2 // display.php: fetch page or get default content
3 rcs_id('$Id: display.php,v 1.61 2004-11-21 11:59:19 rurban Exp $');
5 require_once('lib/Template.php');
8 * Extract keywords from Category* links on page.
10 function GleanKeywords ($page) {
11 global $KeywordLinkRegexp;
13 $links = $page->getPageLinks();
14 $keywords[] = SplitPagename($page->getName());
15 while ($link = $links->next()) {
16 if (preg_match("/${KeywordLinkRegexp}/x", $link->getName(), $m))
17 $keywords[] = SplitPagename($m[0]);
19 $keywords[] = WIKI_NAME;
20 return join(', ', $keywords);
23 /** Make a link back to redirecting page.
25 * @param $pagename string Name of redirecting page.
26 * @return XmlContent Link to the redirecting page.
28 function RedirectorLink($pagename) {
29 $url = WikiURL($pagename, array('redirectfrom' => ''));
30 return HTML::a(array('class' => 'redirectfrom wiki',
36 function actionPage(&$request, $action) {
39 $pagename = $request->getArg('pagename');
40 $version = $request->getArg('version');
42 $page = $request->getPage();
43 $revision = $page->getCurrentRevision();
45 $dbi = $request->getDbh();
46 $actionpage = $dbi->getPage($action);
47 $actionrev = $actionpage->getCurrentRevision();
49 $pagetitle = HTML(fmt("%s: %s",
50 $actionpage->getName(),
51 $WikiTheme->linkExistingWikiWord($pagename, false, $version)));
53 $validators = new HTTP_ValidatorSet(array('pageversion' => $revision->getVersion(),
54 '%mtime' => $revision->get('mtime')));
56 $request->appendValidators(array('pagerev' => $revision->getVersion(),
57 '%mtime' => $revision->get('mtime')));
58 $request->appendValidators(array('actionpagerev' => $actionrev->getVersion(),
59 '%mtime' => $actionrev->get('mtime')));
61 $transformedContent = $actionrev->getTransformedContent();
62 $template = Template('browse', array('CONTENT' => $transformedContent));
64 if (!headers_sent()) {
65 //FIXME: does not work yet. document.write not supported (signout button)
66 // http://www.w3.org/People/mimasa/test/xhtml/media-types/results
68 and (!isBrowserIE() and
69 strstr($request->get('HTTP_ACCEPT'),'application/xhtml+xml')))
70 header("Content-Type: application/xhtml+xml; charset=" . $GLOBALS['charset']);
72 header("Content-Type: text/html; charset=" . $GLOBALS['charset']);
75 GeneratePage($template, $pagetitle, $revision);
76 $request->checkValidators();
80 function displayPage(&$request, $template=false) {
81 $pagename = $request->getArg('pagename');
82 $version = $request->getArg('version');
83 $page = $request->getPage();
85 $revision = $page->getRevision($version);
87 NoSuchRevision($request, $page, $version);
90 $revision = $page->getCurrentRevision();
93 if (isSubPage($pagename)) {
94 $pages = explode(SUBPAGE_SEPARATOR, $pagename);
95 $last_page = array_pop($pages); // deletes last element from array as side-effect
96 $pagetitle = HTML::span(HTML::a(array('href' => WikiURL($pages[0]),
97 'class' => 'pagetitle'
99 SplitPagename($pages[0] . SUBPAGE_SEPARATOR)));
100 $first_pages = $pages[0] . SUBPAGE_SEPARATOR;
102 foreach ($pages as $p) {
103 $pagetitle->pushContent(HTML::a(array('href' => WikiURL($first_pages . $p),
104 'class' => 'backlinks'),
105 SplitPagename($p . SUBPAGE_SEPARATOR)));
106 $first_pages .= $p . SUBPAGE_SEPARATOR;
108 $backlink = HTML::a(array('href' => WikiURL($pagename,
109 array('action' => _("BackLinks"))),
110 'class' => 'backlinks'),
111 SplitPagename($last_page));
112 $backlink->addTooltip(sprintf(_("BackLinks for %s"), $pagename));
113 $pagetitle->pushContent($backlink);
115 $pagetitle = HTML::a(array('href' => WikiURL($pagename,
116 array('action' => _("BackLinks"))),
117 'class' => 'backlinks'),
118 SplitPagename($pagename));
119 $pagetitle->addTooltip(sprintf(_("BackLinks for %s"), $pagename));
120 if ($request->getArg('frame'))
121 $pagetitle->setAttr('target', '_top');
124 $pageheader = $pagetitle;
125 if (($redirect_from = $request->getArg('redirectfrom'))) {
126 $redirect_message = HTML::span(array('class' => 'redirectfrom'),
127 fmt("(Redirected from %s)",
128 RedirectorLink($redirect_from)));
129 // abuse the $redirected template var for some status update notice
130 } elseif ($request->getArg('errormsg')) {
131 $redirect_message = $request->getArg('errormsg');
132 $request->setArg('errormsg', false);
135 $request->appendValidators(array('pagerev' => $revision->getVersion(),
136 '%mtime' => $revision->get('mtime')));
138 // FIXME: This is also in the template...
139 if ($request->getArg('action') != 'pdf' and !headers_sent()) {
140 // FIXME: enable MathML/SVG/... support
143 and strstr($request->get('HTTP_ACCEPT'),'application/xhtml+xml')))
144 header("Content-Type: application/xhtml+xml; charset=" . $GLOBALS['charset']);
146 header("Content-Type: text/html; charset=" . $GLOBALS['charset']);
149 $page_content = $revision->getTransformedContent();
151 // if external searchengine (google) referrer, highlight the searchterm
152 // FIXME: move that to the transformer?
