1 |
552
|
thorn
|
<?php
|
2 |
|
|
|
3 |
554
|
Ruebenwurz
|
// $Id$
|
4 |
552
|
thorn
|
|
5 |
|
|
/*
|
6 |
|
|
|
7 |
|
|
Website Baker Project <http://www.websitebaker.org/>
|
8 |
|
|
Copyright (C) 2004-2008, Ryan Djurovich
|
9 |
|
|
|
10 |
|
|
Website Baker is free software; you can redistribute it and/or modify
|
11 |
|
|
it under the terms of the GNU General Public License as published by
|
12 |
|
|
the Free Software Foundation; either version 2 of the License, or
|
13 |
|
|
(at your option) any later version.
|
14 |
|
|
|
15 |
|
|
Website Baker is distributed in the hope that it will be useful,
|
16 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
17 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
18 |
|
|
GNU General Public License for more details.
|
19 |
|
|
|
20 |
|
|
You should have received a copy of the GNU General Public License
|
21 |
|
|
along with Website Baker; if not, write to the Free Software
|
22 |
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
23 |
|
|
|
24 |
|
|
*/
|
25 |
|
|
|
26 |
|
|
// make the url-string for highlighting
|
27 |
|
|
function make_url_searchstring($search_match, $search_url_array) {
|
28 |
|
|
$link = "";
|
29 |
|
|
if ($search_match != 'exact') {
|
30 |
|
|
$str = implode(" ", $search_url_array);
|
31 |
|
|
$link = "?searchresult=1&sstring=".urlencode($str);
|
32 |
|
|
} else {
|
33 |
761
|
thorn
|
$str = str_replace(' ', '_', $search_url_array[0]);
|
34 |
552
|
thorn
|
$link = "?searchresult=2&sstring=".urlencode($str);
|
35 |
|
|
}
|
36 |
|
|
return $link;
|
37 |
|
|
}
|
38 |
|
|
|
39 |
|
|
// make date and time for "last modified by... on ..."-string
|
40 |
|
|
function get_page_modified($page_modified_when) {
|
41 |
|
|
global $TEXT;
|
42 |
|
|
if($page_modified_when > 0) {
|
43 |
|
|
$date = gmdate(DATE_FORMAT, $page_modified_when+TIMEZONE);
|
44 |
|
|
$time = gmdate(TIME_FORMAT, $page_modified_when+TIMEZONE);
|
45 |
|
|
} else {
|
46 |
|
|
$date = $TEXT['UNKNOWN'].' '.$TEXT['DATE'];
|
47 |
|
|
$time = $TEXT['UNKNOWN'].' '.$TEXT['TIME'];
|
48 |
|
|
}
|
49 |
|
|
return array($date, $time);
|
50 |
|
|
}
|
51 |
|
|
|
52 |
|
|
// make username and displayname for "last modified by... on ..."-string
|
53 |
|
|
function get_page_modified_by($page_modified_by, $users) {
|
54 |
|
|
global $TEXT;
|
55 |
|
|
if($page_modified_by > 0) {
|
56 |
|
|
$username = $users[$page_modified_by]['username'];
|
57 |
|
|
$displayname = $users[$page_modified_by]['display_name'];
|
58 |
|
|
} else {
|
59 |
|
|
$username = "";
|
60 |
|
|
$displayname = $TEXT['UNKNOWN'];
|
61 |
|
|
}
|
62 |
|
|
return array($username, $displayname);
|
63 |
|
|
}
|
64 |
|
|
|
65 |
|
|
// checks if _all_ searchwords matches
|
66 |
|
|
function is_all_matched($text, $search_words) {
|
67 |
|
|
$all_matched = true;
|
68 |
|
|
foreach ($search_words AS $word) {
|
69 |
|
|
if(!preg_match('/'.$word.'/iu', $text)) {
|
70 |
|
|
$all_matched = false;
|
71 |
|
|
break;
|
72 |
|
|
}
|
73 |
|
|
}
|
74 |
|
|
return $all_matched;
|
75 |
|
|
}
|
76 |
|
|
|
77 |
|
|
// checks if _any_ of the searchwords matches
|
78 |
|
|
function is_any_matched($text, $search_words) {
|
79 |
|
|
$any_matched = false;
|
80 |
761
|
thorn
|
