48 lines
1.6 KiB
PHP
48 lines
1.6 KiB
PHP
<?php
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/**
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* Semantic plugin: Add Schema.org News Article using JSON-LD
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Giuseppe Di Terlizzi <giuseppe.diterlizzi@gmail.com>
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*/
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// must be run within Dokuwiki
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if (!defined('DOKU_INC')) die();
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if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
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class syntax_plugin_semantic extends DokuWiki_Syntax_Plugin {
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function getType() { return 'substition'; }
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function getSort() { return 99; }
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function connectTo($mode) {
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$this->Lexer->addSpecialPattern('~~NewsArticle~~', $mode, 'plugin_semantic');
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$this->Lexer->addSpecialPattern('~~Article~~', $mode, 'plugin_semantic');
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$this->Lexer->addSpecialPattern('~~TechArticle~~', $mode, 'plugin_semantic');
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$this->Lexer->addSpecialPattern('~~BlogPosting~~', $mode, 'plugin_semantic');
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$this->Lexer->addSpecialPattern('~~NOSEMANTIC~~', $mode, 'plugin_semantic');
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}
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function handle($match, $state, $pos, Doku_Handler $handler) {
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return array($match, $state, $pos);
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}
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function render($mode, Doku_Renderer $renderer, $data) {
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if ($mode == 'xthml') {
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return true; // don't output anything
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} elseif ($mode == 'metadata') {
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list($match, $state, $pos) = $data;
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if ($match == '~~NOSEMANTIC~~') {
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$renderer->meta['semantic']['enabled'] = false;
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} else {
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$renderer->meta['semantic']['schema.org']['type'] = trim(str_replace('Schema.org/', '', $match), '~~');
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$renderer->meta['semantic']['enabled'] = true;
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}
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}
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}
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}
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