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
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
|
<?php
class HTMLPurifier_Printer_HTMLDefinition extends HTMLPurifier_Printer
{
/**
* @type HTMLPurifier_HTMLDefinition, for easy access
*/
protected $def;
/**
* @param HTMLPurifier_Config $config
* @return string
*/
public function render($config)
{
$ret = '';
$this->config =& $config;
$this->def = $config->getHTMLDefinition();
$ret .= $this->start('div', array('class' => 'HTMLPurifier_Printer'));
$ret .= $this->renderDoctype();
$ret .= $this->renderEnvironment();
$ret .= $this->renderContentSets();
$ret .= $this->renderInfo();
$ret .= $this->end('div');
return $ret;
}
/**
* Renders the Doctype table
* @return string
*/
protected function renderDoctype()
{
$doctype = $this->def->doctype;
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Doctype');
$ret .= $this->row('Name', $doctype->name);
$ret .= $this->row('XML', $doctype->xml ? 'Yes' : 'No');
$ret .= $this->row('Default Modules', implode($doctype->modules, ', '));
$ret .= $this->row('Default Tidy Modules', implode($doctype->tidyModules, ', '));
$ret .= $this->end('table');
return $ret;
}
/**
* Renders environment table, which is miscellaneous info
* @return string
*/
protected function renderEnvironment()
{
$def = $this->def;
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Environment');
$ret .= $this->row('Parent of fragment', $def->info_parent);
$ret .= $this->renderChildren($def->info_parent_def->child);
$ret .= $this->row('Block wrap name', $def->info_block_wrapper);
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Global attributes');
$ret .= $this->element('td', $this->listifyAttr($def->info_global_attr), null, 0);
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Tag transforms');
$list = array();
foreach ($def->info_tag_transform as $old => $new) {
$new = $this->getClass($new, 'TagTransform_');
$list[] = "<$old> with $new";
}
$ret .= $this->element('td', $this->listify($list));
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Pre-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->info_attr_transform_pre));
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Post-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->info_attr_transform_post));
$ret .= $this->end('tr');
$ret .= $this->end('table');
return $ret;
}
/**
* Renders the Content Sets table
* @return string
*/
protected function renderContentSets()
{
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Content Sets');
foreach ($this->def->info_content_sets as $name => $lookup) {
$ret .= $this->heavyHeader($name);
$ret .= $this->start('tr');
$ret .= $this->element('td', $this->listifyTagLookup($lookup));
$ret .= $this->end('tr');
}
$ret .= $this->end('table');
return $ret;
}
/**
* Renders the Elements ($info) table
* @return string
*/
protected function renderInfo()
{
$ret = '';
$ret .= $this->start('table');
$ret .= $this->element('caption', 'Elements ($info)');
ksort($this->def->info);
$ret .= $this->heavyHeader('Allowed tags', 2);
$ret .= $this->start('tr');
$ret .= $this->element('td', $this->listifyTagLookup($this->def->info), array('colspan' => 2));
$ret .= $this->end('tr');
foreach ($this->def->info as $name => $def) {
$ret .= $this->start('tr');
$ret .= $this->element('th', "<$name>", array('class' => 'heavy', 'colspan' => 2));
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Inline content');
$ret .= $this->element('td', $def->descendants_are_inline ? 'Yes' : 'No');
$ret .= $this->end('tr');
if (!empty($def->excludes)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Excludes');
$ret .= $this->element('td', $this->listifyTagLookup($def->excludes));
$ret .= $this->end('tr');
}
if (!empty($def->attr_transform_pre)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Pre-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->attr_transform_pre));
$ret .= $this->end('tr');
}
if (!empty($def->attr_transform_post)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Post-AttrTransform');
$ret .= $this->element('td', $this->listifyObjectList($def->attr_transform_post));
$ret .= $this->end('tr');
}
if (!empty($def->auto_close)) {
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Auto closed by');
$ret .= $this->element('td', $this->listifyTagLookup($def->auto_close));
$ret .= $this->end('tr');
}
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Allowed attributes');
$ret .= $this->element('td', $this->listifyAttr($def->attr), array(), 0);
$ret .= $this->end('tr');
if (!empty($def->required_attr)) {
$ret .= $this->row('Required attributes', $this->listify($def->required_attr));
}
$ret .= $this->renderChildren($def->child);
}
$ret .= $this->end('table');
return $ret;
}
/**
* Renders a row describing the allowed children of an element
* @param HTMLPurifier_ChildDef $def HTMLPurifier_ChildDef of pertinent element
* @return string
*/
protected function renderChildren($def)
{
$context = new HTMLPurifier_Context();
$ret = '';
$ret .= $this->start('tr');
$elements = array();
$attr = array();
if (isset($def->elements)) {
if ($def->type == 'strictblockquote') {
$def->validateChildren(array(), $this->config, $context);
}
$elements = $def->elements;
}
if ($def->type == 'chameleon') {
$attr['rowspan'] = 2;
} elseif ($def->type == 'empty') {
$elements = array();
} elseif ($def->type == 'table') {
$elements = array_flip(
array(
'col',
'caption',
'colgroup',
'thead',
'tfoot',
'tbody',
'tr'
)
);
}
$ret .= $this->element('th', 'Allowed children', $attr);
if ($def->type == 'chameleon') {
$ret .= $this->element(
'td',
'<em>Block</em>: ' .
$this->escape($this->listifyTagLookup($def->block->elements)),
null,
0
);
$ret .= $this->end('tr');
$ret .= $this->start('tr');
$ret .= $this->element(
'td',
'<em>Inline</em>: ' .
$this->escape($this->listifyTagLookup($def->inline->elements)),
null,
0
);
} elseif ($def->type == 'custom') {
$ret .= $this->element(
'td',
'<em>' . ucfirst($def->type) . '</em>: ' .
$def->dtd_regex
);
} else {
$ret .= $this->element(
'td',
'<em>' . ucfirst($def->type) . '</em>: ' .
$this->escape($this->listifyTagLookup($elements)),
null,
0
);
}
$ret .= $this->end('tr');
return $ret;
}
/**
* Listifies a tag lookup table.
* @param array $array Tag lookup array in form of array('tagname' => true)
* @return string
*/
protected function listifyTagLookup($array)
{
ksort($array);
$list = array();
foreach ($array as $name => $discard) {
if ($name !== '#PCDATA' && !isset($this->def->info[$name])) {
continue;
}
$list[] = $name;
}
return $this->listify($list);
}
/**
* Listifies a list of objects by retrieving class names and internal state
* @param array $array List of objects
* @return string
* @todo Also add information about internal state
*/
protected function listifyObjectList($array)
{
ksort($array);
$list = array();
foreach ($array as $obj) {
$list[] = $this->getClass($obj, 'AttrTransform_');
}
return $this->listify($list);
}
/**
* Listifies a hash of attributes to AttrDef classes
* @param array $array Array hash in form of array('attrname' => HTMLPurifier_AttrDef)
* @return string
*/
protected function listifyAttr($array)
{
ksort($array);
$list = array();
foreach ($array as $name => $obj) {
if ($obj === false) {
continue;
}
$list[] = "$name = <i>" . $this->getClass($obj, 'AttrDef_') . '</i>';
}
return $this->listify($list);
}
/**
* Creates a heavy header row
* @param string $text
* @param int $num
* @return string
*/
protected function heavyHeader($text, $num = 1)
{
$ret = '';
$ret .= $this->start('tr');
$ret .= $this->element('th', $text, array('colspan' => $num, 'class' => 'heavy'));
$ret .= $this->end('tr');
return $ret;
}
}
// vim: et sw=4 sts=4
|
