<?php

/**

 * PEAR_PackageFile_v1, package.xml version 1.0

 *

 * PHP versions 4 and 5

 *

 * LICENSE: This source file is subject to version 3.0 of the PHP license

 * that is available through the world-wide-web at the following URI:

 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of

 * the PHP License and are unable to obtain it through the web, please

 * send a note to license@php.net so we can mail you a copy immediately.

 *

 * @category   pear

 * @package    PEAR

 * @author     Greg Beaver <cellog@php.net>

 * @copyright  1997-2005 The PHP Group

 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0

 * @version    CVS: $Id: v1.php,v 1.1 2005/07/02 21:12:31 lux Exp $

 * @link       http://pear.php.net/package/PEAR

 * @since      File available since Release 1.4.0a1

 */

/**

 * For error handling

 */

require_once 'PEAR/ErrorStack.php';



/**

 * Error code if parsing is attempted with no xml extension

 */

define('PEAR_PACKAGEFILE_ERROR_NO_XML_EXT', 3);



/**

 * Error code if creating the xml parser resource fails

 */

define('PEAR_PACKAGEFILE_ERROR_CANT_MAKE_PARSER', 4);



/**

 * Error code used for all sax xml parsing errors

 */

define('PEAR_PACKAGEFILE_ERROR_PARSER_ERROR', 5);



/**

 * Error code used when there is no name

 */

define('PEAR_PACKAGEFILE_ERROR_NO_NAME', 6);



/**

 * Error code when a package name is not valid

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_NAME', 7);



/**

 * Error code used when no summary is parsed

 */

define('PEAR_PACKAGEFILE_ERROR_NO_SUMMARY', 8);



/**

 * Error code for summaries that are more than 1 line

 */

define('PEAR_PACKAGEFILE_ERROR_MULTILINE_SUMMARY', 9);



/**

 * Error code used when no description is present

 */

define('PEAR_PACKAGEFILE_ERROR_NO_DESCRIPTION', 10);



/**

 * Error code used when no license is present

 */

define('PEAR_PACKAGEFILE_ERROR_NO_LICENSE', 11);



/**

 * Error code used when a <version> version number is not present

 */

define('PEAR_PACKAGEFILE_ERROR_NO_VERSION', 12);



/**

 * Error code used when a <version> version number is invalid

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_VERSION', 13);



/**

 * Error code when release state is missing

 */

define('PEAR_PACKAGEFILE_ERROR_NO_STATE', 14);



/**

 * Error code when release state is invalid

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_STATE', 15);



/**

 * Error code when release state is missing

 */

define('PEAR_PACKAGEFILE_ERROR_NO_DATE', 16);



/**

 * Error code when release state is invalid

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_DATE', 17);



/**

 * Error code when no release notes are found

 */

define('PEAR_PACKAGEFILE_ERROR_NO_NOTES', 18);



/**

 * Error code when no maintainers are found

 */

define('PEAR_PACKAGEFILE_ERROR_NO_MAINTAINERS', 19);



/**

 * Error code when a maintainer has no handle

 */

define('PEAR_PACKAGEFILE_ERROR_NO_MAINTHANDLE', 20);



/**

 * Error code when a maintainer has no handle

 */

define('PEAR_PACKAGEFILE_ERROR_NO_MAINTROLE', 21);



/**

 * Error code when a maintainer has no name

 */

define('PEAR_PACKAGEFILE_ERROR_NO_MAINTNAME', 22);



/**

 * Error code when a maintainer has no email

 */

define('PEAR_PACKAGEFILE_ERROR_NO_MAINTEMAIL', 23);



/**

 * Error code when a maintainer has no handle

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_MAINTROLE', 24);



/**

 * Error code when a dependency is not a PHP dependency, but has no name

 */

define('PEAR_PACKAGEFILE_ERROR_NO_DEPNAME', 25);



/**

 * Error code when a dependency has no type (pkg, php, etc.)

 */

define('PEAR_PACKAGEFILE_ERROR_NO_DEPTYPE', 26);



/**

 * Error code when a dependency has no relation (lt, ge, has, etc.)

 */

define('PEAR_PACKAGEFILE_ERROR_NO_DEPREL', 27);



/**

 * Error code when a dependency is not a 'has' relation, but has no version

 */

define('PEAR_PACKAGEFILE_ERROR_NO_DEPVERSION', 28);



/**

 * Error code when a dependency has an invalid relation

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_DEPREL', 29);



/**

 * Error code when a dependency has an invalid type

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_DEPTYPE', 30);



/**

 * Error code when a dependency has an invalid optional option

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_DEPOPTIONAL', 31);



/**

 * Error code when a dependency is a pkg dependency, and has an invalid package name

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_DEPNAME', 32);



/**

 * Error code when a dependency has a channel="foo" attribute, and foo is not a registered channel

 */

define('PEAR_PACKAGEFILE_ERROR_UNKNOWN_DEPCHANNEL', 33);



/**

 * Error code when rel="has" and version attribute is present.

