2 // PukiWiki - Yet another WikiWikiWeb clone.
3 // $Id: html.php,v 1.34 2005/04/30 05:21:00 henoheno Exp $
5 // 2002-2005 PukiWiki Developers Team
6 // 2001-2002 Originally written by yu-ji
7 // License: GPL v2 or (at your option) any later version
9 // HTML-publishing related functions
12 function catbody($title, $page, $body)
14 global $script, $vars, $arg, $defaultpage, $whatsnew, $help_page, $hr;
15 global $related_link, $cantedit, $function_freeze, $search_word_color, $_msg_word;
16 global $foot_explain, $note_hr, $head_tags;
17 global $trackback, $trackback_javascript, $referer, $javascript;
18 global $_LANG, $_LINK, $_IMAGE;
20 global $pkwk_dtd; // XHTML 1.1, XHTML1.0, HTML 4.01 Transitional...
21 global $page_title; // Title of this site
22 global $do_backup; // Do backup or not
23 global $modifier; // Site administrator's web page
24 global $modifierlink; // Site administrator's name
26 if (! file_exists(SKIN_FILE) || ! is_readable(SKIN_FILE))
27 die_message('SKIN_FILE is not found');
29 $_LINK = $_IMAGE = array();
31 // Add JavaScript header when ...
32 if ($trackback && $trackback_javascript) $javascript = 1; // Set something If you want
33 if (! PKWK_ALLOW_JAVASCRIPT) unset($javascript);
35 $_page = isset($vars['page']) ? $vars['page'] : '';
36 $r_page = rawurlencode($_page);
38 // Set $_LINK for skin
39 $_LINK['add'] = "$script?cmd=add&page=$r_page";
40 $_LINK['backup'] = "$script?cmd=backup&page=$r_page";
41 $_LINK['copy'] = "$script?plugin=template&refer=$r_page";
42 $_LINK['diff'] = "$script?cmd=diff&page=$r_page";
43 $_LINK['edit'] = "$script?cmd=edit&page=$r_page";
44 $_LINK['filelist'] = "$script?cmd=filelist";
45 $_LINK['freeze'] = "$script?cmd=freeze&page=$r_page";
46 $_LINK['help'] = "$script?" . rawurlencode($help_page);
47 $_LINK['list'] = "$script?cmd=list";
48 $_LINK['new'] = "$script?plugin=newpage&refer=$r_page";
49 $_LINK['rdf'] = "$script?cmd=rss&ver=1.0";
50 $_LINK['recent'] = "$script?" . rawurlencode($whatsnew);
51 $_LINK['refer'] = "$script?plugin=referer&page=$r_page";
52 $_LINK['reload'] = "$script?$r_page";
53 $_LINK['rename'] = "$script?plugin=rename&refer=$r_page";
54 $_LINK['rss'] = "$script?cmd=rss";
55 $_LINK['rss10'] = "$script?cmd=rss&ver=1.0"; // Same as 'rdf'
56 $_LINK['rss20'] = "$script?cmd=rss&ver=2.0";
57 $_LINK['search'] = "$script?cmd=search";
58 $_LINK['top'] = "$script?" . rawurlencode($defaultpage);
60 $tb_id = tb_get_id($_page);
61 $_LINK['trackback'] = "$script?plugin=tb&__mode=view&tb_id=$tb_id";
63 $_LINK['unfreeze'] = "$script?cmd=unfreeze&page=$r_page";
64 $_LINK['upload'] = "$script?plugin=attach&pcmd=upload&page=$r_page";
66 // Compat: Skins for 1.4.4 and before
67 $link_add = & $_LINK['add'];
68 $link_new = & $_LINK['new']; // New!
69 $link_edit = & $_LINK['edit'];
70 $link_diff = & $_LINK['diff'];
71 $link_top = & $_LINK['top'];
72 $link_list = & $_LINK['list'];
73 $link_filelist = & $_LINK['filelist'];
74 $link_search = & $_LINK['search'];
75 $link_whatsnew = & $_LINK['recent'];
76 $link_backup = & $_LINK['backup'];
77 $link_help = & $_LINK['help'];
78 $link_trackback = & $_LINK['trackback']; // New!
79 $link_rdf = & $_LINK['rdf']; // New!
80 $link_rss = & $_LINK['rss'];
81 $link_rss10 = & $_LINK['rss10']; // New!
82 $link_rss20 = & $_LINK['rss20']; // New!
83 $link_freeze = & $_LINK['freeze'];
84 $link_unfreeze = & $_LINK['unfreeze'];
85 $link_upload = & $_LINK['upload'];
86 $link_template = & $_LINK['copy'];
87 $link_refer = & $_LINK['refer']; // New!
