This file is indexed.

/usr/share/php/PEAR/Common.php is in php-pear 5.4.45-0+deb7u2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
<?php
/**
 * PEAR_Common, the base class for the PEAR Installer
 *
 * PHP versions 4 and 5
 *
 * @category   pear
 * @package    PEAR
 * @author     Stig Bakken <ssb@php.net>
 * @author     Tomas V. V. Cox <cox@idecnet.com>
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    CVS: $Id$
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 0.1.0
 * @deprecated File deprecated since Release 1.4.0a1
 */

/**
 * Include error handling
 */
require_once 'PEAR.php';

/**
 * PEAR_Common error when an invalid PHP file is passed to PEAR_Common::analyzeSourceCode()
 */
define('PEAR_COMMON_ERROR_INVALIDPHP', 1);
define('_PEAR_COMMON_PACKAGE_NAME_PREG', '[A-Za-z][a-zA-Z0-9_]+');
define('PEAR_COMMON_PACKAGE_NAME_PREG', '/^' . _PEAR_COMMON_PACKAGE_NAME_PREG . '\\z/');

// this should allow: 1, 1.0, 1.0RC1, 1.0dev, 1.0dev123234234234, 1.0a1, 1.0b1, 1.0pl1
define('_PEAR_COMMON_PACKAGE_VERSION_PREG', '\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?');
define('PEAR_COMMON_PACKAGE_VERSION_PREG', '/^' . _PEAR_COMMON_PACKAGE_VERSION_PREG . '\\z/i');

// XXX far from perfect :-)
define('_PEAR_COMMON_PACKAGE_DOWNLOAD_PREG', '(' . _PEAR_COMMON_PACKAGE_NAME_PREG .
    ')(-([.0-9a-zA-Z]+))?');
define('PEAR_COMMON_PACKAGE_DOWNLOAD_PREG', '/^' . _PEAR_COMMON_PACKAGE_DOWNLOAD_PREG .
    '\\z/');

define('_PEAR_CHANNELS_NAME_PREG', '[A-Za-z][a-zA-Z0-9\.]+');
define('PEAR_CHANNELS_NAME_PREG', '/^' . _PEAR_CHANNELS_NAME_PREG . '\\z/');

// this should allow any dns or IP address, plus a path - NO UNDERSCORES ALLOWED
define('_PEAR_CHANNELS_SERVER_PREG', '[a-zA-Z0-9\-]+(?:\.[a-zA-Z0-9\-]+)*(\/[a-zA-Z0-9\-]+)*');
define('PEAR_CHANNELS_SERVER_PREG', '/^' . _PEAR_CHANNELS_SERVER_PREG . '\\z/i');

define('_PEAR_CHANNELS_PACKAGE_PREG',  '(' ._PEAR_CHANNELS_SERVER_PREG . ')\/('
         . _PEAR_COMMON_PACKAGE_NAME_PREG . ')');
define('PEAR_CHANNELS_PACKAGE_PREG', '/^' . _PEAR_CHANNELS_PACKAGE_PREG . '\\z/i');

define('_PEAR_COMMON_CHANNEL_DOWNLOAD_PREG', '(' . _PEAR_CHANNELS_NAME_PREG . ')::('
    . _PEAR_COMMON_PACKAGE_NAME_PREG . ')(-([.0-9a-zA-Z]+))?');
define('PEAR_COMMON_CHANNEL_DOWNLOAD_PREG', '/^' . _PEAR_COMMON_CHANNEL_DOWNLOAD_PREG . '\\z/');

/**
 * List of temporary files and directories registered by
 * PEAR_Common::addTempFile().
 * @var array
 */
$GLOBALS['_PEAR_Common_tempfiles'] = array();

/**
 * Valid maintainer roles
 * @var array
 */
$GLOBALS['_PEAR_Common_maintainer_roles'] = array('lead','developer','contributor','helper');

/**
 * Valid release states
 * @var array
 */
$GLOBALS['_PEAR_Common_release_states'] = array('alpha','beta','stable','snapshot','devel');

/**
 * Valid dependency types
 * @var array
 */
$GLOBALS['_PEAR_Common_dependency_types'] = array('pkg','ext','php','prog','ldlib','rtlib','os','websrv','sapi');

