xref: /plugin/siteexport/inc/toc.php (revision 3bda080d2216a97ca639125c1aac190a8201d0ce) 
1<?php
2
3if (!defined('DOKU_PLUGIN')) die('meh');
4
5class siteexport_toc
6{
7    private $emptyNSToc = true;
8    private $functions = null;
9    private $NS = null;
10    public $translation = null;
11
12    public function __construct($functions, $NS)
13    {
14        $this->doDebug = !empty($_REQUEST['tocDebug']);
15        $this->emptyNSToc = !empty($_REQUEST['emptyTocElem']);
16        $this->functions = $functions;
17        $this->NS = $NS;
18    }
19
20    private function shortenByTranslation(&$inputURL, $deepSearch = false)
21    {
22        // Mandatory: we allways want '/' insteadf of ':' here
23        $inputURL = str_replace(':', '/', $inputURL);
24        $checkArray = $this->translation ? $this->translation->translations : array(array_pop(explode(':', $this->NS)));
25
26        $url = explode('/', $inputURL);
27
28        for ($i = 0; $i < count($url); $i++)
29        {
30            if (in_array($url[$i], $checkArray))
31            {
32                // Rauswerfen und weg
33                $url[$i] = '';
34                break;
35            }
36
37            if (!$deepSearch)
38            {
39                break;
40            }
41
42            // Ok, remove anyway
43            $url[$i] = '';
44        }
45
46        $inputURL = implode('/', $url);
47        $inputURL = preg_replace("$\/+$", "/", $inputURL);
48
49        if (strlen($inputURL) > 0 && substr($inputURL, 0, 1) == '/')
50        {
51            $inputURL = substr($inputURL, 1);
52        }
53
54        return $inputURL;
55    }
56
57    /**
58     * Build the Java Documentation TOC XML
59     **/
60    public function __getJavaHelpTOCXML($DATA) {
61
62        if (count($DATA) == 0) {
63            return false;
64        }
65
66        $TOCXML = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<toc>";
67        $MAPXML = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<map version=\"1.0\">";
68        // usort($DATA, array($this, 'sortFunction'));
69
70        // Go through the pages
71        $CHECKDATA = array();
72        $nData = $DATA;
73        $DATA = array();
74        $check = array();
75        $startPageID = null;
76
77        foreach ( $nData as $elem )
78        {
79            // Check if available
80            $anchor = ( !empty($elem['anchor']) ? '#' . $elem['anchor'] : '' );
81            $elem['url'] = $this->functions->getSiteName($elem['id'], true); // Override - we need a clean name
82            $elem['mapURL'] = $elem['url'];
83            $this->shortenByTranslation($elem['url']);
84
85            // only add an url once
86            if ( in_array($elem['url'], $CHECKDATA) ) { continue; }
87
88            if ( !isset($elem['exists']) ) {
89                resolve_pageid(getNS($elem['id']),$elem['id'],$elem['exists']);
90                $this->functions->debug->message("EXISTS previously not set.", $elem, 1);
91            }
92
93            // if not there, no map ids will be generated
94            $elem['mapID'] = intval($elem['exists']) == 1 ? $this->functions->getMapID($elem['id'], $elem['anchor'], $check) : array();
95
96            if ( empty($elem['depth']) ) {
97                $elem['depth'] = count(explode('/', $elem['url']));
98            }
99            $CHECKDATA[] = $elem['url'];
100
101            if ( $startPageID == null )
102            {
103                $startPageID = $elem['mapID'][0];
104            }
105
106            if ( empty( $elem['name'] ) || $elem['name'] == noNs($elem['id']) ) {
107                $elem['name'] = $this->functions->getSiteTitle($elem['id']);
108                $this->debug($elem);
109            }
110
111            // Go on building mapXML
112            $this->shortenByTranslation($elem['mapURL'], true); // true to already remove all language stuff - false if not
113            foreach ( $elem['mapID'] as $VIEWID ) {
114                $MAPXML .= "\n\t<mapID target=\"$VIEWID\" url=\"" . $elem['mapURL'] . $anchor . "\"/>";
115            }
116
117            $elem['tocNS'] = getNS(cleanID($elem['url']));
118            $elem['tocNS'] = $this->shortenByTranslation($elem['tocNS'], true);
119            $elem['tocNS'] = strlen($elem['tocNS']) > 0 ? explode('/', $elem['tocNS']) : array();
