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.\" Automatically generated by Pod::Man 2.27 (Pod::Simple 3.28) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \(-- will .\" give an unbreakable dash, \(PI will give pi, \(L" will give a left .\" double quote, and \(R" will give a right double quote. \(C+ will .\" give a nicer C++. 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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" HTML::Tree \- build and scan parse\-trees of HTML .SH "VERSION" .IX Header "VERSION" This document describes version 5.07 of HTML::Tree, released August 31, 2017 as part of HTML-Tree. .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 3 \& use HTML::TreeBuilder; \& my $tree = HTML::TreeBuilder\->new(); \& $tree\->parse_file($filename); \& \& # Then do something with the tree, using HTML::Element \& # methods \-\- for example: \& \& $tree\->dump \& \& # Finally: \& \& $tree\->delete; .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" HTML-Tree is a suite of Perl modules for making parse trees out of \&\s-1HTML\s0 source. It consists of mainly two modules, whose documentation you should refer to: HTML::TreeBuilder and HTML::Element. .PP HTML::TreeBuilder is the module that builds the parse trees. (It uses HTML::Parser to do the work of breaking the \s-1HTML\s0 up into tokens.) .PP The tree that TreeBuilder builds for you is made up of objects of the class HTML::Element. .PP If you find that you do not properly understand the documentation for HTML::TreeBuilder and HTML::Element, it may be because you are unfamiliar with tree-shaped data structures, or with object-oriented modules in general. Sean Burke has written some articles for \&\fIThe Perl Journal\fR (\f(CW\(C`www.tpj.com\(C'\fR) that seek to provide that background. The full text of those articles is contained in this distribution, as: .IP "HTML::Tree::AboutObjects" 4 .IX Item "HTML::Tree::AboutObjects" \&\(L"User's View of Object-Oriented Modules\(R" from \s-1TPJ17.\s0 .IP "HTML::Tree::AboutTrees" 4 .IX Item "HTML::Tree::AboutTrees" \&\(L"Trees\(R" from \s-1TPJ18\s0 .IP "HTML::Tree::Scanning" 4 .IX Item "HTML::Tree::Scanning" \&\(L"Scanning \s-1HTML\(R"\s0 from \s-1TPJ19\s0 .PP Readers already familiar with object-oriented modules and tree-shaped data structures should read just the last article. Readers without that background should read the first, then the second, and then the third. .SH "METHODS" .IX Header "METHODS" All these methods simply redirect to the corresponding method in HTML::TreeBuilder. It's more efficient to use HTML::TreeBuilder directly, and skip loading HTML::Tree at all. .SS "new" .IX Subsection "new" Redirects to \(L"new\(R" in HTML::TreeBuilder. .SS "new_from_file" .IX Subsection "new_from_file" Redirects to \(L"new_from_file\(R" in HTML::TreeBuilder. .SS "new_from_content" .IX Subsection "new_from_content" Redirects to \(L"new_from_content\(R" in HTML::TreeBuilder. .SS "new_from_url" .IX Subsection "new_from_url" Redirects to \(L"new_from_url\(R" in HTML::TreeBuilder. .SH "SUPPORT" .IX Header "SUPPORT" You can find documentation for this module with the perldoc command. .PP .Vb 1 \& perldoc HTML::Tree \& \& You can also look for information at: .Ve .IP "\(bu" 4 AnnoCPAN: Annotated \s-1CPAN\s0 documentation .Sp <http://annocpan.org/dist/HTML\-Tree> .IP "\(bu" 4 \&\s-1CPAN\s0 Ratings .Sp <http://cpanratings.perl.org/d/HTML\-Tree> .IP "\(bu" 4 \&\s-1RT: CPAN\s0's request tracker .Sp <http://rt.cpan.org/NoAuth/Bugs.html?Dist=HTML\-Tree> .IP "\(bu" 4 Search \s-1CPAN\s0 .Sp <http://search.cpan.org/dist/HTML\-Tree> .IP "\(bu" 4 Stack Overflow .Sp <http://stackoverflow.com/questions/tagged/html\-tree> .Sp If you have a question about how to use HTML-Tree, Stack Overflow is the place to ask it. Make sure you tag it both \f(CW\(C`perl\(C'\fR and \f(CW\(C`html\-tree\(C'\fR. .SH "SEE ALSO" .IX Header "SEE ALSO" HTML::TreeBuilder, HTML::Element, HTML::Tagset, HTML::Parser, HTML::DOMbo .PP The book \fIPerl & \s-1LWP\s0\fR by Sean M. Burke published by O'Reilly and Associates, 2002. \s-1ISBN: 0\-596\-00178\-9\s0 .PP It has several chapters to do with \s-1HTML\s0 processing in general, and HTML-Tree specifically. There's more info at: .PP .Vb 1 \& http://www.oreilly.com/catalog/perllwp/ \& \& http://www.amazon.com/exec/obidos/ASIN/0596001789 .Ve .SH "SOURCE REPOSITORY" .IX Header "SOURCE REPOSITORY" HTML-Tree is now maintained using Git. The main public repository is <https://github.com/kentfredric/HTML\-Tree>. .PP The best way to send a patch is to make a pull request there. .SH "ACKNOWLEDGEMENTS" .IX Header "ACKNOWLEDGEMENTS" Thanks to Gisle Aas, Sean Burke and Andy Lester for their original work. .PP Thanks to Chicago Perl Mongers (http://chicago.pm.org) for their patches submitted to HTML::Tree as part of the Phalanx project (http://qa.perl.org/phalanx). .PP Thanks to the following people for additional patches and documentation: Terrence Brannon, Gordon Lack, Chris Madsen and Ricardo Signes. .SH "AUTHOR" .IX Header "AUTHOR" Current maintainers: .IP "\(bu" 4 Christopher J. Madsen \f(CW\(C`<perl\ AT\ cjmweb.net>\(C'\fR .IP "\(bu" 4 Jeff Fearn \f(CW\(C`<jfearn\ AT\ cpan.org>\(C'\fR .PP Original HTML-Tree author: .IP "\(bu" 4 Gisle Aas .PP Former maintainers: .IP "\(bu" 4 Sean M. Burke .IP "\(bu" 4 Andy Lester .IP "\(bu" 4 Pete Krawczyk \f(CW\(C`<petek\ AT\ cpan.org>\*(C'\fR .PP You can follow or contribute to HTML-Tree's development at <https://github.com/kentfredric/HTML\-Tree>. .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" Copyright 1995\-1998 Gisle Aas, 1999\-2004 Sean M. Burke, 2005 Andy Lester, 2006 Pete Krawczyk, 2010 Jeff Fearn, 2012 Christopher J. Madsen. (Except the articles contained in HTML::Tree::AboutObjects, HTML::Tree::AboutTrees, and HTML::Tree::Scanning, which are all copyright 2000 The Perl Journal.) .PP Except for those three \s-1TPJ\s0 articles, the whole HTML-Tree distribution, of which this file is a part, is free software; you can redistribute it and/or modify it under the same terms as Perl itself. .PP Those three \s-1TPJ\s0 articles may be distributed under the same terms as Perl itself. .PP The programs in this library are distributed in the hope that they will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.

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