2 // PukiWiki - Yet another WikiWikiWeb clone.
3 // $Id: html.php,v 1.38 2005/06/12 03:03:05 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 $attach_link, $related_link, $cantedit, $function_freeze;
16 global $search_word_color, $_msg_word, $foot_explain, $note_hr, $head_tags;
17 global $trackback, $trackback_javascript, $referer, $javascript;
19 global $_LANG, $_LINK, $_IMAGE;
21 global $pkwk_dtd; // XHTML 1.1, XHTML1.0, HTML 4.01 Transitional...
22 global $page_title; // Title of this site
23 global $do_backup; // Do backup or not
24 global $modifier; // Site administrator's web page
25 global $modifierlink; // Site administrator's name
27 if (! file_exists(SKIN_FILE) || ! is_readable(SKIN_FILE))
28 die_message('SKIN_FILE is not found');
30 $_LINK = $_IMAGE = array();
32 // Add JavaScript header when ...
33 if ($trackback && $trackback_javascript) $javascript = 1; // Set something If you want
34 if (! PKWK_ALLOW_JAVASCRIPT) unset($javascript);
36 $_page = isset($vars['page']) ? $vars['page'] : '';
37 $r_page = rawurlencode($_page);
39 // Set $_LINK for skin
40 $_LINK['add'] = "$script?cmd=add&page=$r_page";
41 $_LINK['backup'] = "$script?cmd=backup&page=$r_page";
42 $_LINK['copy'] = "$script?plugin=template&refer=$r_page";
43 $_LINK['diff'] = "$script?cmd=diff&page=$r_page";
44 $_LINK['edit'] = "$script?cmd=edit&page=$r_page";
45 $_LINK['filelist'] = "$script?cmd=filelist";
46 $_LINK['freeze'] = "$script?cmd=freeze&page=$r_page";
47 $_LINK['help'] = "$script?" . rawurlencode($help_page);
48 $_LINK['list'] = "$script?cmd=list";
49 $_LINK['new'] = "$script?plugin=newpage&refer=$r_page";
50 $_LINK['rdf'] = "$script?cmd=rss&ver=1.0";
51 $_LINK['recent'] = "$script?" . rawurlencode($whatsnew);
52 $_LINK['refer'] = "$script?plugin=referer&page=$r_page";
53 $_LINK['reload'] = "$script?$r_page";
54 $_LINK['rename'] = "$script?plugin=rename&refer=$r_page";
55 $_LINK['rss'] = "$script?cmd=rss";
56 $_LINK['rss10'] = "$script?cmd=rss&ver=1.0"; // Same as 'rdf'
57 $_LINK['rss20'] = "$script?cmd=rss&ver=2.0";
58 $_LINK['search'] = "$script?cmd=search";
59 $_LINK['top'] = "$script?" . rawurlencode($defaultpage);
61 $tb_id = tb_get_id($_page);
62 $_LINK['trackback'] = "$script?plugin=tb&__mode=view&tb_id=$tb_id";
64 $_LINK['unfreeze'] = "$script?cmd=unfreeze&page=$r_page";
65 $_LINK['upload'] = "$script?plugin=attach&pcmd=upload&page=$r_page";
67 // Compat: Skins for 1.4.4 and before
68 $link_add = & $_LINK['add'];
69 $link_new = & $_LINK['new']; // New!
70 $link_edit = & $_LINK['edit'];
71 $link_diff = & $_LINK['diff'];
72 $link_top = & $_LINK['top'];
73 $link_list = & $_LINK['list'];
74 $link_filelist = & $_LINK['filelist'];
75 $link_search = & $_LINK['search'];
76 $link_whatsnew = & $_LINK['recent'];
77 $link_backup = & $_LINK['backup'];
78 $link_help = & $_LINK['help'];
79 $link_trackback = & $_LINK['trackback']; // New!
80 $link_rdf = & $_LINK['rdf']; // New!
81 $link_rss = & $_LINK['rss'];
82 $link_rss10 = & $_LINK['rss10']; // New!
83 $link_rss20 = & $_LINK['rss20']; // New!
84 $link_freeze = & $_LINK['freeze'];
85 $link_unfreeze = & $_LINK['unfreeze'];
86 $link_upload = & $_LINK['upload'];
87 $link_template = & $_LINK['copy'];
88 $link_refer = & $_LINK['refer']; // New!
89 $link_rename = & $_LINK['rename'];
92 $is_page = (is_pagename($_page) && ! arg_check('backup') && $_page != $whatsnew);
93 $is_read = (arg_check('read') && is_page($_page));
94 $is_freeze = is_freeze($_page);
96 // Last modification date (string) of the page
97 $lastmodified = $is_read ? get_date('D, d M Y H:i:s T', get_filetime($_page)) .
