validator.php

php-4.4.7学习linux时下载的源代码

<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 5                                                        |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2006 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.01 of the PHP license,      |
// | that is bundled with this package in the file LICENSE, and is        |
// | available through the world-wide-web at the following url:           |
// | 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 world-wide-web, please send a note to          |
// | [e-mail] so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Author: Greg Beaver <[e-mail]>                                 |
// |                                                                      |
// +----------------------------------------------------------------------+
//
// $Id: Validator.php,v 1.1.2.5 2006/05/22 11:17:02 cellog Exp $
/**
 * Private validation class used by PEAR_PackageFile_v2 - do not use directly, its
 * sole purpose is to split up the PEAR/PackageFile/v2.php file to make it smaller
 * @author Greg Beaver <[e-mail]>
 * @access private
 */
class PEAR_PackageFile_v2_Validator
{
    /**
     * @var array
     */
    var $_packageInfo;
    /**
     * @var PEAR_PackageFile_v2
     */
    var $_pf;
    /**
     * @var PEAR_ErrorStack
     */
    var $_stack;
    /**
     * @var int
     */
    var $_isValid = 0;
    /**
     * @var int
     */
    var $_filesValid = 0;
    /**
     * @var int
     */
    var $_curState = 0;
    /**
     * @param PEAR_PackageFile_v2
     * @param int
     */
    function validate(&$pf, $state = PEAR_VALIDATE_NORMAL)
    {
        $this->_pf = &$pf;
        $this->_curState = $state;
        $this->_packageInfo = $this->_pf->getArray();
        $this->_isValid = $this->_pf->_isValid;
        $this->_filesValid = $this->_pf->_filesValid;
        $this->_stack = &$pf->_stack;
        $this->_stack->getErrors(true);
        if (($this->_isValid & $state) == $state) {
            return true;
        }
        if (!isset($this->_packageInfo) || !is_array($this->_packageInfo)) {
            return false;
        }
        if (!isset($this->_packageInfo['attribs']['version']) ||
              $this->_packageInfo['attribs']['version'] != '2.0') {
            $this->_noPackageVersion();
        }
        $structure =
        array(
            'name',
            'channel|uri',
            '*extends', // can't be multiple, but this works fine
            'summary',
            'description',
            '+lead', // these all need content checks
            '*developer',
            '*contributor',
            '*helper',
            'date',
            '*time',
            'version',
            'stability',
            'license->?uri->?filesource',
            'notes',
            'contents', //special validation needed
            '*compatible',
            'dependencies', //special validation needed
            '*usesrole',
            '*usestask', // reserve these for 1.4.0a1 to implement
                         // this will allow a package.xml to gracefully say it
                         // needs a certain package installed in order to implement a role or task
            '*providesextension',
            '*srcpackage|*srcuri',
            '+phprelease|+extsrcrelease|+extbinrelease|bundle', //special validation needed
            '*changelog',
        );
        $test = $this->_packageInfo;
        if (isset($test['dependencies']) &&
              isset($test['dependencies']['required']) &&
              isset($test['dependencies']['required']['pearinstaller']) &&
              isset($test['dependencies']['required']['pearinstaller']['min']) &&
              version_compare('1.4.9',
                $test['dependencies']['required']['pearinstaller']['min'], '<')) {
            $this->_pearVersionTooLow($test['dependencies']['required']['pearinstaller']['min']);
            return false;
        }
        // ignore post-installation array fields
        if (array_key_exists('filelist', $test)) {
            unset($test['filelist']);
        }
        if (array_key_exists('_lastmodified', $test)) {
            unset($test['_lastmodified']);
        }
        if (array_key_exists('#binarypackage', $test)) {
            unset($test['#binarypackage']);
        }
        if (array_key_exists('old', $test)) {
            unset($test['old']);
        }
        if (array_key_exists('_lastversion', $test)) {
            unset($test['_lastversion']);
        }
        if (!$this->_stupidSchemaValidate($structure,
                                          $test, '<package>')) {
            return false;
        }
        if (empty($this->_packageInfo['name'])) {
            $this->_tagCannotBeEmpty('name');
        }
        if (isset($this->_packageInfo['uri'])) {
            $test = 'uri';
        } else {
            $test = 'channel';
        }
        if (empty($this->_packageInfo[$test])) {
            $this->_tagCannotBeEmpty($test);
        }
        if (is_array($this->_packageInfo['license']) &&
              (!isset($this->_packageInfo['license']['_content']) ||
              empty($this->_packageInfo['license']['_content']))) {
            $this->_tagCannotBeEmpty('license');
        } elseif (empty($this->_packageInfo['license'])) {
            $this->_tagCannotBeEmpty('license');
        }
        if (empty($this->_packageInfo['summary'])) {
            $this->_tagCannotBeEmpty('summary');
        }
        if (empty($this->_packageInfo['description'])) {
            $this->_tagCannotBeEmpty('description');
        }
        if (empty($this->_packageInfo['date'])) {
            $this->_tagCannotBeEmpty('date');
        }
        if (empty($this->_packageInfo['notes'])) {
            $this->_tagCannotBeEmpty('notes');
        }
        if (isset($this->_packageInfo['time']) && empty($this->_packageInfo['time'])) {
            $this->_tagCannotBeEmpty('time');
        }
        if (isset($this->_packageInfo['dependencies'])) {
            $this->_validateDependencies();
        }
        if (isset($this->_packageInfo['compatible'])) {
            $this->_validateCompatible();
        }
        if (!isset($this->_packageInfo['bundle'])) {
            if (!isset($this->_packageInfo['contents']['dir'])) {
                $this->_filelistMustContainDir('contents');
                return false;
            }
            if (isset($this->_packageInfo['contents']['file'])) {
