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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
| <?php
// ***************************************************************
// Date: 08/08/2005 - File name: inc_cg_filter.php
// Version: 1.02
//
// This is the Coolguys HTML filter class.
//
// It contains BBCode to HTML and HTML to BBCode converters,
// HTML filtering functions, URL and smiley parsing.
// ***************************************************************
class cg_filter {
var $string;
var $smiley_path = 'images/smileys/'; // Do not forget trailing '/'
var $html_filter_prefs = array('entities' => 1, 'nl2br' => 1, 'url_parsing' => 1, 'smileys' => 1); // By default, apply all filtering
function bbcode_to_html() {
// ***************************************************************
// This function parses BBCode into HTML.
// ***************************************************************
$pos = strpos($this->string, '[');
while ($pos !== FALSE) {
$len = strpos($this->string, ']', $pos + 1) - $pos + 1;
if ($len) { // No need to continue is there is no ]
$rest = explode('=', substr($this->string, $pos + 1, $len - 2), 2);
$tag = $rest[0];
if (($pos2 = strpos($this->string, "[/$tag]", $pos + $len)) === FALSE) { // No end tag
$tag = NULL;
} else {
$param_name = substr($this->string, $pos + $len, $pos2 - $pos - $len);
$len2 = strpos($this->string, ']', $pos2 + 1) - $pos2 + 1;
}
switch($tag) {
case 'i':
case 'u':
case 'b':
case 's':
$this->string = substr_replace($this->string, "<$tag>", $pos, $len);
$this->string = substr_replace($this->string, "</$tag>", $pos2, $len + 1);
break;
case 'img':
$replace_str = '<img src="' . $param_name . '" alt="' . basename($param_name) . '" />';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'url':
if (!$rest[1])
$rest[1] = $param_name;
$target = NULL;
if (substr($rest[1], 0, 7) == 'http://')
$target = ' target="_blank"';
if ($param_name)
$replace_str = '<a href="' . $rest[1] . '"' . $target . '>' . $param_name . '</a>';
else
$replace_str = '<a href="' . $rest[1] . '"' . $target . '>' . $rest[1] . '</a>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'align':
$replace_str = '<div align="' . $rest[1] . '">' . $param_name . '</div>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'list':
$pos_del = strpos($param_name, '[*]');
$param_name = substr_replace($param_name, '', 0, $pos_del + 3); // Ignore first[*]
$replace_str = '<ul><li>';
$replace_str .= str_replace('[*]', '</li><li>', $param_name);
$replace_str .= '</li></ul>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'code':
case 'quote':
$replace_str = '<div class="' . $tag . '">' . $param_name . '</div>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'anchor':
$replace_str = '<a name="' . $param_name . '"></a>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
default:
// Prevents infinite loops should the string contain "[" char without it being a BBCode
$pos++;
break;
}
}
// Repeat
$pos = strpos($this->string, '[', $pos);
}
}
function html_to_bbcode() {
// ***************************************************************
// This function parses HTML into BBCode.