98 ' ' . get_pg_passage($_page, FALSE) : '';
100 // List of attached files to the page
101 $attaches = ($attach_link && $is_read && exist_plugin_action('attach')) ?
102 attach_filelist() : '';
104 // List of related pages
105 $related = ($related_link && $is_read) ? make_related($_page) : '';
108 ksort($foot_explain, SORT_NUMERIC);
109 $notes = ! empty($foot_explain) ? $note_hr . join("\n", $foot_explain) : '';
111 // Tags will be inserted into <head></head>
112 $head_tag = ! empty($head_tags) ? join("\n", $head_tags) ."\n" : '';
115 // Last modification date (UNIX timestamp) of the page
116 $fmt = $is_read ? get_filetime($_page) + LOCALZONE : 0;
119 if ($search_word_color && isset($vars['word'])) {
120 $body = '<div class="small">' . $_msg_word . htmlspecialchars($vars['word']) .
121 '</div>' . $hr . "\n" . $body;
122 $words = array_flip(array_splice(
123 preg_split('/\s+/', $vars['word'], -1, PREG_SPLIT_NO_EMPTY),
126 foreach ($words as $word=>$id) $keys[$word] = strlen($word);
127 arsort($keys, SORT_NUMERIC);
128 $keys = get_search_words(array_keys($keys), TRUE);
130 foreach ($keys as $key=>$pattern) {
131 $s_key = htmlspecialchars($key);
132 $pattern = '/<[^>]*>|(' . $pattern . ')|&[^;]+;/';
133 $callback = create_function(
135 'return (count($arr) > 1) ? \'<strong class="word' .
136 $id++ . '">\' . $arr[1] . \'</strong>\' : $arr[0];'
138 $body = preg_replace_callback($pattern, $callback, $body);
139 $notes = preg_replace_callback($pattern, $callback, $notes);
143 $longtaketime = getmicrotime() - MUTIME;
144 $taketime = sprintf('%01.03f', $longtaketime);
150 function edit_form($page, $postdata, $digest = FALSE, $b_template = TRUE)
152 global $script, $vars, $rows, $cols, $hr, $function_freeze;
153 global $_btn_addtop, $_btn_preview, $_btn_repreview, $_btn_update, $_btn_cancel,
154 $_msg_help, $_btn_notchangetimestamp;
155 global $whatsnew, $_btn_template, $_btn_load, $non_list, $load_template_func;
156 global $notimeupdate;
158 // Newly generate $digest or not
159 if ($digest === FALSE) $digest = md5(join('', get_source($page)));
161 $refer = $template = $addtag = $add_top = '';
163 $checked_top = isset($vars['add_top']) ? ' checked="checked"' : '';
164 $checked_time = isset($vars['notimestamp']) ? ' checked="checked"' : '';
166 if(isset($vars['add'])) {
167 $addtag = '<input type="hidden" name="add" value="true" />';
168 $add_top = '<input type="checkbox" name="add_top" value="true"' .
169 $checked_top . ' /><span class="small">' .
170 $_btn_addtop . '</span>';
173 if($load_template_func && $b_template) {
175 $non_list_pattern = '/' . $non_list . '/';
176 foreach(get_existpages() as $_page) {
177 if ($_page == $whatsnew || preg_match($non_list_pattern, $_page))
179 $s_page = htmlspecialchars($_page);
180 $pages[$_page] = ' <option value="' . $s_page . '">' .
181 $s_page . '</option>';
184 $s_pages = join("\n", $pages);
186 <select name="template_page">
187 <option value="">-- $_btn_template --</option>
190 <input type="submit" name="template" value="$_btn_load" accesskey="r" />
194 if (isset($vars['refer']) && $vars['refer'] != '')
195 $refer = '[[' . strip_bracket($vars['refer']) . ']]' . "\n\n";
198 $r_page = rawurlencode($page);
199 $s_page = htmlspecialchars($page);
200 $s_digest = htmlspecialchars($digest);
201 $s_postdata = htmlspecialchars($refer . $postdata);
202 $s_original = isset($vars['original']) ? htmlspecialchars($vars['original']) : $s_postdata;
203 $b_preview = isset($vars['preview']); // TRUE when preview
204 $btn_preview = $b_preview ? $_btn_repreview : $_btn_preview;
206 $add_notimestamp = '';
207 if ( $notimeupdate != 0 ) {
208 // enable 'do not change timestamp'
209 $add_notimestamp = <<<EOD
210 <input type="checkbox" name="notimestamp" id="_edit_form_notimestamp" value="true"$checked_time />
211 <label for="_edit_form_notimestamp"><span class="small">$_btn_notchangetimestamp</span></label>
213 if ( $notimeupdate == 2 ) {
214 // enable only administrator
215 $add_notimestamp .= <<<EOD
216 <input type="password" name="pass" size="12" />
219 $add_notimestamp .= ' ';
223 <form action="$script" method="post">
224 <div class="edit_form">
227 <input type="hidden" name="cmd" value="edit" />
228 <input type="hidden" name="page" value="$s_page" />
229 <input type="hidden" name="digest" value="$s_digest" />
230 <textarea name="msg" rows="$rows" cols="$cols">$s_postdata</textarea>
232 <input type="submit" name="preview" value="$btn_preview" accesskey="p" />
233 <input type="submit" name="write" value="$_btn_update" accesskey="s" />
236 <input type="submit" name="cancel" value="$_btn_cancel" accesskey="c" />
237 <textarea name="original" rows="1" cols="1" style="display:none">$s_original</textarea>
242 if (isset($vars['help'])) {
243 $body .= $hr . catrule();
245 $body .= '<ul><li><a href="' .