 */

define('PEAR_PACKAGEFILE_ERROR_DEPVERSION_IGNORED', 34);



/**

 * Error code when type="php" and dependency name is present

 */

define('PEAR_PACKAGEFILE_ERROR_DEPNAME_IGNORED', 35);



/**

 * Error code when a configure option has no name

 */

define('PEAR_PACKAGEFILE_ERROR_NO_CONFNAME', 36);



/**

 * Error code when a configure option has no name

 */

define('PEAR_PACKAGEFILE_ERROR_NO_CONFPROMPT', 37);



/**

 * Error code when a file in the filelist has an invalid role

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_FILEROLE', 38);



/**

 * Error code when a file in the filelist has no role

 */

define('PEAR_PACKAGEFILE_ERROR_NO_FILEROLE', 39);



/**

 * Error code when analyzing a php source file that has parse errors

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_PHPFILE', 40);



/**

 * Error code when analyzing a php source file reveals a source element

 * without a package name prefix

 */

define('PEAR_PACKAGEFILE_ERROR_NO_PNAME_PREFIX', 41);



/**

 * Error code when an unknown channel is specified

 */

define('PEAR_PACKAGEFILE_ERROR_UNKNOWN_CHANNEL', 42);



/**

 * Error code when no files are found in the filelist

 */

define('PEAR_PACKAGEFILE_ERROR_NO_FILES', 43);



/**

 * Error code when a file is not valid php according to _analyzeSourceCode()

 */

define('PEAR_PACKAGEFILE_ERROR_INVALID_FILE', 44);



/**

 * Error code when the channel validator returns an error or warning

 */

define('PEAR_PACKAGEFILE_ERROR_CHANNELVAL', 45);



/**

 * Error code when a php5 package is packaged in php4 (analysis doesn't work)

 */

define('PEAR_PACKAGEFILE_ERROR_PHP5', 46);



/**

 * Error code when a file is listed in package.xml but does not exist

 */

define('PEAR_PACKAGEFILE_ERROR_FILE_NOTFOUND', 47);



/**

 * Error code when a <dep type="php" rel="not"... is encountered (use rel="ne")

 */

define('PEAR_PACKAGEFILE_PHP_NO_NOT', 48);



/**

 * Error code when a package.xml contains non-ISO-8859-1 characters

 */

define('PEAR_PACKAGEFILE_ERROR_NON_ISO_CHARS', 49);

/**

 * package.xml encapsulator

 * @category   pear

 * @package    PEAR

 * @author     Greg Beaver <cellog@php.net>

 * @copyright  1997-2005 The PHP Group

 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0

 * @version    Release: 1.4.0a12

 * @link       http://pear.php.net/package/PEAR

 * @since      Class available since Release 1.4.0a1

 */

class PEAR_PackageFile_v1

{

    /**

     * @access private

     * @var PEAR_ErrorStack

     * @access private

     */

    var $_stack;



    /**

     * A registry object, used to access the package name validation regex for non-standard channels

     * @var PEAR_Registry

     * @access private

     */

    var $_registry;



    /**

     * An object that contains a log method that matches PEAR_Common::log's signature

     * @var object

     * @access private

     */

    var $_logger;



    /**

     * Parsed package information

     * @var array

     * @access private

     */

    var $_packageInfo;



    /**

     * path to package.xml

     * @var string

     * @access private

     */

    var $_packageFile;



    /**

     * path to package .tgz or false if this is a local/extracted package.xml

     * @var string

     * @access private

     */

    var $_archiveFile;



    /**

     * @var int

     * @access private

     */

    var $_isValid = 0;



    /**

     * Determines whether this packagefile was initialized only with partial package info

     *

     * If this package file was constructed via parsing REST, it will only contain

     *

     * - package name

     * - channel name

     * - dependencies 

     * @var boolean

     * @access private

     */

    var $_incomplete = true;



    /**

     * @param bool determines whether to return a PEAR_Error object, or use the PEAR_ErrorStack

     * @param string Name of Error Stack class to use.

     */

    function PEAR_PackageFile_v1()

    {

        $this->_stack = &new PEAR_ErrorStack('PEAR_PackageFile_v1');

        $this->_stack->setErrorMessageTemplate($this->_getErrorMessage());

        $this->_isValid = 0;

    }



    function installBinary($installer)

    {

        return false;

    }



    function isExtension($name)

    {

        return false;

    }



    function setConfig(&$config)

    {

        $this->_config = &$config;

        $this->_registry = &$config->getRegistry();

    }



    function setRequestedGroup()

    {

        // placeholder

    }



    /**

     * For saving in the registry.

     *

     * Set the last version that was installed

     * @param string

     */

    function setLastInstalledVersion($version)

    {

        $this->_packageInfo['_lastversion'] = $version;

    }



    /**

     * @return string|false

     */

    function getLastInstalledVersion()

    {

        if (isset($this->_packageInfo['_lastversion'])) {

            return $this->_packageInfo['_lastversion'];

        }

        return false;

    }



    function listPostinstallScripts()

    {

        return false;

    }



    function initPostinstallScripts()

    {

        return false;

    }



    function setLogger(&$logger)

    {

        if ($logger && (!is_object($logger) || !method_exists($logger, 'log'))) {

            return PEAR::raiseError('Logger must be compatible with PEAR_Common::log');

        }

        $this->_logger = &$logger;

    }



    function setPackagefile($file, $archive = false)

    {

        $this->_packageFile = $file;

        $this->_archiveFile = $archive ? $archive : $file;

    }



    function getPackageFile()

    {

        return isset($this->_packageFile) ? $this->_packageFile : false;

    }



    function getPackageType()

    {

        return 'php';

    }



    function getArchiveFile()

    {

        return $this->_archiveFile;

    }



    function packageInfo($field)

