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
|
<?php
/* $Id: PhDReader.class.php,v 1.16.4.2 2008/10/19 16:40:53 bjori Exp $ */
//6271
class PhDReader extends XMLReader {
/* {{{ Class constants */
const XMLNS_XML = "http://www.w3.org/XML/1998/namespace";
const XMLNS_XLINK = "http://www.w3.org/1999/xlink";
const XMLNS_PHD = "http://www.php.net/ns/phd";
const XMLNS_DOCBOOK = "http://docbook.org/ns/docbook";
const OPEN_CHUNK = 0x01;
const CLOSE_CHUNK = 0x02;
/* }}} */
/* {{{ Private props */
private $STACK = array();
private $LAST_DEPTH = -1;
private $lastChunkDepth = -1;
private $PREVIOUS_SIBLING = "";
/* }}} */
protected $CHUNK_ME = array( /* {{{ */
'article' => true,
'appendix' => true,
'bibliography' => array(
/* DEFAULT */ false,
'article' => true,
'book' => true,
'part' => true,
),
'book' => true,
'chapter' => true,
'colophon' => true,
'glossary' => array(
/* DEFAULT */ false,
'article' => true,
'book' => true,
'part' => true,
),
'index' => array(
/* DEFAULT */ false,
'article' => true,
'book' => true,
'part' => true,
),
'legalnotice' => false,
'part' => true,
'preface' => true,
'refentry' => true,
'reference' => true,
'sect1' => 'isSectionChunk',
/*
'sect2' => 'format_section_chunk',
'sect3' => 'format_section_chunk',
'sect4' => 'format_section_chunk',
'sect5' => 'format_section_chunk',
*/
'section' => 'isSectionChunk',
'set' => true,
'setindex' => true,
); /* }}} */
protected $opts = array();
public $isChunk = false;
public function __construct($opts, $encoding = "UTF-8", $xml_opts = NULL) { /* {{{ */
if (!XMLReader::open($opts["xml_file"], $encoding, $xml_opts)) {
throw new Exception("Cannot open {$opts["xml_file"]}");
}
if (isset($opts["chunk_extra"]) && is_array($opts["chunk_extra"])) {
foreach($opts["chunk_extra"] as $el => $v) {
$this->CHUNK_ME[$el] = $v;
}
}
$this->opts = $opts;
} /* }}} */
public function notXPath($tag, $depth = 0) { /* {{{ */
if(!$depth) {
$depth = $this->depth;
}
do {
if (isset($tag[$this->STACK[--$depth]])) {
$tag = $tag[$this->STACK[$depth]];
} else {
$tag = $tag[0];
}
} while (is_array($tag));
return $tag;
} /* }}} */
/* Seek to an ID within the file. */
public function seek($id) { /* {{{ */
while(XMLReader::read()) {
if ($this->nodeType === XMLREADER::ELEMENT && $this->hasAttributes && XMLReader::moveToAttributeNs("id", self::XMLNS_XML) && $this->value === $id) {
return XMLReader::moveToElement();
}
}
return false;
} /* }}} */
/* Get the ID of current node */
public function getID() { /* {{{ */
if ($this->hasAttributes && XMLReader::moveToAttributeNs("id", self::XMLNS_XML)) {
$id = $this->value;
XMLReader::moveToElement();
return $id;
}
return "";
} /* }}} */
public function getParentTagName() { /* {{{ */
return $this->STACK[$this->depth-1];
} /* }}} */
public function getTagNameByDepth($depth) { /* {{{ */
return $this->STACK[$depth];
} /* }}} */
public function getPreviousSiblingTagName() { /* {{{ */
return $this->PREVIOUS_SIBLING;
} /* }}} */
public function read() { /* {{{ */
$this->isChunk = false;
if(XMLReader::read()) {
$type = $this->nodeType;
switch($type) {
case XMLReader::ELEMENT:
$name = $this->name;
$depth = $this->depth;
