2 // display.php: fetch page or get default content
3 rcs_id('$Id: display.php,v 1.63 2004-11-30 17:48:38 rurban Exp $');
5 require_once('lib/Template.php');
8 * Extract keywords from Category* links on page.
10 function GleanKeywords ($page) {
11 if (!defined('KEYWORDS')) return '';
12 include_once("lib/TextSearchQuery.php");
13 $search = new TextSearchQuery(KEYWORDS, true);
14 $KeywordLinkRegexp = $search->asRegexp();
15 // iterate over the pagelinks (could be a large number) [15ms on PluginManager]
16 // or do a titleSearch and check the categories if they are linked?
17 $links = $page->getPageLinks();
18 $keywords[] = SplitPagename($page->getName());
19 while ($link = $links->next()) {
20 if (preg_match($KeywordLinkRegexp, $link->getName(), $m))
21 $keywords[] = SplitPagename($m[0]);
23 $keywords[] = WIKI_NAME;
24 return join(', ', $keywords);
27 /** Make a link back to redirecting page.
29 * @param $pagename string Name of redirecting page.
30 * @return XmlContent Link to the redirecting page.
32 function RedirectorLink($pagename) {
33 $url = WikiURL($pagename, array('redirectfrom' => ''));
34 return HTML::a(array('class' => 'redirectfrom wiki',
40 function actionPage(&$request, $action) {
43 $pagename = $request->getArg('pagename');
44 $version = $request->getArg('version');
46 $page = $request->getPage();
47 $revision = $page->getCurrentRevision();
49 $dbi = $request->getDbh();
50 $actionpage = $dbi->getPage($action);
51 $actionrev = $actionpage->getCurrentRevision();
53 $pagetitle = HTML(fmt("%s: %s",
54 $actionpage->getName(),
55 $WikiTheme->linkExistingWikiWord($pagename, false, $version)));
57 $validators = new HTTP_ValidatorSet(array('pageversion' => $revision->getVersion(),
58 '%mtime' => $revision->get('mtime')));
60 $request->appendValidators(array('pagerev' => $revision->getVersion(),
61 '%mtime' => $revision->get('mtime')));
62 $request->appendValidators(array('actionpagerev' => $actionrev->getVersion(),
63 '%mtime' => $actionrev->get('mtime')));
65 $transformedContent = $actionrev->getTransformedContent();
66 $template = Template('browse', array('CONTENT' => $transformedContent));
68 if (!headers_sent()) {
69 //FIXME: does not work yet. document.write not supported (signout button)
70 // http://www.w3.org/People/mimasa/test/xhtml/media-types/results
72 and (!isBrowserIE() and
73 strstr($request->get('HTTP_ACCEPT'),'application/xhtml+xml')))
74 header("Content-Type: application/xhtml+xml; charset=" . $GLOBALS['charset']);
76 header("Content-Type: text/html; charset=" . $GLOBALS['charset']);
79 GeneratePage($template, $pagetitle, $revision);
80 $request->checkValidators();
84 function displayPage(&$request, $template=false) {
85 $pagename = $request->getArg('pagename');
86 $version = $request->getArg('version');
87 $page = $request->getPage();
89 $revision = $page->getRevision($version);
91 NoSuchRevision($request, $page, $version);
94 $revision = $page->getCurrentRevision();
97 if (isSubPage($pagename)) {
98 $pages = explode(SUBPAGE_SEPARATOR, $pagename);