    {

        if (!isset($this->_packageInfo[$field]) ||

              !is_string($this->_packageInfo[$field])) {

            return false;

        }

        return $this->_packageInfo[$field];

    }



    function setDirtree($path)

    {

        $this->_packageInfo['dirtree'][$path] = true;

    }



    function getDirtree()

    {

        if (isset($this->_packageInfo['dirtree']) && count($this->_packageInfo['dirtree'])) {

            return $this->_packageInfo['dirtree'];

        }

        return false;

    }



    function resetDirtree()

    {

        unset($this->_packageInfo['dirtree']);

    }



    function fromArray($pinfo)

    {

        $this->_incomplete = false;

        $this->_packageInfo = $pinfo;

    }



    function isIncomplete()

    {

        return $this->_incomplete;

    }



    function getChannel()

    {

        return 'pear.php.net';

    }



    function getUri()

    {

        return false;

    }



    function getTime()

    {

        return false;

    }



    function getExtends()

    {

        if (isset($this->_packageInfo['extends'])) {

            return $this->_packageInfo['extends'];

        }

        return false;

    }



    /**

     * @return array

     */

    function toArray()

    {

        if (!$this->validate(PEAR_VALIDATE_NORMAL)) {

            return false;

        }

        return $this->getArray();

    }



    function getArray()

    {

        return $this->_packageInfo;

    }



    function getName()

    {

        return $this->getPackage();

    }



    function getPackage()

    {

        if (isset($this->_packageInfo['package'])) {

            return $this->_packageInfo['package'];

        }

        return false;

    }



    /**

     * WARNING - don't use this unless you know what you are doing

     */

    function setRawPackage($package)

    {

        $this->_packageInfo['package'] = $package;

    }



    function setPackage($package)

    {

        $this->_packageInfo['package'] = $package;

        $this->_isValid = false;

    }



    function getVersion()

    {

        if (isset($this->_packageInfo['version'])) {

            return $this->_packageInfo['version'];

        }

        return false;

    }



    function setVersion($version)

    {

        $this->_packageInfo['version'] = $version;

        $this->_isValid = false;

    }



    function clearMaintainers()

    {

        unset($this->_packageInfo['maintainers']);

    }



    function getMaintainers()

    {

        if (isset($this->_packageInfo['maintainers'])) {

            return $this->_packageInfo['maintainers'];

        }

        return false;

    }



    /**

     * Adds a new maintainer - no checking of duplicates is performed, use

     * updatemaintainer for that purpose.

     */

    function addMaintainer($role, $handle, $name, $email)

    {

        $this->_packageInfo['maintainers'][] =

            array('handle' => $handle, 'role' => $role, 'email' => $email, 'name' => $name);

        $this->_isValid = false;

    }



    function updateMaintainer($role, $handle, $name, $email)

    {

        $found = false;

        if (!isset($this->_packageInfo['maintainers']) ||

              !is_array($this->_packageInfo['maintainers'])) {

            return $this->addMaintainer($role, $handle, $name, $email);

        }

        foreach ($this->_packageInfo['maintainers'] as $i => $maintainer) {

            if ($maintainer['handle'] == $handle) {

                $found = $i;

                break;

            }

        }

        if ($found !== false) {

            unset($this->_packageInfo['maintainers'][$found]);

            $this->_packageInfo['maintainers'] =

                array_values($this->_packageInfo['maintainers']);

        }

        $this->addMaintainer($role, $handle, $name, $email);

    }



    function deleteMaintainer($handle)

    {

        $found = false;

        foreach ($this->_packageInfo['maintainers'] as $i => $maintainer) {

            if ($maintainer['handle'] == $handle) {

                $found = $i;

                break;

            }

        }

        if ($found !== false) {

            unset($this->_packageInfo['maintainers'][$found]);

            $this->_packageInfo['maintainers'] =

                array_values($this->_packageInfo['maintainers']);

            return true;

        }

        return false;

    }



    function getState()

    {

        if (isset($this->_packageInfo['release_state'])) {

            return $this->_packageInfo['release_state'];

        }

        return false;

    }



    function setRawState($state)

    {

        $this->_packageInfo['release_state'] = $state;

    }



    function setState($state)

    {

        $this->_packageInfo['release_state'] = $state;

        $this->_isValid = false;

    }



    function getDate()

    {

        if (isset($this->_packageInfo['release_date'])) {

            return $this->_packageInfo['release_date'];

        }

        return false;

    }



    function setDate($date)

    {

        $this->_packageInfo['release_date'] = $date;

        $this->_isValid = false;

    }



    function getLicense()

    {

        if (isset($this->_packageInfo['release_license'])) {

            return $this->_packageInfo['release_license'];

        }

        return false;

    }



    function setLicense($date)

    {

        $this->_packageInfo['release_license'] = $date;

        $this->_isValid = false;

    }



    function getSummary()

    {

        if (isset($this->_packageInfo['summary'])) {

            return $this->_packageInfo['summary'];

        }

        return false;

    }



    function setSummary($summary)

    {

        $this->_packageInfo['summary'] = $summary;

        $this->_isValid = false;

    }



    function getDescription()

    {

        if (isset($this->_packageInfo['description'])) {

            return $this->_packageInfo['description'];

        }

        return false;

    }



    function setDescription($desc)

    {

        $this->_packageInfo['description'] = $desc;

        $this->_isValid = false;

