mirror of
https://github.com/ezyang/htmlpurifier.git
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7a9d39ddcc
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@121 48356398-32a2-884e-a903-53898d9a118a
179 lines
6.0 KiB
PHP
179 lines
6.0 KiB
PHP
<?php
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require_once 'HTMLPurifier/AttrDef.php';
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require_once 'HTMLPurifier/ChildDef.php';
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require_once 'HTMLPurifier/Generator.php';
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require_once 'HTMLPurifier/Token.php';
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class HTMLPurifier_Definition
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{
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var $generator;
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var $info = array();
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var $info_closes_p = array(
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// these are all block elements: blocks aren't allowed in P
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'address' => true,
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'blockquote' => true,
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'dd' => true,
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'dir' => true,
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'div' => true,
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'dl' => true,
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'dt' => true,
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'h1' => true,
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'h2' => true,
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'h3' => true,
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'h4' => true,
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'h5' => true,
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'h6' => true,
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'hr' => true,
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'ol' => true,
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'p' => true,
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'pre' => true,
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'table' => true,
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'ul' => true
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);
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function instance() {
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static $instance = null;
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if (!$instance) {
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$instance = new HTMLPurifier_Definition();
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$instance->setup();
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}
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return $instance;
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}
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function HTMLPurifier_Definition() {}
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function setup() {
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// emulates the structure of the DTD
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// entities: prefixed with e_ and _ replaces .
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// we don't use an array because that complicates interpolation
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// strings are used instead of arrays because if you use arrays,
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// you have to do some hideous manipulation with array_merge()
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// these are condensed, remember, with bad stuff taken out
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// transforms: font, menu, dir, center
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// DON'T MONKEY AROUND THIS unless you know what you are doing
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// and also know the assumptions the code makes about what this
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// contains for optimization purposes (see fixNesting)
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$e_special_extra = 'img';
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$e_special_basic = 'br | span | bdo';
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$e_special = "$e_special_basic | $e_special_extra";
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$e_fontstyle_extra = 'big | small';
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$e_fontstyle_basic = 'tt | i | b | u | s | strike';
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$e_fontstyle = "$e_fontstyle_basic | $e_fontstyle_extra";
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$e_phrase_extra = 'sub | sup';
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$e_phrase_basic = 'em | strong | dfn | code | q | samp | kbd | var'.
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' | cite | abbr | acronym';
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$e_phrase = "$e_phrase_basic | $e_phrase_extra";
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$e_inline_forms = ''; // humor the dtd
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$e_misc_inline = 'ins | del';
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$e_misc = "$e_misc_inline";
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$e_inline = "a | $e_special | $e_fontstyle | $e_phrase".
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" | $e_inline_forms";
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// note the casing
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$e_Inline = new HTMLPurifier_ChildDef_Optional("#PCDATA | $e_inline".
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" | $e_misc_inline");
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$e_heading = 'h1|h2|h3|h4|h5|h6';
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$e_lists = 'ul | ol | dl';
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$e_blocktext = 'pre | hr | blockquote | address';
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$e_block = "p | $e_heading | div | $e_lists | $e_blocktext | table";
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$e_Flow = new HTMLPurifier_ChildDef_Optional("#PCDATA | $e_block".
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" | $e_inline | $e_misc");
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$e_a_content = new HTMLPurifier_ChildDef_Optional("#PCDATA | $e_special".
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" | $e_fontstyle | $e_phrase | $e_inline_forms | $e_misc_inline");
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$e_pre_content = new HTMLPurifier_ChildDef_Optional("#PCDATA | a".
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" | $e_special_basic | $e_fontstyle_basic | $e_phrase_basic".
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" | $e_inline_forms | $e_misc_inline");
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$e_form_content = new HTMLPurifier_ChildDef_Optional(''); //unused
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$e_form_button_content = new HTMLPurifier_ChildDef_Optional(''); // unused
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$this->info['ins'] =
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$this->info['del'] =
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$this->info['blockquote'] =
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$this->info['dd'] =
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$this->info['li'] =
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$this->info['div'] = new HTMLPurifier_ElementDef($e_Flow);
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$this->info['em'] =
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$this->info['strong'] =
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$this->info['dfn'] =
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$this->info['code'] =
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$this->info['samp'] =
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$this->info['kbd'] =
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$this->info['var'] =
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$this->info['code'] =
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$this->info['samp'] =
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$this->info['kbd'] =
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$this->info['var'] =
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$this->info['cite'] =
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$this->info['abbr'] =
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$this->info['acronym'] =
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$this->info['q'] =
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$this->info['sub'] =
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$this->info['tt'] =
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$this->info['sup'] =
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$this->info['i'] =
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$this->info['b'] =
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$this->info['big'] =
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$this->info['small'] =
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$this->info['u'] =
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$this->info['s'] =
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$this->info['strike'] =
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$this->info['bdo'] =
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$this->info['span'] =
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$this->info['dt'] =
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$this->info['p'] =
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$this->info['h1'] =
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$this->info['h2'] =
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$this->info['h3'] =
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$this->info['h4'] =
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$this->info['h5'] =
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$this->info['h6'] = new HTMLPurifier_ElementDef($e_Inline);
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$this->info['ol'] =
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$this->info['ul'] =
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new HTMLPurifier_ElementDef(
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new HTMLPurifier_ChildDef_Required('li')
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);
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$this->info['dl'] =
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new HTMLPurifier_ElementDef(
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new HTMLPurifier_ChildDef_Required('dt|dd')
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);
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$this->info['address'] =
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new HTMLPurifier_ElementDef(
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new HTMLPurifier_ChildDef_Optional("#PCDATA | p | $e_inline".
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" | $e_misc_inline")
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);
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$this->info['img'] =
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$this->info['br'] =
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$this->info['hr'] = new HTMLPurifier_ElementDef(new HTMLPurifier_ChildDef_Empty());
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$this->info['pre'] = new HTMLPurifier_ElementDef($e_pre_content);
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$this->info['a'] = new HTMLPurifier_ElementDef($e_a_content);
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}
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}
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class HTMLPurifier_ElementDef
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{
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var $child_def;
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var $attr_def = array();
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function HTMLPurifier_ElementDef($child_def, $attr_def = array()) {
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$this->child_def = $child_def;
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$this->attr_def = $attr_def;
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}
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}
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?>
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