<?php
/**
 * DokuWiki Plugin randomquote (Syntax Component)
 *
 * @license MIT License
 * @author  Ingo Kleiber <ingo@kleiber.me>
 */

// must be run within Dokuwiki
if (!defined('DOKU_INC')) die();

class syntax_plugin_randomquote extends DokuWiki_Syntax_Plugin {
    /**
     * @return string Syntax mode type
     */
    public function getType() {
        return 'protected';
    }
    /**
     * @return string Paragraph type
     */
    public function getPType() {
        return 'stack';
    }
    /**
     * @return int Sort order - Low numbers go before high numbers
     */
    public function getSort() {
        return 322;
    }

    /**
     * Connect lookup pattern to lexer.
     *
     * @param string $mode Parser mode
     */
    public function connectTo($mode) {
        $this->Lexer->addSpecialPattern('<randomquote>',$mode,'plugin_randomquote');
    }

    /**
     * Handle matches of the randomquote syntax
     *
     * @param string $match The match of the syntax
     * @param int    $state The state of the handler
     * @param int    $pos The position in the document
     * @param Doku_Handler    $handler The handler
     * @return array Data for the renderer
     */
    public function handle($match, $state, $pos, Doku_Handler $handler){
        return $match;
    }

    /**
     * Render xhtml output or metadata
     *
     * @param string         $mode      Renderer mode (supported modes: xhtml)
     * @param Doku_Renderer  $renderer  The renderer
     * @param array          $data      The data from the handler() function
     * @return bool If rendering was successful.
     */
    public function render($mode, Doku_Renderer $renderer, $data) {
        if($mode != 'xhtml') return false;
        $quotes = file('./lib/plugins/randomquote/quotes.txt', FILE_IGNORE_NEW_LINES);

        $renderer->doc .= '<div class="randomquote">"'.$quotes[rand(0,sizeof($quotes)-1)].'"</div>';
        return true;
    }
}