xref: /plugin/siteexport/syntax/toctools.php (revision 16367ea843cdeb6b1578affd9edde7c315b8b95d)

<?php
/**
 * Siteexport Plugin
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     i-net software <tools@inetsoftware.de>
 * @author     Gerry Weissbach <gweissbach@inetsoftware.de>
 */

if (!defined('DOKU_INC')) define('DOKU_INC', /** @scrutinizer ignore-type */ realpath(dirname(__FILE__) . '/../../') . '/');
if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
require_once(DOKU_PLUGIN . 'syntax.php');

/**
 * All DokuWiki plugins to extend the parser/rendering mechanism
 * need to inherit from this class
 */
class syntax_plugin_siteexport_toctools extends DokuWiki_Syntax_Plugin {

    protected $special_pattern = '<mergehint\b[^>\r\n]*?/>';
    protected $entry_pattern   = '<mergehint\b.*?>(?=.*?</mergehint>)';
    protected $exit_pattern    = '</mergehint>';

    public function getType(){ return 'substition';}
    public function getAllowedTypes() { return array('container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs'); }
    public function getPType(){ return 'stack';}
    public function getSort(){ return 999; }

    /**
     * Connect pattern to lexer
     */
    public function connectTo($mode) {
        $this->Lexer->addSpecialPattern($this->special_pattern,$mode,'plugin_siteexport_toctools');
        $this->Lexer->addEntryPattern($this->entry_pattern,$mode,'plugin_siteexport_toctools');
    }

    public function postConnect() {
        $this->Lexer->addExitPattern($this->exit_pattern, 'plugin_siteexport_toctools');
    }

    private function findPreviousSectionOpen( Doku_Handler $handler ) {
        foreach( array_reverse( $handler->calls ) as $call ) {
            if ( $calls[0] == 'section_open' ) {
                return $calls[1][0];
            }
        }
        return 1;
    }

    private function addInstructionstoHandler( $match, $state, $pos, Doku_Handler $handler, $instructions ) {

        if ($handler->getStatus('section')) {
            $handler->_addCall('section_close', array(), $pos);
        }

        // We need to add the current plugin first and then open the section again.
        $level = $this->findPreviousSectionOpen( $handler );
        $handler->_addCall('plugin', array('siteexport_toctools', $instructions, $state), $pos);
        $handler->_addCall('section_open', array($level), $pos+strlen($match) );
    }

    /**
     * Handle the match
     */
    public function handle($match, $state, $pos, Doku_Handler $handler){
        global $conf;
        switch ($state) {
            case DOKU_LEXER_ENTER:
            case DOKU_LEXER_SPECIAL:
                $data = trim(substr($match,strpos($match,' '),-1)," \t\n/");
                $this->addInstructionstoHandler( $match, $state, $pos, $handler, array('mergehint', 'start', $data, sectionid( $data ) ) );
                break;
            case DOKU_LEXER_UNMATCHED:
                $handler->_addCall('cdata', array($match), $pos);
                break;
            case DOKU_LEXER_EXIT:
                $this->addInstructionstoHandler( $match, $state, $pos, $handler, array('mergehint', 'end', 'syntax' ) );
                break;
        }
        return false;
    }

    /**
     * Create output
     */
    public function render($mode, Doku_Renderer $renderer, $data) {
        if ($mode == 'xhtml') {
            list( $type, $pos, $title, $id ) = $data;
            if ( $type == 'mergehint' ) {
                if ( $pos == 'start' ) {
                    $renderer->doc .= '<!-- MergeHint Start for "' . $title . '" -->';
                    $renderer->doc .= '<div id="' . $id . '" class="siteexport mergehintwrapper"><aside class="mergehint">' . $title . '</aside><div class="mergehintcontent">';
                } else {
                    $renderer->doc .= '</div></div>';
                    $renderer->doc .= '<!-- MergeHint End for "' . $title . '" -->';
                }
            } else {
                $renderer->doc .= "<br style=\"page-break-after:always;\" />";
            }
            return true;
        }
        return false;
    }
}

//Setup VIM: ex: et ts=4 enc=utf-8 :