0) {
$date = gmdate(DATE_FORMAT, $page_modified_when+TIMEZONE);
$time = gmdate(TIME_FORMAT, $page_modified_when+TIMEZONE);
} else {
$date = $TEXT['UNKNOWN'].' '.$TEXT['DATE'];
$time = $TEXT['UNKNOWN'].' '.$TEXT['TIME'];
}
return array($date, $time);
}
// make username and displayname for "last modified by... on ..."-string
function get_page_modified_by($page_modified_by, $users) {
global $TEXT;
if($page_modified_by>0) {
$username = $users[$page_modified_by]['username'];
$displayname = $users[$page_modified_by]['display_name'];
} else {
$username = "";
$displayname = $TEXT['UNKNOWN'];
}
return array($username, $displayname);
}
// checks if _all_ searchwords matches
function is_all_matched($text, $search_words) {
$all_matched = true;
foreach ($search_words AS $word) {
if(!preg_match('/'.$word.'/i', $text)) {
$all_matched = false;
break;
}
}
return $all_matched;
}
// checks if _any_ of the searchwords matches
function is_any_matched($text, $search_words) {
$any_matched = false;
$word = '('.implode('|', $search_words).')';
if(preg_match('/'.$word.'/i', $text)) {
$any_matched = true;
}
return $any_matched;
}
// collects the matches from text in excerpt_array
function get_excerpts($text, $search_words, $max_excerpt_num) {
$excerpt_array = FALSE;
$word = '('.implode('|', $search_words).')';
// 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
$p_start=".!?;"."\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";
// stop-sign: .!?; + DOUBLE EXCLAMATION MARK - INTERROBANG - EXCLAMATION QUESTION MARK - QUESTION EXCLAMATION MARK - DOUBLE QUESTION MARK - HALFWIDTH IDEOGRAPHIC FULL STOP - IDEOGRAPHIC FULL STOP - IDEOGRAPHIC COMMA
$p_stop=".!?;"."\xE2\x80\xBC"."\xE2\x80\xBD"."\xE2\x81\x89"."\xE2\x81\x88"."\xE2\x81\x87"."\xEF\xBD\xA1"."\xE3\x80\x82"."\xE3\x80\x81";
// jump from match to match, get excerpt, stop if $max_excerpt_num is reached
$match_array = $matches = array();
$startpos = $wordpos = $endpos = 0; // although preg_match with u-switch handles unicode correctly, the ...pos-variables will count bytes (not chars)
while(preg_match("/$word/i", $text, $match_array, PREG_OFFSET_CAPTURE, $startpos)) {
$wordpos = $match_array[0][1];
$startpos = ($wordpos-200 < $endpos)?$endpos:$wordpos-200;
$endpos = $wordpos+200;
// look for better start position
if(preg_match_all("/[$p_start]/u", substr($text, $startpos, $wordpos-$startpos), $matches, PREG_OFFSET_CAPTURE))
$startpos += $matches[0][count($matches[0])-1][1]; // set startpos at last punctuation before word
// look for better end position
if(preg_match_all("/[$p_stop]/u", substr($text, $wordpos, $endpos-$wordpos), $matches, PREG_OFFSET_CAPTURE))
$endpos = $wordpos+$matches[0][0][1]; // set endpos at first punctuation after word
$match = substr($text, $startpos+1, $endpos-$startpos);
if(!preg_match('/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\./', $match)) // skip excerpts with email-addresses
$excerpt_array[] = trim($match);
if(count($excerpt_array)>=$max_excerpt_num) {
$excerpt_array = array_unique($excerpt_array);
if(count($excerpt_array) >= $max_excerpt_num)
break;
}
// restart at last endpos
$startpos = $endpos;
}
return $excerpt_array;
}
// makes excerpt_array a string ready to print out
function prepare_excerpts($excerpt_array, $search_words, $max_excerpt_num) {
// excerpts: text before and after a single excerpt, html-tag for markup
$EXCERPT_BEFORE = '... ';
$EXCERPT_AFTER = ' ...
';
$EXCERPT_MARKUP_START = '';
$EXCERPT_MARKUP_END = '';
// remove duplicate matches from $excerpt_array, if any.