120            $this->functions->debug->message("This will be the TOC elements data:", $elem, 1);
121
122            $this->__buildTOCTree($DATA, $elem['tocNS'], $elem);
123        }
124
125        $this->debug("#### Writing TOC Tree ####");
126        $TOCXML .= $this->__writeTOCTree($DATA) . "\n</toc>";
127        $this->debug("#### DONE: Writing TOC Tree ####");
128        $MAPXML .= "\n</map>";
129
130        $this->debug($DATA);
131        $this->debug($TOCXML);
132        $this->debug($MAPXML);
133
134        return array($TOCXML, $MAPXML, $startPageID);
135    }
136
137    /**
138     * Prepare the TOC Tree
139     **/
140    private function __buildTOCTree(&$DATA, $currentNSArray, $elemToAdd)
141    {
142        global $conf;
143
144        // Actual level
145        if (empty($currentNSArray)) {
146            $elemToAdd['isStartPage'] = noNS($elemToAdd['id']) == $conf['start'];
147            $key = empty($elemToAdd['name']) ? noNS($elemToAdd['id']) : $elemToAdd['name'];
148            $DATA[$key] = $elemToAdd;
149            return;
150        }
151
152        $currentLevel = array_shift($currentNSArray);
153        $nextLevel = &$DATA[$currentLevel];
154        if (empty($nextLevel)) {
155            $nextLevel = array('pages' => array());
156        } else {
157            $nextLevel = &$DATA[$currentLevel]['pages'];
158        }
159
160        $this->__buildTOCTree($nextLevel, $currentNSArray, $elemToAdd);
161    }
162
163    /**
164     * Create a single TOC Item
165     **/
166    private function __TOCItem($item, $depth, $selfClosed = true)
167    {
168        $this->debug($item);
169        $targetID = $item['mapID'][0];
170        if (empty($targetID)) {
171            $targetID = strtolower($item['name']);
172        }
173        return "\n" . str_repeat("\t", max($depth, 0)+1) . "<tocitem target=\"$targetID\"" . (intval($item['exists']) == 1 ? " text=\"" . $item['name'] . "\"" : "") . ($selfClosed ? '/' : '') . ">";
174    }
175
176    /**
177     * Create a single TOC Item
178     **/
179    private function __TOCItemClose($depth)
180    {
181        return "\n" . str_repeat("\t", max($depth, 0)+1) . "</tocitem>";
182    }
183
184    /**
185     * Write the whole TOC TREE
186     **/
187    private function __writeTOCTree($CURRENTNODE, $CURRENTNODENAME = null, $DEPTH = 0) {
188        global $conf;
189
190        $XML = '';
191        $didOpenItem = false;
192        if (!is_array($CURRENTNODE) || empty($CURRENTNODE))
193        {
194            // errr … no.
195            return $XML;
196        }
197
198        // This is an element!
199        if (!empty($CURRENTNODE['id']) && empty($CURRENTNODE['pages']))
200        {
201            // This has to be an item - only -!
202            return $this->__TOCItem($CURRENTNODE, $DEPTH);
203        }
204
205        // Look for start page
206        if (!empty($CURRENTNODE[$conf['start']]))
207        {
208            // YAY! StartPage found.
209            $didOpenItem = !(count(empty($CURRENTNODE['pages']) ? $CURRENTNODE : $CURRENTNODE['pages']) == 0);
210            $XML .= $this->__TOCItem($CURRENTNODE[$conf['start']], $DEPTH, !$didOpenItem);
211            unset($CURRENTNODE[$conf['start']]);
212        } else if (!empty($CURRENTNODE['element'])) {
213            $didOpenItem = !(count($CURRENTNODE['pages']) == 0);
214            $XML .= $this->__TOCItem($CURRENTNODE['element'], $DEPTH, !$didOpenItem);
215            unset($CURRENTNODE['element']);
216        } else if ($CURRENTNODENAME != null) {
217            // We have a parent node for what is comming … lets honor that
218            $didOpenItem = !(count($CURRENTNODE) == 0);
219            $XML .= $this->__TOCItem(array('name' => ucwords($CURRENTNODENAME)), $DEPTH, !$didOpenItem);
220        } else {
221            // Woohoo … empty node? do not count up!
222            $DEPTH--;
223        }
224
225        $this->debug("-- This is the current node --");
226        $this->debug($CURRENTNODE);
227
228        // Circle through the entries
229        foreach (empty($CURRENTNODE['pages']) ? $CURRENTNODE : $CURRENTNODE['pages'] as $NODENAME => $ELEM)
230        {
231            // a node should have more than only one entry … otherwise we will not tell our name!
