' => $release),
            '<extbinrelease>/<zendextbinrelease> packages must specify a source code package with <srcpackage>');
    }

    function _mustSrcuri($release)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('release' => $release),
            '<extbinrelease>/<zendextbinrelease> packages must specify a source code package with <srcuri>');
    }

    function _uriDepsCannotHaveVersioning($type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type),
            '%type%: dependencies with a <uri> tag cannot have any versioning information');
    }

    function _conflictingDepsCannotHaveVersioning($type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type),
            '%type%: conflicting dependencies cannot have versioning info, use <exclude> to ' .
            'exclude specific versions of a dependency');
    }

    function _DepchannelCannotBeUri($type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('type' => $type),
            '%type%: channel cannot be __uri, this is a pseudo-channel reserved for uri ' .
            'dependencies only');
    }

    function _bundledPackagesMustBeFilename()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            '<bundledpackage> tags must contain only the filename of a package release ' .
            'in the bundle');
    }

    function _binaryPackageMustBePackagename()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            '<binarypackage> tags must contain the name of a package that is ' .
            'a compiled version of this extsrc/zendextsrc package');
    }

    function _fileNotFound($file)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('file' => $file),
            'File "%file%" in package.xml does not exist');
    }

    function _notInContents($file, $tag)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('file' => $file, 'tag' => $tag),
            '<%tag% name="%file%"> is invalid, file is not in <contents>');
    }

    function _cannotValidateNoPathSet()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            'Cannot validate files, no path to package file is set (use setPackageFile())');
    }

    function _usesroletaskMustHaveChannelOrUri($role, $tag)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('role' => $role, 'tag' => $tag),
            '<%tag%> for role "%role%" must contain either <uri>, or <channel> and <package>');
    }

    function _usesroletaskMustHavePackage($role, $tag)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('role' => $role, 'tag' => $tag),
            '<%tag%> for role "%role%" must contain <package>');
    }

    function _usesroletaskMustHaveRoleTask($tag, $type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $tag, 'type' => $type),
            '<%tag%> must contain <%type%> defining the %type% to be used');
    }

    function _cannotConflictWithAllOs($type)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('tag' => $tag),
            '%tag% cannot conflict with all OSes');
    }

    function _invalidDepGroupName($name)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('name' => $name),
            'Invalid dependency group name "%name%"');
    }

    function _multipleToplevelDirNotAllowed()
    {
        $this->_stack->push(__FUNCTION__, 'error', array(),
            'Multiple top-level <dir> tags are not allowed.  Enclose them ' .
                'in a <dir name="/">');
    }

    function _multipleInstallAs($file)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('file' => $file),
            'Only one <install> tag is allowed for file "%file%"');
    }

    function _ignoreAndInstallAs($file)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('file' => $file),
            'Cannot have both <ignore> and <install> tags for file "%file%"');
    }

    function _analyzeBundledPackages()
    {
        if (!$this->_isValid) {
            return false;
        }
        if (!$this->_pf->getPackageType() == 'bundle') {
            return false;
        }
        if (!isset($this->_pf->_packageFile)) {
            return false;
        }
        $dir_prefix = dirname($this->_pf->_packageFile);
        $common = new PEAR_Common;
        $log = isset($this->_pf->_logger) ? array(&$this->_pf->_logger, 'log') :
            array($common, 'log');
        $info = $this->_pf->getContents();
        $info = $info['bundledpackage'];
        if (!is_array($info)) {
            $info = array($info);
        }
        $pkg = new PEAR_PackageFile($this->_pf->_config);
        foreach ($info as $package) {
            if (!file_exists($dir_prefix . DIRECTORY_SEPARATOR . $package)) {
                $this->_fileNotFound($dir_prefix . DIRECTORY_SEPARATOR . $package);
                $this->_isValid = 0;
                continue;
            }
            call_user_func_array($log, array(1, "Analyzing bundled package $package"));
            PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
            $ret = $pkg->fromAnyFile($dir_prefix . DIRECTORY_SEPARATOR . $package,
                PEAR_VALIDATE_NORMAL);
            PEAR::popErrorHandling();
            if (PEAR::isError($ret)) {
                call_user_func_array($log, array(0, "ERROR: package $package is not a valid " .
                    'package'));
                $inf = $ret->getUserInfo();
                if (is_array($inf)) {
                    foreach ($inf as $err) {
                        call_user_func_array($log, array(1, $err['message']));
                    }
                }
                return false;
            }
        }
        return true;
    }

    function _analyzePhpFiles()
    {
        if (!$this->_isValid) {
            return false;
        }
        if (!isset($this->_pf->_packageFile)) {
            $this->_cannotValidateNoPathSet();
            return false;
        }
        $dir_prefix = dirname($this->_pf->_packageFile);
        $common = new PEAR_Common;
        $log = isset($this->_pf->_logger) ? array(&$this->_pf->_logger, 'log') :
            array(&$common, 'log');
        $info = $this->_pf->getContents();
        if (!$info || !isset($info['dir']['file'])) {
            $this->_tagCannotBeEmpty('contents><dir');
            return false;
        }
        $info = $info['dir']['file'];
        if (isset($info['attribs'])) {
            $info = array($info);
        }
        $provides = array();
        foreach ($info as $fa) {
            $fa = $fa['attribs'];
            $file = $fa['name'];
            if (!file_exists($dir_prefix . DIRECTORY_SEPARATOR . $file)) {
                $this->_fileNotFound($dir_prefix . DIRECTORY_SEPARATOR . $file);
                $this->_isValid = 0;
                continue;
            }
            if (in_array($fa['role'], PEAR_Installer_Role::getPhpRoles()) && $dir_prefix) {
                call_user_func_array($log, array(1, "Analyzing $file"));
                $srcinfo = $this->analyzeSourceCode($dir_prefix . DIRECTORY_SEPARATOR . $file);
                if ($srcinfo) {
                    $provides = array_merge($provides, $this->_buildProvidesArray($srcinfo));
                }
            }
        }
        $this->_packageName = $pn = $this->_pf->getPackage();
        $pnl = strlen($pn);
        foreach ($provides as $key => $what) {
            if (isset($what['explicit']) || !$what) {
                // skip conformance checks if the provides entry is
                // specified in the package.xml file
                continue;
            }
            extract($what);
            if ($type == 'class') {
                if (!strncasecmp($name, $pn, $pnl)) {
                    continue;
                }
                $this->_stack->push(__FUNCTION__, 'warning',
                    array('file' => $file, 'type' => $type, 'name' => $name, 'package' => $pn),
                    'in %file%: %type% "%name%" not prefixed with package name "%package%"');
            } elseif ($type == 'function') {
                if (strstr($name, '::') || !strncasecmp($name, $pn, $pnl)) {
                    continue;
                }
                $this->_stack->push(__FUNCTION__, 'warning',
                    array('file' => $file, 'type' => $type, 'name' => $name, 'package' => $pn),
                    'in %file%: %type% "%name%" not prefixed with package name "%package%"');
            }
        }
        return $this->_isValid;
    }

