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<?PHP
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* XML_Serializer
*
* Creates XML documents from PHP data structures like arrays, objects or scalars.
*
* PHP versions 4 and 5
*
* LICENSE:
*
* Copyright (c) 2003-2008 Stephan Schmidt <schst@php.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category XML
* @package XML_Serializer
* @author Stephan Schmidt <schst@php.net>
* @copyright 2003-2008 Stephan Schmidt <schst@php.net>
* @license http://opensource.org/licenses/bsd-license New BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/XML_Serializer
* @see XML_Unserializer
*/
/**
* uses PEAR error management
*/
require_once 'PEAR.php';
/**
* uses XML_Util to create XML tags
*/
require_once 'XML/Util.php';
/**
* option: string used for indentation
*
* Possible values:
* - any string (default is any string)
*/
define('XML_SERIALIZER_OPTION_INDENT', 'indent');
/**
* option: string used for linebreaks
*
* Possible values:
* - any string (default is \n)
*/
define('XML_SERIALIZER_OPTION_LINEBREAKS', 'linebreak');
/**
* option: enable type hints
*
* Possible values:
* - true
* - false
*/
define('XML_SERIALIZER_OPTION_TYPEHINTS', 'typeHints');
/**
* option: add an XML declaration
*
* Possible values:
* - true
* - false
*/
define('XML_SERIALIZER_OPTION_XML_DECL_ENABLED', 'addDecl');
/**
* option: encoding of the document
*
* Possible values:
* - any valid encoding
* - null (default)
*/
define('XML_SERIALIZER_OPTION_XML_ENCODING', 'encoding');
/**
* option: default name for tags
*
* Possible values:
* - any string (XML_Serializer_Tag is default)
*/
define('XML_SERIALIZER_OPTION_DEFAULT_TAG', 'defaultTagName');
/**
* option: use classname for objects in indexed arrays
*
* Possible values:
* - true
* - false (default)
*/
define('XML_SERIALIZER_OPTION_CLASSNAME_AS_TAGNAME', 'classAsTagName');
/**
* option: attribute where original key is stored
*
* Possible values:
* - any string (default is _originalKey)
*/
define('XML_SERIALIZER_OPTION_ATTRIBUTE_KEY', 'keyAttribute');
/**
* option: attribute for type (only if typeHints => true)
*
* Possible values:
* - any string (default is _type)
*/
define('XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE', 'typeAttribute');
/**
* option: attribute for class (only if typeHints => true)
*
* Possible values:
* - any string (default is _class)
*/
define('XML_SERIALIZER_OPTION_ATTRIBUTE_CLASS', 'classAttribute');
/**
* option: scalar values (strings, ints,..) will be serialized as attribute
*
* Possible values:
* - true
* - false (default)
* - array which sets this option on a per-tag basis
*/
define('XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES', 'scalarAsAttributes');
/**
* option: prepend string for attributes
*
* Possible values:
* - any string (default is any string)
*/
define('XML_SERIALIZER_OPTION_PREPEND_ATTRIBUTES', 'prependAttributes');
/**
* option: indent the attributes, if set to '_auto',
* it will indent attributes so they all start at the same column
*
* Possible values:
* - true
* - false (default)
* - '_auto'
*/
define('XML_SERIALIZER_OPTION_INDENT_ATTRIBUTES', 'indentAttributes');
/**
* option: use 'simplexml' to use parent name as tagname
* if transforming an indexed array
*
* Possible values:
* - XML_SERIALIZER_MODE_DEFAULT (default)
* - XML_SERIALIZER_MODE_SIMPLEXML
*/
define('XML_SERIALIZER_OPTION_MODE', 'mode');
/**
* option: add a doctype declaration
*
* Possible values:
* - true
* - false (default)
*/
define('XML_SERIALIZER_OPTION_DOCTYPE_ENABLED', 'addDoctype');
