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94 jpm 1
<?php
2
/**
3
 * package.xml parsing class, package.xml version 1.0
4
 *
5
 * PHP versions 4 and 5
6
 *
7
 * @category   pear
8
 * @package    PEAR
9
 * @author     Greg Beaver <cellog@php.net>
187 mathias 10
 * @copyright  1997-2009 The Authors
11
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
94 jpm 12
 * @link       http://pear.php.net/package/PEAR
13
 * @since      File available since Release 1.4.0a1
14
 */
15
/**
16
 * package.xml abstraction class
17
 */
18
require_once 'PEAR/PackageFile/v1.php';
19
/**
20
 * Parser for package.xml version 1.0
21
 * @category   pear
22
 * @package    PEAR
23
 * @author     Greg Beaver <cellog@php.net>
187 mathias 24
 * @copyright  1997-2009 The Authors
25
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
94 jpm 26
 * @version    Release: @PEAR-VER@
27
 * @link       http://pear.php.net/package/PEAR
28
 * @since      Class available since Release 1.4.0a1
29
 */
30
class PEAR_PackageFile_Parser_v1
31
{
32
    var $_registry;
33
    var $_config;
34
    var $_logger;
35
    /**
36
     * BC hack to allow PEAR_Common::infoFromString() to sort of
37
     * work with the version 2.0 format - there's no filelist though
38
     * @param PEAR_PackageFile_v2
39
     */
40
    function fromV2($packagefile)
41
    {
42
        $info = $packagefile->getArray(true);
43
        $ret = new PEAR_PackageFile_v1;
44
        $ret->fromArray($info['old']);
45
    }
46
 
47
    function setConfig(&$c)
48
    {
49
        $this->_config = &$c;
50
        $this->_registry = &$c->getRegistry();
51
    }
52
 
53
    function setLogger(&$l)
54
    {
55
        $this->_logger = &$l;
56
    }
57
 
58
    /**
59
     * @param string contents of package.xml file, version 1.0
60
     * @return bool success of parsing
61
     */
187 mathias 62
    function &parse($data, $file, $archive = false)
94 jpm 63
    {
64
        if (!extension_loaded('xml')) {
65
            return PEAR::raiseError('Cannot create xml parser for parsing package.xml, no xml extension');
66
        }
67
        $xp = xml_parser_create();
68
        if (!$xp) {
187 mathias 69
            $a = &PEAR::raiseError('Cannot create xml parser for parsing package.xml');
70
            return $a;
94 jpm 71
        }
72
        xml_set_object($xp, $this);
73
        xml_set_element_handler($xp, '_element_start_1_0', '_element_end_1_0');
74
        xml_set_character_data_handler($xp, '_pkginfo_cdata_1_0');
75
        xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, false);
76
 
77
        $this->element_stack = array();
78
        $this->_packageInfo = array('provides' => array());
79
        $this->current_element = false;
80
        unset($this->dir_install);
81
        $this->_packageInfo['filelist'] = array();
82
        $this->filelist =& $this->_packageInfo['filelist'];
83
        $this->dir_names = array();
84
        $this->in_changelog = false;
85
        $this->d_i = 0;
86
        $this->cdata = '';
87
        $this->_isValid = true;
88
 
89
        if (!xml_parse($xp, $data, 1)) {
90
            $code = xml_get_error_code($xp);
91
            $line = xml_get_current_line_number($xp);
92
            xml_parser_free($xp);
187 mathias 93
            $a = PEAR::raiseError(sprintf("XML error: %s at line %d",
94 jpm 94
                           $str = xml_error_string($code), $line), 2);
187 mathias 95
            return $a;
94 jpm 96
        }
97
 
98
        xml_parser_free($xp);
99
 
100
        $pf = new PEAR_PackageFile_v1;
101
        $pf->setConfig($this->_config);
102
        if (isset($this->_logger)) {
103
            $pf->setLogger($this->_logger);
104
        }
105
        $pf->setPackagefile($file, $archive);
106
        $pf->fromArray($this->_packageInfo);
107
        return $pf;
108
    }
109
    // {{{ _unIndent()
110
 