232            $XML .= $this->__writeTOCTree($ELEM, count($ELEM) >= 1 ? ( !empty($ELEM['name']) ? $ELEM['name'] : $NODENAME ) : null, $DEPTH+1);
233        }
234
235        // Close and return
236        return $XML . ($didOpenItem ? $this->__TOCItemClose($DEPTH) : '');
237    }
238
239
240    function post(&$value, $key, array $additional) {
241        $inner_glue = $additional[0];
242        $prefix = isset($additional[1]) ? $additional[1] : false;
243        if ($prefix === false) $prefix = $key;
244
245        $value = $value . $inner_glue . $prefix;
246    }
247
248    /**
249     * internal Sort function
250     * @param unknown_type $a
251     * @param unknown_type $b
252     */
253    private function sortFunction($a, $b)
254    {
255        $idA = $a['id'];
256        $idB = $b['id'];
257
258        $depthA = explode(':', getNS($idA));
259        $depthB = explode(':', getNS($idB));
260
261        for ($i = 0; $i < min(count($depthA), count($depthB)); $i++)
262        {
263            $NSCMP = strcmp($depthA[$i], $depthB[$i]);
264            if ($NSCMP != 0)
265            {
266                // Something is different!
267                return $NSCMP;
268            }
269        }
270
271        // There is mor in B, than in A!
272        if (count($depthA) < count($depthB))
273        {
274            return -1;
275        } else if (count($depthA) > count($depthB))
276        {
277            // there is more in A than in B
278            return 1;
279        }
280
281        if ($NSCMP == 0)
282        {
283            // Something is different!
284            return strcmp(noNS($idA), noNS($idB));
285        }
286
287        return 0;
288    }
289
290    /**
291     * Build the Eclipse Documentation TOC XML
292     **/
293    public function __getTOCXML($DATA, $XML = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?NLS TYPE=\"org.eclipse.help.toc\"?>\n") {
294
295        $pagesArray = array();
296
297        // Go through the pages
298        foreach ($DATA as $elem) {
299
300            $site = $elem['id'];
301            $elems = explode('/', $this->functions->getSiteName($site));
302
303            // Strip Site
304            array_pop($elems);
305
306            // build the topic Tree
307            $this->__buildTopicTree($pagesArray, $elems, $site);
308        }
309
310        $XML .= $this->__addXMLTopic($pagesArray, 'toc');
311
312        return $XML;
313
314    }
315
316    /**
317     * Load the topic Tree for the TOC - recursive
318     **/
319    private function __buildTopicTree(&$PAGES, $DATA, $SITE, $INSERTDATA = null) {
320
321        if (empty($DATA) || !is_array($DATA)) {
322
323            if ($INSERTDATA == null)
324            {
325                $INSERTDATA = $SITE;
326            }
327
328            // This is already a namespace
329            if (is_array($PAGES[noNS($SITE)])) {
330                // The root already exists!
331                if (!empty($PAGES[noNS($SITE)][noNS($SITE)])) {
332                    if (strstr($PAGES[noNS($SITE)][noNS($SITE)], $SITE)) {
333                        // The SITE is in the parent Namespace, and the current Namespace has an index with same name
334                        $PAGES['__' . noNS($SITE)] = $INSERTDATA;
335                    } else {
336                        $PAGES['__' . noNS($SITE)] = $PAGES[noNS($SITE)][noNS($SITE)];
337                        $PAGES[noNS($SITE)][noNS($SITE)] = $INSERTDATA;
338                    }
339                } else {
340                    $PAGES[noNS($SITE)][noNS($SITE)] = $INSERTDATA;
341                }
342            } else {
343                // just a Page
344                $PAGES[noNS($SITE)] = $INSERTDATA;
345            }
346            return;
347        }
348
349        $NS = array_shift($DATA);
350        if (!is_array($PAGES[$NS])) $PAGES[$NS] = empty($PAGES[$NS]) ? array() : array($PAGES[$NS]);
351        $this->__buildTopicTree($PAGES[$NS], $DATA, $SITE, $INSERTDATA);
352
353        return;
354    }
355
356    /**
357     * Build the Topic Tree for TOC.xml
358     **/
359    private function __addXMLTopic($DATA, $ITEM = 'topic', $LEVEL = 0, $NODENAME = '') {
360        global $conf;
361
362        $DEPTH = str_repeat("\t", $LEVEL);
363
364        if (!is_array($DATA)) {
365            return $DEPTH . '<' . $ITEM . ' label="' . $this->functions->getSiteTitle($DATA) . '" ' . ($ITEM != 'topic' ? 'topic' : 'href') . '="' . $this->functions->getSiteName($DATA) . "\" />\n";
366        }
367        // Is array from this point on
368        list($indexTitle, $indexFile) = $this->__getIndexItem($DATA, $NODENAME);
369