                $this->_filelistCannotContainFile('contents');
                return false;
            }
        }
        $this->_validateMaintainers();
        $this->_validateStabilityVersion();
        $fail = false;
        if (array_key_exists('usesrole', $this->_packageInfo)) {
            $roles = $this->_packageInfo['usesrole'];
            if (!is_array($roles) || !isset($roles[0])) {
                $roles = array($roles);
            }
            foreach ($roles as $role) {
                if (!isset($role['role'])) {
                    $this->_usesroletaskMustHaveRoleTask('usesrole', 'role');
                    $fail = true;
                } else {
                    if (!isset($role['channel'])) {
                        if (!isset($role['uri'])) {
                            $this->_usesroletaskMustHaveChannelOrUri($role['role'], 'usesrole');
                            $fail = true;
                        }
                    } elseif (!isset($role['package'])) {
                        $this->_usesroletaskMustHavePackage($role['role'], 'usesrole');
                        $fail = true;
                    }
                }
            }
        }
        if (array_key_exists('usestask', $this->_packageInfo)) {
            $roles = $this->_packageInfo['usestask'];
            if (!is_array($roles) || !isset($roles[0])) {
                $roles = array($roles);
            }
            foreach ($roles as $role) {
                if (!isset($role['task'])) {
                    $this->_usesroletaskMustHaveRoleTask('usestask', 'task');
                    $fail = true;
                } else {
                    if (!isset($role['channel'])) {
                        if (!isset($role['uri'])) {
                            $this->_usesroletaskMustHaveChannelOrUri($role['task'], 'usestask');
                            $fail = true;
                        }
                    } elseif (!isset($role['package'])) {
                        $this->_usesroletaskMustHavePackage($role['task'], 'usestask');
                        $fail = true;
                    }
                }
            }
        }
        if ($fail) {
            return false;
        }
        $this->_validateFilelist();
        $this->_validateRelease();
        if (!$this->_stack->hasErrors()) {
            $chan = $this->_pf->_registry->getChannel($this->_pf->getChannel(), true);
            if (PEAR::isError($chan)) {
                $this->_unknownChannel($this->_pf->getChannel());
            } else {
                $valpack = $chan->getValidationPackage();
                // for channel validator packages, always use the default PEAR validator.
                // otherwise, they can't be installed or packaged
                $validator = $chan->getValidationObject($this->_pf->getPackage());
                if (!$validator) {
                    $this->_stack->push(__FUNCTION__, 'error',
                        array_merge(
                            array('channel' => $chan->getName(),
                                  'package' => $this->_pf->getPackage()),
                              $valpack
                            ),
                        'package "%channel%/%package%" cannot be properly validated without ' .
                        'validation package "%channel%/%name%-%version%"');
                    return $this->_isValid = 0;
                }
                $validator->setPackageFile($this->_pf);
                $validator->validate($state);
                $failures = $validator->getFailures();
                foreach ($failures['errors'] as $error) {
                    $this->_stack->push(__FUNCTION__, 'error', $error,
                        'Channel validator error: field "%field%" - %reason%');
                }
                foreach ($failures['warnings'] as $warning) {
                    $this->_stack->push(__FUNCTION__, 'warning', $warning,
                        'Channel validator warning: field "%field%" - %reason%');
                }
            }
        }
        $this->_pf->_isValid = $this->_isValid = !$this->_stack->hasErrors('error');
        if ($this->_isValid && $state == PEAR_VALIDATE_PACKAGING && !$this->_filesValid) {
            if ($this->_pf->getPackageType() == 'bundle') {
                if ($this->_analyzeBundledPackages()) {
                    $this->_filesValid = $this->_pf->_filesValid = true;
                } else {
                    $this->_pf->_isValid = $this->_isValid = 0;
                }
            } else {
                if (!$this->_analyzePhpFiles()) {
                    $this->_pf->_isValid = $this->_isValid = 0;
                } else {
                    $this->_filesValid = $this->_pf->_filesValid = true;
                }
            }
        }
        if ($this->_isValid) {
            return $this->_pf->_isValid = $this->_isValid = $state;
        }
        return $this->_pf->_isValid = $this->_isValid = 0;
    }

    function _stupidSchemaValidate($structure, $xml, $root)
    {
        if (!is_array($xml)) {
            $xml = array();
        }
        $keys = array_keys($xml);
        reset($keys);
        $key = current($keys);
        while ($key == 'attribs' || $key == '_contents') {
            $key = next($keys);
        }
        $unfoundtags = $optionaltags = array();
        $ret = true;
        $mismatch = false;
        foreach ($structure as $struc) {
            if ($key) {
                $tag = $xml[$key];
            }
            $test = $this->_processStructure($struc);
            if (isset($test['choices'])) {
                $loose = true;
                foreach ($test['choices'] as $choice) {
                    if ($key == $choice['tag']) {
                        $key = next($keys);
                        while ($key == 'attribs' || $key == '_contents') {
                            $key = next($keys);
                        }
                        $unfoundtags = $optionaltags = array();
                        $mismatch = false;
                        if ($key && $key != $choice['tag'] && isset($choice['multiple'])) {
                            $unfoundtags[] = $choice['tag'];
                            $optionaltags[] = $choice['tag'];
                            if ($key) {
                                $mismatch = true;
                            }
                        }
                        $ret &= $this->_processAttribs($choice, $tag, $root);