88 $link_rename = & $_LINK['rename'];
91 $is_page = (is_pagename($_page) && ! arg_check('backup') && $_page != $whatsnew);
92 $is_read = (arg_check('read') && is_page($_page));
93 $is_freeze = is_freeze($_page);
95 // Last modification date (string) of the page
96 $lastmodified = $is_read ? get_date('D, d M Y H:i:s T', get_filetime($_page)) .
97 ' ' . get_pg_passage($_page, FALSE) : '';
99 // List of related pages
100 $related = ($is_read && $related_link) ? make_related($_page) : '';
102 // List of attached files of the page
103 $attaches = ($is_read && exist_plugin_action('attach')) ? attach_filelist() : '';
106 ksort($foot_explain, SORT_NUMERIC);
107 $notes = ! empty($foot_explain) ? $note_hr . join("\n", $foot_explain) : '';
109 // Tags will be inserted into <head></head>
110 $head_tag = ! empty($head_tags) ? join("\n", $head_tags) ."\n" : '';
113 // Last modification date (UNIX timestamp) of the page
114 $fmt = $is_read ? get_filetime($_page) + LOCALZONE : 0;
117 if ($search_word_color && isset($vars['word'])) {
118 $body = '<div class="small">' . $_msg_word . htmlspecialchars($vars['word']) .
119 '</div>' . $hr . "\n" . $body;
120 $words = array_flip(array_splice(
121 preg_split('/\s+/', $vars['word'], -1, PREG_SPLIT_NO_EMPTY),
124 foreach ($words as $word=>$id) $keys[$word] = strlen($word);
125 arsort($keys, SORT_NUMERIC);
126 $keys = get_search_words(array_keys($keys), TRUE);
128 foreach ($keys as $key=>$pattern) {
129 $s_key = htmlspecialchars($key);
130 $pattern = '/<[^>]*>|(' . $pattern . ')|&[^;]+;/';
131 $callback = create_function(
133 'return (count($arr) > 1) ? \'<strong class="word' .
134 $id++ . '">\' . $arr[1] . \'</strong>\' : $arr[0];'
136 $body = preg_replace_callback($pattern, $callback, $body);
137 $notes = preg_replace_callback($pattern, $callback, $notes);
141 $longtaketime = getmicrotime() - MUTIME;
142 $taketime = sprintf('%01.03f', $longtaketime);
148 function edit_form($page, $postdata, $digest = FALSE, $b_template = TRUE)
150 global $script, $vars, $rows, $cols, $hr, $function_freeze;
151 global $_btn_addtop, $_btn_preview, $_btn_repreview, $_btn_update, $_btn_cancel,
152 $_msg_help, $_btn_notchangetimestamp;
153 global $whatsnew, $_btn_template, $_btn_load, $non_list, $load_template_func;
154 global $notimeupdate;
156 // Newly generate $digest or not
157 if ($digest === FALSE) $digest = md5(join('', get_source($page)));
159 $refer = $template = $addtag = $add_top = '';
161 $checked_top = isset($vars['add_top']) ? ' checked="checked"' : '';
162 $checked_time = isset($vars['notimestamp']) ? ' checked="checked"' : '';
164 if(isset($vars['add'])) {
165 $addtag = '<input type="hidden" name="add" value="true" />';
166 $add_top = '<input type="checkbox" name="add_top" value="true"' .
167 $checked_top . ' /><span class="small">' .
168 $_btn_addtop . '</span>';
171 if($load_template_func && $b_template) {
173 $non_list_pattern = '/' . $non_list . '/';
174 foreach(get_existpages() as $_page) {
175 if ($_page == $whatsnew || preg_match($non_list_pattern, $_page))
177 $s_page = htmlspecialchars($_page);
178 $pages[$_page] = ' <option value="' . $s_page . '">' .
