1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
<?PHP // $Id: filter.php,v 1.8.2.1 2005/01/14 08:28:00 stronk7 Exp $
function glossary_filter($courseid, $text) {
global $CFG;
if (empty($courseid)) {
if ($site = get_site()) {
$courseid = $site->id;
}
}
$GLOSSARY_CONCEPT_IS_ENTRY = 0;
$GLOSSARY_CONCEPT_IS_CATEGORY = 1;
switch ($CFG->dbtype) {
case 'postgres7':
$as = 'as';
break;
case 'mysql':
$as = '';
break;
}
$glossarieslist = get_records_select("glossary", "usedynalink != 0 and (course = $courseid or globalglossary != 0)","globalglossary, id");
if ( $glossarieslist ) {
$glossaries = "";
foreach ( $glossarieslist as $glossary ) {
$glossaries .= "$glossary->id,";
}
$glossaries=substr($glossaries,0,-1);
/// sorting by the lenght of the concept in order to assure that large concepts
/// could be linked first, if they exist in the text to parse
switch ($CFG->dbtype) {
case "postgres7":
case "mysql":
$ebylenght = "CHAR_LENGTH(concept) desc,";
$cbylenght = "CHAR_LENGTH(name) desc,";
break;
default:
$ebylenght = "";
$cbylenght = "";
break;
}
$entries = get_records_select("glossary_entries", "glossaryid IN ($glossaries) AND usedynalink != 0 and approved != 0 and concept != ''","$ebylenght glossaryid","id,glossaryid, concept,casesensitive,$GLOSSARY_CONCEPT_IS_ENTRY $as category,fullmatch");
$categories = get_records_select("glossary_categories", "glossaryid IN ($glossaries) AND usedynalink != 0", "$cbylenght glossaryid","id,glossaryid, name $as concept, 1 $as casesensitive,$GLOSSARY_CONCEPT_IS_CATEGORY $as category, 1 $as fullmatch");
if ( $entries and $categories ) {
$concepts = array_merge($entries, $categories);
usort($concepts,'glossary_sort_entries_by_lenght');
} elseif ( $categories ) {
$concepts = $categories;
} elseif ( $entries ) {
$concepts = $entries;
}
if ( isset($concepts) ) {
$lastglossary = 0;
$lastcategory = 0;
$cm = '';
foreach ( $concepts as $concept ) {
if ( $concept->category ) {
if ( $lastcategory != $concept->id ) {
$category = get_record("glossary_categories","id",$concept->id);
$lastcategory = $concept->id;
if ( empty($cm->instance) || $cm->instance != $category->glossaryid ) {
$gcat = get_record("glossary","id",$category->glossaryid);
if ( !$cm = get_coursemodule_from_instance("glossary", $category->glossaryid, $gcat->course) ) {
$cm->id = 1;
}
}
}
$title = strip_tags("$glossary->name: " . get_string("category","glossary"). " $category->name");
$href_tag_begin = "<a class=\"autolink\" title=\"$title\" href=\"$CFG->wwwroot/mod/glossary/view.php?id=$cm->id&mode=cat&hook=$concept->id\">";
} else {
if ( $lastglossary != $concept->glossaryid ) {
$glossary = get_record("glossary","id",$concept->glossaryid);
$lastglossary = $glossary->id;
}
$encodedconcept = urlencode($concept->concept);
$title = str_replace('"', "'", strip_tags("$glossary->name: $concept->concept"));
$href_tag_begin = "<a target=\"entry\" class=\"autolink\" title=\"$title\" href=\"$CFG->wwwroot/mod/glossary/showentry.php?courseid=$courseid&concept=$encodedconcept\" ".
"onClick=\"return openpopup('/mod/glossary/showentry.php?courseid=$courseid\&concept=$encodedconcept', 'entry', 'menubar=0,location=0,scrollbars,resizable,width=600,height=450', 0);\">";
}
$currentconcept = $concept->concept;
if ( $currentconcept = trim(strip_tags($currentconcept)) ) {
//Avoid integers < 1000 to be linked. See bug 1446.
$intcurrent = intval($currentconcept);
if (!empty($intcurrent) && strval($intcurrent) == $currentconcept && $intcurrent < 1000) {
$currentconcept = '';
}
if ( !$concept->category ) {
if ( $aliases = get_records("glossary_alias","entryid",$concept->id, "alias") ) {
foreach ($aliases as $alias) {
$currentalias = trim(strip_tags($alias->alias));
//Avoid integers < 1000 to be linked. See bug 1446.