$word = '('.implode('|', $search_words).')';
|
81 |
552
|
thorn
|
if(preg_match('/'.$word.'/iu', $text)) {
|
82 |
|
|
$any_matched = true;
|
83 |
|
|
}
|
84 |
|
|
return $any_matched;
|
85 |
|
|
}
|
86 |
|
|
|
87 |
|
|
// collects the matches from text in excerpt_array
|
88 |
|
|
function get_excerpts($text, $search_words, $max_excerpt_num) {
|
89 |
|
|
$match_array = array();
|
90 |
|
|
$excerpt_array = array();
|
91 |
761
|
thorn
|
$word = '('.implode('|', $search_words).')';
|
92 |
552
|
thorn
|
// Build the regex-string
|
93 |
761
|
thorn
|
// start-sign: .!?; + INVERTED EXCLAMATION MARK - INVERTED QUESTION MARK - DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA
|
94 |
552
|
thorn
|
$str1=".!?;"."\xC2\xA1"."\xC2\xBF"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81";
|
95 |
761
|
thorn
|
// stop-sign: .!?; + DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA
|
96 |
552
|
thorn
|
$str2=".!?;"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81";
|
97 |
761
|
thorn
|
$regex='/(?:^|\b|['.$str1.'])([^'.$str1.']{0,200}?'.$word.'[^'.$str2.']{0,200}(?:['.$str2.']|\b|$))/Sisu';
|
98 |
769
|
thorn
|
if(version_compare(PHP_VERSION, '4.3.3', '>=')) {
|
99 |
761
|
thorn
|
// jump from match to match, get excerpt, stop if $max_excerpt_num is reached
|
100 |
|
|
$last_end = 0; $offset = 0;
|
101 |
|
|
while(preg_match('/'.$word.'/Sisu', $text, $match_array, PREG_OFFSET_CAPTURE, $last_end)) {
|
102 |
|
|
$offset = ($match_array[0][1]-206 < $last_end)?$last_end:$match_array[0][1]-206;
|
103 |
|
|
if(preg_match($regex, $text, $matches, PREG_OFFSET_CAPTURE, $offset)) {
|
104 |
|
|
$last_end = $matches[1][1]+strlen($matches[1][0])-1;
|
105 |
|
|
if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./S', $matches[1][0])) // skip excerpts with email-addresses
|
106 |
|
|
$excerpt_array[] = trim($matches[1][0]);
|
107 |
|
|
if(count($excerpt_array)>=$max_excerpt_num) {
|
108 |
|
|
$excerpt_array = array_unique($excerpt_array);
|
109 |
|
|
if(count($excerpt_array) >= $max_excerpt_num)
|
110 |
|
|
break;
|
111 |
|
|
}
|
112 |
|
|
} else { // problem - preg_match failed: can't find a start- or stop-sign
|
113 |
|
|
$last_end += 201; // jump forward and try again
|
114 |
|
|
}
|
115 |
552
|
thorn
|
}
|
116 |
761
|
thorn
|
} else { // compatile, but may be very slow with many large pages
|
117 |
|
|
if(preg_match_all($regex, $text, $match_array)) {
|
118 |
|
|
foreach($match_array[1] AS $string) {
|
119 |
|
|
if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./S', $string)) // skip excerpts with email-addresses
|
120 |
|
|
$excerpt_array[] = trim($string);
|
121 |
|
|
}
|
122 |
|
|
}
|
123 |
552
|
thorn
|
}
|
124 |
|
|
return $excerpt_array;
|
125 |
|
|
}
|
126 |
|
|
|
127 |
|
|
// makes excerpt_array a string ready to print out
|
128 |
|
|
function prepare_excerpts($excerpt_array, $search_words, $max_excerpt_num) {
|
129 |
|
|
// excerpts: text before and after a single excerpt, html-tag for markup
|
130 |
|
|
$EXCERPT_BEFORE = '... ';
|
131 |
|
|
$EXCERPT_AFTER = ' ...<br />';
|
132 |
|
|
$EXCERPT_MARKUP_START = '<b>';
|
133 |
|
|
$EXCERPT_MARKUP_END = '</b>';
|
134 |
|
|
// remove duplicate matches from $excerpt_array, if any.