$excerpt_array = array_unique($excerpt_array);
// use the first $max_excerpt_num excerpts only
if(count($excerpt_array) > $max_excerpt_num) {
$excerpt_array = array_slice($excerpt_array, 0, $max_excerpt_num);
}
// prepare search-string
$string = "(".implode("|", $search_words).")";
// we want markup on search-results page,
// but we need some 'magic' to prevent
, ... from being highlighted
$excerpt = '';
foreach($excerpt_array as $str) {
$excerpt .= '#,,#'.preg_replace("/($string)/i","#,,,,#$1#,,,,,#",$str).'#,,,#';
}
$excerpt = str_replace(array('&','<','>','"','\'',"\xC2\xA0"), array('&','<','>','"',''',' '), $excerpt);
$excerpt = str_replace(array('#,,,,#','#,,,,,#'), array($EXCERPT_MARKUP_START,$EXCERPT_MARKUP_END), $excerpt);
$excerpt = str_replace(array('#,,#','#,,,#'), array($EXCERPT_BEFORE,$EXCERPT_AFTER), $excerpt);
// prepare to write out
if(DEFAULT_CHARSET != 'utf-8') {
$excerpt = umlauts_to_entities($excerpt, 'UTF-8');
}
return $excerpt;
}
// work out what the link-anchor should be
function make_url_target($page_link_target, $text, $search_words) {
// 1. e.g. $page_link_target=="&monthno=5&year=2007" - module-dependent target. Do nothing.
// 2. $page_link_target=="#!wb_section_..." - the user wants the section-target, so do nothing.
// 3. $page_link_target=="#wb_section_..." - try to find a better target, use the section-target as fallback.
// 4. $page_link_target=="" - do nothing
if(version_compare(PHP_VERSION, '4.3.3', ">=") && substr($page_link_target,0,12)=='#wb_section_') {
$word = '('.implode('|', $search_words).')';
preg_match('/'.$word.'/i', $text, $match, PREG_OFFSET_CAPTURE);
if($match && is_array($match[0])) {
$x=$match[0][1]; // position of first match
// is there an anchor nearby?
if(preg_match_all('/<\s*(?:a[^>]+?name|[^>]+?id)\s*=\s*"([^"]+)"/i', substr($text,0,$x), $match)) {
$page_link_target = '#'.$match[1][count($match[1])-1];
}
}
}
elseif(substr($page_link_target,0,13)=='#!wb_section_') {
$page_link_target = '#'.substr($page_link_target, 2);
}
// since wb 2.7.1 the section-anchor is configurable - SEC_ANCHOR holds the anchor name
if(substr($page_link_target,0,12)=='#wb_section_') {
if(defined('SEC_ANCHOR') && SEC_ANCHOR!='') {
$sec_id = substr($page_link_target, 12);
$page_link_target = '#'.SEC_ANCHOR.$sec_id;
} else { // section-anchors are disabled
$page_link_target = '';
}
}
return $page_link_target;
}
// wrapper for compatibility with old print_excerpt()
function print_excerpt($page_link, $page_link_target, $page_title, $page_description, $page_modified_when, $page_modified_by, $text, $max_excerpt_num, $func_vars, $pic_link="") {
$mod_vars = array(
'page_link' => $page_link,
'page_link_target' => $page_link_target,
'page_title' => $page_title,
'page_description' => $page_description,
'page_modified_when' => $page_modified_when,
'page_modified_by' => $page_modified_by,
'text' => $text,
'max_excerpt_num' => $max_excerpt_num,
'pic_link' => $pic_link
);
print_excerpt2($mod_vars, $func_vars);
}
/* These functions can be used in module-supplied search_funcs
* -----------------------------------------------------------
* print_excerpt2() - the main-function to use in all search_funcs
* print_excerpt() - wrapper for compatibility-reason. Use print_excerpt2() instead.
* list_files_dirs() - lists all files and dirs below a given directory
* clear_filelist() - keeps only wanted or removes unwanted entries in file-list.
