Subversion Repositories Applications.gtt

<?php

/**

 * package.xml generation class, package.xml version 2.0

 *

 * PHP versions 4 and 5

 *

 * @category   pear

 * @package    PEAR

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

 * @author     Stephan Schmidt (original XML_Serializer code)

 * @copyright  1997-2009 The Authors

 * @license    http://opensource.org/licenses/bsd-license.php New BSD License

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

 * @since      File available since Release 1.4.0a1

 */

/**

 * file/dir manipulation routines

 */

require_once 'System.php';

require_once 'XML/Util.php';

/**

 * This class converts a PEAR_PackageFile_v2 object into any output format.

 *

 * Supported output formats include array, XML string (using S. Schmidt's

 * XML_Serializer, slightly customized)

 * @category   pear

 * @package    PEAR

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

 * @author     Stephan Schmidt (original XML_Serializer code)

 * @copyright  1997-2009 The Authors

 * @license    http://opensource.org/licenses/bsd-license.php New BSD License

 * @version    Release: 1.10.1

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

 * @since      Class available since Release 1.4.0a1

 */

class PEAR_PackageFile_Generator_v2

{

   /**

    * default options for the serialization

    * @access private

    * @var array $_defaultOptions

    */

    var $_defaultOptions = array(

        'indent'             => ' ',                    // string used for indentation

        'linebreak'          => "\n",                  // string used for newlines

        'typeHints'          => false,                 // automatically add type hin attributes

        'addDecl'            => true,                 // add an XML declaration

        'defaultTagName'     => 'XML_Serializer_Tag',  // tag used for indexed arrays or invalid names

        'classAsTagName'     => false,                 // use classname for objects in indexed arrays

        'keyAttribute'       => '_originalKey',        // attribute where original key is stored

        'typeAttribute'      => '_type',               // attribute for type (only if typeHints => true)

        'classAttribute'     => '_class',              // attribute for class of objects (only if typeHints => true)

        'scalarAsAttributes' => false,                 // scalar values (strings, ints,..) will be serialized as attribute

        'prependAttributes'  => '',                    // prepend string for attributes

        'indentAttributes'   => false,                 // indent the attributes, if set to '_auto', it will indent attributes so they all start at the same column

        'mode'               => 'simplexml',             // use 'simplexml' to use parent name as tagname if transforming an indexed array

        'addDoctype'         => false,                 // add a doctype declaration

        'doctype'            => null,                  // supply a string or an array with id and uri ({@see XML_Util::getDoctypeDeclaration()}

        'rootName'           => 'package',                  // name of the root tag

        'rootAttributes'     => 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

http://pear.php.net/dtd/tasks-1.0.xsd

http://pear.php.net/dtd/package-2.0

http://pear.php.net/dtd/package-2.0.xsd',

        ),               // attributes of the root tag

        'attributesArray'    => 'attribs',                  // all values in this key will be treated as attributes

        'contentName'        => '_content',                   // this value will be used directly as content, instead of creating a new tag, may only be used in conjunction with attributesArray

        'beautifyFilelist'   => false,

        'encoding' => 'UTF-8',

    );

   /**

    * options for the serialization

    * @access private

    * @var array $options

    */

    var $options = array();

   /**

    * current tag depth

    * @var integer $_tagDepth

    */

    var $_tagDepth = 0;

   /**

    * serilialized representation of the data

    * @var string $_serializedData

    */

    var $_serializedData = null;

    /**

     * @var PEAR_PackageFile_v2

     */

    var $_packagefile;

    /**

     * @param PEAR_PackageFile_v2

     */

    function __construct(&$packagefile)

    {

        $this->_packagefile = &$packagefile;

        if (isset($this->_packagefile->encoding)) {

            $this->_defaultOptions['encoding'] = $this->_packagefile->encoding;

        }

    }

    /**

     * @return string

     */

    function getPackagerVersion()

    {

        return '1.10.1';

    }

    /**

     * @param PEAR_Packager

     * @param bool generate a .tgz or a .tar

     * @param string|null temporary directory to package in

     */

    function toTgz(&$packager, $compress = true, $where = null)