246 $script . '?cmd=edit&help=true&page=' . $r_page .
247 '">' . $_msg_help . '</a></li></ul>';
254 function make_related($page, $tag = '')
256 global $script, $vars, $rule_related_str, $related_str, $non_list;
257 global $_ul_left_margin, $_ul_margin, $_list_pad_str;
259 $links = links_get_related($page);
268 $non_list_pattern = '/' . $non_list . '/';
269 foreach ($links as $page=>$lastmod) {
270 if (preg_match($non_list_pattern, $page)) continue;
272 $r_page = rawurlencode($page);
273 $s_page = htmlspecialchars($page);
274 $passage = get_passage($lastmod);
276 '<a href="' . $script . '?' . $r_page . '" title="' .
277 $s_page . ' ' . $passage . '">' . $s_page . '</a>' :
278 '<a href="' . $script . '?' . $r_page . '">' .
279 $s_page . '</a>' . $passage;
281 if (empty($_links)) return ''; // Nothing
283 if ($tag == 'p') { // From the line-head
284 $margin = $_ul_left_margin + $_ul_margin;
285 $style = sprintf($_list_pad_str, 1, $margin, $margin);
286 $retval = "\n" . '<ul' . $style . '>' . "\n" .
287 '<li>' . join($rule_related_str, $_links) . '</li>' . "\n" .
290 $retval = join($rule_related_str, $_links);
292 $retval = join($related_str, $_links);
298 // User-defined rules (convert without replacing source)
299 function make_line_rules($str)
302 static $pattern, $replace;
304 if (! isset($pattern)) {
305 $pattern = array_map(create_function('$a',
306 'return \'/\' . $a . \'/\';'), array_keys($line_rules));
307 $replace = array_values($line_rules);
311 return preg_replace($pattern, $replace, $str);
314 function strip_htmltag($str)
316 global $_symbol_noexists;
317 static $noexists_pattern;
319 if (! isset($noexists_pattern))
320 $noexists_pattern = '#<span class="noexists">([^<]*)<a[^>]+>' .
321 preg_quote($_symbol_noexists, '#') . '</a></span>#';
323 $str = preg_replace($noexists_pattern, '$1', $str);
324 //$str = preg_replace('/<a[^>]+>\?<\/a>/', '', $str);
326 return preg_replace('/<[^>]+>/', '', $str);
329 // Make a backlink. searching-link of the page name, by the page name, for the page name
330 function make_search($page)
334 $s_page = htmlspecialchars($page);
335 $r_page = rawurlencode($page);
337 return '<a href="' . $script . '?plugin=related&page=' . $r_page .
338 '">' . $s_page . '</a> ';
341 // Make heading (remove footnotes and HTML tags)
342 function make_heading(& $str, $strip = TRUE)
349 if (preg_match('/^(\*{0,3})(.*?)\[#([A-Za-z][\w-]+)\](.*?)$/m', $str, $matches)) {
350 $str = $matches[2] . $matches[4];
353 $str = preg_replace('/^\*{0,3}/', '', $str);
356 // Cut footnotes and tags
358 $str = strip_htmltag(make_link(preg_replace($NotePattern, '', $str)));
363 // Separate a page-name(or URL or null string) and an anchor
364 // (last one standing) without sharp
365 function anchor_explode($page, $strict_editable = FALSE)
367 $pos = strrpos($page, '#');
368 if ($pos === FALSE) return array($page, '', FALSE);
370 // Ignore the last sharp letter
371 if ($pos + 1 == strlen($page)) {
372 $pos = strpos(substr($page, $pos + 1), '#');
373 if ($pos === FALSE) return array($page, '', FALSE);
376 $s_page = substr($page, 0, $pos);
377 $anchor = substr($page, $pos + 1);
379 if($strict_editable === TRUE && preg_match('/^[a-z][a-f0-9]{7}$/', $anchor)) {
380 return array ($s_page, $anchor, TRUE); // Seems fixed-anchor
382 return array ($s_page, $anchor, FALSE);
386 // Check HTTP header()s were sent already, or
387 // there're blank lines or something out of php blocks
388 function pkwk_headers_sent()
390 if (PKWK_OPTIMISE) return;
393 if (version_compare(PHP_VERSION, '4.3.0', '>=')) {
394 if (headers_sent($file, $line))
395 die('Headers already sent at ' .