/**
* option: supply a string or an array with id and uri
* ({@see XML_Util::getDoctypeDeclaration()}
*
* Possible values:
* - string
* - array
*/
define('XML_SERIALIZER_OPTION_DOCTYPE', 'doctype');
/**
* option: name of the root tag
*
* Possible values:
* - string
* - null (default)
*/
define('XML_SERIALIZER_OPTION_ROOT_NAME', 'rootName');
/**
* option: attributes of the root tag
*
* Possible values:
* - array
*/
define('XML_SERIALIZER_OPTION_ROOT_ATTRIBS', 'rootAttributes');
/**
* option: all values in this key will be treated as attributes
*
* Possible values:
* - string
*/
define('XML_SERIALIZER_OPTION_ATTRIBUTES_KEY', 'attributesArray');
/**
* option: this value will be used directly as content,
* instead of creating a new tag, may only be used
* in conjuction with attributesArray
*
* Possible values:
* - string
* - null (default)
*/
define('XML_SERIALIZER_OPTION_CONTENT_KEY', 'contentName');
/**
* option: this value will be used in a comment, instead of creating a new tag
*
* Possible values:
* - string
* - null (default)
*/
define('XML_SERIALIZER_OPTION_COMMENT_KEY', 'commentName');
/**
* option: tag names that will be changed
*
* Possible values:
* - array
*/
define('XML_SERIALIZER_OPTION_TAGMAP', 'tagMap');
/**
* option: function that will be applied before serializing
*
* Possible values:
* - any valid PHP callback
*/
define('XML_SERIALIZER_OPTION_ENCODE_FUNC', 'encodeFunction');
/**
* option: namespace to use for the document
*
* Possible values:
* - string
* - null (default)
*/
define('XML_SERIALIZER_OPTION_NAMESPACE', 'namespace');
/**
* option: type of entities to replace
*
* Possible values:
* - XML_SERIALIZER_ENTITIES_NONE
* - XML_SERIALIZER_ENTITIES_XML (default)
* - XML_SERIALIZER_ENTITIES_XML_REQUIRED
* - XML_SERIALIZER_ENTITIES_HTML
*/
define('XML_SERIALIZER_OPTION_ENTITIES', 'replaceEntities');
/**
* option: whether to return the result of the serialization from serialize()
*
* Possible values:
* - true
* - false (default)
*/
define('XML_SERIALIZER_OPTION_RETURN_RESULT', 'returnResult');
/**
* option: whether to ignore properties that are set to null
*
* Possible values:
* - true
* - false (default)
*/
define('XML_SERIALIZER_OPTION_IGNORE_NULL', 'ignoreNull');
/**
* option: whether to use cdata sections for character data
*
* Possible values:
* - true
* - false (default)
*/
define('XML_SERIALIZER_OPTION_CDATA_SECTIONS', 'cdata');
/**
* option: whether a boolean FALSE value should become a string
*
* Possible values:
* - true
* - false (default)
*
* @since 0.20.0
*/
define('XML_SERIALIZER_OPTION_FALSE_AS_STRING', 'falseAsString');
/**
* default mode
*/
define('XML_SERIALIZER_MODE_DEFAULT', 'default');
/**
* SimpleXML mode
*
* When serializing indexed arrays, the key of the parent value is used as a tagname.
*/
define('XML_SERIALIZER_MODE_SIMPLEXML', 'simplexml');
/**
* error code for no serialization done
*/
define('XML_SERIALIZER_ERROR_NO_SERIALIZATION', 51);
/**
* do not replace entitites
*/
define('XML_SERIALIZER_ENTITIES_NONE', XML_UTIL_ENTITIES_NONE);
/**
* replace all XML entitites
* This setting will replace <, >, ", ' and &
*/
define('XML_SERIALIZER_ENTITIES_XML', XML_UTIL_ENTITIES_XML);
/**
* replace only required XML entitites
* This setting will replace <, " and &
*/
define('XML_SERIALIZER_ENTITIES_XML_REQUIRED', XML_UTIL_ENTITIES_XML_REQUIRED);
/**
* replace HTML entitites
* @link http://www.php.net/htmlentities
*/
define('XML_SERIALIZER_ENTITIES_HTML', XML_UTIL_ENTITIES_HTML);
/**
* Creates XML documents from PHP data structures like arrays, objects or scalars.