    {

        $a = null;

        return $this->toTgz2($packager, $a, $compress, $where);

    }

    /**

     * Package up both a package.xml and package2.xml for the same release

     * @param PEAR_Packager

     * @param PEAR_PackageFile_v1

     * @param bool generate a .tgz or a .tar

     * @param string|null temporary directory to package in

     */

    function toTgz2(&$packager, &$pf1, $compress = true, $where = null)

    {

        require_once 'Archive/Tar.php';

        if (!$this->_packagefile->isEquivalent($pf1)) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: "' .

                basename($pf1->getPackageFile()) .

                '" is not equivalent to "' . basename($this->_packagefile->getPackageFile())

                . '"');

        }

        if ($where === null) {

            if (!($where = System::mktemp(array('-d')))) {

                return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: mktemp failed');

            }

        } elseif (!@System::mkDir(array('-p', $where))) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: "' . $where . '" could' .

                ' not be created');

        }

        $file = $where . DIRECTORY_SEPARATOR . 'package.xml';

        if (file_exists($file) && !is_file($file)) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: unable to save package.xml as' .

                ' "' . $file  .'"');

        }

        if (!$this->_packagefile->validate(PEAR_VALIDATE_PACKAGING)) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: invalid package.xml');

        }

        $ext = $compress ? '.tgz' : '.tar';

        $pkgver = $this->_packagefile->getPackage() . '-' . $this->_packagefile->getVersion();

        $dest_package = getcwd() . DIRECTORY_SEPARATOR . $pkgver . $ext;

        if (file_exists($dest_package) && !is_file($dest_package)) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: cannot create tgz file "' .

                $dest_package . '"');

        }

        $pkgfile = $this->_packagefile->getPackageFile();

        if (!$pkgfile) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toTgz: package file object must ' .

                'be created from a real file');

        }

        $pkgdir  = dirname(realpath($pkgfile));

        $pkgfile = basename($pkgfile);

        // {{{ Create the package file list

        $filelist = array();

        $i = 0;

        $this->_packagefile->flattenFilelist();

        $contents = $this->_packagefile->getContents();

        if (isset($contents['bundledpackage'])) { // bundles of packages

            $contents = $contents['bundledpackage'];

            if (!isset($contents[0])) {

                $contents = array($contents);

            }

            $packageDir = $where;

            foreach ($contents as $i => $package) {

                $fname = $package;

                $file = $pkgdir . DIRECTORY_SEPARATOR . $fname;

                if (!file_exists($file)) {

                    return $packager->raiseError("File does not exist: $fname");

                }

                $tfile = $packageDir . DIRECTORY_SEPARATOR . $fname;

                System::mkdir(array('-p', dirname($tfile)));

                copy($file, $tfile);

                $filelist[$i++] = $tfile;

                $packager->log(2, "Adding package $fname");

            }

        } else { // normal packages

            $contents = $contents['dir']['file'];

            if (!isset($contents[0])) {

                $contents = array($contents);

            }

            $packageDir = $where;

            foreach ($contents as $i => $file) {

                $fname = $file['attribs']['name'];

                $atts = $file['attribs'];

                $orig = $file;

                $file = $pkgdir . DIRECTORY_SEPARATOR . $fname;

                if (!file_exists($file)) {

                    return $packager->raiseError("File does not exist: $fname");

                }

                $origperms = fileperms($file);

                $tfile = $packageDir . DIRECTORY_SEPARATOR . $fname;

                unset($orig['attribs']);

                if (count($orig)) { // file with tasks

                    // run any package-time tasks

                    $contents = file_get_contents($file);

                    foreach ($orig as $tag => $raw) {

                        $tag = str_replace(

                            array($this->_packagefile->getTasksNs() . ':', '-'),

                            array('', '_'), $tag);

                        $task = "PEAR_Task_$tag";

                        $task = new $task($this->_packagefile->_config,

                            $this->_packagefile->_logger,

                            PEAR_TASK_PACKAGE);

