442 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			442 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * PEAR_PackageFile, package.xml parsing utility class
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|  *
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|  * PHP versions 4 and 5
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|  *
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|  * LICENSE: This source file is subject to version 3.0 of the PHP license
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|  * that is available through the world-wide-web at the following URI:
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|  * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
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|  * the PHP License and are unable to obtain it through the web, please
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|  * send a note to license@php.net so we can mail you a copy immediately.
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|  *
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|  * @category   pear
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|  * @package    PEAR
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|  * @author     Greg Beaver <cellog@php.net>
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|  * @copyright  1997-2006 The PHP Group
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|  * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
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|  * @version    CVS: $Id: PackageFile.php,v 1.33.2.1 2006/06/08 00:04:13 pajoye Exp $
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|  * @link       http://pear.php.net/package/PEAR
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|  * @since      File available since Release 1.4.0a1
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|  */
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| 
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| /**
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|  * needed for PEAR_VALIDATE_* constants
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|  */
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| require_once 'PEAR/Validate.php';
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| /**
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|  * Error code if the package.xml <package> tag does not contain a valid version
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|  */
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| define('PEAR_PACKAGEFILE_ERROR_NO_PACKAGEVERSION', 1);
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| /**
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|  * Error code if the package.xml <package> tag version is not supported (version 1.0 and 1.1 are the only supported versions,
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|  * currently
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|  */
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| define('PEAR_PACKAGEFILE_ERROR_INVALID_PACKAGEVERSION', 2);
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| /**
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|  * Abstraction for the package.xml package description file
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|  *
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|  * @category   pear
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|  * @package    PEAR
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|  * @author     Greg Beaver <cellog@php.net>
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|  * @copyright  1997-2006 The PHP Group
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|  * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
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|  * @version    Release: 1.4.11
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|  * @link       http://pear.php.net/package/PEAR
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|  * @since      Class available since Release 1.4.0a1
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|  */
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| class PEAR_PackageFile
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| {
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|     /**
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|      * @var PEAR_Config
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|      */
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|     var $_config;
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|     var $_debug;
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|     /**
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|      * Temp directory for uncompressing tgz files.
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|      * @var string|false
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|      */
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|     var $_tmpdir;
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|     var $_logger = false;
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|     /**
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|      * @var boolean
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|      */
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|     var $_rawReturn = false;
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| 
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|     /**
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|      *
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|      * @param   PEAR_Config $config
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|      * @param   ?   $debug
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|      * @param   string @tmpdir Optional temporary directory for uncompressing
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|      *          files
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|      */
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|     function PEAR_PackageFile(&$config, $debug = false, $tmpdir = false)
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|     {
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|         $this->_config = $config;
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|         $this->_debug = $debug;
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|         $this->_tmpdir = $tmpdir;
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|     }
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| 
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|     /**
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|      * Turn off validation - return a parsed package.xml without checking it
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|      *
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|      * This is used by the package-validate command
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|      */
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|     function rawReturn()
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|     {
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|         $this->_rawReturn = true;
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|     }
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| 
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|     function setLogger(&$l)
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|     {
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|         $this->_logger = &$l;
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|     }
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| 
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|     /**
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|      * Create a PEAR_PackageFile_Parser_v* of a given version.
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|      * @param   int $version
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|      * @return  PEAR_PackageFile_Parser_v1|PEAR_PackageFile_Parser_v1
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|      */
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|     function &parserFactory($version)
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|     {
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|         if (!in_array($version{0}, array('1', '2'))) {
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|             $a = false;
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|             return $a;
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|         }
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|         include_once 'PEAR/PackageFile/Parser/v' . $version{0} . '.php';
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|         $version = $version{0};
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|         $class = "PEAR_PackageFile_Parser_v$version";
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|         $a = new $class;
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|         return $a;
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|     }
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| 
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|     /**
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|      * For simpler unit-testing
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|      * @return string
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|      */
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|     function getClassPrefix()
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|     {
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|         return 'PEAR_PackageFile_v';
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|     }
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| 
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|     /**
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|      * Create a PEAR_PackageFile_v* of a given version.