*
* This class can be used in two modes:
*
* 1. Create an XML document from an array or object that is processed by other
* applications. That means you can create an RDF document from an array in the
* following format:
* <code>
* $data = array(
* 'channel' => array(
* 'title' => 'Example RDF channel',
* 'link' => 'http://www.php-tools.de',
* 'image' => array(
* 'title' => 'Example image',
* 'url' => 'http://www.php-tools.de/image.gif',
* 'link' => 'http://www.php-tools.de'
* ),
* array(
* 'title' => 'Example item',
* 'link' => 'http://example.com'
* ),
* array(
* 'title' => 'Another Example item',
* 'link' => 'http://example.org'
* )
* )
* );
* </code>
*
* To create an RDF document from this array, do the following:
*
* <code>
* require_once 'XML/Serializer.php';
* $options = array(
* XML_SERIALIZER_OPTION_INDENT => "\t", // indent with tabs
* XML_SERIALIZER_OPTION_LINEBREAKS => "\n", // use UNIX line breaks
* XML_SERIALIZER_OPTION_ROOT_NAME => 'rdf:RDF',// root tag
* XML_SERIALIZER_OPTION_DEFAULT_TAG => 'item' // tag for values
* // with numeric keys
* );
* $serializer = new XML_Serializer($options);
* $rdf = $serializer->serialize($data);
* </code>
*
* You will get a complete XML document that can be processed like any RDF document.
*
* 2. This class can be used to serialize any data structure in a way that it can
* later be unserialized again. XML_Serializer will store the type of the value
* and additional meta information in attributes of the surrounding tag. This
* meta information can later be used to restore the original data structure
* in PHP. If you want XML_Serializer to add meta information to the tags, add
* <code>
* XML_SERIALIZER_OPTION_TYPEHINTS => true
* </code>
* to the options array in the constructor.
*
* @category XML
* @package XML_Serializer
* @author Stephan Schmidt <schst@php.net>
* @copyright 2003-2008 Stephan Schmidt <schst@php.net>
* @license http://opensource.org/licenses/bsd-license New BSD License
* @version Release: @package_version@
* @link http://pear.php.net/package/XML_Serializer
* @see XML_Unserializer
* @todo replace extending PEAR class with instead using a PEAR_Error object
*/
class XML_Serializer extends PEAR
{
/**
* List of all available options
*
* @access private
* @var array
*/
var $_knownOptions = array(
XML_SERIALIZER_OPTION_INDENT,
XML_SERIALIZER_OPTION_LINEBREAKS,
XML_SERIALIZER_OPTION_TYPEHINTS,
XML_SERIALIZER_OPTION_XML_DECL_ENABLED,
XML_SERIALIZER_OPTION_XML_ENCODING,
XML_SERIALIZER_OPTION_DEFAULT_TAG,
XML_SERIALIZER_OPTION_CLASSNAME_AS_TAGNAME,
XML_SERIALIZER_OPTION_ATTRIBUTE_KEY,
XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE,
XML_SERIALIZER_OPTION_ATTRIBUTE_CLASS,
XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES,
XML_SERIALIZER_OPTION_PREPEND_ATTRIBUTES,
XML_SERIALIZER_OPTION_INDENT_ATTRIBUTES,
XML_SERIALIZER_OPTION_MODE,
XML_SERIALIZER_OPTION_DOCTYPE_ENABLED,
XML_SERIALIZER_OPTION_DOCTYPE,
XML_SERIALIZER_OPTION_ROOT_NAME,
XML_SERIALIZER_OPTION_ROOT_ATTRIBS,
XML_SERIALIZER_OPTION_ATTRIBUTES_KEY,
XML_SERIALIZER_OPTION_CONTENT_KEY,
XML_SERIALIZER_OPTION_COMMENT_KEY,
XML_SERIALIZER_OPTION_TAGMAP,
XML_SERIALIZER_OPTION_ENCODE_FUNC,
XML_SERIALIZER_OPTION_NAMESPACE,
XML_SERIALIZER_OPTION_ENTITIES,
XML_SERIALIZER_OPTION_RETURN_RESULT,
XML_SERIALIZER_OPTION_IGNORE_NULL,
XML_SERIALIZER_OPTION_CDATA_SECTIONS,
);
/**
* Default options for the serialization
*
* @access private
* @var array
*/
var $_defaultOptions = array(
// string used for indentation
XML_SERIALIZER_OPTION_INDENT => '',
// string used for newlines
XML_SERIALIZER_OPTION_LINEBREAKS => "\n",
// automatically add type hin attributes
XML_SERIALIZER_OPTION_TYPEHINTS => false,
// add an XML declaration
XML_SERIALIZER_OPTION_XML_DECL_ENABLED => false,
// encoding specified in the XML declaration
