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Initial repo created
[timetracker.git] / WEB-INF / lib / pear / PEAR / PackageFile / Generator / v2.php
diff --git a/WEB-INF/lib/pear/PEAR/PackageFile/Generator/v2.php b/WEB-INF/lib/pear/PEAR/PackageFile/Generator/v2.php
new file mode 100644 (file)
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+<?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
+ * @version    CVS: $Id: v2.php 313023 2011-07-06 19:17:11Z dufuz $
+ * @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: 1.9.4
+ * @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 conjuction 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 $_packagefile;
+    /**
+     * @param PEAR_PackageFile_v2
+     */
+    function PEAR_PackageFile_Generator_v2(&$packagefile)
+    {
+        $this->_packagefile = &$packagefile;
+        if (isset($this->_packagefile->encoding)) {
+            $this->_defaultOptions['encoding'] = $this->_packagefile->encoding;
+        }
+    }
+
+    /**
+     * @return string
+     */
+    function getPackagerVersion()
+    {
+        return '1.9.4';
+    }
+
+    /**
+     * @param PEAR_Packager
+     * @param bool generate a .tgz or a .tar
+     * @param string|null temporary directory to package in
+     */
+    function toTgz(&$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;
+        }
+
+        $arr['attribs']['packagerversion'] = '1.9.4';
+        if ($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($tag['content'])) {
+            if ($this->options['encoding'] == 'UTF-8' &&
+                  version_compare(phpversion(), '5.0.0', 'lt')
+            ) {
+                $tag['content'] = utf8_encode($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;
+    }
+}
\ No newline at end of file