396 htmlspecialchars($file) .
397 ' line ' . $line . '.');
400 die('Headers already sent.');
404 // Output common HTTP headers
405 function pkwk_common_headers()
407 if (! PKWK_OPTIMISE) pkwk_headers_sent();
409 if(defined('PKWK_ZLIB_LOADABLE_MODULE')) {
411 if(ini_get('zlib.output_compression') &&
412 preg_match('/\b(gzip|deflate)\b/i', $_SERVER['HTTP_ACCEPT_ENCODING'], $matches)) {
413 // Bug #29350 output_compression compresses everything _without header_ as loadable module
414 // http://bugs.php.net/bug.php?id=29350
415 header('Content-Encoding: ' . $matches[1]);
416 header('Vary: Accept-Encoding');
422 define('PKWK_DTD_XHTML_1_1', 17); // Strict only
423 define('PKWK_DTD_XHTML_1_0', 16); // Strict
424 define('PKWK_DTD_XHTML_1_0_STRICT', 16);
425 define('PKWK_DTD_XHTML_1_0_TRANSITIONAL', 15);
426 define('PKWK_DTD_XHTML_1_0_FRAMESET', 14);
427 define('PKWK_DTD_HTML_4_01', 3); // Strict
428 define('PKWK_DTD_HTML_4_01_STRICT', 3);
429 define('PKWK_DTD_HTML_4_01_TRANSITIONAL', 2);
430 define('PKWK_DTD_HTML_4_01_FRAMESET', 1);
432 define('PKWK_DTD_TYPE_XHTML', 1);
433 define('PKWK_DTD_TYPE_HTML', 0);
435 // Output HTML DTD, <html> start tag. Return content-type.
436 function pkwk_output_dtd($pkwk_dtd = PKWK_DTD_XHTML_1_1, $charset = CONTENT_CHARSET)
439 if (isset($called)) die('pkwk_output_dtd() already called. Why?');
442 $type = PKWK_DTD_TYPE_XHTML;
445 case PKWK_DTD_XHTML_1_1 :
447 $dtd = 'http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd';
449 case PKWK_DTD_XHTML_1_0_STRICT :
452 $dtd = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd';
454 case PKWK_DTD_XHTML_1_0_TRANSITIONAL:
456 $option = 'Transitional';
457 $dtd = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd';
460 case PKWK_DTD_HTML_4_01_STRICT :
461 $type = PKWK_DTD_TYPE_HTML;
463 $dtd = 'http://www.w3.org/TR/html4/strict.dtd';
465 case PKWK_DTD_HTML_4_01_TRANSITIONAL:
466 $type = PKWK_DTD_TYPE_HTML;
468 $option = 'Transitional';
469 $dtd = 'http://www.w3.org/TR/html4/loose.dtd';
472 default: die('DTD not specified or invalid DTD');
476 $charset = htmlspecialchars($charset);
479 if ($type == PKWK_DTD_TYPE_XHTML) echo '<?xml version="1.0" encoding="' . $charset . '" ?>' . "\n";
482 echo '<!DOCTYPE html PUBLIC "-//W3C//DTD ' .
483 ($type == PKWK_DTD_TYPE_XHTML ? 'XHTML' : 'HTML') . ' ' .
485 ($option != '' ? ' ' . $option : '') .
490 // Output <html> start tag
492 if ($type == PKWK_DTD_TYPE_XHTML) {
493 echo ' xmlns="http://www.w3.org/1999/xhtml"'; // dir="ltr" /* LeftToRight */
494 echo ' xml:lang="' . LANG . '"';
495 if ($version == '1.0') echo ' lang="' . LANG . '"'; // Only XHTML 1.0
497 echo ' lang="' . LANG . '"'; // HTML
499 echo '>' . "\n"; // <html>
501 // Return content-type (with MIME type)
502 if ($type == PKWK_DTD_TYPE_XHTML) {
503 // NOTE: XHTML 1.1 browser will ignore http-equiv
504 return '<meta http-equiv="content-type" content="application/xhtml+xml; charset=' . $charset . '" />' . "\n";
506 return '<meta http-equiv="content-type" content="text/html; charset=' . $charset . '" />' . "\n";