=head1 NAME

jscreole - Parse Creole into DOM

=head1 SYNOPSIS

var creole = new creole({ interwiki: { MeatballWiki: 'http://www.usemod.com/cgi-bin/mb.pl?', TiddlyWiki: 'http://www.tiddlywiki.com/#', WikiCreole: 'http://www.wikicreole.org/wiki/', Palindrome: function(link) { return 'http://www.example.com/wiki/' + link.split('').reverse().join(''); } }, linkFormat: '#' });

var div = document.createElement('div'); creole.parse(div, "* This is [[Wikipedia:Wikitext|wikitext]]");

=head1 DESCRIPTION

This module implements Creole 1.0 parser, as defined by Lhttp://www.wikicreole.org/wiki/Creole1.0.

=head2 Options

=over

=item defaultImageText

Alternative text for an image with no alternative text

{{image.png}}

as opposed to empty alternative text

{{image.png|}}

Note that strict Creole 1.0 doesn't allow images with no alternative text.

=item interwiki

Interwiki map. Object properties' values are strings, arrays of one or two strings, or functions. The first string is a leading part of the URL. If the second string is given as well, it is a trailing part. If the value is a function, which takes a link identifier as an argument, its return value is the whole URL.

=item linkFormat

Internal links' format. Same format as in L<"interwiki">'s properties.

=item strict

Whether the parser is strict Creole 1.0. For constructor only, i. e. non-overridable in C method. A non-strict parser allows images in tables and images with no alternative text.

=back

=head1 NAME

creole._base - Parse text into DOM

=head1 SYNOPSIS

// Define grammar var g = { para: { _tag: 'p', _regex: /([ \t]\S.+((\r?\n|\r)[ \t]\S.))/, _capture: 0 } }; g._root = { _children: [ g.para ] };

// Create parser var parser = new creole._base(g);

// Parse var div = document.createElement('div'); parser.parse(div, 'para\n' + ' continues\n\n' + 'another para\n \n' + 'yet another para');

=head1 DESCRIPTION

This module implements a simple recursive descent parser using regular expressions for lexical analysis. The result is stored into a DOM object, that can be then put in a document or traversed using standard DOM API.

=head2 Parser

=over

=item new creole._base(grammar, options)

The constructor creates a new parser object given a grammar and options. The grammar is an object of any type, which must contain a root property, that also must be an object of any type. The root is cast to a type specified by C<this._ruleConstructor>, being C<creole._rule> by default. See L<"Rules"> for more info on defining rule objects.

Options are optional but if passed it must be an object. The only option available in C<creole._base> is C, which should be set C for Microsoft Internet Explorer compatibility. Derived objects and subinterfaces may extend the C object with their own options.

=item parse(node, data, options)

This method parses flat text data and creates a DOM tree inside a given node, which should be a Node object. If options are passed, they override those passed to the constructor. Options merge at the first depth, merging nested options is not supported.

=back

=head2 Rules

=over

=item _regex

A regular expression to match the input.

=item _capture

What should be captured for the output data: 0 for the whole matched substring, 1 and so on for corresponding capturing brackets. If not listed, data will be empty.

=item _replaceRegex

=item _replaceString

If set, captured data will be processed before output.

=item _tag

If set, captured data will be enclosed inside a new child element, otherwise they will be put in the current node.

=item _attrs

If set to an object, a new child element will have the given attributes.

=item _children

An array of grammar rules, which define possible child nodes.

=item _fallback

If there are chunks which don't match any child rule, they are being processed with this one.

=back

=head1 AUTHOR

Ivan Fomichev <F[email protected]>

=head1 COPYRIGHT

Copyright (c) 2008 Ivan Fomichev

Portions Copyright (c) 2007 Chris Purcell

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

=cut