    /**
     * Analyze the source code of the given PHP file
     *
     * @param  string Filename of the PHP file
     * @param  boolean whether to analyze $file as the file contents
     * @return mixed
     */
    function analyzeSourceCode($file, $string = false)
    {
        if (!function_exists("token_get_all")) {
            $this->_stack->push(__FUNCTION__, 'error', array('file' => $file),
                'Parser error: token_get_all() function must exist to analyze source code, PHP may have been compiled with --disable-tokenizer');
            return false;
        }

        if (!defined('T_DOC_COMMENT')) {
            define('T_DOC_COMMENT', T_COMMENT);
        }

        if (!defined('T_INTERFACE')) {
            define('T_INTERFACE', -1);
        }

        if (!defined('T_IMPLEMENTS')) {
            define('T_IMPLEMENTS', -1);
        }

        if ($string) {
            $contents = $file;
        } else {
            if (!$fp = @fopen($file, "r")) {
                return false;
            }
            fclose($fp);
            $contents = file_get_contents($file);
        }

        // Silence this function so we can catch PHP Warnings and show our own custom message
        $tokens = @token_get_all($contents);
        if (isset($php_errormsg)) {
            if (isset($this->_stack)) {
                $pn = $this->_pf->getPackage();
                $this->_stack->push(__FUNCTION__, 'warning',
                        array('file' => $file, 'package' => $pn),
                        'in %file%: Could not process file for unknown reasons,' .
                        ' possibly a PHP parse error in %file% from %package%');
            }
        }
/*
        for ($i = 0; $i < sizeof($tokens); $i++) {
            @list($token, $data) = $tokens[$i];
            if (is_string($token)) {
                var_dump($token);
            } else {
                print token_name($token) . ' ';
                var_dump(rtrim($data));
            }
        }
*/
        $look_for = 0;
        $paren_level = 0;
        $bracket_level = 0;
        $brace_level = 0;
        $lastphpdoc = '';
        $current_class = '';
        $current_interface = '';
        $current_class_level = -1;
        $current_function = '';
        $current_function_level = -1;
        $declared_classes = array();
        $declared_interfaces = array();
        $declared_functions = array();
        $declared_methods = array();
        $used_classes = array();
        $used_functions = array();
        $extends = array();
        $implements = array();
        $nodeps = array();
        $inquote = false;
        $interface = false;
        for ($i = 0; $i < sizeof($tokens); $i++) {
            if (is_array($tokens[$i])) {
                list($token, $data) = $tokens[$i];
            } else {
                $token = $tokens[$i];
                $data = '';
            }

            if ($inquote) {
                if ($token != '"' && $token != T_END_HEREDOC) {
                    continue;
                } else {
                    $inquote = false;
                    continue;
                }
            }

            switch ($token) {
                case T_WHITESPACE :
                    continue 2;
                case ';':
                    if ($interface) {
                        $current_function = '';
                        $current_function_level = -1;
                    }
                    break;
                case '"':
                case T_START_HEREDOC:
                    $inquote = true;
                    break;
                case T_CURLY_OPEN:
                case T_DOLLAR_OPEN_CURLY_BRACES:
                case '{': $brace_level++; continue 2;
                case '}':
                    $brace_level--;
                    if ($current_class_level == $brace_level) {
                        $current_class = '';
                        $current_class_level = -1;
                    }
                    if ($current_function_level == $brace_level) {
                        $current_function = '';
                        $current_function_level = -1;
                    }
                    continue 2;
                case '[': $bracket_level++; continue 2;
                case ']': $bracket_level--; continue 2;
                case '(': $paren_level++;   continue 2;
                case ')': $paren_level--;   continue 2;
                case T_INTERFACE:
                    $interface = true;
                case T_CLASS:
                    if (($current_class_level != -1) || ($current_function_level != -1)) {
                        if (isset($this->_stack)) {
                            $this->_stack->push(__FUNCTION__, 'error', array('file' => $file),
                            'Parser error: invalid PHP found in file "%file%"');
                        } else {
                            PEAR::raiseError("Parser error: invalid PHP found in file \"$file\"",
                                PEAR_COMMON_ERROR_INVALIDPHP);
                        }

                        return false;
                    }
                case T_FUNCTION:
                case T_NEW:
                case T_EXTENDS:
                case T_IMPLEMENTS:
                    $look_for = $token;
                    continue 2;
                case T_STRING:
                    if ($look_for == T_CLASS) {
                        $current_class = $data;
                        $current_class_level = $brace_level;
                        $declared_classes[] = $current_class;
                    } elseif ($look_for == T_INTERFACE) {
                        $current_interface = $data;
                        $current_class_level = $brace_level;
                        $declared_interfaces[] = $current_interface;
                    } elseif ($look_for == T_IMPLEMENTS) {
                        $implements[$current_class] = $data;
                    } elseif ($look_for == T_EXTENDS) {
                        $extends[$current_class] = $data;
                    } elseif ($look_for == T_FUNCTION) {
                        if ($current_class) {
                            $current_function = "$current_class::$data";
                            $declared_methods[$current_class][] = $data;
                        } elseif ($current_interface) {
                            $current_function = "$current_interface::$data";
                            $declared_methods[$current_interface][] = $data;
                        } else {
                            $current_function = $data;
                            $declared_functions[] = $current_function;
                        }

                        $current_function_level = $brace_level;
                        $m = array();
                    } elseif ($look_for == T_NEW) {
                        $used_classes[$data] = true;
                    }

                    $look_for = 0;
                    continue 2;
                case T_VARIABLE:
                    $look_for = 0;
                    continue 2;
                case T_DOC_COMMENT:
                case T_COMMENT:
                    if (preg_match('!^/\*\*\s!', $data)) {
                        $lastphpdoc = $data;
                        if (preg_match_all('/@nodep\s+(\S+)/', $lastphpdoc, $m)) {
                            $nodeps = array_merge($nodeps, $m[1]);
                        }
                    }
                    continue 2;
                case T_DOUBLE_COLON:
                    $token = $tokens[$i - 1][0];
                    if (!($token == T_WHITESPACE || $token == T_STRING || $token == T_STATIC || $token == T_VARIABLE)) {
                        if (isset($this->_stack)) {
                            $this->_stack->push(__FUNCTION__, 'warning', array('file' => $file),
                                'Parser error: invalid PHP found in file "%file%"');
                        } else {
                            PEAR::raiseError("Parser error: invalid PHP found in file \"$file\"",
                                PEAR_COMMON_ERROR_INVALIDPHP);
                        }

                        return false;
                    }

                    $class = $tokens[$i - 1][1];
                    if (strtolower($class) != 'parent') {
                        $used_classes[$class] = true;
                    }

                    continue 2;
            }
        }

        return array(
            "source_file" => $file,
            "declared_classes" => $declared_classes,
            "declared_interfaces" => $declared_interfaces,
            "declared_methods" => $declared_methods,
            "declared_functions" => $declared_functions,
            "used_classes" => array_diff(array_keys($used_classes), $nodeps),
            "inheritance" => $extends,
            "implements" => $implements,
        );
    }