153 // OR: add the searchhightplugin line to the content?
154 if ($result = isExternalReferrer($request)) {
155 if (DEBUG and !empty($result['query'])) {
156 //$GLOBALS['SearchHighlightQuery'] = $result['query'];
157 /* simply add the SearchHighlight plugin to the top of the page.
158 This just parses the wikitext, and doesn't highlight the markup */
159 include_once('lib/WikiPlugin.php');
160 $loader = new WikiPluginLoader;
161 $xml = $loader->expandPI('<'.'?plugin SearchHighlight s="'.$result['query'].'"?'.'>', $request, $markup);
162 if ($xml and is_array($xml)) {
163 foreach (array_reverse($xml) as $line) {
164 array_unshift($page_content->_content, $line);
166 array_unshift($page_content->_content,
167 HTML::div(_("You searched for: "), HTML::strong($result['query'])));
171 /* Parse the transformed (mixed HTML links + strings) lines?
172 This looks like overkill.
174 require_once("lib/TextSearchQuery.php");
175 $query = new TextSearchQuery($result['query']);
176 $hilight_re = $query->getHighlightRegexp();
177 //$matches = preg_grep("/$hilight_re/i", $revision->getContent());
179 for ($i=0; $i < count($page_content->_content); $i++) {
181 $line = $page_content->_content[$i];
182 if (is_string($line)) {
183 while (preg_match("/^(.*?)($hilight_re)/i", $line, $m)) {
185 $line = substr($line, strlen($m[0]));
186 $html[] = $m[1]; // prematch
187 $html[] = HTML::strong(array('class' => 'search-term'), $m[2]); // match
191 $html[] = $line; // postmatch
192 $page_content->_content[$i] = HTML::span(array('class' => 'search-context'),
200 $toks['CONTENT'] = new Template('browse', $request, $page_content);
202 $toks['TITLE'] = $pagetitle;
203 $toks['HEADER'] = $pageheader;
204 $toks['revision'] = $revision;
205 if (!empty($redirect_message))
206 $toks['redirected'] = $redirect_message;
207 $toks['ROBOTS_META'] = 'index,follow';
208 $toks['PAGE_DESCRIPTION'] = $page_content->getDescription();
209 $toks['PAGE_KEYWORDS'] = GleanKeywords($page);
211 $template = new Template('html', $request);
213 $template->printExpansion($toks);
214 $page->increaseHitCount();
216 if ($request->getArg('action') != 'pdf')
217 $request->checkValidators();
221 // $Log: not supported by cvs2svn $
222 // Revision 1.60 2004/11/19 19:22:03 rurban
223 // ModeratePage part1: change status
225 // Revision 1.59 2004/11/17 20:03:58 rurban
226 // Typo: call SearchHighlight not SearchHighLight
228 // Revision 1.58 2004/11/09 17:11:16 rurban
229 // * revert to the wikidb ref passing. there's no memory abuse there.
230 // * use new wikidb->_cache->_id_cache[] instead of wikidb->_iwpcache, to effectively
231 // store page ids with getPageLinks (GleanDescription) of all existing pages, which
232 // are also needed at the rendering for linkExistingWikiWord().
233 // pass options to pageiterator.
234 // use this cache also for _get_pageid()
235 // This saves about 8 SELECT count per page (num all pagelinks).
236 // * fix passing of all page fields to the pageiterator.
237 // * fix overlarge session data which got broken with the latest ACCESS_LOG_SQL changes
239 // Revision 1.57 2004/11/01 10:43:57 rurban
240 // seperate PassUser methods into seperate dir (memory usage)
241 // fix WikiUser (old) overlarge data session
242 // remove wikidb arg from various page class methods, use global ->_dbi instead
245 // Revision 1.56 2004/10/14 13:44:14 rurban
246 // fix lib/display.php:159: Warning[2]: Argument to array_reverse() should be an array
248 // Revision 1.55 2004/09/26 14:58:35 rurban
249 // naive SearchHighLight implementation
251 // Revision 1.54 2004/09/17 14:19:41 rurban
252 // disable Content-Type header for now, until it is fixed
254 // Revision 1.53 2004/06/25 14:29:20 rurban
255 // WikiGroup refactoring:
256 // global group attached to user, code for not_current user.
257 // improved helpers for special groups (avoid double invocations)
258 // new experimental config option ENABLE_XHTML_XML (fails with IE, and document.write())
259 // fixed a XHTML validation error on userprefs.tmpl
261 // Revision 1.52 2004/06/14 11:31:37 rurban
262 // renamed global $Theme to $WikiTheme (gforge nameclash)
263 // inherit PageList default options from PageList
264 // default sortby=pagename
265 // use options in PageList_Selectable (limit, sortby, ...)
266 // added action revert, with button at action=diff
267 // added option regex to WikiAdminSearchReplace
269 // Revision 1.51 2004/05/18 16:23:39 rurban
270 // rename split_pagename to SplitPagename
272 // Revision 1.50 2004/05/04 22:34:25 rurban
275 // Revision 1.49 2004/04/18 01:11:52 rurban
276 // more numeric pagename fixes.
277 // fixed action=upload with merge conflict warnings.
278 // charset changed from constant to global (dynamic utf-8 switching)
286 // c-hanging-comment-ender-p: nil
287 // indent-tabs-mode: nil