                        $task->init($raw, $atts, null);

                        $res = $task->startSession($this->_packagefile, $contents, $tfile);

                        if (!$res) {

                            continue; // skip this task

                        }

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

                            return $res;

                        }

                        $contents = $res; // save changes

                        System::mkdir(array('-p', dirname($tfile)));

                        $wp = fopen($tfile, "wb");

                        fwrite($wp, $contents);

                        fclose($wp);

                    }

                }

                if (!file_exists($tfile)) {

                    System::mkdir(array('-p', dirname($tfile)));

                    copy($file, $tfile);

                }

                chmod($tfile, $origperms);

                $filelist[$i++] = $tfile;

                $this->_packagefile->setFileAttribute($fname, 'md5sum', md5_file($tfile), $i - 1);

                $packager->log(2, "Adding file $fname");

            }

        }

            // }}}

        $name       = $pf1 !== null ? 'package2.xml' : 'package.xml';

        $packagexml = $this->toPackageFile($where, PEAR_VALIDATE_PACKAGING, $name);

        if ($packagexml) {

            $tar = new Archive_Tar($dest_package, $compress);

            $tar->setErrorHandling(PEAR_ERROR_RETURN); // XXX Don't print errors

            // ----- Creates with the package.xml file

            $ok = $tar->createModify(array($packagexml), '', $where);

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

                return $packager->raiseError($ok);

            } elseif (!$ok) {

                return $packager->raiseError('PEAR_Packagefile_v2::toTgz(): adding ' . $name .

                    ' failed');

            }

            // ----- Add the content of the package

            if (!$tar->addModify($filelist, $pkgver, $where)) {

                return $packager->raiseError(

                    'PEAR_Packagefile_v2::toTgz(): tarball creation failed');

            }

            // add the package.xml version 1.0

            if ($pf1 !== null) {

                $pfgen = &$pf1->getDefaultGenerator();

                $packagexml1 = $pfgen->toPackageFile($where, PEAR_VALIDATE_PACKAGING, 'package.xml', true);

                if (!$tar->addModify(array($packagexml1), '', $where)) {

                    return $packager->raiseError(

                        'PEAR_Packagefile_v2::toTgz(): adding package.xml failed');

                }

            }

            return $dest_package;

        }

    }

    function toPackageFile($where = null, $state = PEAR_VALIDATE_NORMAL, $name = 'package.xml')

    {

        if (!$this->_packagefile->validate($state)) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toPackageFile: invalid package.xml',

                null, null, null, $this->_packagefile->getValidationWarnings());

        }

        if ($where === null) {

            if (!($where = System::mktemp(array('-d')))) {

                return PEAR::raiseError('PEAR_Packagefile_v2::toPackageFile: mktemp failed');

            }

        } elseif (!@System::mkDir(array('-p', $where))) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toPackageFile: "' . $where . '" could' .

                ' not be created');

        }

        $newpkgfile = $where . DIRECTORY_SEPARATOR . $name;

        $np = @fopen($newpkgfile, 'wb');

        if (!$np) {

            return PEAR::raiseError('PEAR_Packagefile_v2::toPackageFile: unable to save ' .

               "$name as $newpkgfile");

        }

        fwrite($np, $this->toXml($state));

        fclose($np);

        return $newpkgfile;

    }

    function &toV2()

    {

        return $this->_packagefile;

    }

    /**

     * Return an XML document based on the package info (as returned

     * by the PEAR_Common::infoFrom* methods).