    /**
     * Build a "provides" array from data returned by
     * analyzeSourceCode().  The format of the built array is like
     * this:
     *
     *  array(
     *    'class;MyClass' => 'array('type' => 'class', 'name' => 'MyClass'),
     *    ...
     *  )
     *
     *
     * @param array $srcinfo array with information about a source file
     * as returned by the analyzeSourceCode() method.
     *
     * @return void
     *
     * @access private
     *
     */
    function _buildProvidesArray($srcinfo)
    {
        if (!$this->_isValid) {
            return array();
        }

        $providesret = array();
        $file        = basename($srcinfo['source_file']);
        $pn          = isset($this->_pf) ? $this->_pf->getPackage() : '';
        $pnl         = strlen($pn);
        foreach ($srcinfo['declared_classes'] as $class) {
            $key = "class;$class";
            if (isset($providesret[$key])) {
                continue;
            }

            $providesret[$key] =
                array('file'=> $file, 'type' => 'class', 'name' => $class);
            if (isset($srcinfo['inheritance'][$class])) {
                $providesret[$key]['extends'] =
                    $srcinfo['inheritance'][$class];
            }
        }

        foreach ($srcinfo['declared_methods'] as $class => $methods) {
            foreach ($methods as $method) {
                $function = "$class::$method";
                $key = "function;$function";
                if ($method[0] == '_' || !strcasecmp($method, $class) ||
                    isset($providesret[$key])) {
                    continue;
                }

                $providesret[$key] =
                    array('file'=> $file, 'type' => 'function', 'name' => $function);
            }
        }

        foreach ($srcinfo['declared_functions'] as $function) {
            $key = "function;$function";
            if ($function[0] == '_' || isset($providesret[$key])) {
                continue;
            }

            if (!strstr($function, '::') && strncasecmp($function, $pn, $pnl)) {
                $warnings[] = "in1 " . $file . ": function \"$function\" not prefixed with package name \"$pn\"";
            }

            $providesret[$key] =
                array('file'=> $file, 'type' => 'function', 'name' => $function);
        }

        return $providesret;
    }
}
PK       ! ���=_�  _�    rw.phpnu �[���        <?php
/**
 * PEAR_PackageFile_v2, package.xml version 2.0, read/write version
 *
 * PHP versions 4 and 5
 *
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 1.4.0a8
 */
/**
 * For base class
 */
require_once 'PEAR/PackageFile/v2.php';
/**
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    Release: 1.10.16
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since Release 1.4.0a8
 */
class PEAR_PackageFile_v2_rw extends PEAR_PackageFile_v2
{
    /**
     * @param string Extension name
     * @return bool success of operation
     */
    function setProvidesExtension($extension)
    {
        if (in_array($this->getPackageType(),
              array('extsrc', 'extbin', 'zendextsrc', 'zendextbin'))) {
            if (!isset($this->_packageInfo['providesextension'])) {
                // ensure that the channel tag is set up in the right location
                $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                    array('usesrole', 'usestask', 'srcpackage', 'srcuri', 'phprelease',
                    'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
                    'bundle', 'changelog'),
                    $extension, 'providesextension');
            }
            $this->_packageInfo['providesextension'] = $extension;
            return true;
        }
        return false;
    }

    function setPackage($package)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['attribs'])) {
            $this->_packageInfo = array_merge(array('attribs' => array(
                                 'version' => '2.0',
                                 'xmlns' => 'http://pear.php.net/dtd/package-2.0',
                                 'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
                                 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
                                 'xsi:schemaLocation' => 'http://pear.php.net/dtd/tasks-1.0
    http://pear.php.net/dtd/tasks-1.0.xsd
    http://pear.php.net/dtd/package-2.0
    http://pear.php.net/dtd/package-2.0.xsd',
                             )), $this->_packageInfo);
        }
        if (!isset($this->_packageInfo['name'])) {
            return $this->_packageInfo = array_merge(array('name' => $package),
                $this->_packageInfo);
        }
        $this->_packageInfo['name'] = $package;
    }

    /**
     * set this as a package.xml version 2.1
     * @access private
     */
    function _setPackageVersion2_1()
    {
        $info = array(
                                 'version' => '2.1',
                                 'xmlns' => 'http://pear.php.net/dtd/package-2.1',
                                 'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
                                 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
                                 'xsi:schemaLocation' => 'http://pear.php.net/dtd/tasks-1.0
    http://pear.php.net/dtd/tasks-1.0.xsd
    http://pear.php.net/dtd/package-2.1
    http://pear.php.net/dtd/package-2.1.xsd',
                             );
        if (!isset($this->_packageInfo['attribs'])) {
            $this->_packageInfo = array_merge(array('attribs' => $info), $this->_packageInfo);
        } else {
            $this->_packageInfo['attribs'] = $info;
        }
    }

    function setUri($uri)
    {
        unset($this->_packageInfo['channel']);
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['uri'])) {
            // ensure that the uri tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('extends', 'summary', 'description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), $uri, 'uri');
        }
        $this->_packageInfo['uri'] = $uri;
    }

    function setChannel($channel)
    {
        unset($this->_packageInfo['uri']);
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['channel'])) {
            // ensure that the channel tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('extends', 'summary', 'description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), $channel, 'channel');
        }
        $this->_packageInfo['channel'] = $channel;
    }

    function setExtends($extends)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['extends'])) {
            // ensure that the extends tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('summary', 'description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), $extends, 'extends');
        }
        $this->_packageInfo['extends'] = $extends;
    }

    function setSummary($summary)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['summary'])) {
            // ensure that the summary tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), $summary, 'summary');
        }
        $this->_packageInfo['summary'] = $summary;
    }

    function setDescription($desc)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['description'])) {
            // ensure that the description tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), $desc, 'description');
        }
        $this->_packageInfo['description'] = $desc;
    }

    /**
     * Adds a new maintainer - no checking of duplicates is performed, use
     * updatemaintainer for that purpose.
     */
    function addMaintainer($role, $handle, $name, $email, $active = 'yes')
    {
        if (!in_array($role, array('lead', 'developer', 'contributor', 'helper'))) {
            return false;
        }
        if (isset($this->_packageInfo[$role])) {
            if (!isset($this->_packageInfo[$role][0])) {
                $this->_packageInfo[$role] = array($this->_packageInfo[$role]);
            }
            $this->_packageInfo[$role][] =
                array(
                    'name' => $name,
                    'user' => $handle,
                    'email' => $email,
                    'active' => $active,
                );
        } else {
            $testarr = array('lead',
                    'developer', 'contributor', 'helper', 'date', 'time', 'version',
                    'stability', 'license', 'notes', 'contents', 'compatible',
                    'dependencies', 'providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
                    'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog');
            foreach (array('lead', 'developer', 'contributor', 'helper') as $testrole) {
                array_shift($testarr);
                if ($role == $testrole) {
                    break;
                }
            }
            if (!isset($this->_packageInfo[$role])) {
                // ensure that the extends tag is set up in the right location
                $this->_packageInfo = $this->_insertBefore($this->_packageInfo, $testarr,
                    array(), $role);
            }
            $this->_packageInfo[$role] =
                array(
                    'name' => $name,
                    'user' => $handle,
                    'email' => $email,
                    'active' => $active,
                );
        }
        $this->_isValid = 0;
    }