$intcurrent = intval($currentalias);
if (!(!empty($intcurrent) && strval($intcurrent) == $currentalias && $intcurrent < 1000)) {
if ( $currentalias != '' ) {
$currentconcept .= "|" . $currentalias;
}
}
}
}
}
if ($currentconcept) {
$text = glossary_link_concepts($text,$currentconcept,$href_tag_begin, "</a>",$concept->casesensitive,$concept->fullmatch);
}
}
}
}
}
return $text;
}
function glossary_link_concepts($text,$concept,$href_tag_begin,$href_tag_end = "</a>",$casesensitive,$fullmatch) {
$list_of_words_cp = strip_tags($concept);
$list_of_words_cp = trim($list_of_words_cp,'|');
$list_of_words_cp = trim($list_of_words_cp);
$list_of_words_cp = preg_quote($list_of_words_cp,'/');
//Take out scaped pipes
$list_of_words_cp = str_replace('\|','|',$list_of_words_cp);
if ($fullmatch) {
$invalidprefixs = "([a-zA-Z0-9])";
$invalidsufixs = "([a-zA-Z0-9])";
//Avoid seaching in the string if it's inside invalidprefixs and invalidsufixs
$words = array();
$regexp = '/'.$invalidprefixs.'('.$list_of_words_cp.')|('.$list_of_words_cp.')'.$invalidsufixs.'/is';
preg_match_all($regexp,$text,$list_of_words);
if ($list_of_words) {
foreach (array_unique($list_of_words[0]) as $key=>$value) {
$words['<*'.$key.'*>'] = $value;
}
if (!empty($words)) {
$text = str_replace($words,array_keys($words),$text);
}
}
}
//Now avoid searching inside the <nolink>tag
$excludes = array();
preg_match_all('/<nolink>(.+?)<\/nolink>/is',$text,$list_of_excludes);
foreach (array_unique($list_of_excludes[0]) as $key=>$value) {
$excludes['<+'.$key.'+>'] = $value;
}
if (!empty($excludes)) {
$text = str_replace($excludes,array_keys($excludes),$text);
}
//Now avoid searching inside links
$links = array();
preg_match_all('/<A[\s](.+?)>(.+?)<\/A>/is',$text,$list_of_links);
foreach (array_unique($list_of_links[0]) as $key=>$value) {
$links['<@'.$key.'@>'] = $value;
}
if (!empty($links)) {
$text = str_replace($links,array_keys($links),$text);
}
//Now avoid searching inside every tag
$final = array();
preg_match_all('/<(.+?)>/is',$text,$list_of_tags);
foreach (array_unique($list_of_tags[0]) as $key=>$value) {
$final['<|'.$key.'|>'] = $value;
}
if (!empty($final)) {
$text = str_replace($final,array_keys($final),$text);
}
if ($casesensitive) {
$text = preg_replace('/('.$list_of_words_cp.')/s', $href_tag_begin.'$1'.$href_tag_end, $text);
} else {
$text = preg_replace('/('.$list_of_words_cp.')/is', $href_tag_begin.'$1'.$href_tag_end, $text);
}
//Now rebuild excluded areas
if (!empty($final)) {
$text = str_replace(array_keys($final),$final,$text);
}
if (!empty($links)) {
$text = str_replace(array_keys($links),$links,$text);
}
if (!empty( $excludes)) {
$text = str_replace(array_keys($excludes),$excludes,$text);
}
if ($fullmatch and !empty($words)) {
$text = str_replace(array_keys($words),$words,$text);
}
return $text;
}
function glossary_sort_entries_by_lenght ( $entry0, $entry1 ) {
if ( strlen(trim($entry0->concept)) < strlen(trim($entry1->concept)) ) {
return 1;
} elseif ( strlen(trim($entry0->concept)) > strlen(trim($entry1->concept)) ) {
return -1;
} else {
return 0;
}
}
function glossary_addslashes ( $chars, $text ) {
if ( $chars ) {
for ($i = 0; $i < strlen($chars); $i++) {
$text = str_replace($chars[$i], "\\" . $chars[$i], $text);
}
}
return $text;
}
?>
|