// ***************************************************************
$open_tags = array ();
$pos = strpos($this->string, '<');
while ($pos !== FALSE) {
$len = strpos($this->string, '>', $pos + 1) - $pos + 1;
if ($len) { // No need to continue is there is no >
$rest = explode('=', substr($this->string, $pos + 1, $len - 2), 2);
$tag = explode(' ', $rest[0]);
$tag = $tag[0];
if (($pos2 = strpos($this->string, "</$tag>", $pos + $len)) === FALSE) { // No end tag
// Let's see if it's a tag without end tag, i.e. <br />, or </div>
$ok_tags = array ('</div>');
if (!in_array(substr($this->string, $pos, $len), $ok_tags) && strpos($this->string, '/>', $pos + 1) === FALSE)
$rest[0] = NULL;
} else {
$param_name = substr($this->string, $pos + $len, $pos2 - $pos - $len);
$len2 = strpos($this->string, '>', $pos2 + 1) - $pos2 + 1;
}
switch($rest[0]) {
case 'i':
case 'u':
case 'b':
case 's':
$this->string = substr_replace($this->string, "[$tag]", $pos, $len);
$this->string = substr_replace($this->string, "[/$tag]", $pos2, $len + 1);
break;
case 'a href':
$link = explode('"', $rest[1]);
$replace_str = '<a href="http://. $link[1] ." target="_blank">' . $param_name . '</a>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'a name':
$link = explode('"', $rest[1]);
$replace_str = '[anchor]' . $link[1] . '[/anchor]';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'div align':
$link = explode('"', $rest[1]);
array_push($open_tags, 'align');
$replace_str = '[align=' . $link[1] . ']' . $param_name;
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 - $pos);
break;
case 'div class':
$link = explode('"', $rest[1]);
array_push($open_tags, $link[1]);
$replace_str = '[' . $link[1] . ']' . $param_name;
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 - $pos);
break;
case '/div':
if (count($open_tags) > 0)
$replace_str = '[/' . array_pop($open_tags) . ']';
else
$replace_str = '';
$this->string = substr_replace($this->string, $replace_str, $pos, 6);
break;
case 'img src':
$link = explode('"', $rest[1]);
$replace_str = '[img]' . $link[1] . '[/img]';
$this->string = substr_replace($this->string, $replace_str, $pos, $len);
break;
case 'br /':
$replace_str = '';
$this->string = substr_replace($this->string, $replace_str, $pos, $len);
break;
case 'ul':
$replace_str = '<ul><li style="">' . $param_name . '</li></ul>';
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
case 'li':
$replace_str = '[*]' . $param_name;
$this->string = substr_replace($this->string, $replace_str, $pos, $pos2 + $len2 - $pos);
break;
default:
// Prevents infinite loops should the string contain "<" char without it being html
$pos++;
break;
}
}
// Repeat
$pos = strpos($this->string, '<', $pos);
}
// Close any open tags, in case the html contains errors
if (count($open_tags) > 0) {
foreach($open_tags as $value) {
$this->string .= '[/' . array_pop($open_tags) . ']';
}
}
}
function html_filter() {
// ***************************************************************
// This function provides basic html filtering.
// By default, all rules are applied; should you require to
// disable some rules, the html_filter_prefs array can be used.
//
// Ex: $my_class->html_filter_prefs['smileys'] = 0; // No smileys
// ***************************************************************
// First we make sure there is not html
if ($this->html_filter_prefs['entities'])
$this->string = htmlspecialchars($this->string, ENT_NOQUOTES);
// Smileys
if ($this->html_filter_prefs['smileys']) {
$smileys = array (':)' => 0, ':-)' => 0, ';)' => 1, ';-)' => 1, ':D' => 2, ':-D' => 2, ':P' => 3, ':-P' => 3, ':p' => 3, ':-p' => 3, ':(' => 4, ':-(' => 4);
$filename = array('happy.gif', 'wink.gif', 'biggrin.gif', 'tongue.gif', 'sad.gif');
foreach ($smileys as $key => $value) {
$img_url = '<img src="' . $this->smiley_path . $filename[$value] . '" alt="' . $key . '" />';
$this->string = str_replace($key, $img_url, $this->string);
}
}
// This automatically converts new lines and tabs
if ($this->html_filter_prefs['nl2br']) {
$this->string = nl2br($this->string);
$this->string = str_replace("\t", ' ', $this->string);
}
// Automatic URL parsing
if ($this->html_filter_prefs['url_parsing']) {
// For 'http://example.com/?id=' type links
$this->string = ereg_replace('[ ]+([a-z]+://[-a-z0-9A-Z&_\/\.\?\=]+)[ ]+', ' <a href="\\1" target="_blank">\\1</a> ', $this->string);
// For 'www.example.com' type links
$this->string = ereg_replace('[ ]+(www\.[-a-z0-9A-Z\.]+\.[-a-z0-9A-Z&_\/\.\?\=]+)[ ]+', ' <a href="http://\\1" target="_blank">http://\\1</a> ', $this->string);
}
}
}
?> |
Mélanger PHP HTML et BBcode
Répondre avec citation
Partager