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|      * @param   int $version
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|      * @return  PEAR_PackageFile_v1|PEAR_PackageFile_v1
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|      */
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|     function &factory($version)
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|     {
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|         if (!in_array($version{0}, array('1', '2'))) {
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|             $a = false;
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|             return $a;
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|         }
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|         include_once 'PEAR/PackageFile/v' . $version{0} . '.php';
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|         $version = $version{0};
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|         $class = $this->getClassPrefix() . $version;
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|         $a = new $class;
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|         return $a;
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|     }
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| 
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|     /**
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|      * Create a PEAR_PackageFile_v* from its toArray() method
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|      *
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|      * WARNING: no validation is performed, the array is assumed to be valid,
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|      * always parse from xml if you want validation.
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|      * @param   array $arr
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|      * @return PEAR_PackageFileManager_v1|PEAR_PackageFileManager_v2
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|      * @uses    factory() to construct the returned object.
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|      */
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|     function &fromArray($arr)
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|     {
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|         if (isset($arr['xsdversion'])) {
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|             $obj = &$this->factory($arr['xsdversion']);
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|             if ($this->_logger) {
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|                 $obj->setLogger($this->_logger);
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|             }
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|             $obj->setConfig($this->_config);
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|             $obj->fromArray($arr);
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|             return $obj;
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|         } else {
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|             if (isset($arr['package']['attribs']['version'])) {
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|                 $obj = &$this->factory($arr['package']['attribs']['version']);
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|             } else {
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|                 $obj = &$this->factory('1.0');
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|             }
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|             if ($this->_logger) {
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|                 $obj->setLogger($this->_logger);
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|             }
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|             $obj->setConfig($this->_config);
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|             $obj->fromArray($arr);
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|             return $obj;
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|         }
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|     }
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| 
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|     /**
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|      * Create a PEAR_PackageFile_v* from an XML string.
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|      * @access  public
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|      * @param   string $data contents of package.xml file
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|      * @param   int $state package state (one of PEAR_VALIDATE_* constants)
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|      * @param   string $file full path to the package.xml file (and the files
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|      *          it references)
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|      * @param   string $archive optional name of the archive that the XML was
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|      *          extracted from, if any
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|      * @return  PEAR_PackageFile_v1|PEAR_PackageFile_v2
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|      * @uses    parserFactory() to construct a parser to load the package.
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|      */
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|     function &fromXmlString($data, $state, $file, $archive = false)
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|     {
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|         if (preg_match('/<package[^>]+version="([0-9]+\.[0-9]+)"/', $data, $packageversion)) {
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|             if (!in_array($packageversion[1], array('1.0', '2.0'))) {
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|                 return PEAR::raiseError('package.xml version "' . $packageversion[1] .
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|                     '" is not supported, only 1.0 and 2.0 are supported.');
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|             }
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|             $object = &$this->parserFactory($packageversion[1]);
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|             if ($this->_logger) {
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|                 $object->setLogger($this->_logger);
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|             }
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|             $object->setConfig($this->_config);
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|             $pf = $object->parse($data, $file, $archive);
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|             if (PEAR::isError($pf)) {
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|                 return $pf;
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|             }
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|             if ($this->_rawReturn) {
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|                 return $pf;
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|             }
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|             if ($pf->validate($state)) {
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|                 if ($this->_logger) {
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|                     if ($pf->getValidationWarnings(false)) {
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|                         foreach ($pf->getValidationWarnings() as $warning) {
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|                             $this->_logger->log(0, 'WARNING: ' . $warning['message']);
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|                         }
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|                     }
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|                 }
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|                 if (method_exists($pf, 'flattenFilelist')) {
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|                     $pf->flattenFilelist(); // for v2
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|                 }
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|                 return $pf;
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|             } else {
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|                 if ($this->_config->get('verbose') > 0) {
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|                     if ($this->_logger) {
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|                         if ($pf->getValidationWarnings(false)) {
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|                             foreach ($pf->getValidationWarnings(false) as $warning) {
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|                                 $this->_logger->log(0, 'ERROR: ' . $warning['message']);
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|                             }
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|                         }
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|                     }
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|                 }
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|                 $a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
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|                     2, null, null, $pf->getValidationWarnings());
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|                 return $a;
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|             }
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|         } elseif (preg_match('/<package[^>]+version="([^"]+)"/', $data, $packageversion)) {
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|             $a = PEAR::raiseError('package.xml file "' . $file .
