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0,0 → 1,247 |
<?php |
/** |
* PEAR_XMLParser |
* |
* PHP versions 4 and 5 |
* |
* @category pear |
* @package PEAR |
* @author Greg Beaver <cellog@php.net> |
* @author Stephan Schmidt (original XML_Unserializer code) |
* @copyright 1997-2009 The Authors |
* @license http://opensource.org/licenses/bsd-license New BSD License |
* @link http://pear.php.net/package/PEAR |
* @since File available since Release 1.4.0a1 |
*/ |
|
/** |
* Parser for any xml file |
* @category pear |
* @package PEAR |
* @author Greg Beaver <cellog@php.net> |
* @author Stephan Schmidt (original XML_Unserializer code) |
* @copyright 1997-2009 The Authors |
* @license http://opensource.org/licenses/bsd-license 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_XMLParser |
{ |
/** |
* unserilialized data |
* @var string $_serializedData |
*/ |
var $_unserializedData = null; |
|
/** |
* name of the root tag |
* @var string $_root |
*/ |
var $_root = null; |
|
/** |
* stack for all data that is found |
* @var array $_dataStack |
*/ |
var $_dataStack = array(); |
|
/** |
* stack for all values that are generated |
* @var array $_valStack |
*/ |
var $_valStack = array(); |
|
/** |
* current tag depth |
* @var int $_depth |
*/ |
var $_depth = 0; |
|
/** |
* The XML encoding to use |
* @var string $encoding |
*/ |
var $encoding = 'ISO-8859-1'; |
|
/** |
* @return array |
*/ |
function getData() |
{ |
return $this->_unserializedData; |
} |
|
/** |
* @param string xml content |
* @return true|PEAR_Error |
*/ |
function parse($data) |
{ |
if (!extension_loaded('xml')) { |
include_once 'PEAR.php'; |
return PEAR::raiseError("XML Extension not found", 1); |
} |
$this->_dataStack = $this->_valStack = array(); |
$this->_depth = 0; |
|
if ( |
strpos($data, 'encoding="UTF-8"') |
|| strpos($data, 'encoding="utf-8"') |
|| strpos($data, "encoding='UTF-8'") |
|| strpos($data, "encoding='utf-8'") |
) { |
$this->encoding = 'UTF-8'; |
} |
|
$xp = xml_parser_create($this->encoding); |
xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0); |
xml_set_object($xp, $this); |
xml_set_element_handler($xp, 'startHandler', 'endHandler'); |
xml_set_character_data_handler($xp, 'cdataHandler'); |
if (!xml_parse($xp, $data)) { |
$msg = xml_error_string(xml_get_error_code($xp)); |
$line = xml_get_current_line_number($xp); |
xml_parser_free($xp); |
include_once 'PEAR.php'; |
return PEAR::raiseError("XML Error: '$msg' on line '$line'", 2); |
} |
xml_parser_free($xp); |
return true; |
} |
|
/** |
* Start element handler for XML parser |
* |
* @access private |
* @param object $parser XML parser object |
* @param string $element XML element |
* @param array $attribs attributes of XML tag |
* @return void |
*/ |
function startHandler($parser, $element, $attribs) |
{ |
$this->_depth++; |
$this->_dataStack[$this->_depth] = null; |
|
$val = array( |
'name' => $element, |
'value' => null, |
'type' => 'string', |
'childrenKeys' => array(), |
'aggregKeys' => array() |
); |
|
if (count($attribs) > 0) { |
$val['children'] = array(); |
$val['type'] = 'array'; |
$val['children']['attribs'] = $attribs; |
} |
|
array_push($this->_valStack, $val); |
} |
|
/** |
* post-process data |
* |
* @param string $data |
* @param string $element element name |
*/ |
function postProcess($data, $element) |
{ |
return trim($data); |
} |
|
/** |
* End element handler for XML parser |
* |
* @access private |
* @param object XML parser object |
* @param string |
* @return void |
*/ |
function endHandler($parser, $element) |
{ |
$value = array_pop($this->_valStack); |
$data = $this->postProcess($this->_dataStack[$this->_depth], $element); |
|
// adjust type of the value |
switch (strtolower($value['type'])) { |
// unserialize an array |
case 'array': |
if ($data !== '') { |
$value['children']['_content'] = $data; |
} |
|
$value['value'] = isset($value['children']) ? $value['children'] : array(); |
break; |
|
/* |
* unserialize a null value |
*/ |
case 'null': |
$data = null; |
break; |
|
/* |
* unserialize any scalar value |
*/ |
default: |
settype($data, $value['type']); |
$value['value'] = $data; |
break; |
} |
|
$parent = array_pop($this->_valStack); |
if ($parent === null) { |
$this->_unserializedData = &$value['value']; |
$this->_root = &$value['name']; |
return true; |
} |
|
// parent has to be an array |
if (!isset($parent['children']) || !is_array($parent['children'])) { |
$parent['children'] = array(); |
if ($parent['type'] != 'array') { |
$parent['type'] = 'array'; |
} |
} |
|
if (!empty($value['name'])) { |
// there already has been a tag with this name |
if (in_array($value['name'], $parent['childrenKeys'])) { |
// no aggregate has been created for this tag |
if (!in_array($value['name'], $parent['aggregKeys'])) { |
if (isset($parent['children'][$value['name']])) { |
$parent['children'][$value['name']] = array($parent['children'][$value['name']]); |
} else { |
$parent['children'][$value['name']] = array(); |
} |
array_push($parent['aggregKeys'], $value['name']); |
} |
array_push($parent['children'][$value['name']], $value['value']); |
} else { |
$parent['children'][$value['name']] = &$value['value']; |
array_push($parent['childrenKeys'], $value['name']); |
} |
} else { |
array_push($parent['children'],$value['value']); |
} |
array_push($this->_valStack, $parent); |
|
$this->_depth--; |
} |
|
/** |
* Handler for character data |
* |
* @access private |
* @param object XML parser object |
* @param string CDATA |
* @return void |
*/ |
function cdataHandler($parser, $cdata) |
{ |
$this->_dataStack[$this->_depth] .= $cdata; |
} |
} |