    function updateMaintainer($newrole, $handle, $name, $email, $active = 'yes')
    {
        $found = false;
        foreach (array('lead', 'developer', 'contributor', 'helper') as $role) {
            if (!isset($this->_packageInfo[$role])) {
                continue;
            }
            $info = $this->_packageInfo[$role];
            if (!isset($info[0])) {
                if ($info['user'] == $handle) {
                    $found = true;
                    break;
                }
            }
            foreach ($info as $i => $maintainer) {
                if (is_array($maintainer) && $maintainer['user'] == $handle) {
                    $found = $i;
                    break 2;
                }
            }
        }
        if ($found === false) {
            return $this->addMaintainer($newrole, $handle, $name, $email, $active);
        }
        if ($found !== false) {
            if ($found === true) {
                unset($this->_packageInfo[$role]);
            } else {
                unset($this->_packageInfo[$role][$found]);
                $this->_packageInfo[$role] = array_values($this->_packageInfo[$role]);
            }
        }
        $this->addMaintainer($newrole, $handle, $name, $email, $active);
        $this->_isValid = 0;
    }

    function deleteMaintainer($handle)
    {
        $found = false;
        foreach (array('lead', 'developer', 'contributor', 'helper') as $role) {
            if (!isset($this->_packageInfo[$role])) {
                continue;
            }
            if (!isset($this->_packageInfo[$role][0])) {
                $this->_packageInfo[$role] = array($this->_packageInfo[$role]);
            }
            foreach ($this->_packageInfo[$role] as $i => $maintainer) {
                if ($maintainer['user'] == $handle) {
                    $found = $i;
                    break;
                }
            }
            if ($found !== false) {
                unset($this->_packageInfo[$role][$found]);
                if (!count($this->_packageInfo[$role]) && $role == 'lead') {
                    $this->_isValid = 0;
                }
                if (!count($this->_packageInfo[$role])) {
                    unset($this->_packageInfo[$role]);
                    return true;
                }
                $this->_packageInfo[$role] =
                    array_values($this->_packageInfo[$role]);
                if (count($this->_packageInfo[$role]) == 1) {
                    $this->_packageInfo[$role] = $this->_packageInfo[$role][0];
                }
                return true;
            }
            if (count($this->_packageInfo[$role]) == 1) {
                $this->_packageInfo[$role] = $this->_packageInfo[$role][0];
            }
        }
        return false;
    }

    function setReleaseVersion($version)
    {
        if (isset($this->_packageInfo['version']) &&
              isset($this->_packageInfo['version']['release'])) {
            unset($this->_packageInfo['version']['release']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $version, array(
            'version' => array('stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'release' => array('api')));
        $this->_isValid = 0;
    }

    function setAPIVersion($version)
    {
        if (isset($this->_packageInfo['version']) &&
              isset($this->_packageInfo['version']['api'])) {
            unset($this->_packageInfo['version']['api']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $version, array(
            'version' => array('stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'api' => array()));
        $this->_isValid = 0;
    }

    /**
     * snapshot|devel|alpha|beta|stable
     */
    function setReleaseStability($state)
    {
        if (isset($this->_packageInfo['stability']) &&
              isset($this->_packageInfo['stability']['release'])) {
            unset($this->_packageInfo['stability']['release']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $state, array(
            'stability' => array('license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'release' => array('api')));
        $this->_isValid = 0;
    }

    /**
     * @param devel|alpha|beta|stable
     */
    function setAPIStability($state)
    {
        if (isset($this->_packageInfo['stability']) &&
              isset($this->_packageInfo['stability']['api'])) {
            unset($this->_packageInfo['stability']['api']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $state, array(
            'stability' => array('license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'api' => array()));
        $this->_isValid = 0;
    }

    function setLicense($license, $uri = false, $filesource = false)
    {
        if (!isset($this->_packageInfo['license'])) {
            // ensure that the license tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), 0, 'license');
        }
        if ($uri || $filesource) {
            $attribs = array();
            if ($uri) {
                $attribs['uri'] = $uri;
            }
            $uri = true; // for test below
            if ($filesource) {
                $attribs['filesource'] = $filesource;
            }
        }
        $license = $uri ? array('attribs' => $attribs, '_content' => $license) : $license;
        $this->_packageInfo['license'] = $license;
        $this->_isValid = 0;
    }

    function setNotes($notes)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['notes'])) {
            // ensure that the notes tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'extbinrelease', 'bundle', 'changelog'), $notes, 'notes');
        }
        $this->_packageInfo['notes'] = $notes;
    }

    /**
     * This is only used at install-time, after all serialization
     * is over.
     * @param string file name
     * @param string installed path
     */
    function setInstalledAs($file, $path)
    {
        if ($path) {
            return $this->_packageInfo['filelist'][$file]['installed_as'] = $path;
        }
        unset($this->_packageInfo['filelist'][$file]['installed_as']);
    }

    /**
     * This is only used at install-time, after all serialization
     * is over.
     */
    function installedFile($file, $atts)
    {
        if (isset($this->_packageInfo['filelist'][$file])) {
            $this->_packageInfo['filelist'][$file] =
                array_merge($this->_packageInfo['filelist'][$file], $atts['attribs']);
        } else {
            $this->_packageInfo['filelist'][$file] = $atts['attribs'];
        }
    }

    /**
     * Reset the listing of package contents
     * @param string base installation dir for the whole package, if any
     */
    function clearContents($baseinstall = false)
    {
        $this->_filesValid = false;
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['contents'])) {
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('compatible',
                    'dependencies', 'providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
                    'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
                    'bundle', 'changelog'), array(), 'contents');
        }
        if ($this->getPackageType() != 'bundle') {
            $this->_packageInfo['contents'] =
                array('dir' => array('attribs' => array('name' => '/')));
            if ($baseinstall) {
                $this->_packageInfo['contents']['dir']['attribs']['baseinstalldir'] = $baseinstall;
            }
        } else {
            $this->_packageInfo['contents'] = array('bundledpackage' => array());
        }
    }

    /**
     * @param string relative path of the bundled package.
     */
    function addBundledPackage($path)
    {
        if ($this->getPackageType() != 'bundle') {
            return false;
        }
        $this->_filesValid = false;
        $this->_isValid = 0;
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $path, array(
                'contents' => array('compatible', 'dependencies', 'providesextension',
                'usesrole', 'usestask', 'srcpackage', 'srcuri', 'phprelease',
                'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'bundle', 'changelog'),
                'bundledpackage' => array()));
    }