    }



    function getNotes()

    {

        if (isset($this->_packageInfo['release_notes'])) {

            return $this->_packageInfo['release_notes'];

        }

        return false;

    }



    function setNotes($notes)

    {

        $this->_packageInfo['release_notes'] = $notes;

        $this->_isValid = false;

    }



    function getDeps()

    {

        if (isset($this->_packageInfo['release_deps'])) {

            return $this->_packageInfo['release_deps'];

        }

        return false;

    }



    /**

     * Reset dependencies prior to adding new ones

     */

    function clearDeps()

    {

        unset($this->_packageInfo['release_deps']);

    }



    function addPhpDep($version, $rel)

    {

        $this->_isValid = false;

        $this->_packageInfo['release_deps'][] =

            array('type' => 'php',

                  'rel' => $rel,

                  'version' => $version);

    }



    function addPackageDep($name, $version, $rel, $optional = 'no')

    {

        $this->_isValid = false;

        $dep =

            array('type' => 'pkg',

                  'name' => $name,

                  'rel' => $rel,

                  'optional' => $optional);

        if ($rel != 'has' && $rel != 'not') {

            $dep['version'] = $version;

        }

        $this->_packageInfo['release_deps'][] = $dep;

    }



    function addExtensionDep($name, $version, $rel, $optional = 'no')

    {

        $this->_isValid = false;

        $this->_packageInfo['release_deps'][] =

            array('type' => 'ext',

                  'name' => $name,

                  'rel' => $rel,

                  'version' => $version,

                  'optional' => $optional);

    }



    /**

     * WARNING - do not use this function directly unless you know what you're doing

     */

    function setDeps($deps)

    {

        $this->_packageInfo['release_deps'] = $deps;

    }



    function hasDeps()

    {

        return isset($this->_packageInfo['release_deps']) &&

            count($this->_packageInfo['release_deps']);

    }



    function getDependencyGroup($group)

    {

        return false;

    }



    function isCompatible($pf)

    {

        return false;

    }



    function isSubpackageOf($p)

    {

        return $p->isSubpackage($this);

    }



    function isSubpackage($p)

    {

        return false;

    }



    function dependsOn($package, $channel)

    {

        if (strtolower($channel) != 'pear.php.net') {

            return false;

        }

        if (!($deps = $this->getDeps())) {

            return false;

        }

        foreach ($deps as $dep) {

            if ($dep['type'] != 'pkg') {

                continue;

            }

            if (strtolower($dep['name']) == strtolower($package)) {

                return true;

            }

        }

        return false;

    }



    function getConfigureOptions()

    {

        if (isset($this->_packageInfo['configure_options'])) {

            return $this->_packageInfo['configure_options'];

        }

        return false;

    }



    function hasConfigureOptions()

    {

        return isset($this->_packageInfo['configure_options']) &&

            count($this->_packageInfo['configure_options']);

    }



    function addConfigureOption($name, $prompt, $default = false)

    {

        $o = array('name' => $name, 'prompt' => $prompt);

        if ($default !== false) {

            $o['default'] = $default;

        }

        if (!isset($this->_packageInfo['configure_options'])) {

            $this->_packageInfo['configure_options'] = array();

        }

        $this->_packageInfo['configure_options'][] = $o;

    }



    function clearConfigureOptions()

    {

        unset($this->_packageInfo['configure_options']);

    }



    function getProvides()

    {

        if (isset($this->_packageInfo['provides'])) {

            return $this->_packageInfo['provides'];

        }

        return false;

    }



    function addFile($dir, $file, $attrs)

    {

        $dir = preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'), $dir);

        if ($dir == '/' || $dir == '') {

            $dir = '';

        } else {

            $dir .= '/';

        }

        $file = $dir . $file;

        $file = preg_replace('![\\/]+!', '/', $file);

        $this->_packageInfo['filelist'][$file] = $attrs;

    }



    function getInstallationFilelist()

    {

        return $this->getFilelist();

    }



    function getFilelist()

    {

        if (isset($this->_packageInfo['filelist'])) {

            return $this->_packageInfo['filelist'];

        }

        return false;

    }



    function setFileAttribute($file, $attr, $value)

    {

        $this->_packageInfo['filelist'][$file][$attr] = $value;

    }



    function resetFilelist()

    {

        $this->_packageInfo['filelist'] = array();

    }



    function setInstalledAs($file, $path)

    {

        if ($path) {

            return $this->_packageInfo['filelist'][$file]['installed_as'] = $path;

        }

        unset($this->_packageInfo['filelist'][$file]['installed_as']);

    }



    function installedFile($file, $atts)

    {

        if (isset($this->_packageInfo['filelist'][$file])) {

            $this->_packageInfo['filelist'][$file] =

                array_merge($this->_packageInfo['filelist'][$file], $atts);

        } else {

            $this->_packageInfo['filelist'][$file] = $atts;

        }

    }



    function getChangelog()

    {

        if (isset($this->_packageInfo['changelog'])) {

            return $this->_packageInfo['changelog'];

        }

        return false;

    }



    function getPackagexmlVersion()

    {

        return '1.0';

    }



    /**

     * Wrapper to {@link PEAR_ErrorStack::getErrors()}

     * @param boolean determines whether to purge the error stack after retrieving

     * @return array

     */

    function getValidationWarnings($purge = true)

    {

        return $this->_stack->getErrors($purge);

    }



    // }}}

    /**

     * Validation error.  Also marks the object contents as invalid

     * @param error code

     * @param array error information

     * @access private

     */

    function _validateError($code, $params = array())

    {

        $this->_stack->push($code, 'error', $params, false, false, debug_backtrace());

        $this->_isValid = false;

    }



    /**

     * Validation warning.  Does not mark the object contents invalid.