*/
// prints the excerpts for one section
function print_excerpt2($mod_vars, $func_vars) {
extract($func_vars, EXTR_PREFIX_ALL, 'func');
extract($mod_vars, EXTR_PREFIX_ALL, 'mod');
global $TEXT;
// check $mod_...vars
if(!isset($mod_page_link)) $mod_page_link = $func_page_link;
if(!isset($mod_page_link_target)) $mod_page_link_target = "";
if(!isset($mod_page_title)) $mod_page_title = $func_page_title;
if(!isset($mod_page_description)) $mod_page_description = $func_page_description;
if(!isset($mod_page_modified_when)) $mod_page_modified_when = $func_page_modified_when;
if(!isset($mod_page_modified_by)) $mod_page_modified_by = $func_page_modified_by;
if(!isset($mod_text)) $mod_text = "";
if(!isset($mod_max_excerpt_num)) $mod_max_excerpt_num = $func_default_max_excerpt;
if(!isset($mod_pic_link)) $mod_pic_link = "";
if(!isset($mod_no_highlight)) $mod_no_highlight = false;
if(!isset($func_enable_flush)) $func_enable_flush = false; // set this in db: wb_search.cfg_enable_flush [READ THE DOC BEFORE]
if(isset($mod_ext_charset)) $mod_ext_charset = strtolower($mod_ext_charset);
else $mod_ext_charset = '';
if($mod_text == "") // nothing to do
{ return false; }
if($mod_no_highlight) // no highlighting
{ $mod_page_link_target = "&nohighlight=1".$mod_page_link_target; }
// clean the text:
$mod_text = preg_replace('#<(br|dt|/dd|/?(?:h[1-6]|tr|table|p|li|ul|pre|code|div|hr))[^>]*>#i', '.', $mod_text);
$mod_text = preg_replace('#<(!--.*--|style.*#iU', ' ', $mod_text);
$mod_text = preg_replace('#\[\[.*?\]\]#', '', $mod_text); //Filter droplets from the page data
// strip_tags() is called below
if($mod_ext_charset!='') { // data from external database may have a different charset
require_once(WB_PATH.'/framework/functions-utf8.php');
switch($mod_ext_charset) {
case 'latin1':
case 'cp1252':
$mod_text = charset_to_utf8($mod_text, 'CP1252');
break;
case 'cp1251':
$mod_text = charset_to_utf8($mod_text, 'CP1251');
break;
case 'latin2':
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-2');
break;
case 'hebrew':
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-8');
break;
case 'greek':
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-7');
break;
case 'latin5':
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-9');
break;
case 'latin7':
$mod_text = charset_to_utf8($mod_text, 'ISO-8859-13');
break;
case 'utf8':
default:
$mod_text = charset_to_utf8($mod_text, 'UTF-8');
}
} else {
$mod_text = entities_to_umlauts($mod_text, 'UTF-8');
}
$anchor_text = $mod_text; // make an copy containing html-tags
$mod_text = strip_tags($mod_text);
$mod_text = str_replace(array('>','<','&','"',''',''',' '), array('>','<','&','"','\'','\'',' '), $mod_text);
$mod_text = '.'.trim($mod_text).'.';
// Do a fast scan over $mod_text first. This may speedup things a lot.
if($func_search_match == 'all') {
if(!is_all_matched($mod_text, $func_search_words))
return false;
}
elseif(!is_any_matched($mod_text, $func_search_words)) {
return false;
}
// search for an better anchor - this have to be done before strip_tags() (may fail if search-string contains <, &, amp, gt, lt, ...)
$anchor = make_url_target($mod_page_link_target, $anchor_text, $func_search_words);
// make the link from $mod_page_link, add anchor
$link = "";
$link = page_link($mod_page_link);
if(strpos($mod_page_link, 'http:')===FALSE)
$link .= make_url_searchstring($func_search_match, $func_search_url_array);
$link .= $anchor;
// now get the excerpt
$excerpt = "";
$excerpt_array = array();
if($mod_max_excerpt_num > 0) {
if(!$excerpt_array = get_excerpts($mod_text, $func_search_words, $mod_max_excerpt_num)) {
return false;
}
$excerpt = prepare_excerpts($excerpt_array, $func_search_words, $mod_max_excerpt_num);
}
// handle thumbs - to deactivate this look in the module's search.php: $show_thumb (or maybe in the module's settings-page)
if($mod_pic_link != "") {
if(isset($mod_special) && $mod_special=='lightbox2_plus')
$excerpt = ''.$mod_special_piclink.' | '.$excerpt.' |
';
else
$excerpt = ' | '.$excerpt.' |
';
}
// print-out the excerpt
$vars = array();
$values = array();
list($date, $time) = get_page_modified($mod_page_modified_when);
list($username, $displayname) = get_page_modified_by($mod_page_modified_by, $func_users);
$vars = array('[LINK]', '[TITLE]','[PAGE_TITLE]' ,'[MENU_TITLE]' , '[DESCRIPTION]', '[USERNAME]','[DISPLAY_NAME]','[DATE]','[TIME]','[TEXT_LAST_UPDATED_BY]','[TEXT_ON]','[EXCERPT]');
$values = array(
$link,
$mod_page_title,
$func_page_title,
$func_page_menu_title,
$mod_page_description,
$username,
$displayname,
$date,
$time,
$TEXT['LAST_UPDATED_BY'],
$TEXT['ON'],
$excerpt
);
echo str_replace($vars, $values, $func_results_loop_string);
if($func_enable_flush) { // ATTN: this will bypass output-filters and may break template-layout or -filters
ob_flush();flush();
}
return true;
}
// list all files and dirs in $dir (recursive), omits '.', '..', and hidden files/dirs
// returns an array of two arrays ($files[] and $dirs[]).