     *

     * @return string XML data

     */

    function toXml($state = PEAR_VALIDATE_NORMAL, $options = array())

    {

        $this->_packagefile->setDate(date('Y-m-d'));

        $this->_packagefile->setTime(date('H:i:s'));

        if (!$this->_packagefile->validate($state)) {

            return false;

        }

        if (is_array($options)) {

            $this->options = array_merge($this->_defaultOptions, $options);

        } else {

            $this->options = $this->_defaultOptions;

        }

        $arr = $this->_packagefile->getArray();

        if (isset($arr['filelist'])) {

            unset($arr['filelist']);

        }

        if (isset($arr['_lastversion'])) {

            unset($arr['_lastversion']);

        }

        // Fix the notes a little bit

        if (isset($arr['notes'])) {

            // This trims out the indenting, needs fixing

            $arr['notes'] = "\n" . trim($arr['notes']) . "\n";

        }

        if (isset($arr['changelog']) && !empty($arr['changelog'])) {

            // Fix for inconsistency how the array is filled depending on the changelog release amount

            if (!isset($arr['changelog']['release'][0])) {

                $release = $arr['changelog']['release'];

                unset($arr['changelog']['release']);

                $arr['changelog']['release']    = array();

                $arr['changelog']['release'][0] = $release;

            }

            foreach (array_keys($arr['changelog']['release']) as $key) {

                $c =& $arr['changelog']['release'][$key];

                if (isset($c['notes'])) {

                    // This trims out the indenting, needs fixing

                    $c['notes'] = "\n" . trim($c['notes']) . "\n";

                }

            }

        }

        if ($state ^ PEAR_VALIDATE_PACKAGING && !isset($arr['bundle'])) {

            $use = $this->_recursiveXmlFilelist($arr['contents']['dir']['file']);

            unset($arr['contents']['dir']['file']);

            if (isset($use['dir'])) {

                $arr['contents']['dir']['dir'] = $use['dir'];

            }

            if (isset($use['file'])) {

                $arr['contents']['dir']['file'] = $use['file'];

            }

            $this->options['beautifyFilelist'] = true;

        }

        $arr['attribs']['packagerversion'] = '1.10.1';

        if ($this->serialize($arr, $options)) {

            return $this->_serializedData . "\n";

        }

        return false;

    }

    function _recursiveXmlFilelist($list)

    {

        $dirs = array();

        if (isset($list['attribs'])) {

            $file = $list['attribs']['name'];

            unset($list['attribs']['name']);

            $attributes = $list['attribs'];

            $this->_addDir($dirs, explode('/', dirname($file)), $file, $attributes);

        } else {

            foreach ($list as $a) {

                $file = $a['attribs']['name'];

                $attributes = $a['attribs'];

                unset($a['attribs']);

                $this->_addDir($dirs, explode('/', dirname($file)), $file, $attributes, $a);

            }

        }

        $this->_formatDir($dirs);

        $this->_deFormat($dirs);

        return $dirs;

    }

    function _addDir(&$dirs, $dir, $file = null, $attributes = null, $tasks = null)

    {

        if (!$tasks) {

            $tasks = array();

        }

        if ($dir == array() || $dir == array('.')) {

            $dirs['file'][basename($file)] = $tasks;

            $attributes['name'] = basename($file);

            $dirs['file'][basename($file)]['attribs'] = $attributes;

            return;

        }

        $curdir = array_shift($dir);

        if (!isset($dirs['dir'][$curdir])) {

            $dirs['dir'][$curdir] = array();

        }

        $this->_addDir($dirs['dir'][$curdir], $dir, $file, $attributes, $tasks);

    }

    function _formatDir(&$dirs)

    {

        if (!count($dirs)) {

            return array();

        }

        $newdirs = array();

        if (isset($dirs['dir'])) {

            $newdirs['dir'] = $dirs['dir'];

        }

        if (isset($dirs['file'])) {

            $newdirs['file'] = $dirs['file'];

        }

        $dirs = $newdirs;

        if (isset($dirs['dir'])) {

            uksort($dirs['dir'], 'strnatcasecmp');

            foreach ($dirs['dir'] as $dir => $contents) {

                $this->_formatDir($dirs['dir'][$dir]);

            }

        }

        if (isset($dirs['file'])) {

            uksort($dirs['file'], 'strnatcasecmp');

        };

    }

    function _deFormat(&$dirs)

    {

        if (!count($dirs)) {

            return array();

        }

        $newdirs = array();

        if (isset($dirs['dir'])) {

            foreach ($dirs['dir'] as $dir => $contents) {

                $newdir = array();