99 $last_page = array_pop($pages); // deletes last element from array as side-effect
100 $pagetitle = HTML::span(HTML::a(array('href' => WikiURL($pages[0]),
101 'class' => 'pagetitle'
103 SplitPagename($pages[0] . SUBPAGE_SEPARATOR)));
104 $first_pages = $pages[0] . SUBPAGE_SEPARATOR;
106 foreach ($pages as $p) {
107 $pagetitle->pushContent(HTML::a(array('href' => WikiURL($first_pages . $p),
108 'class' => 'backlinks'),
109 SplitPagename($p . SUBPAGE_SEPARATOR)));
110 $first_pages .= $p . SUBPAGE_SEPARATOR;
112 $backlink = HTML::a(array('href' => WikiURL($pagename,
113 array('action' => _("BackLinks"))),
114 'class' => 'backlinks'),
115 SplitPagename($last_page));
116 $backlink->addTooltip(sprintf(_("BackLinks for %s"), $pagename));
117 $pagetitle->pushContent($backlink);
119 $pagetitle = HTML::a(array('href' => WikiURL($pagename,
120 array('action' => _("BackLinks"))),
121 'class' => 'backlinks'),
122 SplitPagename($pagename));
123 $pagetitle->addTooltip(sprintf(_("BackLinks for %s"), $pagename));
124 if ($request->getArg('frame'))
125 $pagetitle->setAttr('target', '_top');
128 $pageheader = $pagetitle;
129 if (($redirect_from = $request->getArg('redirectfrom'))) {
130 $redirect_message = HTML::span(array('class' => 'redirectfrom'),
131 fmt("(Redirected from %s)",
132 RedirectorLink($redirect_from)));
133 // abuse the $redirected template var for some status update notice
134 } elseif ($request->getArg('errormsg')) {
135 $redirect_message = $request->getArg('errormsg');
136 $request->setArg('errormsg', false);
139 $request->appendValidators(array('pagerev' => $revision->getVersion(),
140 '%mtime' => $revision->get('mtime')));
142 // FIXME: This is also in the template...
143 if ($request->getArg('action') != 'pdf' and !headers_sent()) {
144 // FIXME: enable MathML/SVG/... support
147 and strstr($request->get('HTTP_ACCEPT'),'application/xhtml+xml')))
148 header("Content-Type: application/xhtml+xml; charset=" . $GLOBALS['charset']);
150 header("Content-Type: text/html; charset=" . $GLOBALS['charset']);
153 $page_content = $revision->getTransformedContent();
155 // if external searchengine (google) referrer, highlight the searchterm
156 // FIXME: move that to the transformer?
157 // OR: add the searchhightplugin line to the content?
158 if ($result = isExternalReferrer($request)) {
159 if (DEBUG and !empty($result['query'])) {
160 //$GLOBALS['SearchHighlightQuery'] = $result['query'];
161 /* simply add the SearchHighlight plugin to the top of the page.
162 This just parses the wikitext, and doesn't highlight the markup */
163 include_once('lib/WikiPlugin.php');
164 $loader = new WikiPluginLoader;
165 $xml = $loader->expandPI('<'.'?plugin SearchHighlight s="'.$result['query'].'"?'.'>', $request, $markup);
166 if ($xml and is_array($xml)) {
167 foreach (array_reverse($xml) as $line) {
168 array_unshift($page_content->_content, $line);
170 array_unshift($page_content->_content,
171 HTML::div(_("You searched for: "), HTML::strong($result['query'])));
175 /* Parse the transformed (mixed HTML links + strings) lines?