111
    /**
112
     * Unindent given string
113
     *
114
     * @param string $str The string that has to be unindented.
115
     * @return string
116
     * @access private
117
     */
118
    function _unIndent($str)
119
    {
120
        // remove leading newlines
121
        $str = preg_replace('/^[\r\n]+/', '', $str);
122
        // find whitespace at the beginning of the first line
123
        $indent_len = strspn($str, " \t");
124
        $indent = substr($str, 0, $indent_len);
125
        $data = '';
126
        // remove the same amount of whitespace from following lines
127
        foreach (explode("\n", $str) as $line) {
128
            if (substr($line, 0, $indent_len) == $indent) {
129
                $data .= substr($line, $indent_len) . "\n";
187 mathias 130
            } elseif (trim(substr($line, 0, $indent_len))) {
131
                $data .= ltrim($line);
94 jpm 132
            }
133
        }
134
        return $data;
135
    }
136
 
137
    // Support for package DTD v1.0:
138
    // {{{ _element_start_1_0()
139
 
140
    /**
141
     * XML parser callback for ending elements.  Used for version 1.0
142
     * packages.
143
     *
144
     * @param resource  $xp    XML parser resource
145
     * @param string    $name  name of ending element
146
     *
147
     * @return void
148
     *
149
     * @access private
150
     */
151
    function _element_start_1_0($xp, $name, $attribs)
152
    {
153
        array_push($this->element_stack, $name);
154
        $this->current_element = $name;
155
        $spos = sizeof($this->element_stack) - 2;
156
        $this->prev_element = ($spos >= 0) ? $this->element_stack[$spos] : '';
157
        $this->current_attributes = $attribs;
158
        $this->cdata = '';
159
        switch ($name) {
160
            case 'dir':
161
                if ($this->in_changelog) {
162
                    break;
163
                }
164
                if (array_key_exists('name', $attribs) && $attribs['name'] != '/') {
165
                    $attribs['name'] = preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'),
166
                        $attribs['name']);
187 mathias 167
                    if (strrpos($attribs['name'], '/') === strlen($attribs['name']) - 1) {
94 jpm 168
                        $attribs['name'] = substr($attribs['name'], 0,
169
                            strlen($attribs['name']) - 1);
170
                    }
171
                    if (strpos($attribs['name'], '/') === 0) {
172
                        $attribs['name'] = substr($attribs['name'], 1);
173
                    }
174
                    $this->dir_names[] = $attribs['name'];
175
                }
176
                if (isset($attribs['baseinstalldir'])) {
177
                    $this->dir_install = $attribs['baseinstalldir'];
178
                }
179
                if (isset($attribs['role'])) {
180
                    $this->dir_role = $attribs['role'];
181
                }
182
                break;
183
            case 'file':
184
                if ($this->in_changelog) {
185
                    break;
186
                }
187
                if (isset($attribs['name'])) {
188
                    $path = '';
189
                    if (count($this->dir_names)) {
190
                        foreach ($this->dir_names as $dir) {
191
                            $path .= $dir . '/';
192
                        }
193
                    }
194
                    $path .= preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'),
195
                        $attribs['name']);
196
                    unset($attribs['name']);
197
                    $this->current_path = $path;
198
                    $this->filelist[$path] = $attribs;
199
                    // Set the baseinstalldir only if the file don't have this attrib
200
                    if (!isset($this->filelist[$path]['baseinstalldir']) &&