179 $s_page . '</option>';
182 $s_pages = join("\n", $pages);
184 <select name="template_page">
185 <option value="">-- $_btn_template --</option>
188 <input type="submit" name="template" value="$_btn_load" accesskey="r" />
192 if (isset($vars['refer']) && $vars['refer'] != '')
193 $refer = '[[' . strip_bracket($vars['refer']) . ']]' . "\n\n";
196 $r_page = rawurlencode($page);
197 $s_page = htmlspecialchars($page);
198 $s_digest = htmlspecialchars($digest);
199 $s_postdata = htmlspecialchars($refer . $postdata);
200 $s_original = isset($vars['original']) ? htmlspecialchars($vars['original']) : $s_postdata;
201 $b_preview = isset($vars['preview']); // TRUE when preview
202 $btn_preview = $b_preview ? $_btn_repreview : $_btn_preview;
204 $add_notimestamp = '';
205 if ( $notimeupdate != 0 ) {
206 // enable 'do not change timestamp'
207 $add_notimestamp = <<<EOD
208 <input type="checkbox" name="notimestamp" id="_edit_form_notimestamp" value="true"$checked_time />
209 <label for="_edit_form_notimestamp"><span class="small">$_btn_notchangetimestamp</span></label>
211 if ( $notimeupdate == 2 ) {
212 // enable only administrator
213 $add_notimestamp .= <<<EOD
214 <input type="password" name="pass" size="12" />
217 $add_notimestamp .= ' ';
221 <form action="$script" method="post">
222 <div class="edit_form">
225 <input type="hidden" name="cmd" value="edit" />
226 <input type="hidden" name="page" value="$s_page" />
227 <input type="hidden" name="digest" value="$s_digest" />
228 <textarea name="msg" rows="$rows" cols="$cols">$s_postdata</textarea>
230 <input type="submit" name="preview" value="$btn_preview" accesskey="p" />
231 <input type="submit" name="write" value="$_btn_update" accesskey="s" />
234 <input type="submit" name="cancel" value="$_btn_cancel" accesskey="c" />
235 <textarea name="original" rows="1" cols="1" style="display:none">$s_original</textarea>
240 if (isset($vars['help'])) {
241 $body .= $hr . catrule();
243 $body .= '<ul><li><a href="' .
244 $script . '?cmd=edit&help=true&page=' . $r_page .
245 '">' . $_msg_help . '</a></li></ul>';
252 function make_related($page, $tag = '')
254 global $script, $vars, $rule_related_str, $related_str, $non_list;
255 global $_ul_left_margin, $_ul_margin, $_list_pad_str;
257 $links = links_get_related($page);
266 $non_list_pattern = '/' . $non_list . '/';
267 foreach ($links as $page=>$lastmod) {
268 if (preg_match($non_list_pattern, $page)) continue;
270 $r_page = rawurlencode($page);
271 $s_page = htmlspecialchars($page);
272 $passage = get_passage($lastmod);
274 '<a href="' . $script . '?' . $r_page . '" title="' .
275 $s_page . ' ' . $passage . '">' . $s_page . '</a>' :
276 '<a href="' . $script . '?' . $r_page . '">' .
277 $s_page . '</a>' . $passage;
279 if (empty($_links)) return ''; // Nothing
281 if ($tag == 'p') { // From the line-head
282 $margin = $_ul_left_margin + $_ul_margin;
283 $style = sprintf($_list_pad_str, 1, $margin, $margin);
284 $retval = "\n" . '<ul' . $style . '>' . "\n" .
285 '<li>' . join($rule_related_str, $_links) . '</li>' . "\n" .
288 $retval = join($rule_related_str, $_links);
290 $retval = join($related_str, $_links);
296 // User-defined rules (convert without replacing source)
297 function make_line_rules($str)
300 static $pattern, $replace;
302 if (! isset($pattern)) {
303 $pattern = array_map(create_function('$a',
304 'return \'/\' . $a . \'/\';'), array_keys($line_rules));
305 $replace = array_values($line_rules);
309 return preg_replace($pattern, $replace, $str);
312 function strip_htmltag($str)
314 global $_symbol_noexists;
316 $noexists_pattern = '#<span class="noexists">([^<]*)<a[^>]+>' .
317 preg_quote($_symbol_noexists, '#') . '</a></span>#';
319 $str = preg_replace($noexists_pattern, '$1', $str);
320 //$str = preg_replace('/<a[^>]+>\?<\/a>/', '', $str);
321 return preg_replace('/<[^>]+>/', '', $str);
324 // Make a backlink. searching-link of the page name, by the page name, for the page name
325 function make_search($page)
329 $s_page = htmlspecialchars($page);
330 $r_page = rawurlencode($page);
332 return '<a href="' . $script . '?plugin=related&page=' . $r_page .
333 '">' . $s_page . '</a> ';
336 // Make heading (remove footnotes and HTML tags)
337 function make_heading(& $str, $strip = TRUE)
344 if (preg_match('/^(\*{0,3})(.*?)\[#([A-Za-z][\w-]+)\](.*?)$/m', $str, $matches)) {
345 $str = $matches[2] . $matches[4];
348 $str = preg_replace('/^\*{0,3}/', '', $str);
351 // Cut footnotes and tags
353 $str = strip_htmltag(make_link(preg_replace($NotePattern, '', $str)));
358 // Separate a page-name(or URL or null string) and an anchor
359 // (last one standing) without sharp
360 function anchor_explode($page, $strict_editable = FALSE)
362 $pos = strrpos($page, '#');
363 if ($pos === FALSE) return array($page, '', FALSE);
365 // Ignore the last sharp letter
366 if ($pos + 1 == strlen($page)) {
367 $pos = strpos(substr($page, $pos + 1), '#');
368 if ($pos === FALSE) return array($page, '', FALSE);
371 $s_page = substr($page, 0, $pos);
372 $anchor = substr($page, $pos + 1);
374 if($strict_editable === TRUE && preg_match('/^[a-z][a-f0-9]{7}$/', $anchor)) {
375 return array ($s_page, $anchor, TRUE); // Seems fixed-anchor
377 return array ($s_page, $anchor, FALSE);
381 // Check HTTP header()s were sent already, or
382 // there're blank lines or something out of php blocks
383 function pkwk_headers_sent()
385 if (PKWK_OPTIMISE) return;
388 if (version_compare(PHP_VERSION, '4.3.0', '>=')) {
389 if (headers_sent($file, $line))
390 die('Headers already sent at ' .