|
135 |
|
|
$excerpt_array = array_unique($excerpt_array);
|
136 |
|
|
// use the first $max_excerpt_num excerpts only
|
137 |
|
|
if(count($excerpt_array) > $max_excerpt_num) {
|
138 |
|
|
$excerpt_array = array_slice($excerpt_array, 0, $max_excerpt_num);
|
139 |
|
|
}
|
140 |
|
|
// prepare search-string
|
141 |
|
|
$string = "(".implode("|", $search_words).")";
|
142 |
|
|
// we want markup on search-results page,
|
143 |
|
|
// but we need some 'magic' to prevent <br />, <b>... from being highlighted
|
144 |
|
|
$excerpt = '';
|
145 |
|
|
foreach($excerpt_array as $str) {
|
146 |
|
|
$excerpt .= '#,,#'.preg_replace("/($string)/iu","#,,,,#$1#,,,,,#",$str).'#,,,#';
|
147 |
|
|
}
|
148 |
761
|
thorn
|
$excerpt = str_replace(array('&','<','>','"','\'',"\xC2\xA0"), array('&','<','>','"',''',' '), $excerpt);
|
149 |
|
|
$excerpt = str_replace(array('#,,,,#','#,,,,,#'), array($EXCERPT_MARKUP_START,$EXCERPT_MARKUP_END), $excerpt);
|
150 |
|
|
$excerpt = str_replace(array('#,,#','#,,,#'), array($EXCERPT_BEFORE,$EXCERPT_AFTER), $excerpt);
|
151 |
552
|
thorn
|
// prepare to write out
|
152 |
|
|
if(DEFAULT_CHARSET != 'utf-8') {
|
153 |
|
|
$excerpt = umlauts_to_entities($excerpt, 'UTF-8');
|
154 |
|
|
}
|
155 |
|
|
return $excerpt;
|
156 |
|
|
}
|
157 |
|
|
|
158 |
761
|
thorn
|
// work out what the link-anchor should be
|
159 |
552
|
thorn
|
function make_url_target($page_link_target, $text, $search_words) {
|
160 |
|
|
// 1. e.g. $page_link_target=="&monthno=5&year=2007" - module-dependent target. Do nothing.
|
161 |
|
|
// 2. $page_link_target=="#!wb_section_..." - the user wants the section-target, so do nothing.
|
162 |
|
|
// 3. $page_link_target=="#wb_section_..." - try to find a better target, use the section-target as fallback.
|
163 |
|
|
// 4. $page_link_target=="" - do nothing
|
164 |
761
|
thorn
|
if(version_compare(PHP_VERSION, '4.3.3', ">=") && substr($page_link_target,0,12)=='#wb_section_') {
|
165 |
552
|
thorn
|
$word = '('.implode('|', $search_words).')';
|
166 |
|
|
preg_match('/'.$word.'/iu', $text, $match, PREG_OFFSET_CAPTURE);
|
167 |
|
|
if($match && is_array($match[0])) {
|
168 |
761
|
thorn
|
$x=$match[0][1]; // position of first match
|
169 |
552
|
thorn
|
// is there an anchor nearby?