                $newdir['attribs']['name'] = $dir;

                $this->_deFormat($contents);

                foreach ($contents as $tag => $val) {

                    $newdir[$tag] = $val;

                }

                $newdirs['dir'][] = $newdir;

            }

            if (count($newdirs['dir']) == 1) {

                $newdirs['dir'] = $newdirs['dir'][0];

            }

        }

        if (isset($dirs['file'])) {

            foreach ($dirs['file'] as $name => $file) {

                $newdirs['file'][] = $file;

            }

            if (count($newdirs['file']) == 1) {

                $newdirs['file'] = $newdirs['file'][0];

            }

        }

        $dirs = $newdirs;

    }

    /**

    * reset all options to default options

    *

    * @access   public

    * @see      setOption(), XML_Unserializer()

    */

    function resetOptions()

    {

        $this->options = $this->_defaultOptions;

    }

   /**

    * set an option

    *

    * You can use this method if you do not want to set all options in the constructor

    *

    * @access   public

    * @see      resetOption(), XML_Serializer()

    */

    function setOption($name, $value)

    {

        $this->options[$name] = $value;

    }

   /**

    * sets several options at once

    *

    * You can use this method if you do not want to set all options in the constructor

    *

    * @access   public

    * @see      resetOption(), XML_Unserializer(), setOption()

    */

    function setOptions($options)

    {

        $this->options = array_merge($this->options, $options);

    }

   /**

    * serialize data

    *

    * @access   public

    * @param    mixed    $data data to serialize

    * @return   boolean  true on success, pear error on failure

    */

    function serialize($data, $options = null)

    {

        // if options have been specified, use them instead

        // of the previously defined ones

        if (is_array($options)) {

            $optionsBak = $this->options;

            if (isset($options['overrideOptions']) && $options['overrideOptions'] == true) {

                $this->options = array_merge($this->_defaultOptions, $options);

            } else {

                $this->options = array_merge($this->options, $options);

            }

        } else {

            $optionsBak = null;

        }

        //  start depth is zero

        $this->_tagDepth = 0;

        $this->_serializedData = '';

        // serialize an array

        if (is_array($data)) {

            $tagName = isset($this->options['rootName']) ? $this->options['rootName'] : 'array';

            $this->_serializedData .= $this->_serializeArray($data, $tagName, $this->options['rootAttributes']);

        }

        // add doctype declaration

        if ($this->options['addDoctype'] === true) {

            $this->_serializedData = XML_Util::getDoctypeDeclaration($tagName, $this->options['doctype'])

                                   . $this->options['linebreak']

                                   . $this->_serializedData;

        }

        //  build xml declaration

        if ($this->options['addDecl']) {

            $atts = array();

            $encoding = isset($this->options['encoding']) ? $this->options['encoding'] : null;

            $this->_serializedData = XML_Util::getXMLDeclaration('1.0', $encoding)

                                   . $this->options['linebreak']

                                   . $this->_serializedData;

        }

        if ($optionsBak !== null) {

            $this->options = $optionsBak;

        }

        return  true;

    }

   /**

    * get the result of the serialization

    *

    * @access public

    * @return string serialized XML

    */

    function getSerializedData()

    {

        if ($this->_serializedData === null) {

            return  $this->raiseError('No serialized data available. Use XML_Serializer::serialize() first.', XML_SERIALIZER_ERROR_NO_SERIALIZATION);

        }

        return $this->_serializedData;

    }

   /**

    * serialize any value

    *

    * This method checks for the type of the value and calls the appropriate method

    *

    * @access private

    * @param  mixed     $value

    * @param  string    $tagName

    * @param  array     $attributes

    * @return string

    */

    function _serializeValue($value, $tagName = null, $attributes = array())

    {

        if (is_array($value)) {

            $xml = $this->_serializeArray($value, $tagName, $attributes);

        } elseif (is_object($value)) {

            $xml = $this->_serializeObject($value, $tagName);