    /**
     * @param string file name
     * @param PEAR_Task_Common a read/write task
     */
    function addTaskToFile($filename, $task)
    {
        if (!method_exists($task, 'getXml')) {
            return false;
        }
        if (!method_exists($task, 'getName')) {
            return false;
        }
        if (!method_exists($task, 'validate')) {
            return false;
        }
        if (!$task->validate()) {
            return false;
        }
        if (!isset($this->_packageInfo['contents']['dir']['file'])) {
            return false;
        }
        $this->getTasksNs(); // discover the tasks namespace if not done already
        $files = $this->_packageInfo['contents']['dir']['file'];
        if (!isset($files[0])) {
            $files = array($files);
            $ind = false;
        } else {
            $ind = true;
        }
        foreach ($files as $i => $file) {
            if (isset($file['attribs'])) {
                if ($file['attribs']['name'] == $filename) {
                    if ($ind) {
                        $t = isset($this->_packageInfo['contents']['dir']['file'][$i]
                              ['attribs'][$this->_tasksNs .
                              ':' . $task->getName()]) ?
                              $this->_packageInfo['contents']['dir']['file'][$i]
                              ['attribs'][$this->_tasksNs .
                              ':' . $task->getName()] : false;
                        if ($t && !isset($t[0])) {
                            $this->_packageInfo['contents']['dir']['file'][$i]
                                [$this->_tasksNs . ':' . $task->getName()] = array($t);
                        }
                        $this->_packageInfo['contents']['dir']['file'][$i][$this->_tasksNs .
                            ':' . $task->getName()][] = $task->getXml();
                    } else {
                        $t = isset($this->_packageInfo['contents']['dir']['file']
                              ['attribs'][$this->_tasksNs .
                              ':' . $task->getName()]) ? $this->_packageInfo['contents']['dir']['file']
                              ['attribs'][$this->_tasksNs .
                              ':' . $task->getName()] : false;
                        if ($t && !isset($t[0])) {
                            $this->_packageInfo['contents']['dir']['file']
                                [$this->_tasksNs . ':' . $task->getName()] = array($t);
                        }
                        $this->_packageInfo['contents']['dir']['file'][$this->_tasksNs .
                            ':' . $task->getName()][] = $task->getXml();
                    }
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * @param string path to the file
     * @param string filename
     * @param array extra attributes
     */
    function addFile($dir, $file, $attrs)
    {
        if ($this->getPackageType() == 'bundle') {
            return false;
        }
        $this->_filesValid = false;
        $this->_isValid = 0;
        $dir = preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'), $dir);
        if ($dir == '/' || $dir == '') {
            $dir = '';
        } else {
            $dir .= '/';
        }
        $attrs['name'] = $dir . $file;
        if (!isset($this->_packageInfo['contents'])) {
            // ensure that the contents tag is set up
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('compatible', 'dependencies', 'providesextension', 'usesrole', 'usestask',
                'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
                'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'bundle', 'changelog'), array(), 'contents');
        }
        if (isset($this->_packageInfo['contents']['dir']['file'])) {
            if (!isset($this->_packageInfo['contents']['dir']['file'][0])) {
                $this->_packageInfo['contents']['dir']['file'] =
                    array($this->_packageInfo['contents']['dir']['file']);
            }
            $this->_packageInfo['contents']['dir']['file'][]['attribs'] = $attrs;
        } else {
            $this->_packageInfo['contents']['dir']['file']['attribs'] = $attrs;
        }
    }

    /**
     * @param string Dependent package name
     * @param string Dependent package's channel name
     * @param string minimum version of specified package that this release is guaranteed to be
     *               compatible with
     * @param string maximum version of specified package that this release is guaranteed to be
     *               compatible with
     * @param string versions of specified package that this release is not compatible with
     */
    function addCompatiblePackage($name, $channel, $min, $max, $exclude = false)
    {
        $this->_isValid = 0;
        $set = array(
            'name' => $name,
            'channel' => $channel,
            'min' => $min,
            'max' => $max,
        );
        if ($exclude) {
            $set['exclude'] = $exclude;
        }
        $this->_isValid = 0;
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $set, array(
                'compatible' => array('dependencies', 'providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')
            ));
    }

    /**
     * Removes the <usesrole> tag entirely
     */
    function resetUsesrole()
    {
        if (isset($this->_packageInfo['usesrole'])) {
            unset($this->_packageInfo['usesrole']);
        }
    }

    /**
     * @param string
     * @param string package name or uri
     * @param string channel name if non-uri
     */
    function addUsesrole($role, $packageOrUri, $channel = false) {
        $set = array('role' => $role);
        if ($channel) {
            $set['package'] = $packageOrUri;
            $set['channel'] = $channel;
        } else {
            $set['uri'] = $packageOrUri;
        }
        $this->_isValid = 0;
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $set, array(
                'usesrole' => array('usestask', 'srcpackage', 'srcuri',
                    'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')
            ));
    }

    /**
     * Removes the <usestask> tag entirely
     */
    function resetUsestask()
    {
        if (isset($this->_packageInfo['usestask'])) {
            unset($this->_packageInfo['usestask']);
        }
    }


    /**
     * @param string
     * @param string package name or uri
     * @param string channel name if non-uri
     */
    function addUsestask($task, $packageOrUri, $channel = false) {
        $set = array('task' => $task);
        if ($channel) {
            $set['package'] = $packageOrUri;
            $set['channel'] = $channel;
        } else {
            $set['uri'] = $packageOrUri;
        }
        $this->_isValid = 0;
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $set, array(
                'usestask' => array('srcpackage', 'srcuri',
                    'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')
            ));
    }

    /**
     * Remove all compatible tags
     */
    function clearCompatible()
    {
        unset($this->_packageInfo['compatible']);
    }

    /**
     * Reset dependencies prior to adding new ones
     */
    function clearDeps()
    {
        if (!isset($this->_packageInfo['dependencies'])) {
            $this->_packageInfo = $this->_mergeTag($this->_packageInfo, array(),
                array(
                    'dependencies' => array('providesextension', 'usesrole', 'usestask',
                        'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                        'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')));
        }
        $this->_packageInfo['dependencies'] = array();
    }

    /**
     * @param string minimum PHP version allowed
     * @param string maximum PHP version allowed
     * @param array $exclude incompatible PHP versions
     */
    function setPhpDep($min, $max = false, $exclude = false)
    {
        $this->_isValid = 0;
        $dep =
            array(
                'min' => $min,
            );
        if ($max) {
            $dep['max'] = $max;
        }
        if ($exclude) {
            if (count($exclude) == 1) {
                $exclude = $exclude[0];
            }
            $dep['exclude'] = $exclude;
        }
        if (isset($this->_packageInfo['dependencies']['required']['php'])) {
            $this->_stack->push(__FUNCTION__, 'warning', array('dep' =>
            $this->_packageInfo['dependencies']['required']['php']),
                'warning: PHP dependency already exists, overwriting');
            unset($this->_packageInfo['dependencies']['required']['php']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'required' => array('optional', 'group'),
                'php' => array('pearinstaller', 'package', 'subpackage', 'extension', 'os', 'arch')
            ));
        return true;
    }