|
170 |
761
|
thorn
|
if(preg_match_all('/<(?:[^>]+id|\s*a[^>]+name)\s*=\s*"(.*)"/SiU', substr($text,0,$x), $match, PREG_OFFSET_CAPTURE)) {
|
171 |
552
|
thorn
|
$anchor='';
|
172 |
|
|
foreach($match[1] AS $array) {
|
173 |
|
|
if($array[1] > $x) {
|
174 |
|
|
break;
|
175 |
|
|
}
|
176 |
|
|
$anchor = $array[0];
|
177 |
|
|
}
|
178 |
|
|
if($anchor != '') {
|
179 |
|
|
$page_link_target = '#'.$anchor;
|
180 |
|
|
}
|
181 |
|
|
}
|
182 |
|
|
}
|
183 |
|
|
}
|
184 |
|
|
elseif(substr($page_link_target,0,13)=='#!wb_section_') {
|
185 |
|
|
$page_link_target = '#'.substr($page_link_target, 2);
|
186 |
|
|
}
|
187 |
|
|
return $page_link_target;
|
188 |
|
|
}
|
189 |
|
|
|
190 |
|
|
// wrapper for compatibility with old print_excerpt()
|
191 |
|
|
function print_excerpt($page_link, $page_link_target, $page_title, $page_description, $page_modified_when, $page_modified_by, $text, $max_excerpt_num, $func_vars, $pic_link="") {
|
192 |
|
|
$mod_vars = array(
|
193 |
|
|
'page_link' => $page_link,
|
194 |
|
|
'page_link_target' => $page_link_target,
|
195 |
|
|
'page_title' => $page_title,
|
196 |
|
|
'page_description' => $page_description,
|
197 |
|
|
'page_modified_when' => $page_modified_when,
|
198 |
|
|
'page_modified_by' => $page_modified_by,
|
199 |
|
|
'text' => $text,
|
200 |
|
|
'max_excerpt_num' => $max_excerpt_num,
|
201 |
|
|
'pic_link' => $pic_link
|
202 |
|
|
);
|
203 |
|
|
print_excerpt2($mod_vars, $func_vars);
|
204 |
|
|
}
|
205 |
|
|
|
206 |
|
|
/* These functions can be used in module-supplied search_funcs
|
207 |
|
|
* -----------------------------------------------------------
|
208 |
|
|
* print_excerpt2() - the main-function to use in all search_funcs
|
209 |
|
|
* print_excerpt() - wrapper for compatibility-reason. Use print_excerpt2() instead.
|
210 |
|
|
* list_files_dirs() - lists all files and dirs below a given directory
|
211 |
|
|
* clear_filelist() - keeps only wanted or removes unwanted entries in file-list.
|
212 |
|
|
*/
|
213 |
|
|
|
214 |
|
|
// prints the excerpts for one section
|
215 |
|
|
function print_excerpt2($mod_vars, $func_vars) {
|
216 |
|
|
extract($func_vars, EXTR_PREFIX_ALL, 'func');
|
217 |
|
|
extract($mod_vars, EXTR_PREFIX_ALL, 'mod');
|
218 |
|
|
global $TEXT;
|
219 |
|
|
// check $mod_...vars
|
220 |
|
|
if(!isset($mod_page_link)) $mod_page_link = $func_page_link;
|
221 |
|
|
if(!isset($mod_page_link_target)) $mod_page_link_target = "";
|
222 |
|
|
if(!isset($mod_page_title)) $mod_page_title = $func_page_title;
|
223 |
|
|
if(!isset($mod_page_description)) $mod_page_description = $func_page_description;
|
224 |
|
|
if(!isset($mod_page_modified_when)) $mod_page_modified_when = $func_page_modified_when;
|
225 |
|
|
if(!isset($mod_page_modified_by)) $mod_page_modified_by = $func_page_modified_by;
|
226 |
|
|
if(!isset($mod_text)) $mod_text = "";
|
227 |
|
|
if(!isset($mod_max_excerpt_num)) $mod_max_excerpt_num = $func_default_max_excerpt;