176 This looks like overkill.
178 require_once("lib/TextSearchQuery.php");
179 $query = new TextSearchQuery($result['query']);
180 $hilight_re = $query->getHighlightRegexp();
181 //$matches = preg_grep("/$hilight_re/i", $revision->getContent());
183 for ($i=0; $i < count($page_content->_content); $i++) {
185 $line = $page_content->_content[$i];
186 if (is_string($line)) {
187 while (preg_match("/^(.*?)($hilight_re)/i", $line, $m)) {
189 $line = substr($line, strlen($m[0]));
190 $html[] = $m[1]; // prematch
191 $html[] = HTML::strong(array('class' => 'search-term'), $m[2]); // match
195 $html[] = $line; // postmatch
196 $page_content->_content[$i] = HTML::span(array('class' => 'search-context'),
204 $toks['CONTENT'] = new Template('browse', $request, $page_content);
206 $toks['TITLE'] = $pagetitle;
207 $toks['HEADER'] = $pageheader;
208 $toks['revision'] = $revision;
209 if (!empty($redirect_message))
210 $toks['redirected'] = $redirect_message;
211 $toks['ROBOTS_META'] = 'index,follow';
212 $toks['PAGE_DESCRIPTION'] = $page_content->getDescription();
213 $toks['PAGE_KEYWORDS'] = GleanKeywords($page);
215 $template = new Template('html', $request);
217 $template->printExpansion($toks);
218 $page->increaseHitCount();
220 if ($request->getArg('action') != 'pdf')
221 $request->checkValidators();
225 // $Log: not supported by cvs2svn $
226 // Revision 1.62 2004/11/30 09:51:35 rurban
227 // changed KEYWORDS from pageprefix to search term. added installer detection.
229 // Revision 1.61 2004/11/21 11:59:19 rurban
230 // remove final \n to be ob_cache independent
232 // Revision 1.60 2004/11/19 19:22:03 rurban
233 // ModeratePage part1: change status
235 // Revision 1.59 2004/11/17 20:03:58 rurban
236 // Typo: call SearchHighlight not SearchHighLight
238 // Revision 1.58 2004/11/09 17:11:16 rurban
239 // * revert to the wikidb ref passing. there's no memory abuse there.
240 // * use new wikidb->_cache->_id_cache[] instead of wikidb->_iwpcache, to effectively
241 // store page ids with getPageLinks (GleanDescription) of all existing pages, which
242 // are also needed at the rendering for linkExistingWikiWord().
243 // pass options to pageiterator.
244 // use this cache also for _get_pageid()
245 // This saves about 8 SELECT count per page (num all pagelinks).
246 // * fix passing of all page fields to the pageiterator.
247 // * fix overlarge session data which got broken with the latest ACCESS_LOG_SQL changes
249 // Revision 1.57 2004/11/01 10:43:57 rurban
250 // seperate PassUser methods into seperate dir (memory usage)
251 // fix WikiUser (old) overlarge data session
252 // remove wikidb arg from various page class methods, use global ->_dbi instead
255 // Revision 1.56 2004/10/14 13:44:14 rurban
256 // fix lib/display.php:159: Warning[2]: Argument to array_reverse() should be an array
258 // Revision 1.55 2004/09/26 14:58:35 rurban
259 // naive SearchHighLight implementation
261 // Revision 1.54 2004/09/17 14:19:41 rurban
262 // disable Content-Type header for now, until it is fixed
264 // Revision 1.53 2004/06/25 14:29:20 rurban
265 // WikiGroup refactoring:
266 // global group attached to user, code for not_current user.
267 // improved helpers for special groups (avoid double invocations)
268 // new experimental config option ENABLE_XHTML_XML (fails with IE, and document.write())
269 // fixed a XHTML validation error on userprefs.tmpl
271 // Revision 1.52 2004/06/14 11:31:37 rurban
272 // renamed global $Theme to $WikiTheme (gforge nameclash)
273 // inherit PageList default options from PageList
274 // default sortby=pagename
275 // use options in PageList_Selectable (limit, sortby, ...)
276 // added action revert, with button at action=diff
277 // added option regex to WikiAdminSearchReplace
279 // Revision 1.51 2004/05/18 16:23:39 rurban
280 // rename split_pagename to SplitPagename
282 // Revision 1.50 2004/05/04 22:34:25 rurban
285 // Revision 1.49 2004/04/18 01:11:52 rurban
286 // more numeric pagename fixes.
287 // fixed action=upload with merge conflict warnings.
288 // charset changed from constant to global (dynamic utf-8 switching)
296 // c-hanging-comment-ender-p: nil
297 // indent-tabs-mode: nil