72 lines
1.8 KiB
PHP
72 lines
1.8 KiB
PHP
<?php
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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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/**
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* @type string
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*/
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public $name = 'PurifierLinkify';
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/**
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* @type string
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*/
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public $docURL;
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/**
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* @type array
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*/
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public $needed = array('a' => array('href'));
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/**
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return string
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*/
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public function prepare($config, $context)
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{
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$this->docURL = $config->get('AutoFormat.PurifierLinkify.DocURL');
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return parent::prepare($config, $context);
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}
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/**
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* @param HTMLPurifier_Token $token
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*/
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public function handleText(&$token)
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{
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if (!$this->allowsElement('a')) {
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return;
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}
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if (strpos($token->data, '%') === false) {
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return;
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}
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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[$i] === '') {
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continue;
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}
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$token[] = new HTMLPurifier_Token_Text($bits[$i]);
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} else {
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$token[] = new HTMLPurifier_Token_Start(
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'a',
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array('href' => str_replace('%s', $bits[$i], $this->docURL))
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);
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$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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// vim: et sw=4 sts=4
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