v2.php

php-4.4.7学习linux时下载的源代码

            $ret = array();
            if (!isset($contents['dir']['file'][0])) {
                $contents['dir']['file'] = array($contents['dir']['file']);
            }
            foreach ($contents['dir']['file'] as $file) {
                $name = $file['attribs']['name'];
                if (!$preserve) {
                    $file = $file['attribs'];
                }
                $ret[$name] = $file;
            }
            if (!$preserve) {
                $this->_packageInfo['filelist'] = $ret;
            }
            return $ret;
        }
        return false;
    }

    /**
     * Return configure options array, if any
     *
     * @return array|false
     */
    function getConfigureOptions()
    {
        if ($this->getPackageType() != 'extsrc') {
            return false;
        }
        $releases = $this->getReleases();
        if (isset($releases[0])) {
            $releases = $release[0];
        }
        if (isset($releases['configureoption'])) {
            if (!isset($releases['configureoption'][0])) {
                $releases['configureoption'] = array($releases['configureoption']);
            }
            for ($i = 0; $i < count($releases['configureoption']); $i++) {
                $releases['configureoption'][$i] = $releases['configureoption'][$i]['attribs'];
            }
            return $releases['configureoption'];
        }
        return false;
    }

    /**
     * This is only used at install-time, after all serialization
     * is over.
     */
    function resetFilelist()
    {
        $this->_packageInfo['filelist'] = array();
    }

    /**
     * Retrieve a list of files that should be installed on this computer
     * @return array
     */
    function getInstallationFilelist($forfilecheck = false)
    {
        $contents = $this->getFilelist(true);
        if (isset($contents['dir']['attribs']['baseinstalldir'])) {
            $base = $contents['dir']['attribs']['baseinstalldir'];
        }
        if (isset($this->_packageInfo['bundle'])) {
            return PEAR::raiseError(
                'Exception: bundles should be handled in download code only');
        }
        $release = $this->getReleases();
        if ($release) {
            if (!isset($release[0])) {
                if (!isset($release['installconditions']) && !isset($release['filelist'])) {
                    if ($forfilecheck) {
                        return $this->getFilelist();
                    }
                    return $contents;
                }
                $release = array($release);
            }
            $depchecker = &$this->getPEARDependency2($this->_config, array(),
                array('channel' => $this->getChannel(), 'package' => $this->getPackage()),
                PEAR_VALIDATE_INSTALLING);
            foreach ($release as $instance) {
                if (isset($instance['installconditions'])) {
                    $installconditions = $instance['installconditions'];
                    if (is_array($installconditions)) {
                        PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
                        foreach ($installconditions as $type => $conditions) {
                            if (!isset($conditions[0])) {
                                $conditions = array($conditions);
                            }
                            foreach ($conditions as $condition) {
                                $ret = $depchecker->{"validate{$type}Dependency"}($condition);
                                if (PEAR::isError($ret)) {
                                    PEAR::popErrorHandling();
                                    continue 3; // skip this release
                                }
                            }
                        }
                        PEAR::popErrorHandling();
                    }
                }
                // this is the release to use
                if (isset($instance['filelist'])) {
                    // ignore files
                    if (isset($instance['filelist']['ignore'])) {
                        $ignore = isset($instance['filelist']['ignore'][0]) ?
                            $instance['filelist']['ignore'] :
                            array($instance['filelist']['ignore']);
                        foreach ($ignore as $ig) {
                            unset ($contents[$ig['attribs']['name']]);
                        }
                    }
                    // install files as this name
                    if (isset($instance['filelist']['install'])) {
                        $installas = isset($instance['filelist']['install'][0]) ?
                            $instance['filelist']['install'] :
                            array($instance['filelist']['install']);
                        foreach ($installas as $as) {
                            $contents[$as['attribs']['name']]['attribs']['install-as'] =
                                $as['attribs']['as'];
                        }
                    }
                }
                if ($forfilecheck) {
                    foreach ($contents as $file => $attrs) {
                        $contents[$file] = $attrs['attribs'];
                    }
                }
                return $contents;
            }
        } else { // simple release - no installconditions or install-as
            if ($forfilecheck) {
                return $this->getFilelist();
            }
            return $contents;
        }
        // no releases matched
        return PEAR::raiseError('No releases in package.xml matched the existing operating ' .
            'system, extensions installed, or architecture, cannot install');
    }

    /**
     * This is only used at install-time, after all serialization
     * is over.
     * @param string file name
     * @param string installed path
     */
    function setInstalledAs($file, $path)
    {
        if ($path) {
            return $this->_packageInfo['filelist'][$file]['installed_as'] = $path;
        }
        unset($this->_packageInfo['filelist'][$file]['installed_as']);
    }

    function getInstalledLocation($file)
    {
        if (isset($this->_packageInfo['filelist'][$file]['installed_as'])) {
            return $this->_packageInfo['filelist'][$file]['installed_as'];
        }
        return false;
    }

    /**
     * This is only used at install-time, after all serialization
     * is over.
     */
    function installedFile($file, $atts)
    {
        if (isset($this->_packageInfo['filelist'][$file])) {
            $this->_packageInfo['filelist'][$file] =
                array_merge($this->_packageInfo['filelist'][$file], $atts['attribs']);
        } else {
            $this->_packageInfo['filelist'][$file] = $atts['attribs'];
        }
    }

    /**
     * Retrieve the contents tag
     */
    function getContents()
    {
        if (isset($this->_packageInfo['contents'])) {
            return $this->_packageInfo['contents'];
        }
        return false;
    }

    /**
     * @param string full path to file
     * @param string attribute name
     * @param string attribute value
     * @param int risky but fast - use this to choose a file based on its position in the list
     *            of files.  Index is zero-based like PHP arrays.
     * @return bool success of operation
     */
    function setFileAttribute($filename, $attr, $value, $index = false)
    {
        $this->_isValid = 0;
        if (in_array($attr, array('role', 'name', 'baseinstalldir'))) {
            $this->_filesValid = false;
        }
        if ($index !== false &&
              isset($this->_packageInfo['contents']['dir']['file'][$index]['attribs'])) {
            $this->_packageInfo['contents']['dir']['file'][$index]['attribs'][$attr] = $value;
            return true;
        }
        if (!isset($this->_packageInfo['contents']['dir']['file'])) {
            return false;
        }
        $files = $this->_packageInfo['contents']['dir']['file'];
        if (!isset($files[0])) {
            $files = array($files);
            $ind = false;
        } else {
            $ind = true;
        }
        foreach ($files as $i => $file) {
            if (isset($file['attribs'])) {
                if ($file['attribs']['name'] == $filename) {
                    if ($ind) {
                        $this->_packageInfo['contents']['dir']['file'][$i]['attribs'][$attr] = $value;
                    } else {
                        $this->_packageInfo['contents']['dir']['file']['attribs'][$attr] = $value;
                    }
                    return true;
                }
            }
        }
        return false;
    }

    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']);
    }

    /**
     * Determines whether this package claims it is compatible with the version of
     * the package that has a recommended version dependency
     * @param PEAR_PackageFile_v2|PEAR_PackageFile_v1|PEAR_Downloader_Package
     * @return boolean
     */
    function isCompatible($pf)
    {
        if (!isset($this->_packageInfo['compatible'])) {
            return false;
        }
        if (!isset($this->_packageInfo['channel'])) {
            return false;
        }
        $me = $pf->getVersion();
        $compatible = $this->_packageInfo['compatible'];
        if (!isset($compatible[0])) {
            $compatible = array($compatible);
        }
        $found = false;
        foreach ($compatible as $info) {
            if (strtolower($info['name']) == strtolower($pf->getPackage())) {
                if (strtolower($info['channel']) == strtolower($pf->getChannel())) {
                    $found = true;
                    break;
                }
            }
        }
        if (!$found) {
            return false;
        }
        if (isset($info['exclude'])) {
            if (!isset($info['exclude'][0])) {
                $info['exclude'] = array($info['exclude']);
            }
            foreach ($info['exclude'] as $exclude) {
                if (version_compare($me, $exclude, '==')) {
                    return false;
                }
            }
        }
        if (version_compare($me, $info['min'], '>=') && version_compare($me, $info['max'], '<=')) {
            return true;
        }
        return false;
    }

    /**
     * @return array|false
     */
    function getCompatible()
    {
        if (isset($this->_packageInfo['compatible'])) {
            return $this->_packageInfo['compatible'];
        }
        return false;
    }

    function getDependencies()
    {
        if (isset($this->_packageInfo['dependencies'])) {
            return $this->_packageInfo['dependencies'];
        }
        return false;
    }

    function isSubpackageOf($p)
    {
        return $p->isSubpackage($this);
    }

    /**
     * Determines whether the passed in package is a subpackage of this package.
     *
     * No version checking is done, only name verification.
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
     * @return bool
     */
    function isSubpackage($p)
    {
        $sub = array();
        if (isset($this->_packageInfo['dependencies']['required']['subpackage'])) {
            $sub = $this->_packageInfo['dependencies']['required']['subpackage'];
            if (!isset($sub[0])) {
                $sub = array($sub);
            }
        }
        if (isset($this->_packageInfo['dependencies']['optional']['subpackage'])) {
            $sub1 = $this->_packageInfo['dependencies']['optional']['subpackage'];
            if (!isset($sub1[0])) {
                $sub1 = array($sub1);
            }
            $sub = array_merge($sub, $sub1);
        }
        if (isset($this->_packageInfo['dependencies']['group'])) {
            $group = $this->_packageInfo['dependencies']['group'];
            if (!isset($group[0])) {
                $group = array($group);
            }
            foreach ($group as $deps) {
                if (isset($deps['subpackage'])) {
                    $sub2 = $deps['subpackage'];
                    if (!isset($sub2[0])) {
                        $sub2 = array($sub2);
                    }
                    $sub = array_merge($sub, $sub2);
                }
            }
        }
        foreach ($sub as $dep) {
            if (strtolower($dep['name']) == strtolower($p->getPackage())) {
                if (isset($dep['channel'])) {
                    if (strtolower($dep['channel']) == strtolower($p->getChannel())) {
                        return true;
                    }
                } else {
                    if ($dep['uri'] == $p->getURI()) {
                        return true;
                    }
                }
            }
        }
        return false;
    }

    function dependsOn($package, $channel)
    {
        if (!($deps = $this->getDependencies())) {
            return false;
        }
        foreach (array('package', 'subpackage') as $type) {
            foreach (array('required', 'optional') as $needed) {
                if (isset($deps[$needed][$type])) {
                    if (!isset($deps[$needed][$type][0])) {