nextcloud/3rdparty/PEAR/PackageFile/Generator/v2.php

893 lines
33 KiB
PHP

<?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;
}
}