    /**
     * @param string minimum allowed PEAR installer version
     * @param string maximum allowed PEAR installer version
     * @param string recommended PEAR installer version
     * @param array incompatible version of the PEAR installer
     */
    function setPearinstallerDep($min, $max = false, $recommended = false, $exclude = false)
    {
        $this->_isValid = 0;
        $dep =
            array(
                'min' => $min,
            );
        if ($max) {
            $dep['max'] = $max;
        }
        if ($recommended) {
            $dep['recommended'] = $recommended;
        }
        if ($exclude) {
            if (count($exclude) == 1) {
                $exclude = $exclude[0];
            }
            $dep['exclude'] = $exclude;
        }
        if (isset($this->_packageInfo['dependencies']['required']['pearinstaller'])) {
            $this->_stack->push(__FUNCTION__, 'warning', array('dep' =>
            $this->_packageInfo['dependencies']['required']['pearinstaller']),
                'warning: PEAR Installer dependency already exists, overwriting');
            unset($this->_packageInfo['dependencies']['required']['pearinstaller']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'required' => array('optional', 'group'),
                'pearinstaller' => array('package', 'subpackage', 'extension', 'os', 'arch')
            ));
    }

    /**
     * Mark a package as conflicting with this package
     * @param string package name
     * @param string package channel
     * @param string extension this package provides, if any
     * @param string|false minimum version required
     * @param string|false maximum version allowed
     * @param array|false versions to exclude from installation
     */
    function addConflictingPackageDepWithChannel($name, $channel,
                $providesextension = false, $min = false, $max = false, $exclude = false)
    {
        $this->_isValid = 0;
        $dep = $this->_constructDep($name, $channel, false, $min, $max, false,
            $exclude, $providesextension, false, true);
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'required' => array('optional', 'group'),
                'package' => array('subpackage', 'extension', 'os', 'arch')
            ));
    }

    /**
     * Mark a package as conflicting with this package
     * @param string package name
     * @param string package channel
     * @param string extension this package provides, if any
     */
    function addConflictingPackageDepWithUri($name, $uri, $providesextension = false)
    {
        $this->_isValid = 0;
        $dep =
            array(
                'name' => $name,
                'uri' => $uri,
                'conflicts' => '',
            );
        if ($providesextension) {
            $dep['providesextension'] = $providesextension;
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'required' => array('optional', 'group'),
                'package' => array('subpackage', 'extension', 'os', 'arch')
            ));
    }

    function addDependencyGroup($name, $hint)
    {
        $this->_isValid = 0;
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo,
            array('attribs' => array('name' => $name, 'hint' => $hint)),
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'group' => array(),
            ));
    }

    /**
     * @param string package name
     * @param string|false channel name, false if this is a uri
     * @param string|false uri name, false if this is a channel
     * @param string|false minimum version required
     * @param string|false maximum version allowed
     * @param string|false recommended installation version
     * @param array|false versions to exclude from installation
     * @param string extension this package provides, if any
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     * @param bool if true, tells the installer to negate this dependency (conflicts)
     * @return array
     * @access private
     */
    function _constructDep($name, $channel, $uri, $min, $max, $recommended, $exclude,
                           $providesextension = false, $nodefault = false,
                           $conflicts = false)
    {
        $dep =
            array(
                'name' => $name,
            );
        if ($channel) {
            $dep['channel'] = $channel;
        } elseif ($uri) {
            $dep['uri'] = $uri;
        }
        if ($min) {
            $dep['min'] = $min;
        }
        if ($max) {
            $dep['max'] = $max;
        }
        if ($recommended) {
            $dep['recommended'] = $recommended;
        }
        if ($exclude) {
            if (is_array($exclude) && count($exclude) == 1) {
                $exclude = $exclude[0];
            }
            $dep['exclude'] = $exclude;
        }
        if ($conflicts) {
            $dep['conflicts'] = '';
        }
        if ($nodefault) {
            $dep['nodefault'] = '';
        }
        if ($providesextension) {
            $dep['providesextension'] = $providesextension;
        }
        return $dep;
    }

    /**
     * @param package|subpackage
     * @param string group name
     * @param string package name
     * @param string package channel
     * @param string minimum version
     * @param string maximum version
     * @param string recommended version
     * @param array|false optional excluded versions
     * @param string extension this package provides, if any
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     * @return bool false if the dependency group has not been initialized with
     *              {@link addDependencyGroup()}, or a subpackage is added with
     *              a providesextension
     */
    function addGroupPackageDepWithChannel($type, $groupname, $name, $channel, $min = false,
                                      $max = false, $recommended = false, $exclude = false,
                                      $providesextension = false, $nodefault = false)
    {
        if ($type == 'subpackage' && $providesextension) {
            return false; // subpackages must be php packages
        }
        $dep = $this->_constructDep($name, $channel, false, $min, $max, $recommended, $exclude,
            $providesextension, $nodefault);
        return $this->_addGroupDependency($type, $dep, $groupname);
    }

    /**
     * @param package|subpackage
     * @param string group name
     * @param string package name
     * @param string package uri
     * @param string extension this package provides, if any
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     * @return bool false if the dependency group has not been initialized with
     *              {@link addDependencyGroup()}
     */
    function addGroupPackageDepWithURI($type, $groupname, $name, $uri, $providesextension = false,
                                       $nodefault = false)
    {
        if ($type == 'subpackage' && $providesextension) {
            return false; // subpackages must be php packages
        }
        $dep = $this->_constructDep($name, false, $uri, false, false, false, false,
            $providesextension, $nodefault);
        return $this->_addGroupDependency($type, $dep, $groupname);
    }

    /**
     * @param string group name (must be pre-existing)
     * @param string extension name
     * @param string minimum version allowed
     * @param string maximum version allowed
     * @param string recommended version
     * @param array incompatible versions
     */
    function addGroupExtensionDep($groupname, $name, $min = false, $max = false,
                                         $recommended = false, $exclude = false)
    {
        $this->_isValid = 0;
        $dep = $this->_constructDep($name, false, false, $min, $max, $recommended, $exclude);
        return $this->_addGroupDependency('extension', $dep, $groupname);
    }

    /**
     * @param package|subpackage|extension
     * @param array dependency contents
     * @param string name of the dependency group to add this to
     * @return boolean
     * @access private
     */
    function _addGroupDependency($type, $dep, $groupname)
    {
        $arr = array('subpackage', 'extension');
        if ($type != 'package') {
            array_shift($arr);
        }
        if ($type == 'extension') {
            array_shift($arr);
        }
        if (!isset($this->_packageInfo['dependencies']['group'])) {
            return false;
        } else {
            if (!isset($this->_packageInfo['dependencies']['group'][0])) {
                if ($this->_packageInfo['dependencies']['group']['attribs']['name'] == $groupname) {
                    $this->_packageInfo['dependencies']['group'] = $this->_mergeTag(
                        $this->_packageInfo['dependencies']['group'], $dep,
                        array(
                            $type => $arr
                        ));
                    $this->_isValid = 0;
                    return true;
                } else {
                    return false;
                }
            } else {
                foreach ($this->_packageInfo['dependencies']['group'] as $i => $group) {
                    if ($group['attribs']['name'] == $groupname) {
                    $this->_packageInfo['dependencies']['group'][$i] = $this->_mergeTag(
                        $this->_packageInfo['dependencies']['group'][$i], $dep,
                        array(
                            $type => $arr
                        ));
                        $this->_isValid = 0;
                        return true;
                    }
                }
                return false;
            }
        }
    }