/**
 * Valid dependency relations
 * @var array
 */
$GLOBALS['_PEAR_Common_dependency_relations'] = array('has','eq','lt','le','gt','ge','not', 'ne');

/**
 * Valid file roles
 * @var array
 */
$GLOBALS['_PEAR_Common_file_roles'] = array('php','ext','test','doc','data','src','script');

/**
 * Valid replacement types
 * @var array
 */
$GLOBALS['_PEAR_Common_replacement_types'] = array('php-const', 'pear-config', 'package-info');

/**
 * Valid "provide" types
 * @var array
 */
$GLOBALS['_PEAR_Common_provide_types'] = array('ext', 'prog', 'class', 'function', 'feature', 'api');

/**
 * Valid "provide" types
 * @var array
 */
$GLOBALS['_PEAR_Common_script_phases'] = array('pre-install', 'post-install', 'pre-uninstall', 'post-uninstall', 'pre-build', 'post-build', 'pre-configure', 'post-configure', 'pre-setup', 'post-setup');

/**
 * Class providing common functionality for PEAR administration classes.
 * @category   pear
 * @package    PEAR
 * @author     Stig Bakken <ssb@php.net>
 * @author     Tomas V. V. Cox <cox@idecnet.com>
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    Release: 1.9.5
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since Release 1.4.0a1
 * @deprecated This class will disappear, and its components will be spread
 *             into smaller classes, like the AT&T breakup, as of Release 1.4.0a1
 */
class PEAR_Common extends PEAR
{
    /**
     * User Interface object (PEAR_Frontend_* class).  If null,
     * the log() method uses print.
     * @var object
     */
    var $ui = null;

    /**
     * Configuration object (PEAR_Config).
     * @var PEAR_Config
     */
    var $config = null;

    /** stack of elements, gives some sort of XML context */
    var $element_stack = array();

    /** name of currently parsed XML element */
    var $current_element;

    /** array of attributes of the currently parsed XML element */
    var $current_attributes = array();

    /** assoc with information about a package */
    var $pkginfo = array();

    var $current_path = null;

    /**
     * Flag variable used to mark a valid package file
     * @var boolean
     * @access private
     */
    var $_validPackageFile;

    /**
     * PEAR_Common constructor
     *
     * @access public
     */
    function PEAR_Common()
    {
        parent::PEAR();
        $this->config = &PEAR_Config::singleton();
        $this->debug = $this->config->get('verbose');
    }

    /**
     * PEAR_Common destructor
     *
     * @access private
     */
    function _PEAR_Common()
    {
        // doesn't work due to bug #14744
        //$tempfiles = $this->_tempfiles;
        $tempfiles =& $GLOBALS['_PEAR_Common_tempfiles'];
        while ($file = array_shift($tempfiles)) {
            if (@is_dir($file)) {
                if (!class_exists('System')) {
                    require_once 'System.php';
                }

                System::rm(array('-rf', $file));
            } elseif (file_exists($file)) {
                unlink($file);
            }
        }
    }

    /**
     * Register a temporary file or directory.  When the destructor is
     * executed, all registered temporary files and directories are
     * removed.
     *
     * @param string  $file  name of file or directory
     *
     * @return void
     *
     * @access public
     */
    function addTempFile($file)
    {
        if (!class_exists('PEAR_Frontend')) {
            require_once 'PEAR/Frontend.php';
        }
        PEAR_Frontend::addTempFile($file);
    }

    /**
     * Wrapper to System::mkDir(), creates a directory as well as
     * any necessary parent directories.
     *
     * @param string  $dir  directory name
     *
     * @return bool TRUE on success, or a PEAR error
     *
     * @access public
     */
    function mkDirHier($dir)
    {
        // Only used in Installer - move it there ?
        $this->log(2, "+ create dir $dir");
        if (!class_exists('System')) {
            require_once 'System.php';
        }
        return System::mkDir(array('-p', $dir));
    }

    /**
     * Logging method.
     *
     * @param int    $level  log level (0 is quiet, higher is noisier)
     * @param string $msg    message to write to the log
     *
     * @return void
     *
     * @access public
     * @static
     */
    function log($level, $msg, $append_crlf = true)
    {
        if ($this->debug >= $level) {
            if (!class_exists('PEAR_Frontend')) {
                require_once 'PEAR/Frontend.php';
            }