XML_SERIALIZER_OPTION_XML_ENCODING => null,
// tag used for indexed arrays or invalid names
XML_SERIALIZER_OPTION_DEFAULT_TAG => 'XML_Serializer_Tag',
// use classname for objects in indexed arrays
XML_SERIALIZER_OPTION_CLASSNAME_AS_TAGNAME => false,
// attribute where original key is stored
XML_SERIALIZER_OPTION_ATTRIBUTE_KEY => '_originalKey',
// attribute for type (only if typeHints => true)
XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE => '_type',
// attribute for class of objects (only if typeHints => true)
XML_SERIALIZER_OPTION_ATTRIBUTE_CLASS => '_class',
// scalar values (strings, ints,..) will be serialized as attribute
XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES => false,
// prepend string for attributes
XML_SERIALIZER_OPTION_PREPEND_ATTRIBUTES => '',
// indent the attributes, if set to '_auto',
// it will indent attributes so they all start at the same column
XML_SERIALIZER_OPTION_INDENT_ATTRIBUTES => false,
// use XML_SERIALIZER_MODE_SIMPLEXML to use parent name as tagname
// if transforming an indexed array
XML_SERIALIZER_OPTION_MODE => XML_SERIALIZER_MODE_DEFAULT,
// add a doctype declaration
XML_SERIALIZER_OPTION_DOCTYPE_ENABLED => false,
// supply a string or an array with id and uri
// ({@see XML_Util::getDoctypeDeclaration()}
XML_SERIALIZER_OPTION_DOCTYPE => null,
// name of the root tag
XML_SERIALIZER_OPTION_ROOT_NAME => null,
// attributes of the root tag
XML_SERIALIZER_OPTION_ROOT_ATTRIBS => array(),
// all values in this key will be treated as attributes
XML_SERIALIZER_OPTION_ATTRIBUTES_KEY => null,
// this value will be used directly as content,
// instead of creating a new tag, may only be used
// in conjuction with attributesArray
XML_SERIALIZER_OPTION_CONTENT_KEY => null,
// this value will be used directly as comment,
// instead of creating a new tag, may only be used
// in conjuction with attributesArray
XML_SERIALIZER_OPTION_COMMENT_KEY => null,
// tag names that will be changed
XML_SERIALIZER_OPTION_TAGMAP => array(),
// function that will be applied before serializing
XML_SERIALIZER_OPTION_ENCODE_FUNC => null,
// namespace to use
XML_SERIALIZER_OPTION_NAMESPACE => null,
// type of entities to replace,
XML_SERIALIZER_OPTION_ENTITIES => XML_SERIALIZER_ENTITIES_XML,
// serialize() returns the result of the serialization instead of true
XML_SERIALIZER_OPTION_RETURN_RESULT => false,
// ignore properties that are set to null
XML_SERIALIZER_OPTION_IGNORE_NULL => false,
// Whether to use cdata sections for plain character data
XML_SERIALIZER_OPTION_CDATA_SECTIONS => false,
// Whether to convert a boolean FALSE into a string
XML_SERIALIZER_OPTION_FALSE_AS_STRING => false,
);
/**
* Options for the serialization
*
* @access public
* @var array
*/
var $options = array();
/**
* Current tag depth
*
* @access private
* @var integer
*/
var $_tagDepth = 0;
/**
* Serialized representation of the data
*
* @access private
* @var string
*/
var $_serializedData = null;
/**
* Constructor
*
* @param mixed $options array containing options for the serialization
*
* @access public
*/
function __construct($options = null)
{
$this->PEAR();
if (is_array($options)) {
$this->options = array_merge($this->_defaultOptions, $options);
} else {
$this->options = $this->_defaultOptions;
}
}
/**
* PHP4 constructor for backwards compatibility with older code
*
* @param mixed $options array containing options for the serialization
*/
function XML_Serializer($options = null)
{
self::__construct($options);
}
/**
* Return the package version number
*
* @access public
* @static
* @return string the version number of XML_Serializer
*/
function apiVersion()
{
return '@package_version@';
}
/**
* Reset all options to default options
*
* @return void
* @access public
*/
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.