    /**
     * @param optional|required
     * @param string package name
     * @param string package channel
     * @param string minimum version
     * @param string maximum version
     * @param string recommended version
     * @param string extension this package provides, if any
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     * @param array|false optional excluded versions
     */
    function addPackageDepWithChannel($type, $name, $channel, $min = false, $max = false,
                                      $recommended = false, $exclude = false,
                                      $providesextension = false, $nodefault = false)
    {
        if (!in_array($type, array('optional', 'required'), true)) {
            $type = 'required';
        }
        $this->_isValid = 0;
        $arr = array('optional', 'group');
        if ($type != 'required') {
            array_shift($arr);
        }
        $dep = $this->_constructDep($name, $channel, false, $min, $max, $recommended, $exclude,
            $providesextension, $nodefault);
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                $type => $arr,
                'package' => array('subpackage', 'extension', 'os', 'arch')
            ));
    }

    /**
     * @param optional|required
     * @param string name of the package
     * @param string uri of the package
     * @param string extension this package provides, if any
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     */
    function addPackageDepWithUri($type, $name, $uri, $providesextension = false,
                                  $nodefault = false)
    {
        $this->_isValid = 0;
        $arr = array('optional', 'group');
        if ($type != 'required') {
            array_shift($arr);
        }
        $dep = $this->_constructDep($name, false, $uri, false, false, false, false,
            $providesextension, $nodefault);
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                $type => $arr,
                'package' => array('subpackage', 'extension', 'os', 'arch')
            ));
    }

    /**
     * @param optional|required optional, required
     * @param string package name
     * @param string package channel
     * @param string minimum version
     * @param string maximum version
     * @param string recommended version
     * @param array incompatible versions
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     */
    function addSubpackageDepWithChannel($type, $name, $channel, $min = false, $max = false,
                                         $recommended = false, $exclude = false,
                                         $nodefault = false)
    {
        $this->_isValid = 0;
        $arr = array('optional', 'group');
        if ($type != 'required') {
            array_shift($arr);
        }
        $dep = $this->_constructDep($name, $channel, false, $min, $max, $recommended, $exclude,
            $nodefault);
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                $type => $arr,
                'subpackage' => array('extension', 'os', 'arch')
            ));
    }

    /**
     * @param optional|required optional, required
     * @param string package name
     * @param string package uri for download
     * @param bool if true, tells the installer to ignore the default optional dependency group
     *             when installing this package
     */
    function addSubpackageDepWithUri($type, $name, $uri, $nodefault = false)
    {
        $this->_isValid = 0;
        $arr = array('optional', 'group');
        if ($type != 'required') {
            array_shift($arr);
        }
        $dep = $this->_constructDep($name, false, $uri, false, false, false, false, $nodefault);
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                $type => $arr,
                'subpackage' => array('extension', 'os', 'arch')
            ));
    }

    /**
     * @param optional|required optional, required
     * @param string extension name
     * @param string minimum version
     * @param string maximum version
     * @param string recommended version
     * @param array incompatible versions
     */
    function addExtensionDep($type, $name, $min = false, $max = false, $recommended = false,
                             $exclude = false)
    {
        $this->_isValid = 0;
        $arr = array('optional', 'group');
        if ($type != 'required') {
            array_shift($arr);
        }
        $dep = $this->_constructDep($name, false, false, $min, $max, $recommended, $exclude);
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                $type => $arr,
                'extension' => array('os', 'arch')
            ));
    }

    /**
     * @param string Operating system name
     * @param boolean true if this package cannot be installed on this OS
     */
    function addOsDep($name, $conflicts = false)
    {
        $this->_isValid = 0;
        $dep = array('name' => $name);
        if ($conflicts) {
            $dep['conflicts'] = '';
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'required' => array('optional', 'group'),
                'os' => array('arch')
            ));
    }

    /**
     * @param string Architecture matching pattern
     * @param boolean true if this package cannot be installed on this architecture
     */
    function addArchDep($pattern, $conflicts = false)
    {
        $this->_isValid = 0;
        $dep = array('pattern' => $pattern);
        if ($conflicts) {
            $dep['conflicts'] = '';
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
            array(
                'dependencies' => array('providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
                'required' => array('optional', 'group'),
                'arch' => array()
            ));
    }

    /**
     * Set the kind of package, and erase all release tags
     *
     * - a php package is a PEAR-style package
     * - an extbin package is a PECL-style extension binary
     * - an extsrc package is a PECL-style source for a binary
     * - an zendextbin package is a PECL-style zend extension binary
     * - an zendextsrc package is a PECL-style source for a zend extension binary
     * - a bundle package is a collection of other pre-packaged packages
     * @param php|extbin|extsrc|zendextsrc|zendextbin|bundle
     * @return bool success
     */
    function setPackageType($type)
    {
        $this->_isValid = 0;
        if (!in_array($type, array('php', 'extbin', 'extsrc', 'zendextsrc',
                                   'zendextbin', 'bundle'))) {
            return false;
        }

        if (in_array($type, array('zendextsrc', 'zendextbin'))) {
            $this->_setPackageVersion2_1();
        }

        if ($type != 'bundle') {
            $type .= 'release';
        }

        foreach (array('phprelease', 'extbinrelease', 'extsrcrelease',
                       'zendextsrcrelease', 'zendextbinrelease', 'bundle') as $test) {
            unset($this->_packageInfo[$test]);
        }

        if (!isset($this->_packageInfo[$type])) {
            // ensure that the release tag is set up
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, array('changelog'),
                array(), $type);
        }

        $this->_packageInfo[$type] = array();
        return true;
    }

    /**
     * @return bool true if package type is set up
     */
    function addRelease()
    {
        if ($type = $this->getPackageType()) {
            if ($type != 'bundle') {
                $type .= 'release';
            }
            $this->_packageInfo = $this->_mergeTag($this->_packageInfo, array(),
                array($type => array('changelog')));
            return true;
        }
        return false;
    }

    /**
     * Get the current release tag in order to add to it
     * @param bool returns only releases that have installcondition if true
     * @return array|null
     */
    function &_getCurrentRelease($strict = true)
    {
        if ($p = $this->getPackageType()) {
            if ($strict) {
                if ($p == 'extsrc' || $p == 'zendextsrc') {
                    $a = null;
                    return $a;
                }
            }
            if ($p != 'bundle') {
                $p .= 'release';
            }
            if (isset($this->_packageInfo[$p][0])) {
                return $this->_packageInfo[$p][count($this->_packageInfo[$p]) - 1];
            } else {
                return $this->_packageInfo[$p];
            }
        } else {
            $a = null;
            return $a;
        }
    }

    /**
     * Add a file to the current release that should be installed under a different name
     * @param string <contents> path to file
     * @param string name the file should be installed as
     */
    function addInstallAs($path, $as)
    {
        $r = &$this->_getCurrentRelease();
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        $r = $this->_mergeTag($r, array('attribs' => array('name' => $path, 'as' => $as)),
            array(
                'filelist' => array(),
                'install' => array('ignore')
            ));
    }