            $ui = &PEAR_Frontend::singleton();
            if (is_a($ui, 'PEAR_Frontend')) {
                $ui->log($msg, $append_crlf);
            } else {
                print "$msg\n";
            }
        }
    }

    /**
     * Create and register a temporary directory.
     *
     * @param string $tmpdir (optional) Directory to use as tmpdir.
     *                       Will use system defaults (for example
     *                       /tmp or c:\windows\temp) if not specified
     *
     * @return string name of created directory
     *
     * @access public
     */
    function mkTempDir($tmpdir = '')
    {
        $topt = $tmpdir ? array('-t', $tmpdir) : array();
        $topt = array_merge($topt, array('-d', 'pear'));
        if (!class_exists('System')) {
            require_once 'System.php';
        }

        if (!$tmpdir = System::mktemp($topt)) {
            return false;
        }

        $this->addTempFile($tmpdir);
        return $tmpdir;
    }

    /**
     * Set object that represents the frontend to be used.
     *
     * @param  object Reference of the frontend object
     * @return void
     * @access public
     */
    function setFrontendObject(&$ui)
    {
        $this->ui = &$ui;
    }

    /**
     * Return an array containing all of the states that are more stable than
     * or equal to the passed in state
     *
     * @param string Release state
     * @param boolean Determines whether to include $state in the list
     * @return false|array False if $state is not a valid release state
     */
    function betterStates($state, $include = false)
    {
        static $states = array('snapshot', 'devel', 'alpha', 'beta', 'stable');
        $i = array_search($state, $states);
        if ($i === false) {
            return false;
        }
        if ($include) {
            $i--;
        }
        return array_slice($states, $i + 1);
    }

    /**
     * Get the valid roles for a PEAR package maintainer
     *
     * @return array
     * @static
     */
    function getUserRoles()
    {
        return $GLOBALS['_PEAR_Common_maintainer_roles'];
    }

    /**
     * Get the valid package release states of packages
     *
     * @return array
     * @static
     */
    function getReleaseStates()
    {
        return $GLOBALS['_PEAR_Common_release_states'];
    }

    /**
     * Get the implemented dependency types (php, ext, pkg etc.)
     *
     * @return array
     * @static
     */
    function getDependencyTypes()
    {
        return $GLOBALS['_PEAR_Common_dependency_types'];
    }

    /**
     * Get the implemented dependency relations (has, lt, ge etc.)
     *
     * @return array
     * @static
     */
    function getDependencyRelations()
    {
        return $GLOBALS['_PEAR_Common_dependency_relations'];
    }

    /**
     * Get the implemented file roles
     *
     * @return array
     * @static
     */
    function getFileRoles()
    {
        return $GLOBALS['_PEAR_Common_file_roles'];
    }

    /**
     * Get the implemented file replacement types in
     *
     * @return array
     * @static
     */
    function getReplacementTypes()
    {
        return $GLOBALS['_PEAR_Common_replacement_types'];
    }

    /**
     * Get the implemented file replacement types in
     *
     * @return array
     * @static
     */
    function getProvideTypes()
    {
        return $GLOBALS['_PEAR_Common_provide_types'];
    }

    /**
     * Get the implemented file replacement types in
     *
     * @return array
     * @static
     */
    function getScriptPhases()
    {
        return $GLOBALS['_PEAR_Common_script_phases'];
    }

    /**
     * Test whether a string contains a valid package name.
     *
     * @param string $name the package name to test
     *
     * @return bool
     *
     * @access public
     */
    function validPackageName($name)
    {
        return (bool)preg_match(PEAR_COMMON_PACKAGE_NAME_PREG, $name);
    }

    /**
     * Test whether a string contains a valid package version.
     *
     * @param string $ver the package version to test
     *
     * @return bool
     *
     * @access public
     */
    function validPackageVersion($ver)
    {
        return (bool)preg_match(PEAR_COMMON_PACKAGE_VERSION_PREG, $ver);
    }