     * @param error code

     * @param array error information

     * @access private

     */

    function _validateWarning($code, $params = array())

    {

        $this->_stack->push($code, 'warning', $params, false, false, debug_backtrace());

    }



    /**

     * @param integer error code

     * @access protected

     */

    function _getErrorMessage()

    {

        return array(

                PEAR_PACKAGEFILE_ERROR_NO_NAME =>

                    'Missing Package Name',

                PEAR_PACKAGEFILE_ERROR_NO_SUMMARY =>

                    'No summary found',

                PEAR_PACKAGEFILE_ERROR_MULTILINE_SUMMARY =>

                    'Summary should be on one line',

                PEAR_PACKAGEFILE_ERROR_NO_DESCRIPTION =>

                    'Missing description',

                PEAR_PACKAGEFILE_ERROR_NO_LICENSE =>

                    'Missing license',

                PEAR_PACKAGEFILE_ERROR_NO_VERSION =>

                    'No release version found',

                PEAR_PACKAGEFILE_ERROR_NO_STATE =>

                    'No release state found',

                PEAR_PACKAGEFILE_ERROR_NO_DATE =>

                    'No release date found',

                PEAR_PACKAGEFILE_ERROR_NO_NOTES =>

                    'No release notes found',

                PEAR_PACKAGEFILE_ERROR_NO_MAINTAINERS =>

                    'No maintainers found, at least one must be defined',

                PEAR_PACKAGEFILE_ERROR_NO_MAINTHANDLE =>

                    'Maintainer %index% has no handle (user ID at channel server)',

                PEAR_PACKAGEFILE_ERROR_NO_MAINTROLE =>

                    'Maintainer %index% has no role',

                PEAR_PACKAGEFILE_ERROR_NO_MAINTNAME =>

                    'Maintainer %index% has no name',

                PEAR_PACKAGEFILE_ERROR_NO_MAINTEMAIL =>

                    'Maintainer %index% has no email',

                PEAR_PACKAGEFILE_ERROR_NO_DEPNAME =>

                    'Dependency %index% is not a php dependency, and has no name',

                PEAR_PACKAGEFILE_ERROR_NO_DEPREL =>

                    'Dependency %index% has no relation (rel)',

                PEAR_PACKAGEFILE_ERROR_NO_DEPTYPE =>

                    'Dependency %index% has no type',

                PEAR_PACKAGEFILE_ERROR_NO_DEPVERSION =>

                    'Dependency %index% is not a rel="has" or rel="not" dependency, ' .

                        'and has no version',

                PEAR_PACKAGEFILE_ERROR_DEPVERSION_IGNORED =>

                    'Dependency %index% is a rel="%rel%" dependency, versioning is ignored',

                PEAR_PACKAGEFILE_ERROR_INVALID_DEPOPTIONAL =>

                    'Dependency %index% has invalid optional value "%opt%", should be yes or no',

                PEAR_PACKAGEFILE_PHP_NO_NOT =>

                    'Dependency %index%: php dependencies cannot use "not" rel, use "ne"' .

                        ' to exclude specific versions',

                PEAR_PACKAGEFILE_ERROR_NO_CONFNAME =>

                    'Configure Option %index% has no name',

                PEAR_PACKAGEFILE_ERROR_NO_CONFPROMPT =>

                    'Configure Option %index% has no prompt',

                PEAR_PACKAGEFILE_ERROR_NO_FILES =>

                    'No files in <filelist> section of package.xml',

                PEAR_PACKAGEFILE_ERROR_NO_FILEROLE =>

                    'File "%file%" has no role, expecting one of "%roles%"',

                PEAR_PACKAGEFILE_ERROR_INVALID_FILEROLE =>

                    'File "%file%" has invalid role "%role%", expecting one of "%roles%"',

                PEAR_PACKAGEFILE_ERROR_INVALID_PHPFILE =>

                    'Parser error: invalid PHP found in file "%file%"',

                PEAR_PACKAGEFILE_ERROR_NO_PNAME_PREFIX =>

                    'in %file%: %type% "%name%" not prefixed with package name "%package%"',

                PEAR_PACKAGEFILE_ERROR_INVALID_FILE =>

                    'Parser error: invalid PHP file "%file%"',

                PEAR_PACKAGEFILE_ERROR_CHANNELVAL =>

                    'Channel validator error: field "%field%" - %reason%',

                PEAR_PACKAGEFILE_ERROR_PHP5 =>

                    'Error, PHP5 token encountered, analysis should be in PHP5',

                PEAR_PACKAGEFILE_ERROR_FILE_NOTFOUND =>

                    'File "%file%" in package.xml does not exist',

                PEAR_PACKAGEFILE_ERROR_NON_ISO_CHARS =>

                    'Package.xml contains non-ISO-8859-1 characters, and may not validate',

            );

    }



    /**

     * Validate XML package definition file.