*
* @param string $name option name
* @param mixed $value option value
*
* @return void
* @access public
*/
function setOption($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.
*
* @param array $options options array
*
* @return void
* @access public
*/
function setOptions($options)
{
$this->options = array_merge($this->options, $options);
}
/**
* serialize data
*
* @param mixed $data data to serialize
* @param array $options options array
*
* @return boolean true on success, pear error on failure
* @access public
* @uses XML_Util::getDoctypeDeclaration()
* @uses XML_Util::getXMLDeclaration()
* @internal uses error suppression "@settype()"
*/
function serialize($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;
$rootAttributes = $this->options[XML_SERIALIZER_OPTION_ROOT_ATTRIBS];
if (isset($this->options[XML_SERIALIZER_OPTION_NAMESPACE])
&& is_array($this->options[XML_SERIALIZER_OPTION_NAMESPACE])
) {
$rootAttributes['xmlns:'
. $this->options[XML_SERIALIZER_OPTION_NAMESPACE][0]] =
$this->options[XML_SERIALIZER_OPTION_NAMESPACE][1];
}
$this->_serializedData = '';
// serialize an array
if (is_array($data)) {
if (isset($this->options[XML_SERIALIZER_OPTION_ROOT_NAME])) {
$tagName = $this->options[XML_SERIALIZER_OPTION_ROOT_NAME];
} else {
$tagName = 'array';
}
$this->_serializedData .=
$this->_serializeArray($data, $tagName, $rootAttributes);
} elseif (is_object($data)) {
// serialize an object
if (isset($this->options[XML_SERIALIZER_OPTION_ROOT_NAME])) {
$tagName = $this->options[XML_SERIALIZER_OPTION_ROOT_NAME];
} else {
$tagName = get_class($data);
}
$this->_serializedData .=
$this->_serializeObject($data, $tagName, $rootAttributes);
} else {
$tag = array();
if (isset($this->options[XML_SERIALIZER_OPTION_ROOT_NAME])) {
$tag['qname'] = $this->options[XML_SERIALIZER_OPTION_ROOT_NAME];
} else {
$tag['qname'] = gettype($data);
}
$tagName = $tag['qname'];
if ($this->options[XML_SERIALIZER_OPTION_TYPEHINTS] === true) {
$rootAttributes[$this->
options[XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE]] = gettype($data);
}
if (!is_bool($data)) {
$tag['content'] = $data;
} elseif ($data === false) {
if ($this->options[XML_SERIALIZER_OPTION_FALSE_AS_STRING] === true) {
$tag['content'] = '0';
} else {
$tag['content'] = '';
}
} else {
$tag['content'] = $data;
}
@settype($data, 'string');
$tag['attributes'] = $rootAttributes;
$this->_serializedData = $this->_createXMLTag($tag);
}
// add doctype declaration
if ($this->options[XML_SERIALIZER_OPTION_DOCTYPE_ENABLED] === true) {
$this->_serializedData =
XML_Util::getDoctypeDeclaration($tagName,
$this->options[XML_SERIALIZER_OPTION_DOCTYPE])
. $this->options[XML_SERIALIZER_OPTION_LINEBREAKS]
. $this->_serializedData;
}
// build xml declaration
if ($this->options[XML_SERIALIZER_OPTION_XML_DECL_ENABLED]) {
$atts = array();
$this->_serializedData = XML_Util::getXMLDeclaration('1.0',
$this->options[XML_SERIALIZER_OPTION_XML_ENCODING])
. $this->options[XML_SERIALIZER_OPTION_LINEBREAKS]
. $this->_serializedData;
}
if ($this->options[XML_SERIALIZER_OPTION_RETURN_RESULT] === true) {
$result = $this->_serializedData;
} else {
$result = true;
}
if ($optionsBak !== null) {
$this->options = $optionsBak;
}
return $result;
}
/**
* get the result of the serialization
*
* @access public
* @return string serialized XML
*/
function getSerializedData()
{
if ($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
*
* @param mixed $value tag value
* @param string $tagName tag name
* @param array $attributes attributes
*
* @return string
* @access private
*/
function _serializeValue($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 $xml;
}
/**
* serialize an array
*
* @param array &$array array to serialize
* @param string $tagName name of the root tag
* @param array $attributes attributes for the root tag