    /**
     * @param string $path relative or absolute include path
     * @return boolean
     * @static
     */
    function isIncludeable($path)
    {
        if (file_exists($path) && is_readable($path)) {
            return true;
        }

        $ipath = explode(PATH_SEPARATOR, ini_get('include_path'));
        foreach ($ipath as $include) {
            $test = realpath($include . DIRECTORY_SEPARATOR . $path);
            if (file_exists($test) && is_readable($test)) {
                return true;
            }
        }

        return false;
    }

    function _postProcessChecks($pf)
    {
        if (!PEAR::isError($pf)) {
            return $this->_postProcessValidPackagexml($pf);
        }

        $errs = $pf->getUserinfo();
        if (is_array($errs)) {
            foreach ($errs as $error) {
                $e = $this->raiseError($error['message'], $error['code'], null, null, $error);
            }
        }

        return $pf;
    }

    /**
     * Returns information about a package file.  Expects the name of
     * a gzipped tar file as input.
     *
     * @param string  $file  name of .tgz file
     *
     * @return array  array with package information
     *
     * @access public
     * @deprecated use PEAR_PackageFile->fromTgzFile() instead
     *
     */
    function infoFromTgzFile($file)
    {
        $packagefile = &new PEAR_PackageFile($this->config);
        $pf = &$packagefile->fromTgzFile($file, PEAR_VALIDATE_NORMAL);
        return $this->_postProcessChecks($pf);
    }

    /**
     * Returns information about a package file.  Expects the name of
     * a package xml file as input.
     *
     * @param string  $descfile  name of package xml file
     *
     * @return array  array with package information
     *
     * @access public
     * @deprecated use PEAR_PackageFile->fromPackageFile() instead
     *
     */
    function infoFromDescriptionFile($descfile)
    {
        $packagefile = &new PEAR_PackageFile($this->config);
        $pf = &$packagefile->fromPackageFile($descfile, PEAR_VALIDATE_NORMAL);
        return $this->_postProcessChecks($pf);
    }

    /**
     * Returns information about a package file.  Expects the contents
     * of a package xml file as input.
     *
     * @param string  $data  contents of package.xml file
     *
     * @return array   array with package information
     *
     * @access public
     * @deprecated use PEAR_PackageFile->fromXmlstring() instead
     *
     */
    function infoFromString($data)
    {
        $packagefile = &new PEAR_PackageFile($this->config);
        $pf = &$packagefile->fromXmlString($data, PEAR_VALIDATE_NORMAL, false);
        return $this->_postProcessChecks($pf);
    }

    /**
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
     * @return array
     */
    function _postProcessValidPackagexml(&$pf)
    {
        if (!is_a($pf, 'PEAR_PackageFile_v2')) {
            $this->pkginfo = $pf->toArray();
            return $this->pkginfo;
        }

        // sort of make this into a package.xml 1.0-style array
        // changelog is not converted to old format.
        $arr = $pf->toArray(true);
        $arr = array_merge($arr, $arr['old']);
        unset($arr['old'], $arr['xsdversion'], $arr['contents'], $arr['compatible'],
              $arr['channel'], $arr['uri'], $arr['dependencies'], $arr['phprelease'],
              $arr['extsrcrelease'], $arr['zendextsrcrelease'], $arr['extbinrelease'],
              $arr['zendextbinrelease'], $arr['bundle'], $arr['lead'], $arr['developer'],
              $arr['helper'], $arr['contributor']);
        $arr['filelist'] = $pf->getFilelist();
        $this->pkginfo = $arr;
        return $arr;
    }

    /**
     * Returns package information from different sources
     *
     * This method is able to extract information about a package
     * from a .tgz archive or from a XML package definition file.
     *
     * @access public
     * @param  string Filename of the source ('package.xml', '<package>.tgz')
     * @return string
     * @deprecated use PEAR_PackageFile->fromAnyFile() instead
     */
    function infoFromAny($info)
    {
        if (is_string($info) && file_exists($info)) {
            $packagefile = &new PEAR_PackageFile($this->config);
            $pf = &$packagefile->fromAnyFile($info, PEAR_VALIDATE_NORMAL);
            if (PEAR::isError($pf)) {
                $errs = $pf->getUserinfo();
                if (is_array($errs)) {
                    foreach ($errs as $error) {
                        $e = $this->raiseError($error['message'], $error['code'], null, null, $error);
                    }
                }