|
228 |
|
|
if(!isset($mod_pic_link)) $mod_pic_link = "";
|
229 |
|
|
if(!isset($mod_no_highlight)) $mod_no_highlight = false;
|
230 |
761
|
thorn
|
if(!isset($func_enable_flush)) $func_enable_flush = false; // set this in db: wb_search.cfg_enable_flush [READ THE DOC BEFORE]
|
231 |
552
|
thorn
|
if($mod_text == "") // nothing to do
|
232 |
|
|
{ return false; }
|
233 |
|
|
if($mod_no_highlight) // no highlighting
|
234 |
743
|
thorn
|
{ $mod_page_link_target = "&nohighlight=1".$mod_page_link_target; }
|
235 |
761
|
thorn
|
// clean the text:
|
236 |
|
|
$mod_text = str_replace(array("\x0D","\x0A"), ' ', $mod_text);
|
237 |
|
|
$mod_text = preg_replace('#<(!--.*--|style.*</style|script.*</script)>#SiU', ' ', $mod_text);
|
238 |
|
|
$mod_text = preg_replace('#<(br( /)?|dt|/dd|/?(h[1-6]|tr|table|p|li|ul|pre|code|div|hr))[^>]*>#Si', '.', $mod_text);
|
239 |
552
|
thorn
|
$mod_text = entities_to_umlauts($mod_text, 'UTF-8');
|
240 |
761
|
thorn
|
// search for an better anchor - this have to be done before strip_tags() (may fail if search-string contains <, &, amp, gt, lt, ...)
|
241 |
|
|
$anchor = make_url_target($mod_page_link_target, $mod_text, $func_search_words);
|
242 |
552
|
thorn
|
$mod_text = strip_tags($mod_text);
|
243 |
761
|
thorn
|
$mod_text = str_replace(array('>','<','&','"',''',''',' '), array('>','<','&','"','\'','\'',"\xC2\xA0"), $mod_text);
|
244 |
552
|
thorn
|
// Do a fast scan over $mod_text first. This will speedup things a lot.
|
245 |
|
|
if($func_search_match == 'all') {
|
246 |
761
|
thorn
|
if(!is_all_matched($mod_text, $func_search_words))
|
247 |
552
|
thorn
|
return false;
|
248 |
|
|
}
|
249 |
|
|
elseif(!is_any_matched($mod_text, $func_search_words)) {
|
250 |
|
|
return false;
|
251 |
|
|
}
|
252 |
|
|
|
253 |
761
|
thorn
|
// make the link from $mod_page_link, add anchor
|
254 |
|
|
$link = "";
|
255 |
|
|
$link = page_link($mod_page_link);
|
256 |
|
|
$link .= make_url_searchstring($func_search_match, $func_search_url_array);
|
257 |
|
|
$link .= $anchor;
|
258 |
|
|
|
259 |
552
|
thorn
|
// now get the excerpt
|
260 |
|
|
$excerpt = "";
|
261 |
|
|
$excerpt_array = array();
|
262 |
|
|
if($mod_max_excerpt_num > 0) {
|
263 |
|
|
if(!$excerpt_array = get_excerpts($mod_text, $func_search_words, $mod_max_excerpt_num)) {
|
264 |
|
|
return false;
|
265 |
|
|
}
|
266 |
|
|
$excerpt = prepare_excerpts($excerpt_array, $func_search_words, $mod_max_excerpt_num);
|
267 |
|
|
}
|
268 |
|
|
|
269 |
761
|
thorn
|
// handle thumbs - to deactivate this look in the module's search.php: $show_thumb (or maybe in the module's settings-page)
|
270 |
552
|
thorn
|
if($mod_pic_link != "") {
|
271 |
761
|
thorn
|
$excerpt = '<table class="excerpt_thumb" width="100%" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td width="110" valign="top"><a href="'.$link.'"><img src="'.WB_URL.'/'.MEDIA_DIRECTORY.$mod_pic_link.'" alt="" /></a></td><td>'.$excerpt.'</td></tr></tbody></table>';