// usage: list($files,$dirs) = list_files_dirs($directory);
// $depth: get subdirs (true/false)
function list_files_dirs($dir, $depth=true, $files=array(), $dirs=array()) {
$dh=opendir($dir);
while(($file = readdir($dh)) !== false) {
if($file{0} == '.' || $file == '..') {
continue;
}
if(is_dir($dir.'/'.$file)) {
if($depth) {
$dirs[] = $dir.'/'.$file;
list($files, $dirs) = list_files_dirs($dir.'/'.$file, $depth, $files, $dirs);
}
} else {
$files[] = $dir.'/'.$file;
}
}
closedir($dh);
natcasesort($files);
natcasesort($dirs);
return(array($files, $dirs));
}
// keeps only wanted entries in array $files. $str have to be an eregi()-compatible regex
function clear_filelist($files, $str, $keep=true) {
// options: $keep = true : remove all non-matching entries
// $keep = false : remove all matching entries
$c_filelist = array();
if($str == '')
return $files;
foreach($files as $file) {
if($keep) {
if(preg_match("~$str~i", $file)) {
$c_filelist[] = $file;
}
} else {
if(!preg_match("~$str~i", $file)) {
$c_filelist[] = $file;
}
}
}
return($c_filelist);
}
function search_make_sql_part($words, $match, $columns) {
// $words are utf-8 encoded, will be converted to DEFAULT_CHARSET below
if(empty($words) || empty($columns)) return('(1=1)');
global $database;
// check if we can use SQL'S "LIKE"
// work-around for WB'S missing-SET-NAMES-problem
static $checked = FALSE;
if($checked===FALSE) {
$checked = TRUE;
$lowers = array('utf8'=>"\xc3\xa1", 'iso'=>"\xe1");
$uppers = array('utf8'=>"\xc3\x81", 'iso'=>"\xc1");
switch(DEFAULT_CHARSET) {
case 'utf-8':
$lo = $lowers['utf8'];
$up = $uppers['utf8'];
break;
case 'iso-8859-1':
case 'iso-8859-2':
case 'iso-8859-3':
case 'iso-8859-4':
case 'iso-8859-5':
case 'iso-8859-7':
case 'iso-8859-9':
case 'iso-8859-10':
$lo = $lowers['iso'];
$up = $uppers['iso'];
break;
default:
$checked = 'check failed'; // we can't handle arabic,hebrew,thai
}
if($checked===TRUE && $query = $database->query("SELECT UPPER('$lo')='$up'")) {
$res = $query->fetchRow();
if($res[0]==0) {
$checked = 'check failed';
}
} else
$checked = 'check failed';
}
require_once(WB_PATH.'/framework/functions-utf8.php');
global $search_table_sql_local;
$altnum = count($search_table_sql_local);
if($match=='all') $op = 'AND';
else $op = ' OR'; // keep the leading space!
// create sql-template
$sql = '';
$i = 0;
foreach($words as $w) {
if(empty($w)) continue;
$w_alts = $e_alts = array();
if($altnum) {
for($x=0;$x<$altnum;$x++)
$w_alts[$x] = strtr($w, $search_table_sql_local[$x]);
} else {
$w_alts[0] = $w;
}
$w_alts = array_unique($w_alts);
foreach($w_alts as $a) {
$tmp = htmlentities($a, ENT_COMPAT, 'UTF-8');
// if the missing-SET-NAMES-issue appears and $tmp contains non-ascii characters: exit and use the normal (slow) search-function instead
if($checked!==TRUE && preg_match('/[\x80-\xFF]/', $tmp)) return('(1=1)'); // missing-SET-NAMES-issue
$e_alts[] = $tmp;
}
$sql .= "";
foreach($w_alts as $a)
$sql .= "{{COL}} LIKE '%".addslashes(utf8_to_charset($a))."%' OR ";
if(isset($e_alts[$i]) && $e_alts[$i]!=$w)
$sql .= " {{COL}} LIKE '%".addslashes($e_alts[$i])."%'";
else {
$sql = substr($sql, 0, strlen($sql)-4);
$sql .= '';
}
$sql .= " $op ";
$i++;
}
$sql = substr($sql, 0, strlen($sql)-5);
$sql_template = $sql;
// create SQL-string from template
$sql = '(';
foreach($columns as $c) {
$sql .= '(';
$sql .= str_replace('{{COL}}', $c, $sql_template);
$sql .= ") OR ";
}
$sql = substr($sql, 0, strlen($sql)-4);
$sql .= ')';
return($sql);
}