                return $pf;
            }

            return $this->_postProcessValidPackagexml($pf);
        }

        return $info;
    }

    /**
     * Return an XML document based on the package info (as returned
     * by the PEAR_Common::infoFrom* methods).
     *
     * @param array  $pkginfo  package info
     *
     * @return string XML data
     *
     * @access public
     * @deprecated use a PEAR_PackageFile_v* object's generator instead
     */
    function xmlFromInfo($pkginfo)
    {
        $config      = &PEAR_Config::singleton();
        $packagefile = &new PEAR_PackageFile($config);
        $pf = &$packagefile->fromArray($pkginfo);
        $gen = &$pf->getDefaultGenerator();
        return $gen->toXml(PEAR_VALIDATE_PACKAGING);
    }

    /**
     * Validate XML package definition file.
     *
     * @param  string $info Filename of the package archive or of the
     *                package definition file
     * @param  array $errors Array that will contain the errors
     * @param  array $warnings Array that will contain the warnings
     * @param  string $dir_prefix (optional) directory where source files
     *                may be found, or empty if they are not available
     * @access public
     * @return boolean
     * @deprecated use the validation of PEAR_PackageFile objects
     */
    function validatePackageInfo($info, &$errors, &$warnings, $dir_prefix = '')
    {
        $config      = &PEAR_Config::singleton();
        $packagefile = &new PEAR_PackageFile($config);
        PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
        if (strpos($info, '<?xml') !== false) {
            $pf = &$packagefile->fromXmlString($info, PEAR_VALIDATE_NORMAL, '');
        } else {
            $pf = &$packagefile->fromAnyFile($info, PEAR_VALIDATE_NORMAL);
        }

        PEAR::staticPopErrorHandling();
        if (PEAR::isError($pf)) {
            $errs = $pf->getUserinfo();
            if (is_array($errs)) {
                foreach ($errs as $error) {
                    if ($error['level'] == 'error') {
                        $errors[] = $error['message'];
                    } else {
                        $warnings[] = $error['message'];
                    }
                }
            }

            return false;
        }

        return true;
    }

    /**
     * Build a "provides" array from data returned by
     * analyzeSourceCode().  The format of the built array is like
     * this:
     *
     *  array(
     *    'class;MyClass' => 'array('type' => 'class', 'name' => 'MyClass'),
     *    ...
     *  )
     *
     *
     * @param array $srcinfo array with information about a source file
     * as returned by the analyzeSourceCode() method.
     *
     * @return void
     *
     * @access public
     *
     */
    function buildProvidesArray($srcinfo)
    {
        $file = basename($srcinfo['source_file']);
        $pn = '';
        if (isset($this->_packageName)) {
            $pn = $this->_packageName;
        }

        $pnl = strlen($pn);
        foreach ($srcinfo['declared_classes'] as $class) {
            $key = "class;$class";
            if (isset($this->pkginfo['provides'][$key])) {
                continue;
            }

            $this->pkginfo['provides'][$key] =
                array('file'=> $file, 'type' => 'class', 'name' => $class);
            if (isset($srcinfo['inheritance'][$class])) {
                $this->pkginfo['provides'][$key]['extends'] =
                    $srcinfo['inheritance'][$class];
            }
        }

        foreach ($srcinfo['declared_methods'] as $class => $methods) {
            foreach ($methods as $method) {
                $function = "$class::$method";
                $key = "function;$function";
                if ($method{0} == '_' || !strcasecmp($method, $class) ||
                    isset($this->pkginfo['provides'][$key])) {
                    continue;
                }

                $this->pkginfo['provides'][$key] =
                    array('file'=> $file, 'type' => 'function', 'name' => $function);
            }
        }

        foreach ($srcinfo['declared_functions'] as $function) {
            $key = "function;$function";
            if ($function{0} == '_' || isset($this->pkginfo['provides'][$key])) {
                continue;
            }

            if (!strstr($function, '::') && strncasecmp($function, $pn, $pnl)) {
                $warnings[] = "in1 " . $file . ": function \"$function\" not prefixed with package name \"$pn\"";
            }