|
272 |
552
|
thorn
|
}
|
273 |
|
|
|
274 |
|
|
// print-out the excerpt
|
275 |
|
|
$vars = array();
|
276 |
|
|
$values = array();
|
277 |
|
|
list($date, $time) = get_page_modified($mod_page_modified_when);
|
278 |
|
|
list($username, $displayname) = get_page_modified_by($mod_page_modified_by, $func_users);
|
279 |
|
|
$vars = array('[LINK]', '[TITLE]', '[DESCRIPTION]', '[USERNAME]','[DISPLAY_NAME]','[DATE]','[TIME]','[TEXT_LAST_UPDATED_BY]','[TEXT_ON]','[EXCERPT]');
|
280 |
|
|
$values = array(
|
281 |
|
|
$link,
|
282 |
|
|
$mod_page_title,
|
283 |
|
|
$mod_page_description,
|
284 |
|
|
$username,
|
285 |
|
|
$displayname,
|
286 |
|
|
$date,
|
287 |
|
|
$time,
|
288 |
|
|
$TEXT['LAST_UPDATED_BY'],
|
289 |
|
|
$TEXT['ON'],
|
290 |
|
|
$excerpt
|
291 |
|
|
);
|
292 |
|
|
echo str_replace($vars, $values, $func_results_loop_string);
|
293 |
761
|
thorn
|
if($func_enable_flush) { // ATTN: this will bypass output-filters and may break template-layout or -filters
|
294 |
|
|
ob_flush();flush();
|
295 |
|
|
}
|
296 |
552
|
thorn
|
return true;
|
297 |
|
|
}
|
298 |
|
|
|
299 |
|
|
// list all files and dirs in $dir (recursive), omits '.' and '..'
|
300 |
|
|
// returns an array of two arrays ($files[] and $dirs[]).
|
301 |
|
|
// usage: list($files,$dirs) = list_files_dirs($directory);
|
302 |
|
|
// $depth: get subdirs (true/false)
|
303 |
|
|
function list_files_dirs($dir, $depth=true, $files=array(), $dirs=array()) {
|
304 |
|
|
$dh=opendir($dir);
|
305 |
|
|
while(($file = readdir($dh)) !== false) {
|
306 |
|
|
if($file == '.' || $file == '..') {
|
307 |
|
|
continue;
|
308 |
|
|
}
|
309 |
|
|
if(is_dir($dir.'/'.$file)) {
|
310 |
|
|
if($depth) {
|
311 |
|
|
$dirs[] = $dir.'/'.$file;
|
312 |
|
|
list($files, $dirs) = list_files_dirs($dir.'/'.$file, $depth, $files, $dirs);
|
313 |
|
|
}
|
314 |
|
|
} else {
|
315 |
|
|
$files[] = $dir.'/'.$file;
|
316 |
|
|
}
|
317 |
|
|
}
|
318 |
|
|
closedir($dh);
|
319 |
|
|
natcasesort($files);
|
320 |
|
|
natcasesort($dirs);
|
321 |
|
|
return(array($files, $dirs));
|
322 |
|
|
}
|
323 |
|
|
|
324 |
|
|
// keeps only wanted entries in array $files. $str have to be an eregi()-compatible regex
|
325 |
|
|
function clear_filelist($files, $str, $keep=true) {
|
326 |
761
|
thorn
|
// options: $keep = true : remove all non-matching entries
|
327 |
|
|
// $keep = false : remove all matching entries
|
328 |
552
|
thorn
|
$c_filelist = array();
|
329 |
|
|
if($str == '')
|
330 |
|
|
return $files;
|
331 |
|
|
foreach($files as $file) {
|
332 |
|
|
if($keep) {
|
333 |
|
|
if(eregi($str, $file)) {
|
334 |
|
|
$c_filelist[] = $file;
|
335 |
|
|
}
|
336 |
|
|
} else {
|
337 |
|
|
if(!eregi($str, $file)) {
|
338 |
|
|
$c_filelist[] = $file;
|
339 |
|
|
}
|
340 |
|
|
}
|
341 |
|
|
}
|
342 |
|
|
return($c_filelist);
|
343 |
|
|
}
|
344 |
|
|
|
345 |
|
|
?>
|