1<?php
2/**
3 * Siteexport Plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     i-net software <tools@inetsoftware.de>
7 * @author     Gerry Weissbach <gweissbach@inetsoftware.de>
8 */
9
10if (!defined('DOKU_INC')) define('DOKU_INC', /** @scrutinizer ignore-type */ realpath(dirname(__FILE__) . '/../../') . '/');
11if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
12
13/**
14 * All DokuWiki plugins to extend the parser/rendering mechanism
15 * need to inherit from this class
16 */
17class syntax_plugin_siteexport_toctools extends DokuWiki_Syntax_Plugin {
18
19    protected $special_pattern = '<mergehint\b[^>\r\n]*?/>';
20    protected $entry_pattern   = '<mergehint\b.*?>(?=.*?</mergehint>)';
21    protected $exit_pattern    = '</mergehint>';
22
23    private $checkArray = array();
24
25    public function getType(){ return 'substition';}
26    public function getAllowedTypes() { return array('container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs'); }
27    public function getPType(){ return 'stack';}
28    public function getSort(){ return 999; }
29
30    /**
31     * Connect pattern to lexer
32     */
33    public function connectTo($mode) {
34        $this->Lexer->addSpecialPattern($this->special_pattern,$mode,'plugin_siteexport_toctools');
35        $this->Lexer->addEntryPattern($this->entry_pattern,$mode,'plugin_siteexport_toctools');
36    }
37
38    public function postConnect() {
39        $this->Lexer->addExitPattern($this->exit_pattern, 'plugin_siteexport_toctools');
40    }
41
42    private function findPreviousSectionOpen( Doku_Handler $handler ) {
43        foreach( array_reverse( $handler->calls ) as $calls ) {
44            if ( $calls[0] == 'section_open' ) {
45                return $calls[1][0];
46            }
47        }
48        return 1;
49    }
50
51    private function addInstructionstoHandler( $match, $state, $pos, Doku_Handler $handler, $instructions ) {
52
53        // Switch for DW Hogfather+
54        if ( ( method_exists( $handler, 'getStatus') && $handler->getStatus('section') ) || $handler->status['section'] ) {
55            $handler->_addCall('section_close', array(), $pos);
56        }
57
58        // We need to add the current plugin first and then open the section again.
59        $level = $this->findPreviousSectionOpen( $handler );
60        $handler->_addCall('plugin', array('siteexport_toctools', $instructions, $state), $pos);
61        $handler->_addCall('section_open', array($level), $pos+strlen($match) );
62    }
63
64    /**
65     * Handle the match
66     */
67    public function handle($match, $state, $pos, Doku_Handler $handler){
68        global $conf;
69        switch ($state) {
70            case DOKU_LEXER_ENTER:
71            case DOKU_LEXER_SPECIAL:
72                $data = trim(substr($match,strpos($match,' '),-1)," \t\n/");
73                $this->addInstructionstoHandler( $match, $state, $pos, $handler, array('mergehint', 'start', $data, sectionID( $data, $this->checkArray ) ) );
74                break;
75            case DOKU_LEXER_UNMATCHED:
76                $handler->_addCall('cdata', array($match), $pos);
77                break;
78            case DOKU_LEXER_EXIT:
79                $this->addInstructionstoHandler( $match, $state, $pos, $handler, array('mergehint', 'end', 'syntax' ) );
80                break;
81        }
82        return false;
83    }
84
85    /**
86     * Create output
87     */
88    public function render($mode, Doku_Renderer $renderer, $data) {
89
90        list( $type, $pos, $title, $id ) = $data;
91        if ($mode == 'xhtml') {
92            if ( $type == 'mergehint' ) {
93
94                $startHint = '<!-- MergeHint Start for "';
95                $lastDiv = '<div class="mergehintcontent">';
96
97                if ( $pos == 'start' ) {
98                    $renderer->doc .= $startHint . $title . '" -->';
99                    $renderer->doc .= '<div id="' . $id . '" class="siteexport mergehintwrapper"><aside class="mergehint">' . $title . '</aside>' . $lastDiv;
100                } else {
101
102                    // check if anything was inserted. We have to strip all tags,
103                    // we're just looking for real content here
104                    $lastPos = strrpos($renderer->doc, $lastDiv);
105                    if ( $lastPos !== false ) {
106
107                        $remaining = substr( $renderer->doc, $lastPos + strlen($lastDiv) );
108                        $remaining = strip_tags( $remaining );
109                        $remaining = trim($remaining);
110                        if ( strlen( $remaining ) == 0 ) {
111                            // empty
112                            $lastPos = strrpos($renderer->doc, $startHint);
113                            $renderer->doc = substr($renderer->doc, 0, $lastPos);
114                            return true;
115                        }
116                    }
117
118                    $renderer->doc .= '</div></div>';
119                    $renderer->doc .= '<!-- MergeHint End for "' . $title . '" -->';
120                }
121            } else {
122                $renderer->doc .= "<br style=\"page-break-after:always;\" />";
123            }
124            return true;
125        } else if ( $mode = 'markdown' && $type == 'mergehint' && $pos == 'start' ) {
126            $renderer->doc .= DOKU_LF . '##### ' . $title . DOKU_LF;
127            return true;
128        }
129        return false;
130    }
131}
132
133//Setup VIM: ex: et ts=4 enc=utf-8 :