            $this->pkginfo['provides'][$key] =
                array('file'=> $file, 'type' => 'function', 'name' => $function);
        }
    }

    /**
     * Analyze the source code of the given PHP file
     *
     * @param  string Filename of the PHP file
     * @return mixed
     * @access public
     */
    function analyzeSourceCode($file)
    {
        if (!class_exists('PEAR_PackageFile_v2_Validator')) {
            require_once 'PEAR/PackageFile/v2/Validator.php';
        }

        $a = new PEAR_PackageFile_v2_Validator;
        return $a->analyzeSourceCode($file);
    }

    function detectDependencies($any, $status_callback = null)
    {
        if (!function_exists("token_get_all")) {
            return false;
        }

        if (PEAR::isError($info = $this->infoFromAny($any))) {
            return $this->raiseError($info);
        }

        if (!is_array($info)) {
            return false;
        }

        $deps = array();
        $used_c = $decl_c = $decl_f = $decl_m = array();
        foreach ($info['filelist'] as $file => $fa) {
            $tmp = $this->analyzeSourceCode($file);
            $used_c = @array_merge($used_c, $tmp['used_classes']);
            $decl_c = @array_merge($decl_c, $tmp['declared_classes']);
            $decl_f = @array_merge($decl_f, $tmp['declared_functions']);
            $decl_m = @array_merge($decl_m, $tmp['declared_methods']);
            $inheri = @array_merge($inheri, $tmp['inheritance']);
        }

        $used_c = array_unique($used_c);
        $decl_c = array_unique($decl_c);
        $undecl_c = array_diff($used_c, $decl_c);

        return array('used_classes' => $used_c,
                     'declared_classes' => $decl_c,
                     'declared_methods' => $decl_m,
                     'declared_functions' => $decl_f,
                     'undeclared_classes' => $undecl_c,
                     'inheritance' => $inheri,
                     );
    }

    /**
     * Download a file through HTTP.  Considers suggested file name in
     * Content-disposition: header and can run a callback function for
     * different events.  The callback will be called with two
     * parameters: the callback type, and parameters.  The implemented
     * callback types are:
     *
     *  'setup'       called at the very beginning, parameter is a UI object
     *                that should be used for all output
     *  'message'     the parameter is a string with an informational message
     *  'saveas'      may be used to save with a different file name, the
     *                parameter is the filename that is about to be used.
     *                If a 'saveas' callback returns a non-empty string,
     *                that file name will be used as the filename instead.
     *                Note that $save_dir will not be affected by this, only
     *                the basename of the file.
     *  'start'       download is starting, parameter is number of bytes
     *                that are expected, or -1 if unknown
     *  'bytesread'   parameter is the number of bytes read so far
     *  'done'        download is complete, parameter is the total number
     *                of bytes read
     *  'connfailed'  if the TCP connection fails, this callback is called
     *                with array(host,port,errno,errmsg)
     *  'writefailed' if writing to disk fails, this callback is called
     *                with array(destfile,errmsg)
     *
     * If an HTTP proxy has been configured (http_proxy PEAR_Config
     * setting), the proxy will be used.
     *
     * @param string  $url       the URL to download
     * @param object  $ui        PEAR_Frontend_* instance
     * @param object  $config    PEAR_Config instance
     * @param string  $save_dir  (optional) directory to save file in
     * @param mixed   $callback  (optional) function/method to call for status
     *                           updates
     *
     * @return string  Returns the full path of the downloaded file or a PEAR
     *                 error on failure.  If the error is caused by
     *                 socket-related errors, the error object will
     *                 have the fsockopen error code available through
     *                 getCode().
     *
     * @access public
     * @deprecated in favor of PEAR_Downloader::downloadHttp()
     */
    function downloadHttp($url, &$ui, $save_dir = '.', $callback = null)
    {
        if (!class_exists('PEAR_Downloader')) {
            require_once 'PEAR/Downloader.php';
        }
        return PEAR_Downloader::downloadHttp($url, $ui, $save_dir, $callback);
    }
}

require_once 'PEAR/Config.php';
require_once 'PEAR/PackageFile.php';