mirror of
https://github.com/ezyang/htmlpurifier.git
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63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
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<?php
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require_once 'HTMLPurifier/Injector.php';
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HTMLPurifier_ConfigSchema::define(
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'AutoFormat', 'PurifierLinkify', false, 'bool', '
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<p>
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Internal auto-formatter that converts configuration directives in
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syntax <a>%Namespace.Directive</a> to links. This directive has been available
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since 2.0.1.
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</p>
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');
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HTMLPurifier_ConfigSchema::define(
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'AutoFormatParam', 'PurifierLinkifyDocURL', '#%s', 'string', '
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<p>
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Location of configuration documentation to link to, let %s substitute
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into the configuration\'s namespace and directive names sans the percent
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sign. This directive has been available since 2.0.1.
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</p>
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');
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/**
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* Injector that converts configuration directive syntax %Namespace.Directive
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* to links
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*/
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class HTMLPurifier_Injector_PurifierLinkify extends HTMLPurifier_Injector
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{
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var $docURL;
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function prepare($config, &$context) {
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parent::prepare($config, $context);
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$this->docURL = $config->get('AutoFormatParam', 'PurifierLinkifyDocURL');
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}
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function handleText(&$token, $config, &$context) {
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if (!$this->allowsElement('a')) return;
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if (strpos($token->data, '%') === false) return;
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$bits = preg_split('#%([a-z0-9]+\.[a-z0-9]+)#Si', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
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$token = array();
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// $i = index
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// $c = count
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// $l = is link
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for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
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if (!$l) {
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if ($bits[$i] === '') continue;
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$token[] = new HTMLPurifier_Token_Text($bits[$i]);
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} else {
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$token[] = new HTMLPurifier_Token_Start('a',
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array('href' => str_replace('%s', $bits[$i], $this->docURL)));
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$token[] = new HTMLPurifier_Token_Text('%' . $bits[$i]);
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$token[] = new HTMLPurifier_Token_End('a');
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}
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}
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}
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}
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