391 htmlspecialchars($file) .
392 ' line ' . $line . '.');
395 die('Headers already sent.');
399 // Output common HTTP headers
400 function pkwk_common_headers()
402 if (! PKWK_OPTIMISE) pkwk_headers_sent();
404 if(defined('PKWK_ZLIB_LOADABLE_MODULE')) {
406 if(ini_get('zlib.output_compression') &&
407 preg_match('/\b(gzip|deflate)\b/i', $_SERVER['HTTP_ACCEPT_ENCODING'], $matches)) {
408 // Bug #29350 output_compression compresses everything _without header_ as loadable module
409 // http://bugs.php.net/bug.php?id=29350
410 header('Content-Encoding: ' . $matches[1]);
411 header('Vary: Accept-Encoding');
417 define('PKWK_DTD_XHTML_1_1', 17); // Strict only
418 define('PKWK_DTD_XHTML_1_0', 16); // Strict
419 define('PKWK_DTD_XHTML_1_0_STRICT', 16);
420 define('PKWK_DTD_XHTML_1_0_TRANSITIONAL', 15);
421 define('PKWK_DTD_XHTML_1_0_FRAMESET', 14);
422 define('PKWK_DTD_HTML_4_01', 3); // Strict
423 define('PKWK_DTD_HTML_4_01_STRICT', 3);
424 define('PKWK_DTD_HTML_4_01_TRANSITIONAL', 2);
425 define('PKWK_DTD_HTML_4_01_FRAMESET', 1);
427 // Output HTML DTD, <html> start tag. Return content-type.
428 function pkwk_output_dtd($pkwk_dtd = PKWK_DTD_XHTML_1_1)
431 if (isset($called)) die('pkwk_output_dtd() already called. Why?');
437 case PKWK_DTD_XHTML_1_1 : $version = '1.1' ; $dtd = 'http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd'; break;
438 case PKWK_DTD_XHTML_1_0_STRICT : $version = '1.0' ; $option = 'Strict'; $dtd = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'; break;
439 case PKWK_DTD_XHTML_1_0_TRANSITIONAL: $version = '1.0' ; $option = 'Transitional'; $dtd = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'; break;
440 case PKWK_DTD_HTML_4_01_STRICT : $type = 'HTML'; $version = '4.01'; $dtd = 'http://www.w3.org/TR/html4/strict.dtd'; break;
441 case PKWK_DTD_HTML_4_01_TRANSITIONAL: $type = 'HTML'; $version = '4.01'; $option = 'Transitional'; $dtd = 'http://www.w3.org/TR/html4/loose.dtd'; break;
442 default: die('DTD not specified or invalid DTD'); break;
446 if ($type == 'XHTML') echo '<?xml version="1.0" encoding="' . CONTENT_CHARSET . '" ?>' . "\n";
449 echo '<!DOCTYPE html PUBLIC "-//W3C//DTD ' . $type . ' ' . $version . ($option != '' ? ' ' . $option : '') . '//EN" "' . $dtd . '">' . "\n";
451 // Output <html> start tag
453 if ($type == 'XHTML') {
454 echo ' xmlns="http://www.w3.org/1999/xhtml"'; // dir="ltr" /* LeftToRight */
455 echo ' xml:lang="' . LANG . '"';
456 if ($version == '1.0') echo ' lang="' . LANG . '"'; // Only XHTML 1.0
458 echo ' lang="' . LANG . '"'; // HTML
460 echo '>' . "\n"; // <html>
462 // Return content-type (with MIME type)
463 if ($type == 'XHTML') {
464 // NOTE: XHTML 1.1 browser will ignore http-equiv
465 return '<meta http-equiv="content-type" content="application/xhtml+xml; charset=' . CONTENT_CHARSET . '" />' . "\n";
467 return '<meta http-equiv="content-type" content="text/html; charset=' . CONTENT_CHARSET . '" />' . "\n";