201
                        isset($this->dir_install))
202
                    {
203
                        $this->filelist[$path]['baseinstalldir'] = $this->dir_install;
204
                    }
205
                    // Set the Role
206
                    if (!isset($this->filelist[$path]['role']) && isset($this->dir_role)) {
207
                        $this->filelist[$path]['role'] = $this->dir_role;
208
                    }
209
                }
210
                break;
211
            case 'replace':
212
                if (!$this->in_changelog) {
213
                    $this->filelist[$this->current_path]['replacements'][] = $attribs;
214
                }
215
                break;
216
            case 'maintainers':
217
                $this->_packageInfo['maintainers'] = array();
218
                $this->m_i = 0; // maintainers array index
219
                break;
220
            case 'maintainer':
221
                // compatibility check
222
                if (!isset($this->_packageInfo['maintainers'])) {
223
                    $this->_packageInfo['maintainers'] = array();
224
                    $this->m_i = 0;
225
                }
226
                $this->_packageInfo['maintainers'][$this->m_i] = array();
227
                $this->current_maintainer =& $this->_packageInfo['maintainers'][$this->m_i];
228
                break;
229
            case 'changelog':
230
                $this->_packageInfo['changelog'] = array();
231
                $this->c_i = 0; // changelog array index
232
                $this->in_changelog = true;
233
                break;
234
            case 'release':
235
                if ($this->in_changelog) {
236
                    $this->_packageInfo['changelog'][$this->c_i] = array();
237
                    $this->current_release = &$this->_packageInfo['changelog'][$this->c_i];
238
                } else {
239
                    $this->current_release = &$this->_packageInfo;
240
                }
241
                break;
242
            case 'deps':
243
                if (!$this->in_changelog) {
244
                    $this->_packageInfo['release_deps'] = array();
245
                }
246
                break;
247
            case 'dep':
248
                // dependencies array index
249
                if (!$this->in_changelog) {
250
                    $this->d_i++;
251
                    isset($attribs['type']) ? ($attribs['type'] = strtolower($attribs['type'])) : false;
252
                    $this->_packageInfo['release_deps'][$this->d_i] = $attribs;
253
                }
254
                break;
255
            case 'configureoptions':
256
                if (!$this->in_changelog) {
257
                    $this->_packageInfo['configure_options'] = array();
258
                }
259
                break;
260
            case 'configureoption':
261
                if (!$this->in_changelog) {
262
                    $this->_packageInfo['configure_options'][] = $attribs;
263
                }
264
                break;
265
            case 'provides':
266
                if (empty($attribs['type']) || empty($attribs['name'])) {
267
                    break;
268
                }
269
                $attribs['explicit'] = true;
270
                $this->_packageInfo['provides']["$attribs[type];$attribs[name]"] = $attribs;
271
                break;
272
            case 'package' :
273
                if (isset($attribs['version'])) {
274
                    $this->_packageInfo['xsdversion'] = trim($attribs['version']);
275
                } else {
276
                    $this->_packageInfo['xsdversion'] = '1.0';
277
                }
278
                if (isset($attribs['packagerversion'])) {
279
                    $this->_packageInfo['packagerversion'] = $attribs['packagerversion'];
280
                }
281
                break;
282
        }
283
    }
284
 