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|                 '" has unsupported package.xml <package> version "' . $packageversion[1] . '"');
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|             return $a;
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|         } else {
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|             if (!class_exists('PEAR_ErrorStack')) {
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|                 require_once 'PEAR/ErrorStack.php';
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|             }
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|             PEAR_ErrorStack::staticPush('PEAR_PackageFile',
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|                 PEAR_PACKAGEFILE_ERROR_NO_PACKAGEVERSION,
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|                 'warning', array('xml' => $data), 'package.xml "' . $file .
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|                     '" has no package.xml <package> version');
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|             $object = &$this->parserFactory('1.0');
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|             $object->setConfig($this->_config);
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|             $pf = $object->parse($data, $file, $archive);
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|             if (PEAR::isError($pf)) {
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|                 return $pf;
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|             }
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|             if ($this->_rawReturn) {
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|                 return $pf;
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|             }
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|             if ($pf->validate($state)) {
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|                 if ($this->_logger) {
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|                     if ($pf->getValidationWarnings(false)) {
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|                         foreach ($pf->getValidationWarnings() as $warning) {
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|                             $this->_logger->log(0, 'WARNING: ' . $warning['message']);
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|                         }
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|                     }
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|                 }
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|                 if (method_exists($pf, 'flattenFilelist')) {
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|                     $pf->flattenFilelist(); // for v2
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|                 }
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|                 return $pf;
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|             } else {
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|                 $a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
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|                     2, null, null, $pf->getValidationWarnings());
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|                 return $a;
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * Register a temporary file or directory.  When the destructor is
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|      * executed, all registered temporary files and directories are
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|      * removed.
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|      *
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|      * @param string  $file  name of file or directory
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|      * @return  void
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|      */
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|     function addTempFile($file)
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|     {
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|         $GLOBALS['_PEAR_Common_tempfiles'][] = $file;
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|     }
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| 
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|     /**
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|      * Create a PEAR_PackageFile_v* from a compresed Tar or Tgz file.
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|      * @access  public
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|      * @param string contents of package.xml file
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|      * @param int package state (one of PEAR_VALIDATE_* constants)
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|      * @return  PEAR_PackageFile_v1|PEAR_PackageFile_v2
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|      * @using   Archive_Tar to extract the files
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|      * @using   fromPackageFile() to load the package after the package.xml
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|      *          file is extracted.
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|      */
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|     function &fromTgzFile($file, $state)
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|     {
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|         if (!class_exists('Archive_Tar')) {
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|             require_once 'Archive/Tar.php';
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|         }
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|         $tar = new Archive_Tar($file);
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|         if ($this->_debug <= 1) {
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|             $tar->pushErrorHandling(PEAR_ERROR_RETURN);
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|         }
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|         $content = $tar->listContent();
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|         if ($this->_debug <= 1) {
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|             $tar->popErrorHandling();
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|         }
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|         if (!is_array($content)) {
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|             if (is_string($file) && strlen($file < 255) && !@is_file($file)) {
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|                 $ret = PEAR::raiseError("could not open file \"$file\"");
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|                 return $ret;
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|             }
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|             $file = realpath($file);
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|             $ret = PEAR::raiseError("Could not get contents of package \"$file\"".
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|                                      '. Invalid tgz file.');
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|             return $ret;
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|         } else {
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|             if (!count($content) && !@is_file($file)) {
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|                 $ret = PEAR::raiseError("could not open file \"$file\"");
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|                 return $ret;
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|             }
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|         }
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|         $xml = null;
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|         $origfile = $file;
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|         foreach ($content as $file) {
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|             $name = $file['filename'];
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|             if ($name == 'package2.xml') { // allow a .tgz to distribute both versions
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|                 $xml = $name;
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|                 break;
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|             }
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|             if ($name == 'package.xml') {
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|                 $xml = $name;
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|                 break;
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|             } elseif (ereg('package.xml$', $name, $match)) {
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|                 $xml = $name;
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|                 break;
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|             }
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|         }
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|         if ($this->_tmpdir) {
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|             $tmpdir = $this->_tmpdir;
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|         } else {
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|             $tmpdir = System::mkTemp(array('-d', 'pear'));
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|             PEAR_PackageFile::addTempFile($tmpdir);
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|         }
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|         if (!$xml || !$tar->extractList(array($xml), $tmpdir)) {
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|             $ret = PEAR::raiseError('could not extract the package.xml file from "' .