     *

     * @access public

     * @return boolean

     */

    function validate($state = PEAR_VALIDATE_NORMAL, $nofilechecking = false)

    {

        if (($this->_isValid & $state) == $state) {

            return true;

        }

        $this->_isValid = true;

        $info = $this->_packageInfo;

        if (empty($info['package'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_NAME);

            $this->_packageName = $pn = 'unknown';

        } else {

            $this->_packageName = $pn = $info['package'];

        }



        if (empty($info['summary'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_SUMMARY);

        } elseif (strpos(trim($info['summary']), "\n") !== false) {

            $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_MULTILINE_SUMMARY,

                array('summary' => $info['summary']));

        }

        if (empty($info['description'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_DESCRIPTION);

        }

        if (empty($info['release_license'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_LICENSE);

        }

        if (empty($info['version'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_VERSION);

        }

        if (empty($info['release_state'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_STATE);

        }

        if (empty($info['release_date'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_DATE);

        }

        if (empty($info['release_notes'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_NOTES);

        }

        if (empty($info['maintainers'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_MAINTAINERS);

        } else {

            $i = 1;

            foreach ($info['maintainers'] as $m) {

                if (empty($m['handle'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_MAINTHANDLE,

                        array('index' => $i));

                }

                if (empty($m['role'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_MAINTROLE,

                        array('index' => $i, 'roles' => PEAR_Common::getUserRoles()));

                }

                if (empty($m['name'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_MAINTNAME,

                        array('index' => $i));

                }

                if (empty($m['email'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_MAINTEMAIL,

                        array('index' => $i));

                }

                $i++;

            }

        }

        if (!empty($info['release_deps'])) {

            $i = 1;

            foreach ($info['release_deps'] as $d) {

                if (!isset($d['type']) || empty($d['type'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_DEPTYPE,

                        array('index' => $i, 'types' => PEAR_Common::getDependencyTypes()));

                    continue;

                }

                if (!isset($d['rel']) || empty($d['rel'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_DEPREL,

                        array('index' => $i, 'rels' => PEAR_Common::getDependencyRelations()));

                    continue;

                }

                if (!empty($d['optional'])) {

                    if (!in_array($d['optional'], array('yes', 'no'))) {

                        $this->_validateError(PEAR_PACKAGEFILE_ERROR_INVALID_DEPOPTIONAL,

                            array('index' => $i, 'opt' => $d['optional']));

                    }

                }

                if ($d['rel'] != 'has' && $d['rel'] != 'not' && empty($d['version'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_DEPVERSION,

                        array('index' => $i));

                } elseif (($d['rel'] == 'has' || $d['rel'] == 'not') && !empty($d['version'])) {

                    $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_DEPVERSION_IGNORED,

                        array('index' => $i, 'rel' => $d['rel']));

                }

                if ($d['type'] == 'php' && !empty($d['name'])) {

                    $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_DEPNAME_IGNORED,

                        array('index' => $i, 'name' => $d['name']));

                } elseif ($d['type'] != 'php' && empty($d['name'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_DEPNAME,

                        array('index' => $i));

                }

                if (($d['rel'] == 'not') && ($d['type'] == 'php')) {

                    $this->_validateError(PEAR_PACKAGEFILE_PHP_NO_NOT,

                        array('index' => $i));

                }

                $i++;

            }

        }

        if (!empty($info['configure_options'])) {

            $i = 1;

            foreach ($info['configure_options'] as $c) {

                if (empty($c['name'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_CONFNAME,

                        array('index' => $i));

                }

                if (empty($c['prompt'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_CONFPROMPT,

                        array('index' => $i));

                }

                $i++;

            }

        }

        if (empty($info['filelist'])) {

            $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_FILES);

            $errors[] = 'no files';

        } else {

            foreach ($info['filelist'] as $file => $fa) {

                if (empty($fa['role'])) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_NO_FILEROLE,

                        array('file' => $file, 'roles' => PEAR_Common::getFileRoles()));

                    continue;

                } elseif (!in_array($fa['role'], PEAR_Common::getFileRoles())) {

                    $this->_validateError(PEAR_PACKAGEFILE_ERROR_INVALID_FILEROLE,

                        array('file' => $file, 'role' => $fa['role'], 'roles' => PEAR_Common::getFileRoles()));

                }

            }

        }

        if (isset($this->_registry) && $this->_isValid) {

            $chan = $this->_registry->getChannel('pear.php.net');

            $validator = $chan->getValidationObject();

            $validator->setPackageFile($this);

            $validator->validate($state);

            $failures = $validator->getFailures();

            foreach ($failures['errors'] as $error) {

                $this->_validateError(PEAR_PACKAGEFILE_ERROR_CHANNELVAL, $error);

            }

            foreach ($failures['warnings'] as $warning) {

                $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_CHANNELVAL, $warning);

            }

        }

        if ($this->_isValid && $state == PEAR_VALIDATE_PACKAGING && !$nofilechecking) {

            if ($this->_analyzePhpFiles()) {

                $this->_isValid = true;

            }

        }

        if ($this->_isValid) {

            return $this->_isValid = $state;

        }

        return $this->_isValid = 0;

    }



    function _analyzePhpFiles()

    {

        if (!$this->_isValid) {

            return false;

        }

        if (!isset($this->_packageFile)) {

            return false;

        }

        $dir_prefix = dirname($this->_packageFile);

        $common = new PEAR_Common;

        $log = isset($this->_logger) ? array(&$this->_logger, 'log') :

            array($common, 'log');