*
* @return string $string serialized data
* @access private
* @uses XML_Util::isValidName() to check, whether key has to be substituted
* @uses XML_Util::replaceEntities()
* @uses XML_Util::createComment()
* @uses PEAR::popExpect()
* @uses PEAR::expectError()
*/
function _serializeArray(&$array, $tagName = null, $attributes = array())
{
$_content = null;
$_comment = null;
// check for comment
if ($this->options[XML_SERIALIZER_OPTION_COMMENT_KEY] !== null) {
if (isset($array[$this->options[XML_SERIALIZER_OPTION_COMMENT_KEY]])
) {
$_comment =
$array[$this->options[XML_SERIALIZER_OPTION_COMMENT_KEY]];
unset($array[$this->options[XML_SERIALIZER_OPTION_COMMENT_KEY]]);
}
}
/**
* check for special attributes
*/
if ($this->options[XML_SERIALIZER_OPTION_ATTRIBUTES_KEY] !== null) {
if (isset($array[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTES_KEY]])
) {
$attributes =
$array[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTES_KEY]];
unset($array[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTES_KEY]]);
}
/**
* check for special content
*/
if ($this->options[XML_SERIALIZER_OPTION_CONTENT_KEY] !== null) {
if (isset($array[$this->options[XML_SERIALIZER_OPTION_CONTENT_KEY]])
) {
$_content =
XML_Util::replaceEntities($array
[$this->options[XML_SERIALIZER_OPTION_CONTENT_KEY]]);
unset($array[$this->options[XML_SERIALIZER_OPTION_CONTENT_KEY]]);
}
}
}
if ($this->options[XML_SERIALIZER_OPTION_IGNORE_NULL] === true) {
foreach (array_keys($array) as $key) {
if (is_null($array[$key])) {
unset($array[$key]);
}
}
}
/*
* if mode is set to simpleXML, check whether
* the array is associative or indexed
*/
if (is_array($array) && !empty($array)
&& $this->options[XML_SERIALIZER_OPTION_MODE]
== XML_SERIALIZER_MODE_SIMPLEXML
) {
$indexed = true;
foreach ($array as $key => $val) {
if (!is_int($key)) {
$indexed = false;
break;
}
}
if ($indexed
&& $this->options[XML_SERIALIZER_OPTION_MODE]
== XML_SERIALIZER_MODE_SIMPLEXML
) {
$string = '';
foreach ($array as $key => $val) {
$string .= $this->_serializeValue($val, $tagName, $attributes);
$string .= $this->options[XML_SERIALIZER_OPTION_LINEBREAKS];
// do indentation
if ($this->options[XML_SERIALIZER_OPTION_INDENT]!==null
&& $this->_tagDepth>0
) {
$string .=
str_repeat($this->options[XML_SERIALIZER_OPTION_INDENT],
$this->_tagDepth);
}
}
return rtrim($string);
}
}
$scalarAsAttributes = false;
if (is_array($this->options[XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES])
&& isset($this->options[XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES]
[$tagName])
) {
$scalarAsAttributes =
$this->options[XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES][$tagName];
} elseif ($this->options[XML_SERIALIZER_OPTION_SCALAR_AS_ATTRIBUTES] === true
) {
$scalarAsAttributes = true;
}
if ($scalarAsAttributes === true) {
$this->expectError('*');
foreach ($array as $key => $value) {
if (is_scalar($value) && (XML_Util::isValidName($key) === true)) {
unset($array[$key]);
$attributes[$this->options
[XML_SERIALIZER_OPTION_PREPEND_ATTRIBUTES].$key] = $value;
}
}
$this->popExpect();
} elseif (is_array($scalarAsAttributes)) {
$this->expectError('*');
foreach ($scalarAsAttributes as $key) {
if (!isset($array[$key])) {
continue;
}
$value = $array[$key];
if (is_scalar($value) && (XML_Util::isValidName($key) === true)) {
unset($array[$key]);
$attributes[$this->options
[XML_SERIALIZER_OPTION_PREPEND_ATTRIBUTES].$key] = $value;
}
}
$this->popExpect();
}
// check for empty array => create empty tag
if (empty($array)) {
$tag = array(
'qname' => $tagName,
'content' => $_content,
'attributes' => $attributes
);
} else {
$this->_tagDepth++;
$tmp = $_content . $this->options[XML_SERIALIZER_OPTION_LINEBREAKS];
foreach ($array as $key => $value) {
// do indentation