370        if (empty($indexTitle)) $indexTitle = $this->functions->getSiteTitle($conf['start']);
371        if (!empty($indexFile)) $indexFile = ($ITEM != 'topic' ? 'topic' : 'href') . "=\"$indexFile\"";
372
373        $isEmptyNode = count($DATA) == 1 && empty($indexFile);
374
375        if (!$isEmptyNode && ($this->emptyNSToc || count($DATA) > 0))
376        $XML = "$DEPTH<$ITEM label=\"$indexTitle\" $indexFile>";
377
378        if (!$isEmptyNode && count($DATA) > 0) $XML .= "\n";
379
380        foreach ($DATA as $NODENAME => $NS) {
381
382            $XML .= $this->__addXMLTopic($NS, (!($this->emptyNSToc || count($DATA) > 1) && $ITEM != 'topic' ? $ITEM : 'topic'), $LEVEL+(!$isEmptyNode ? 1 : 0), $NODENAME);
383
384        }
385
386        if (!$isEmptyNode && count($DATA) > 0) $XML .= "$DEPTH";
387        if (!$isEmptyNode && ($this->emptyNSToc || count($DATA) > 0)) {
388            $XML .= "</$ITEM>\n";
389        }
390
391        return $XML;
392    }
393
394
395    /**
396     * Get the context XML
397     **/
398    public function __getContextXML($DATA) {
399
400        $XML = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?NLS TYPE=\"org.eclipse.help.context\"?>\n<contexts>\n";
401
402        $check = array();
403        foreach ($DATA as $elem)
404        {
405            $ID = $elem['id'];
406            $meta = p_get_metadata($ID, 'context', true);
407            if (empty($meta['id'])) { continue; }
408
409            $TITLE = empty($meta['title']) ? $this->functions->getSiteTitle($ID) : $meta['title'];
410
411            // support more than one view IDs ... for more than one reference
412            $VIEWIDs = $this->functions->getMapID($elem['id'], $elem['anchor'], $check);
413
414            $DESCRIPTION = $this->functions->xmlEntities(p_get_metadata($ID, 'description abstract'));
415
416            // Build topic Links
417            $url = $this->functions->getSiteName($ID);
418            $this->shortenByTranslation($url);
419
420            $TOPICS = array($url => $TITLE . " (Details)");
421            $REFS = p_get_metadata($ID, 'relation references', true);
422            if (is_array($REFS))
423            foreach ($REFS as $REL => $EXISTS) {
424                if (!$EXISTS) { continue; }
425                $TOPICS[$this->functions->getSiteName($REL)] = $this->functions->getSiteTitle($REL);
426            }
427
428            // build XML - include multi view IDs
429            foreach ($VIEWIDs as $VIEWID) {
430                $XML .= "\t<context id=\"$VIEWID\" title=\"$TITLE\">\n";
431                $XML .= "\t\t<description>$DESCRIPTION</description>\n";
432
433                foreach ($TOPICS as $URL => $LABEL) {
434                    $XML .= "\t\t<topic label=\"$LABEL\" href=\"$URL\" />\n";
435                }
436
437                $XML .= "\t</context>\n";
438            }
439        }
440
441        $XML .= "</contexts>";
442        return $XML;
443
444    }
445
446    /**
447     * Determine if this is an index - and if so, find its Title
448     **/
449    private function __getIndexItem(&$DATA, $NODENAME = '') {
450        global $conf;
451
452        if (!is_array($DATA)) { return; }
453
454        $indexTitle = '';
455        $indexFile = '';
456        foreach ($DATA as $NODE => $indexSearch) {
457            // Skip next Namespaces
458            if (is_array($indexSearch)) { continue; }
459
460            // Skip if this is not a start
461            if ($NODE != $conf['start']) { continue; }
462
463            $indexTitle = $this->functions->getSiteTitle($indexSearch);
464            $indexFile = $indexSearch;
465            unset($DATA[$NODE]);
466            break;
467        }
468
469        if (empty($indexFile) && !empty($DATA[$NODENAME])) {
470            $indexTitle = $this->functions->getSiteTitle($DATA[$NODENAME]);
471            $indexFile = $DATA[$NODENAME];
472            unset($DATA[$NODENAME]);
473        }
474
475        return array($indexTitle, $this->functions->getSiteName($indexFile));
476    }
477
478    private $doDebug = false;
479    private static $didDebug = false;
480    public function debug($data, $final = false) {
481        if ( ! $this->doDebug ) { return; }
482
483        if ( !$this->didDebug ) {
484            print "<html><pre>";
485            $this->didDebug = true;
486        }
487
488        if ( is_array($data) ) {
489            print_r($data);
490        } else {
491            print str_replace("<", "&lt;", str_replace(">", "&gt;", $data));;
492        }
493
494        print "\n\n";
495
496        if ( $final ) {
497            print "</pre></html>";
498            exit;
499        }
500    }
501}
502