if ($this->LAST_DEPTH >= $depth) {
$this->PREVIOUS_SIBLING = $this->STACK[$depth];
}
$this->STACK[$depth] = $name;
$isChunk = $this->isChunk($name, $this->getID());
if ($isChunk) {
$this->isChunk = PhDReader::OPEN_CHUNK;
$this->chunkDepths[] = $this->lastChunkDepth = $depth;
}
break;
case XMLReader::END_ELEMENT:
$depth = $this->depth;
if ($this->lastChunkDepth == $depth) {
array_pop($this->chunkDepths);
$this->lastChunkDepth = end($this->chunkDepths);
$this->isChunk = PhDReader::CLOSE_CHUNK;
}
$this->LAST_DEPTH = $depth;
break;
}
return true;
}
return false;
} /* }}} */
/* Get the attribute value by name, if exists. */
public function readAttribute($attr) { /* {{{ */
$retval = XMLReader::moveToAttribute($attr) ? $this->value : "";
XMLReader::moveToElement();
return $retval;
} /* }}} */
public function readAttributeNs($attr, $ns) { /* {{{ */
$retval = XMLReader::moveToAttributeNs($attr, $ns) ? $this->value : "";
XMLReader::moveToElement();
return $retval;
} /* }}} */
/* Get all attributes of current node */
public function getAttributes() { /* {{{ */
$attrs = array(PhDReader::XMLNS_DOCBOOK => array(), PhDReader::XMLNS_XML => array());
if ($this->hasAttributes) {
XMLReader::moveToFirstAttribute();
do {
$k = $this->namespaceURI;
$attrs[!empty($k) ? $k : PhDReader::XMLNS_DOCBOOK][$this->localName] = $this->value;
$attrs[$this->name] = $this->value;
} while (XMLReader::moveToNextAttribute());
XMLReader::moveToElement();
}
return $attrs;
} /* }}} */
/* Get the content of a named node, or the current node. */
public function readContent($node = null) { /* {{{ */
$retval = "";
if($this->isEmptyElement) {
return $retval;
}
if (!$node) {
$node = $this->name;
}
$retval = "";
while (PhDReader::readNode($node)) {
$retval .= $this->value;
}
return $retval;
} /* }}} */
/* Read $nodeName until END_ELEMENT */
public function readNode($nodeName) { /* {{{ */
return XMLReader::read() && !($this->nodeType === XMLReader::END_ELEMENT && $this->name == $nodeName);
} /* }}} */
public function isChunk($tag, $id) { /* {{{ */
if (!$id) {
return false;
} else if (isset($this->CHUNK_ME[$tag])) {
$isChunk = $this->CHUNK_ME[$tag];
if (is_array($isChunk)) {
$isChunk = $this->notXPath($isChunk);
}
if (!is_bool($isChunk)) {
return call_user_func(array($this, $isChunk), $tag);
}
return $isChunk;
}
return false;
} /* }}} */
public function isSectionChunk($tag) { /* {{{ */
if ($this->PREVIOUS_SIBLING == $tag && $this->checkSectionDepth()) {
return true;
}
return false;
} /* }}} */
protected function checkSectionDepth() { /* {{{ */
static $allowedParents = array("section", "sect2", "sect3", "sect4", "sect5");
static $chunkers = array(
"sect1", "preface", "chapter", "appendix", "article", "part", "reference", "refentry",
"index", "bibliography", "glossary", "colopone", "book", "set", "setindex", "legalnotice",
);
$nodeDepth = $this->depth;
$i = 1;
do {
if (in_array($this->STACK[$nodeDepth-$i], $allowedParents)) {
++$i;
continue;
}
break;
} while(true);
if ($i <= 1 && in_array($this->STACK[$nodeDepth-$i], $chunkers)) {
return true;
}
return false;
} /* }}} */
}
/*
* vim600: sw=4 ts=4 syntax=php fdm=marker et
* vim<600: sw=4 ts=4
*/
|