if ($this->options[XML_SERIALIZER_OPTION_INDENT]!==null
&& $this->_tagDepth>0
) {
$tmp .= str_repeat($this->options[XML_SERIALIZER_OPTION_INDENT],
$this->_tagDepth);
}
// copy key
$origKey = $key;
$this->expectError('*');
// key cannot be used as tagname => use default tag
$valid = XML_Util::isValidName($key);
$this->popExpect();
if (PEAR::isError($valid)) {
if ($this->options[XML_SERIALIZER_OPTION_CLASSNAME_AS_TAGNAME]
&& is_object($value)
) {
$key = get_class($value);
} else {
$key = $this->_getDefaultTagname($tagName);
}
}
// once we've established the true $key, is there a tagmap for it?
if (isset($this->options[XML_SERIALIZER_OPTION_TAGMAP][$key])) {
$key = $this->options[XML_SERIALIZER_OPTION_TAGMAP][$key];
}
$atts = array();
if ($this->options[XML_SERIALIZER_OPTION_TYPEHINTS] === true) {
$atts[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE]] =
gettype($value);
if ($key !== $origKey) {
$atts[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTE_KEY]] =
(string)$origKey;
}
}
$tmp .= $this->_createXMLTag(array(
'qname' => $key,
'attributes' => $atts,
'content' => $value
));
$tmp .= $this->options[XML_SERIALIZER_OPTION_LINEBREAKS];
}
$this->_tagDepth--;
if ($this->options[XML_SERIALIZER_OPTION_INDENT]!==null
&& $this->_tagDepth>0
) {
$tmp .= str_repeat($this->options[XML_SERIALIZER_OPTION_INDENT],
$this->_tagDepth);
}
if (trim($tmp) === '') {
$tmp = null;
}
$tag = array(
'qname' => $tagName,
'content' => $tmp,
'attributes' => $attributes
);
}
if ($this->options[XML_SERIALIZER_OPTION_TYPEHINTS] === true) {
if (!isset($tag['attributes']
[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE]])
) {
$tag['attributes']
[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE]] = 'array';
}
}
$string = '';
if (!is_null($_comment)) {
$string .= XML_Util::createComment($_comment);
$string .= $this->options[XML_SERIALIZER_OPTION_LINEBREAKS];
if ($this->options[XML_SERIALIZER_OPTION_INDENT]!==null
&& $this->_tagDepth>0
) {
$string .= str_repeat($this->options[XML_SERIALIZER_OPTION_INDENT],
$this->_tagDepth);
}
}
$string .= $this->_createXMLTag($tag, false);
return $string;
}
/**
* get the name of the default tag.
*
* The name of the parent tag needs to be passed as the
* default name can depend on the context.
*
* @param string $parent name of the parent tag
*
* @return string default tag name
*/
function _getDefaultTagname($parent)
{
if (is_string($this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG])) {
return $this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG];
}
if (isset($this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG][$parent])) {
return $this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG][$parent];
} elseif (isset($this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG]
['#default'])
) {
return $this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG]['#default'];
} elseif (isset($this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG]
['__default'])
) {
// keep this for BC
return $this->options[XML_SERIALIZER_OPTION_DEFAULT_TAG]['__default'];
}
return 'XML_Serializer_Tag';
}
/**
* serialize an object
*
* @param object &$object object to serialize
* @param string $tagName tag name
* @param array $attributes attributes
*
* @return string $string serialized data
* @access private
*/
function _serializeObject(&$object, $tagName = null, $attributes = array())
{
// check for magic function
if (method_exists($object, '__sleep')) {
$propNames = $object->__sleep();
if (is_array($propNames)) {
$properties = array();
foreach ($propNames as $propName) {
$properties[$propName] = $object->$propName;
}
} else {
$properties = get_object_vars($object);
}
} else {
$properties = get_object_vars($object);
}
if (empty($tagName)) {
$tagName = get_class($object);
}
// typehints activated?