        } else {

            $tag = array(

                          'qname'      => $tagName,

                          'attributes' => $attributes,

                          'content'    => $value

                        );

            $xml = $this->_createXMLTag($tag);

        }

        return $xml;

    }

   /**

    * serialize an array

    *

    * @access   private

    * @param    array   $array       array to serialize

    * @param    string  $tagName     name of the root tag

    * @param    array   $attributes  attributes for the root tag

    * @return   string  $string      serialized data

    * @uses     XML_Util::isValidName() to check, whether key has to be substituted

    */

    function _serializeArray(&$array, $tagName = null, $attributes = array())

    {

        $_content = null;

        /**

         * check for special attributes

         */

        if ($this->options['attributesArray'] !== null) {

            if (isset($array[$this->options['attributesArray']])) {

                $attributes = $array[$this->options['attributesArray']];

                unset($array[$this->options['attributesArray']]);

            }

            /**

             * check for special content

             */

            if ($this->options['contentName'] !== null) {

                if (isset($array[$this->options['contentName']])) {

                    $_content = $array[$this->options['contentName']];

                    unset($array[$this->options['contentName']]);

                }

            }

        }

        /*

        * if mode is set to simpleXML, check whether

        * the array is associative or indexed

        */

        if (is_array($array) && $this->options['mode'] == 'simplexml') {

            $indexed = true;

            if (!count($array)) {

                $indexed = false;

            }

            foreach ($array as $key => $val) {

                if (!is_int($key)) {

                    $indexed = false;

                    break;

                }

            }

            if ($indexed && $this->options['mode'] == 'simplexml') {

                $string = '';

                foreach ($array as $key => $val) {

                    if ($this->options['beautifyFilelist'] && $tagName == 'dir') {

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

                            $this->_curdir = '';

                        }

                        $savedir = $this->_curdir;

                        if (isset($val['attribs'])) {

                            if ($val['attribs']['name'] == '/') {

                                $this->_curdir = '/';

                            } else {

                                if ($this->_curdir == '/') {

                                    $this->_curdir = '';

                                }

                                $this->_curdir .= '/' . $val['attribs']['name'];

                            }

                        }

                    }

                    $string .= $this->_serializeValue( $val, $tagName, $attributes);

                    if ($this->options['beautifyFilelist'] && $tagName == 'dir') {

                        $string .= ' <!-- ' . $this->_curdir . ' -->';

                        if (empty($savedir)) {

                            unset($this->_curdir);

                        } else {

                            $this->_curdir = $savedir;

                        }

                    }

                    $string .= $this->options['linebreak'];

                    // do indentation

                    if ($this->options['indent'] !== null && $this->_tagDepth > 0) {

                        $string .= str_repeat($this->options['indent'], $this->_tagDepth);

                    }

                }

                return rtrim($string);

            }

        }

        if ($this->options['scalarAsAttributes'] === true) {

            foreach ($array as $key => $value) {

                if (is_scalar($value) && (XML_Util::isValidName($key) === true)) {

                    unset($array[$key]);

                    $attributes[$this->options['prependAttributes'].$key] = $value;

                }

            }

        }

        // check for empty array => create empty tag

        if (empty($array)) {

            $tag = array(

                            'qname'      => $tagName,

                            'content'    => $_content,

                            'attributes' => $attributes

                        );

        } else {

            $this->_tagDepth++;

            $tmp = $this->options['linebreak'];

            foreach ($array as $key => $value) {

                // do indentation

                if ($this->options['indent'] !== null && $this->_tagDepth > 0) {

                    $tmp .= str_repeat($this->options['indent'], $this->_tagDepth);

                }

                // copy key

                $origKey = $key;

                // key cannot be used as tagname => use default tag

                $valid = XML_Util::isValidName($key);

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

                    if ($this->options['classAsTagName'] && is_object($value)) {

                        $key = get_class($value);

                    } else {

                        $key = $this->options['defaultTagName'];