        $info = $this->getFilelist();

        foreach ($info as $file => $fa) {

            if (!file_exists($dir_prefix . DIRECTORY_SEPARATOR . $file)) {

                $this->_validateError(PEAR_PACKAGEFILE_ERROR_FILE_NOTFOUND,

                    array('file' => realpath($dir_prefix) . DIRECTORY_SEPARATOR . $file));

                continue;

            }

            if ($fa['role'] == 'php' && $dir_prefix) {

                call_user_func_array($log, array(1, "Analyzing $file"));

                $srcinfo = $this->_analyzeSourceCode($dir_prefix . DIRECTORY_SEPARATOR . $file);

                if ($srcinfo) {

                    $this->_buildProvidesArray($srcinfo);

                }

            }

        }

        $this->_packageName = $pn = $this->getPackage();

        $pnl = strlen($pn);

        if (isset($this->_packageInfo['provides'])) {

            foreach ((array) $this->_packageInfo['provides'] as $key => $what) {

                if (isset($what['explicit'])) {

                    // skip conformance checks if the provides entry is

                    // specified in the package.xml file

                    continue;

                }

                extract($what);

                if ($type == 'class') {

                    if (!strncasecmp($name, $pn, $pnl)) {

                        continue;

                    }

                    $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_NO_PNAME_PREFIX,

                        array('file' => $file, 'type' => $type, 'name' => $name, 'package' => $pn));

                } elseif ($type == 'function') {

                    if (strstr($name, '::') || !strncasecmp($name, $pn, $pnl)) {

                        continue;

                    }

                    $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_NO_PNAME_PREFIX,

                        array('file' => $file, 'type' => $type, 'name' => $name, 'package' => $pn));

                }

            }

        }

        return $this->_isValid;

    }



    function &getDefaultGenerator()

    {

        if (!class_exists('PEAR_PackageFile_Generator_v1')) {

            require_once 'PEAR/PackageFile/Generator/v1.php';

        }

        $a = &new PEAR_PackageFile_Generator_v1($this);

        return $a;

    }



    /**

     * Get the contents of a file listed within the package.xml

     * @param string

     * @return string

     */

    function getFileContents($file)

    {

        if ($this->_archiveFile == $this->_packageFile) { // unpacked

            $dir = dirname($this->_packageFile);

            $file = $dir . DIRECTORY_SEPARATOR . $file;

            $file = str_replace(array('/', '\\'),

                array(DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR), $file);

            if (file_exists($file) && is_readable($file)) {

                return implode('', file($file));

            }

        } else { // tgz

            if (!class_exists('Archive_Tar')) {

                require_once 'Archive/Tar.php';

            }

            $tar = &new Archive_Tar($this->_archiveFile);

            $tar->pushErrorHandling(PEAR_ERROR_RETURN);

            if ($file != 'package.xml' && $file != 'package2.xml') {

                $file = $this->getPackage() . '-' . $this->getVersion() . '/' . $file;

            }

            $file = $tar->extractInString($file);

            $tar->popErrorHandling();

            if (PEAR::isError($file)) {

                return PEAR::raiseError("Cannot locate file '$file' in archive");

            }

            return $file;

        }

    }



    // {{{ analyzeSourceCode()

    /**

     * Analyze the source code of the given PHP file

     *

     * @param  string Filename of the PHP file

     * @return mixed

     * @access private

     */

    function _analyzeSourceCode($file)

    {

        if (!function_exists("token_get_all")) {

            return false;

        }

        if (!defined('T_DOC_COMMENT')) {

            define('T_DOC_COMMENT', T_COMMENT);

        }

        if (!defined('T_INTERFACE')) {

            define('T_INTERFACE', -1);

        }

        if (!defined('T_IMPLEMENTS')) {

            define('T_IMPLEMENTS', -1);

        }

        if (!$fp = @fopen($file, "r")) {

            return false;

        }

        $contents = @fread($fp, filesize($file));

        $tokens = token_get_all($contents);

/*

        for ($i = 0; $i < sizeof($tokens); $i++) {

            @list($token, $data) = $tokens[$i];

            if (is_string($token)) {

                var_dump($token);

            } else {

                print token_name($token) . ' ';

                var_dump(rtrim($data));

            }

        }

*/

        $look_for = 0;

        $paren_level = 0;

        $bracket_level = 0;

        $brace_level = 0;

        $lastphpdoc = '';

        $current_class = '';

        $current_interface = '';

        $current_class_level = -1;

        $current_function = '';

        $current_function_level = -1;

        $declared_classes = array();

        $declared_interfaces = array();

        $declared_functions = array();

        $declared_methods = array();

        $used_classes = array();

        $used_functions = array();

        $extends = array();

        $implements = array();

        $nodeps = array();

        $inquote = false;

        $interface = false;

        for ($i = 0; $i < sizeof($tokens); $i++) {

            if (is_array($tokens[$i])) {

                list($token, $data) = $tokens[$i];

            } else {

                $token = $tokens[$i];

                $data = '';

            }

            if ($inquote) {

                if ($token != '"' && $token != T_END_HEREDOC) {

                    continue;

                } else {

                    $inquote = false;

                }

            }

            switch ($token) {

                case T_WHITESPACE :

                    continue;

                case ';':

                    if ($interface) {

                        $current_function = '';

                        $current_function_level = -1;

                    }

                    break;

                case '"':

                case T_START_HEREDOC:

                    $inquote = true;

                    break;

                case T_CURLY_OPEN:

                case T_DOLLAR_OPEN_CURLY_BRACES:

                case '{': $brace_level++; continue 2;

                case '}':

                    $brace_level--;

                    if ($current_class_level == $brace_level) {

                        $current_class = '';

                        $current_class_level = -1;

                    }

                    if ($current_function_level == $brace_level) {

                        $current_function = '';

                        $current_function_level = -1;

                    }

                    continue 2;

                case '[': $bracket_level++; continue 2;

                case ']': $bracket_level--; continue 2;

                case '(': $paren_level++;   continue 2;

                case ')': $paren_level--;   continue 2;

                case T_INTERFACE:

                    $interface = true;

                case T_CLASS:

                    if (($current_class_level != -1) || ($current_function_level != -1)) {

                        $this->_validateError(PEAR_PACKAGEFILE_ERROR_INVALID_PHPFILE,

                            array('file' => $file));

                        return false;

                    }

                case T_FUNCTION:

                case T_NEW:

                case T_EXTENDS:

                case T_IMPLEMENTS:

                    $look_for = $token;

                    continue 2;

                case T_STRING:

                    if (version_compare(zend_version(), '2.0', '<')) {

                        if (in_array(strtolower($data),

                            array('public', 'private', 'protected', 'abstract',

                                  'interface', 'implements', 'clone', 'throw') 

                                 )) {

                            $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_PHP5);

                        }

                    }

                    if ($look_for == T_CLASS) {

                        $current_class = $data;

                        $current_class_level = $brace_level;

                        $declared_classes[] = $current_class;

                    } elseif ($look_for == T_INTERFACE) {

                        $current_interface = $data;

                        $current_class_level = $brace_level;

                        $declared_interfaces[] = $current_interface;

                    } elseif ($look_for == T_IMPLEMENTS) {

                        $implements[$current_class] = $data;

                    } elseif ($look_for == T_EXTENDS) {

                        $extends[$current_class] = $data;

                    } elseif ($look_for == T_FUNCTION) {

                        if ($current_class) {

                            $current_function = "$current_class::$data";

                            $declared_methods[$current_class][] = $data;

                        } elseif ($current_interface) {

                            $current_function = "$current_interface::$data";

                            $declared_methods[$current_interface][] = $data;

                        } else {

                            $current_function = $data;

                            $declared_functions[] = $current_function;

                        }

                        $current_function_level = $brace_level;

                        $m = array();

                    } elseif ($look_for == T_NEW) {

                        $used_classes[$data] = true;

                    }

                    $look_for = 0;

                    continue 2;

                case T_VARIABLE:

                    $look_for = 0;

                    continue 2;

                case T_DOC_COMMENT:

                case T_COMMENT:

                    if (preg_match('!^/\*\*\s!', $data)) {

                        $lastphpdoc = $data;

                        if (preg_match_all('/@nodep\s+(\S+)/', $lastphpdoc, $m)) {

                            $nodeps = array_merge($nodeps, $m[1]);

                        }

                    }

                    continue 2;

                case T_DOUBLE_COLON:

                    if (!($tokens[$i - 1][0] == T_WHITESPACE || $tokens[$i - 1][0] == T_STRING)) {

                        $this->_validateError(PEAR_PACKAGEFILE_ERROR_INVALID_PHPFILE,

                            array('file' => $file));

                        return false;

                    }

                    $class = $tokens[$i - 1][1];

                    if (strtolower($class) != 'parent') {

                        $used_classes[$class] = true;

                    }

                    continue 2;

            }

        }

        return array(

            "source_file" => $file,

            "declared_classes" => $declared_classes,

            "declared_interfaces" => $declared_interfaces,

            "declared_methods" => $declared_methods,

            "declared_functions" => $declared_functions,

            "used_classes" => array_diff(array_keys($used_classes), $nodeps),

            "inheritance" => $extends,

            "implements" => $implements,

            );

    }



    /**

     * 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 private

     *

     */

    function _buildProvidesArray($srcinfo)

    {

        if (!$this->_isValid) {

            return false;

        }

        $file = basename($srcinfo['source_file']);

        $pn = $this->getPackage();

        $pnl = strlen($pn);

        foreach ($srcinfo['declared_classes'] as $class) {

            $key = "class;$class";

            if (isset($this->_packageInfo['provides'][$key])) {

                continue;

            }

            $this->_packageInfo['provides'][$key] =

                array('file'=> $file, 'type' => 'class', 'name' => $class);

            if (isset($srcinfo['inheritance'][$class])) {

                $this->_packageInfo['provides'][$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($this->_packageInfo['provides'][$key])) {

                    continue;

                }

                $this->_packageInfo['provides'][$key] =

                    array('file'=> $file, 'type' => 'function', 'name' => $function);

            }

        }



        foreach ($srcinfo['declared_functions'] as $function) {

            $key = "function;$function";

            if ($function{0} == '_' || isset($this->_packageInfo['provides'][$key])) {

                continue;

            }

            if (!strstr($function, '::') && strncasecmp($function, $pn, $pnl)) {

                $warnings[] = "in1 " . $file . ": function \"$function\" not prefixed with package name \"$pn\"";

            }

            $this->_packageInfo['provides'][$key] =

                array('file'=> $file, 'type' => 'function', 'name' => $function);

        }

    }



    // }}}

}

?>