if ($this->options[XML_SERIALIZER_OPTION_TYPEHINTS] === true) {
$attributes[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTE_TYPE]] =
'object';
$attributes[$this->options[XML_SERIALIZER_OPTION_ATTRIBUTE_CLASS]] =
get_class($object);
}
$string = $this->_serializeArray($properties, $tagName, $attributes);
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
* )
*
* @param array $tag tag definition
* @param boolean $firstCall whether or not this is the first call
*
* @return string $string XML tag
* @access private
*/
function _createXMLTag($tag, $firstCall = true)
{
// build fully qualified tag name
if ($this->options[XML_SERIALIZER_OPTION_NAMESPACE] !== null) {
if (is_array($this->options[XML_SERIALIZER_OPTION_NAMESPACE])) {
$tag['qname'] = $this->options[XML_SERIALIZER_OPTION_NAMESPACE][0]
. ':' . $tag['qname'];
} else {
$tag['qname'] = $this->options[XML_SERIALIZER_OPTION_NAMESPACE]
. ':' . $tag['qname'];
}
}
// attribute indentation
if ($this->options[XML_SERIALIZER_OPTION_INDENT_ATTRIBUTES] !== false) {
$multiline = true;
$indent = str_repeat($this->options[XML_SERIALIZER_OPTION_INDENT],
$this->_tagDepth);
if ($this->options[XML_SERIALIZER_OPTION_INDENT_ATTRIBUTES] == '_auto') {
$indent .= str_repeat(' ', (strlen($tag['qname'])+2));
} else {
$indent .= $this->options[XML_SERIALIZER_OPTION_INDENT_ATTRIBUTES];
}
} else {
$multiline = false;
$indent = false;
}
if (is_array($tag['content'])) {
if (empty($tag['content'])) {
$tag['content'] = '';
}
} elseif (XML_SERIALIZER_OPTION_FALSE_AS_STRING && $tag['content'] === false) {
$tag['content'] = '0';
} elseif (is_scalar($tag['content']) && (string)$tag['content'] == '') {
$tag['content'] = '';
}
// replace XML entities
if ($firstCall === true) {
if ($this->options[XML_SERIALIZER_OPTION_CDATA_SECTIONS] === true) {
$replaceEntities = XML_UTIL_CDATA_SECTION;
} else {
$replaceEntities = $this->options[XML_SERIALIZER_OPTION_ENTITIES];
}
} else {
// this is a nested call, so value is already encoded
// and must not be encoded again
$replaceEntities = XML_SERIALIZER_ENTITIES_NONE;
}
if (is_scalar($tag['content']) || is_null($tag['content'])) {
if ($this->options[XML_SERIALIZER_OPTION_ENCODE_FUNC]) {
if ($firstCall === true) {
$tag['content'] = call_user_func($this->
options[XML_SERIALIZER_OPTION_ENCODE_FUNC], $tag['content']);
}
$tag['attributes'] = array_map($this->
options[XML_SERIALIZER_OPTION_ENCODE_FUNC], $tag['attributes']);
}
$tag = XML_Util::createTagFromArray($tag, $replaceEntities, $multiline,
$indent, $this->options[XML_SERIALIZER_OPTION_LINEBREAKS]);
} elseif (is_array($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($tag['content'], 'string');
if ($this->options[XML_SERIALIZER_OPTION_ENCODE_FUNC]) {
if ($replaceEntities === true) {
$tag['content'] = call_user_func($this->
options[XML_SERIALIZER_OPTION_ENCODE_FUNC], $tag['content']);
}
$tag['attributes'] = array_map($this->
options[XML_SERIALIZER_OPTION_ENCODE_FUNC],
$tag['attributes']);
}
$tag = XML_Util::createTagFromArray($tag, $replaceEntities);
}
return $tag;
}
}
?>
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