                    }

                }

                $atts = array();

                if ($this->options['typeHints'] === true) {

                    $atts[$this->options['typeAttribute']] = gettype($value);

                    if ($key !== $origKey) {

                        $atts[$this->options['keyAttribute']] = (string)$origKey;

                    }

                }

                if ($this->options['beautifyFilelist'] && $key == 'dir') {

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

                        $this->_curdir = '';

                    }

                    $savedir = $this->_curdir;

                    if (isset($value['attribs'])) {

                        if ($value['attribs']['name'] == '/') {

                            $this->_curdir = '/';

                        } else {

                            $this->_curdir .= '/' . $value['attribs']['name'];

                        }

                    }

                }

                if (is_string($value) && $value && ($value{strlen($value) - 1} == "\n")) {

                    $value .= str_repeat($this->options['indent'], $this->_tagDepth);

                }

                $tmp .= $this->_createXMLTag(array(

                                                    'qname'      => $key,

                                                    'attributes' => $atts,

                                                    'content'    => $value )

                                            );

                if ($this->options['beautifyFilelist'] && $key == 'dir') {

                    if (isset($value['attribs'])) {

                        $tmp .= ' <!-- ' . $this->_curdir . ' -->';

                        if (empty($savedir)) {

                            unset($this->_curdir);

                        } else {

                            $this->_curdir = $savedir;

                        }

                    }

                }

                $tmp .= $this->options['linebreak'];

            }

            $this->_tagDepth--;

            if ($this->options['indent']!==null && $this->_tagDepth>0) {

                $tmp .= str_repeat($this->options['indent'], $this->_tagDepth);

            }

            if (trim($tmp) === '') {

                $tmp = null;

            }

            $tag = array(

                'qname'      => $tagName,

                'content'    => $tmp,

                'attributes' => $attributes

            );

        }

        if ($this->options['typeHints'] === true) {

            if (!isset($tag['attributes'][$this->options['typeAttribute']])) {

                $tag['attributes'][$this->options['typeAttribute']] = 'array';

            }

        }

        $string = $this->_createXMLTag($tag, false);

        return $string;

    }

   /**

    * create a tag from an array

    * this method awaits an array in the following format

    * array(

    *       'qname'        => $tagName,

    *       'attributes'   => array(),

    *       'content'      => $content,      // optional

    *       'namespace'    => $namespace     // optional

    *       'namespaceUri' => $namespaceUri  // optional

    *   )

    *

    * @access   private

    * @param    array   $tag tag definition

    * @param    boolean $replaceEntities whether to replace XML entities in content or not

    * @return   string  $string XML tag

    */

    function _createXMLTag($tag, $replaceEntities = true)

    {

        if ($this->options['indentAttributes'] !== false) {

            $multiline = true;

            $indent    = str_repeat($this->options['indent'], $this->_tagDepth);

            if ($this->options['indentAttributes'] == '_auto') {

                $indent .= str_repeat(' ', (strlen($tag['qname'])+2));

            } else {

                $indent .= $this->options['indentAttributes'];

            }

        } else {

            $indent = $multiline = false;

        }

        if (is_array($tag['content'])) {

            if (empty($tag['content'])) {

                $tag['content'] = '';

            }

        } elseif(is_scalar($tag['content']) && (string)$tag['content'] == '') {

            $tag['content'] = '';

        }

        if (is_scalar($tag['content']) || is_null($tag['content'])) {

            if ($replaceEntities === true) {

                $replaceEntities = XML_UTIL_ENTITIES_XML;

            }

            $tag = XML_Util::createTagFromArray($tag, $replaceEntities, $multiline, $indent, $this->options['linebreak']);

        } elseif (is_array($tag['content'])) {

            $tag = $this->_serializeArray($tag['content'], $tag['qname'], $tag['attributes']);

        } elseif (is_object($tag['content'])) {

            $tag = $this->_serializeObject($tag['content'], $tag['qname'], $tag['attributes']);

        } elseif (is_resource($tag['content'])) {

            settype($tag['content'], 'string');

            $tag = XML_Util::createTagFromArray($tag, $replaceEntities);

        }

        return  $tag;

    }

}