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|                 $origfile . '"');
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|             return $ret;
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|         }
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|         $ret = &PEAR_PackageFile::fromPackageFile("$tmpdir/$xml", $state, $origfile);
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|         return $ret;
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|     }
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| 
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|     /**
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|      * Create a PEAR_PackageFile_v* from a package.xml file.
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|      *
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|      * @access public
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|      * @param   string  $descfile  name of package xml file
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|      * @param   int     $state package state (one of PEAR_VALIDATE_* constants)
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|      * @param   string|false $archive name of the archive this package.xml came
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|      *          from, if any
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|      * @return  PEAR_PackageFile_v1|PEAR_PackageFile_v2
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|      * @uses    PEAR_PackageFile::fromXmlString to create the oject after the
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|      *          XML is loaded from the package.xml file.
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|      */
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|     function &fromPackageFile($descfile, $state, $archive = false)
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|     {
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|         if (is_string($descfile) && strlen($descfile) < 255 &&
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|              !@is_file($descfile) || !is_readable($descfile) ||
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|              (!$fp = @fopen($descfile, 'r'))) {
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|             $a = PEAR::raiseError("Unable to open $descfile");
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|             return $a;
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|         }
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| 
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|         // read the whole thing so we only get one cdata callback
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|         // for each block of cdata
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|         if (function_exists('file_get_contents')) {
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|             @fclose($fp);
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|             $data = file_get_contents($descfile);
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|         } else {
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|             $data = '';
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|             while (!feof($fp)) {
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|                 $data .= @fread($fp, 8192);
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|             }
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|             fclose($fp);
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|         }
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|         $ret = &PEAR_PackageFile::fromXmlString($data, $state, $descfile, $archive);
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|         return $ret;
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|     }
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| 
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| 
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|     /**
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|      * Create a PEAR_PackageFile_v* from a .tgz archive or package.xml file.
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|      *
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|      * This method is able to extract information about a package from a .tgz
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|      * archive or from a XML package definition file.
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|      *
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|      * @access public
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|      * @param   string  $info file name
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|      * @param   int     $state package state (one of PEAR_VALIDATE_* constants)
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|      * @return  PEAR_PackageFile_v1|PEAR_PackageFile_v2
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|      * @uses    fromPackageFile() if the file appears to be XML
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|      * @uses    fromTgzFile() to load all non-XML files
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|      */
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|     function &fromAnyFile($info, $state)
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|     {
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|         if (is_dir($info)) {
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| 		 	$info = PEAR::raiseError("'$info' is a directory, a file is expected");
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|             return $info;
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|         }
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| 
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|         $fp = false;
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|         if (is_string($info) && strlen($info) < 255 &&
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|              (file_exists($info) || ($fp = @fopen($info, 'r')))) {
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|             if ($fp) {
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|                 fclose($fp);
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|             }
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|             $tmp = substr($info, -4);
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|             if ($tmp == '.xml') {
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|                 $info = &PEAR_PackageFile::fromPackageFile($info, $state);
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|             } elseif ($tmp == '.tar' || $tmp == '.tgz') {
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|                 $info = &PEAR_PackageFile::fromTgzFile($info, $state);
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|             } else {
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|                 $fp = fopen($info, "r");
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|                 $test = fread($fp, 5);
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|                 fclose($fp);
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|                 if ($test == "<?xml") {
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|                     $info = &PEAR_PackageFile::fromPackageFile($info, $state);
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|                 } else {
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|                     $info = &PEAR_PackageFile::fromTgzFile($info, $state);
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|                 }
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|             }
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|         } else {
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|             $info = PEAR::raiseError("Cannot open '$info' for parsing");
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|             return $info;
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|         }
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|         return $info;
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|     }
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| }
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| 
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| ?>
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