<?php
/**
 * DokuWiki Plugin struct (Syntax Component)
 *
 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
 * @author  Andreas Gohr, Michael Große <dokuwiki@cosmocode.de>
 */

// must be run within Dokuwiki
use plugin\struct\meta\ConfigParser;
use plugin\struct\meta\Search;
use plugin\struct\meta\SearchConfig;
use plugin\struct\meta\SearchException;
use plugin\struct\meta\StructException;

if (!defined('DOKU_INC')) die();

class syntax_plugin_struct_table extends DokuWiki_Syntax_Plugin {
    /**
     * @return string Syntax mode type
     */
    public function getType() {
        return 'substition';
    }
    /**
     * @return string Paragraph type
     */
    public function getPType() {
        return 'block';
    }
    /**
     * @return int Sort order - Low numbers go before high numbers
     */
    public function getSort() {
        return 155;
    }

    /**
     * Connect lookup pattern to lexer.
     *
     * @param string $mode Parser mode
     */
    public function connectTo($mode) {
        $this->Lexer->addSpecialPattern('----+ *struct table *-+\n.*?\n----+', $mode, 'plugin_struct_table');
    }


    /**
     * Handle matches of the struct 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){

        $lines = explode("\n", $match);
        array_shift($lines);
        array_pop($lines);

        try {
            $parser = new ConfigParser($lines);
            return  $parser->getConfig();
        } catch (StructException $e) {
            msg($e->getMessage(), -1, $e->getLine(), $e->getFile());
            return null;
        }
    }

    /**
     * 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;
        if(!$data) return false;

        try {
            $search = new SearchConfig($data);


            $sql = $search->getSQL();

            $renderer->doc = $sql;
        } catch (StructException $e) {
            msg($e->getMessage(), -1, $e->getLine(), $e->getFile());
        }


        return true;
    }
}

// vim:ts=4:sw=4:et: