src/PEAR/PackageFile/Generator/v1.php
function &toV2($class = 'PEAR_PackageFile_v2', $strict = false)
    {
        if ($strict) {
            if (!$this->_packagefile->validate()) {
                $a = PEAR::raiseError('invalid package.xml version 1.0 cannot be converted' .
                    ' to version 2.0', null, null, null,
                    $this->_packagefile->getValidationWarnings(true));
                return $a;
            }
        }

        $arr = array(
            'attribs' => array(
                             'version' => '2.0',
                             'xmlns' => 'http://pear.php.net/dtd/package-2.0',
                             'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
                             'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
                             'xsi:schemaLocation' => "http://pear.php.net/dtd/tasks-1.0\n" .
"http://pear.php.net/dtd/tasks-1.0.xsd\n" .
"http://pear.php.net/dtd/package-2.0\n" .
'http://pear.php.net/dtd/package-2.0.xsd',
                         ),
            'name' => $this->_packagefile->getPackage(),
            'channel' => 'pear.php.net',
        );
        $arr['summary'] = $this->_packagefile->getSummary();
        $arr['description'] = $this->_packagefile->getDescription();
        $maintainers = $this->_packagefile->getMaintainers();
        foreach ($maintainers as $maintainer) {
            if ($maintainer['role'] != 'lead') {
                continue;
            }
            $new = array(
                'name' => $maintainer['name'],
                'user' => $maintainer['handle'],
                'email' => $maintainer['email'],
                'active' => 'yes',
            );
            $arr['lead'][] = $new;
        }

        if (!isset($arr['lead'])) { // some people... you know?
            $arr['lead'] = array(
                'name' => 'unknown',
                'user' => 'unknown',
                'email' => 'noleadmaintainer@example.com',
                'active' => 'no',
            );
        }

        if (count($arr['lead']) == 1) {
            $arr['lead'] = $arr['lead'][0];
        }

        foreach ($maintainers as $maintainer) {
            if ($maintainer['role'] == 'lead') {
                continue;
            }
            $new = array(
                'name' => $maintainer['name'],
                'user' => $maintainer['handle'],
                'email' => $maintainer['email'],
                'active' => 'yes',
            );
            $arr[$maintainer['role']][] = $new;
        }

        if (isset($arr['developer']) && count($arr['developer']) == 1) {
            $arr['developer'] = $arr['developer'][0];
        }

        if (isset($arr['contributor']) && count($arr['contributor']) == 1) {
            $arr['contributor'] = $arr['contributor'][0];
        }

        if (isset($arr['helper']) && count($arr['helper']) == 1) {
            $arr['helper'] = $arr['helper'][0];
        }

        $arr['date'] = $this->_packagefile->getDate();
        $arr['version'] =
            array(
                'release' => $this->_packagefile->getVersion(),
                'api' => $this->_packagefile->getVersion(),
            );
        $arr['stability'] =
            array(
                'release' => $this->_packagefile->getState(),
                'api' => $this->_packagefile->getState(),
            );
        $licensemap =
            array(
                'php' => 'http://www.php.net/license',
                'php license' => 'http://www.php.net/license',
                'lgpl' => 'http://www.gnu.org/copyleft/lesser.html',
                'bsd' => 'http://www.opensource.org/licenses/bsd-license.php',
                'bsd style' => 'http://www.opensource.org/licenses/bsd-license.php',
                'bsd-style' => 'http://www.opensource.org/licenses/bsd-license.php',
                'mit' => 'http://www.opensource.org/licenses/mit-license.php',
                'gpl' => 'http://www.gnu.org/copyleft/gpl.html',
                'apache' => 'http://www.opensource.org/licenses/apache2.0.php'
            );

        if (isset($licensemap[strtolower($this->_packagefile->getLicense())])) {
            $arr['license'] = array(
                'attribs' => array('uri' =>
                    $licensemap[strtolower($this->_packagefile->getLicense())]),
                '_content' => $this->_packagefile->getLicense()
                );
        } else {
            // don't use bogus uri
            $arr['license'] = $this->_packagefile->getLicense();
        }

        $arr['notes'] = $this->_packagefile->getNotes();
        $temp = array();
        $arr['contents'] = $this->_convertFilelist2_0($temp);
        $this->_convertDependencies2_0($arr);
        $release = ($this->_packagefile->getConfigureOptions() || $this->_isExtension) ?
            'extsrcrelease' : 'phprelease';
        if ($release == 'extsrcrelease') {
            $arr['channel'] = 'pecl.php.net';
            $arr['providesextension'] = $arr['name']; // assumption
        }

        $arr[$release] = array();
        if ($this->_packagefile->getConfigureOptions()) {
            $arr[$release]['configureoption'] = $this->_packagefile->getConfigureOptions();
            foreach ($arr[$release]['configureoption'] as $i => $opt) {
                $arr[$release]['configureoption'][$i] = array('attribs' => $opt);
            }
            if (count($arr[$release]['configureoption']) == 1) {
                $arr[$release]['configureoption'] = $arr[$release]['configureoption'][0];
            }
        }

        $this->_convertRelease2_0($arr[$release], $temp);
        if ($release == 'extsrcrelease' && count($arr[$release]) > 1) {
            // multiple extsrcrelease tags added in PEAR 1.4.1
            $arr['dependencies']['required']['pearinstaller']['min'] = '1.4.1';
        }

        if ($cl = $this->_packagefile->getChangelog()) {
            foreach ($cl as $release) {
                $rel = array();
                $rel['version'] =
                    array(
                        'release' => $release['version'],
                        'api' => $release['version'],
                    );
                if (!isset($release['release_state'])) {
                    $release['release_state'] = 'stable';
                }

                $rel['stability'] =
                    array(
                        'release' => $release['release_state'],
                        'api' => $release['release_state'],
                    );
                if (isset($release['release_date'])) {
                    $rel['date'] = $release['release_date'];
                } else {
                    $rel['date'] = date('Y-m-d');
                }

                if (isset($release['release_license'])) {
                    if (isset($licensemap[strtolower($release['release_license'])])) {
                        $uri = $licensemap[strtolower($release['release_license'])];
                    } else {
                        $uri = 'http://www.example.com';
                    }
                    $rel['license'] = array(
                            'attribs' => array('uri' => $uri),
                            '_content' => $release['release_license']
                        );
                } else {
                    $rel['license'] = $arr['license'];
                }

                if (!isset($release['release_notes'])) {
                    $release['release_notes'] = 'no release notes';
                }

                $rel['notes'] = $release['release_notes'];
                $arr['changelog']['release'][] = $rel;
            }
        }

        $ret = new $class;
        $ret->setConfig($this->_packagefile->_config);
        if (isset($this->_packagefile->_logger) && is_object($this->_packagefile->_logger)) {
            $ret->setLogger($this->_packagefile->_logger);
        }

        $ret->fromArray($arr);
        return $ret;
    }
function &toV2($class = 'PEAR_PackageFile_v2', $strict = false)
    {
        if ($strict) {
            if (!$this->_packagefile->validate()) {
                $a = PEAR::raiseError('invalid package.xml version 1.0 cannot be converted' .
                    ' to version 2.0', null, null, null,
                    $this->_packagefile->getValidationWarnings(true));
                return $a;
            }
        }

        $arr = array(
            'attribs' => array(
                             'version' => '2.0',
                             'xmlns' => 'http://pear.php.net/dtd/package-2.0',
                             'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
                             'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
                             'xsi:schemaLocation' => "http://pear.php.net/dtd/tasks-1.0\n" .
"http://pear.php.net/dtd/tasks-1.0.xsd\n" .
"http://pear.php.net/dtd/package-2.0\n" .
'http://pear.php.net/dtd/package-2.0.xsd',
                         ),
            'name' => $this->_packagefile->getPackage(),
            'channel' => 'pear.php.net',
        );
        $arr['summary'] = $this->_packagefile->getSummary();
        $arr['description'] = $this->_packagefile->getDescription();
        $maintainers = $this->_packagefile->getMaintainers();
        foreach ($maintainers as $maintainer) {
            if ($maintainer['role'] != 'lead') {
                continue;
            }
            $new = array(
                'name' => $maintainer['name'],
                'user' => $maintainer['handle'],
                'email' => $maintainer['email'],
                'active' => 'yes',
            );
            $arr['lead'][] = $new;
        }

        if (!isset($arr['lead'])) { // some people... you know?
            $arr['lead'] = array(
                'name' => 'unknown',
                'user' => 'unknown',
                'email' => 'noleadmaintainer@example.com',
                'active' => 'no',
            );
        }

        if (count($arr['lead']) == 1) {
            $arr['lead'] = $arr['lead'][0];
        }

        foreach ($maintainers as $maintainer) {
            if ($maintainer['role'] == 'lead') {
                continue;
            }
            $new = array(
                'name' => $maintainer['name'],
                'user' => $maintainer['handle'],
                'email' => $maintainer['email'],
                'active' => 'yes',
            );
            $arr[$maintainer['role']][] = $new;
        }

        if (isset($arr['developer']) && count($arr['developer']) == 1) {
            $arr['developer'] = $arr['developer'][0];
        }

        if (isset($arr['contributor']) && count($arr['contributor']) == 1) {
            $arr['contributor'] = $arr['contributor'][0];
        }

        if (isset($arr['helper']) && count($arr['helper']) == 1) {
            $arr['helper'] = $arr['helper'][0];
        }

        $arr['date'] = $this->_packagefile->getDate();
        $arr['version'] =
            array(
                'release' => $this->_packagefile->getVersion(),
                'api' => $this->_packagefile->getVersion(),
            );
        $arr['stability'] =
            array(
                'release' => $this->_packagefile->getState(),
                'api' => $this->_packagefile->getState(),
            );
        $licensemap =
            array(
                'php' => 'http://www.php.net/license',
                'php license' => 'http://www.php.net/license',
                'lgpl' => 'http://www.gnu.org/copyleft/lesser.html',
                'bsd' => 'http://www.opensource.org/licenses/bsd-license.php',
                'bsd style' => 'http://www.opensource.org/licenses/bsd-license.php',
                'bsd-style' => 'http://www.opensource.org/licenses/bsd-license.php',
                'mit' => 'http://www.opensource.org/licenses/mit-license.php',
                'gpl' => 'http://www.gnu.org/copyleft/gpl.html',
                'apache' => 'http://www.opensource.org/licenses/apache2.0.php'
            );

        if (isset($licensemap[strtolower($this->_packagefile->getLicense())])) {
            $arr['license'] = array(
                'attribs' => array('uri' =>
                    $licensemap[strtolower($this->_packagefile->getLicense())]),
                '_content' => $this->_packagefile->getLicense()
                );
        } else {
            // don't use bogus uri
            $arr['license'] = $this->_packagefile->getLicense();
        }

        $arr['notes'] = $this->_packagefile->getNotes();
        $temp = array();
        $arr['contents'] = $this->_convertFilelist2_0($temp);
        $this->_convertDependencies2_0($arr);
        $release = ($this->_packagefile->getConfigureOptions() || $this->_isExtension) ?
            'extsrcrelease' : 'phprelease';
        if ($release == 'extsrcrelease') {
            $arr['channel'] = 'pecl.php.net';
            $arr['providesextension'] = $arr['name']; // assumption
        }

        $arr[$release] = array();
        if ($this->_packagefile->getConfigureOptions()) {
            $arr[$release]['configureoption'] = $this->_packagefile->getConfigureOptions();
            foreach ($arr[$release]['configureoption'] as $i => $opt) {
                $arr[$release]['configureoption'][$i] = array('attribs' => $opt);
            }
            if (count($arr[$release]['configureoption']) == 1) {
                $arr[$release]['configureoption'] = $arr[$release]['configureoption'][0];
            }
        }

        $this->_convertRelease2_0($arr[$release], $temp);
        if ($release == 'extsrcrelease' && count($arr[$release]) > 1) {
            // multiple extsrcrelease tags added in PEAR 1.4.1
            $arr['dependencies']['required']['pearinstaller']['min'] = '1.4.1';
        }

        if ($cl = $this->_packagefile->getChangelog()) {
            foreach ($cl as $release) {
                $rel = array();
                $rel['version'] =
                    array(
                        'release' => $release['version'],
                        'api' => $release['version'],
                    );
                if (!isset($release['release_state'])) {
                    $release['release_state'] = 'stable';
                }

                $rel['stability'] =
                    array(
                        'release' => $release['release_state'],
                        'api' => $release['release_state'],
                    );
                if (isset($release['release_date'])) {
                    $rel['date'] = $release['release_date'];
                } else {
                    $rel['date'] = date('Y-m-d');
                }

                if (isset($release['release_license'])) {
                    if (isset($licensemap[strtolower($release['release_license'])])) {
                        $uri = $licensemap[strtolower($release['release_license'])];
                    } else {
                        $uri = 'http://www.example.com';
                    }
                    $rel['license'] = array(
                            'attribs' => array('uri' => $uri),
                            '_content' => $release['release_license']
                        );
                } else {
                    $rel['license'] = $arr['license'];
                }

                if (!isset($release['release_notes'])) {
                    $release['release_notes'] = 'no release notes';
                }

                $rel['notes'] = $release['release_notes'];
                $arr['changelog']['release'][] = $rel;
            }
        }

        $ret = new $class;
        $ret->setConfig($this->_packagefile->_config);
        if (isset($this->_packagefile->_logger) && is_object($this->_packagefile->_logger)) {
            $ret->setLogger($this->_packagefile->_logger);
        }

        $ret->fromArray($arr);
        return $ret;
    }
Convert a package.xml version 1.0 into version 2.0

Note that this does a basic conversion, to allow more advanced
features like bundles and multiple releases
@param string the classname to instantiate and return.  This must be
PEAR_PackageFile_v2 or a descendant
@param boolean if true, only valid, deterministic package.xml 1.0 as defined by the
strictest parameters will be converted
@return PEAR_PackageFile_v2|PEAR_Error