285
    // }}}
286
    // {{{ _element_end_1_0()
287
 
288
    /**
289
     * XML parser callback for ending elements.  Used for version 1.0
290
     * packages.
291
     *
292
     * @param resource  $xp    XML parser resource
293
     * @param string    $name  name of ending element
294
     *
295
     * @return void
296
     *
297
     * @access private
298
     */
299
    function _element_end_1_0($xp, $name)
300
    {
301
        $data = trim($this->cdata);
302
        switch ($name) {
303
            case 'name':
304
                switch ($this->prev_element) {
305
                    case 'package':
306
                        $this->_packageInfo['package'] = $data;
307
                        break;
308
                    case 'maintainer':
309
                        $this->current_maintainer['name'] = $data;
310
                        break;
311
                }
312
                break;
313
            case 'extends' :
314
                $this->_packageInfo['extends'] = $data;
315
                break;
316
            case 'summary':
317
                $this->_packageInfo['summary'] = $data;
318
                break;
319
            case 'description':
320
                $data = $this->_unIndent($this->cdata);
321
                $this->_packageInfo['description'] = $data;
322
                break;
323
            case 'user':
324
                $this->current_maintainer['handle'] = $data;
325
                break;
326
            case 'email':
327
                $this->current_maintainer['email'] = $data;
328
                break;
329
            case 'role':
330
                $this->current_maintainer['role'] = $data;
331
                break;
332
            case 'version':
333
                if ($this->in_changelog) {
334
                    $this->current_release['version'] = $data;
335
                } else {
336
                    $this->_packageInfo['version'] = $data;
337
                }
338
                break;
339
            case 'date':
340
                if ($this->in_changelog) {
341
                    $this->current_release['release_date'] = $data;
342
                } else {
343
                    $this->_packageInfo['release_date'] = $data;
344
                }
345
                break;
346
            case 'notes':
347
                // try to "de-indent" release notes in case someone
348
                // has been over-indenting their xml ;-)
187 mathias 349
                // Trim only on the right side
350
                $data = rtrim($this->_unIndent($this->cdata));
94 jpm 351
                if ($this->in_changelog) {
352
                    $this->current_release['release_notes'] = $data;
353
                } else {
354
                    $this->_packageInfo['release_notes'] = $data;
355
                }
356
                break;
357
            case 'warnings':
358
                if ($this->in_changelog) {
359
                    $this->current_release['release_warnings'] = $data;
360
                } else {
361
                    $this->_packageInfo['release_warnings'] = $data;
362
                }
363
                break;
364
            case 'state':
365
                if ($this->in_changelog) {
366
                    $this->current_release['release_state'] = $data;
367
                } else {
368
                    $this->_packageInfo['release_state'] = $data;
369
                }
370
                break;
371
            case 'license':
372
                if ($this->in_changelog) {
373
                    $this->current_release['release_license'] = $data;
374
                } else {
375
                    $this->_packageInfo['release_license'] = $data;
376
                }
377
                break;
378
            case 'dep':
379
                if ($data && !$this->in_changelog) {
380
                    $this->_packageInfo['release_deps'][$this->d_i]['name'] = $data;
381
                }
382
                break;
383
            case 'dir':
384
                if ($this->in_changelog) {
385
                    break;
386
                }
387
                array_pop($this->dir_names);
388
                break;
389
            case 'file':
390
                if ($this->in_changelog) {
391
                    break;
392
                }
393
                if ($data) {
394
                    $path = '';
395
                    if (count($this->dir_names)) {
396
                        foreach ($this->dir_names as $dir) {
397
                            $path .= $dir . '/';
398
                        }
399
                    }
400
                    $path .= $data;
401
                    $this->filelist[$path] = $this->current_attributes;
402
                    // Set the baseinstalldir only if the file don't have this attrib
403
                    if (!isset($this->filelist[$path]['baseinstalldir']) &&
404
                        isset($this->dir_install))
405
                    {
406
                        $this->filelist[$path]['baseinstalldir'] = $this->dir_install;
407
                    }
408
                    // Set the Role
409
                    if (!isset($this->filelist[$path]['role']) && isset($this->dir_role)) {
410
                        $this->filelist[$path]['role'] = $this->dir_role;
411
                    }
412
                }
413
                break;
414
            case 'maintainer':
415
                if (empty($this->_packageInfo['maintainers'][$this->m_i]['role'])) {
416
                    $this->_packageInfo['maintainers'][$this->m_i]['role'] = 'lead';
417
                }
418
                $this->m_i++;
419
                break;
420
            case 'release':
421
                if ($this->in_changelog) {
422
                    $this->c_i++;
423
                }
424
                break;
425
            case 'changelog':
426
                $this->in_changelog = false;
427
                break;
428
        }
429
        array_pop($this->element_stack);
430
        $spos = sizeof($this->element_stack) - 1;
431
        $this->current_element = ($spos > 0) ? $this->element_stack[$spos] : '';
432
        $this->cdata = '';
433
    }
434
 
435
    // }}}
436
    // {{{ _pkginfo_cdata_1_0()
437
 
438
    /**
439
     * XML parser callback for character data.  Used for version 1.0
440
     * packages.
441
     *
442
     * @param resource  $xp    XML parser resource
443
     * @param string    $name  character data
444
     *
445
     * @return void
446
     *
447
     * @access private
448
     */
449
    function _pkginfo_cdata_1_0($xp, $data)
450
    {
451
        if (isset($this->cdata)) {
452
            $this->cdata .= $data;
453
        }
454
    }
455
 
456
    // }}}
457
}
458
?>