    /**
     * Add a file to the current release that should be ignored
     * @param string <contents> path to file
     * @return bool success of operation
     */
    function addIgnore($path)
    {
        $r = &$this->_getCurrentRelease();
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        $r = $this->_mergeTag($r, array('attribs' => array('name' => $path)),
            array(
                'filelist' => array(),
                'ignore' => array()
            ));
    }

    /**
     * Add an extension binary package for this extension source code release
     *
     * Note that the package must be from the same channel as the extension source package
     * @param string
     */
    function addBinarypackage($package)
    {
        if ($this->getPackageType() != 'extsrc' && $this->getPackageType() != 'zendextsrc') {
            return false;
        }
        $r = &$this->_getCurrentRelease(false);
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        $r = $this->_mergeTag($r, $package,
            array(
                'binarypackage' => array('filelist'),
            ));
    }

    /**
     * Add a configureoption to an extension source package
     * @param string
     * @param string
     * @param string
     */
    function addConfigureOption($name, $prompt, $default = null)
    {
        if ($this->getPackageType() != 'extsrc' && $this->getPackageType() != 'zendextsrc') {
            return false;
        }

        $r = &$this->_getCurrentRelease(false);
        if ($r === null) {
            return false;
        }

        $opt = array('attribs' => array('name' => $name, 'prompt' => $prompt));
        if ($default !== null) {
            $opt['attribs']['default'] = $default;
        }

        $this->_isValid = 0;
        $r = $this->_mergeTag($r, $opt,
            array(
                'configureoption' => array('binarypackage', 'filelist'),
            ));
    }

    /**
     * Set an installation condition based on php version for the current release set
     * @param string minimum version
     * @param string maximum version
     * @param false|array incompatible versions of PHP
     */
    function setPhpInstallCondition($min, $max, $exclude = false)
    {
        $r = &$this->_getCurrentRelease();
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        if (isset($r['installconditions']['php'])) {
            unset($r['installconditions']['php']);
        }
        $dep = array('min' => $min, 'max' => $max);
        if ($exclude) {
            if (is_array($exclude) && count($exclude) == 1) {
                $exclude = $exclude[0];
            }
            $dep['exclude'] = $exclude;
        }
        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('configureoption', 'binarypackage',
                        'filelist'),
                    'php' => array('extension', 'os', 'arch')
                ));
        } else {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('filelist'),
                    'php' => array('extension', 'os', 'arch')
                ));
        }
    }

    /**
     * @param optional|required optional, required
     * @param string extension name
     * @param string minimum version
     * @param string maximum version
     * @param string recommended version
     * @param array incompatible versions
     */
    function addExtensionInstallCondition($name, $min = false, $max = false, $recommended = false,
                                          $exclude = false)
    {
        $r = &$this->_getCurrentRelease();
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        $dep = $this->_constructDep($name, false, false, $min, $max, $recommended, $exclude);
        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('configureoption', 'binarypackage',
                        'filelist'),
                    'extension' => array('os', 'arch')
                ));
        } else {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('filelist'),
                    'extension' => array('os', 'arch')
                ));
        }
    }

    /**
     * Set an installation condition based on operating system for the current release set
     * @param string OS name
     * @param bool whether this OS is incompatible with the current release
     */
    function setOsInstallCondition($name, $conflicts = false)
    {
        $r = &$this->_getCurrentRelease();
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        if (isset($r['installconditions']['os'])) {
            unset($r['installconditions']['os']);
        }
        $dep = array('name' => $name);
        if ($conflicts) {
            $dep['conflicts'] = '';
        }
        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('configureoption', 'binarypackage',
                        'filelist'),
                    'os' => array('arch')
                ));
        } else {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('filelist'),
                    'os' => array('arch')
                ));
        }
    }

    /**
     * Set an installation condition based on architecture for the current release set
     * @param string architecture pattern
     * @param bool whether this arch is incompatible with the current release
     */
    function setArchInstallCondition($pattern, $conflicts = false)
    {
        $r = &$this->_getCurrentRelease();
        if ($r === null) {
            return false;
        }
        $this->_isValid = 0;
        if (isset($r['installconditions']['arch'])) {
            unset($r['installconditions']['arch']);
        }
        $dep = array('pattern' => $pattern);
        if ($conflicts) {
            $dep['conflicts'] = '';
        }
        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('configureoption', 'binarypackage',
                        'filelist'),
                    'arch' => array()
                ));
        } else {
            $r = $this->_mergeTag($r, $dep,
                array(
                    'installconditions' => array('filelist'),
                    'arch' => array()
                ));
        }
    }

    /**
     * For extension binary releases, this is used to specify either the
     * static URI to a source package, or the package name and channel of the extsrc/zendextsrc
     * package it is based on.
     * @param string Package name, or full URI to source package (extsrc/zendextsrc type)
     */
    function setSourcePackage($packageOrUri)
    {
        $this->_isValid = 0;
        if (isset($this->_packageInfo['channel'])) {
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, array('phprelease',
                'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'bundle', 'changelog'),
                $packageOrUri, 'srcpackage');
        } else {
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, array('phprelease',
                'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
                'bundle', 'changelog'), $packageOrUri, 'srcuri');
        }
    }

    /**
     * Generate a valid change log entry from the current package.xml
     * @param string|false
     */
    function generateChangeLogEntry($notes = false)
    {
        return array(
            'version' =>
                array(
                    'release' => $this->getVersion('release'),
                    'api' => $this->getVersion('api'),
                    ),
            'stability' =>
                $this->getStability(),
            'date' => $this->getDate(),
            'license' => $this->getLicense(true),
            'notes' => $notes ? $notes : $this->getNotes()
            );
    }

    /**
     * @param string release version to set change log notes for
     * @param array output of {@link generateChangeLogEntry()}
     */
    function setChangelogEntry($releaseversion, $contents)
    {
        if (!isset($this->_packageInfo['changelog'])) {
            $this->_packageInfo['changelog']['release'] = $contents;
            return;
        }
        if (!isset($this->_packageInfo['changelog']['release'][0])) {
            if ($this->_packageInfo['changelog']['release']['version']['release'] == $releaseversion) {
                $this->_packageInfo['changelog']['release'] = array(
                    $this->_packageInfo['changelog']['release']);
            } else {
                $this->_packageInfo['changelog']['release'] = array(
                    $this->_packageInfo['changelog']['release']);
                return $this->_packageInfo['changelog']['release'][] = $contents;
            }
        }
        foreach($this->_packageInfo['changelog']['release'] as $index => $changelog) {
            if (isset($changelog['version']) &&
                  strnatcasecmp($changelog['version']['release'], $releaseversion) == 0) {
                $curlog = $index;
            }
        }
        if (isset($curlog)) {
            $this->_packageInfo['changelog']['release'][$curlog] = $contents;
        } else {
            $this->_packageInfo['changelog']['release'][] = $contents;
        }
    }

    /**
     * Remove the changelog entirely
     */
    function clearChangeLog()
    {
        unset($this->_packageInfo['changelog']);
    }
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