[5146] | 1 | <?php |
---|
| 2 | /** |
---|
| 3 | * PEAR_XMLParser |
---|
| 4 | * |
---|
| 5 | * PHP versions 4 and 5 |
---|
| 6 | * |
---|
| 7 | * @category pear |
---|
| 8 | * @package PEAR |
---|
| 9 | * @author Greg Beaver <cellog@php.net> |
---|
| 10 | * @author Stephan Schmidt (original XML_Unserializer code) |
---|
| 11 | * @copyright 1997-2009 The Authors |
---|
| 12 | * @license http://opensource.org/licenses/bsd-license New BSD License |
---|
| 13 | * @version CVS: $Id: XMLParser.php 313023 2011-07-06 19:17:11Z dufuz $ |
---|
| 14 | * @link http://pear.php.net/package/PEAR |
---|
| 15 | * @since File available since Release 1.4.0a1 |
---|
| 16 | */ |
---|
| 17 | |
---|
| 18 | /** |
---|
| 19 | * Parser for any xml file |
---|
| 20 | * @category pear |
---|
| 21 | * @package PEAR |
---|
| 22 | * @author Greg Beaver <cellog@php.net> |
---|
| 23 | * @author Stephan Schmidt (original XML_Unserializer code) |
---|
| 24 | * @copyright 1997-2009 The Authors |
---|
| 25 | * @license http://opensource.org/licenses/bsd-license New BSD License |
---|
| 26 | * @version Release: 1.9.4 |
---|
| 27 | * @link http://pear.php.net/package/PEAR |
---|
| 28 | * @since Class available since Release 1.4.0a1 |
---|
| 29 | */ |
---|
| 30 | class PEAR_XMLParser |
---|
| 31 | { |
---|
| 32 | /** |
---|
| 33 | * unserilialized data |
---|
| 34 | * @var string $_serializedData |
---|
| 35 | */ |
---|
| 36 | var $_unserializedData = null; |
---|
| 37 | |
---|
| 38 | /** |
---|
| 39 | * name of the root tag |
---|
| 40 | * @var string $_root |
---|
| 41 | */ |
---|
| 42 | var $_root = null; |
---|
| 43 | |
---|
| 44 | /** |
---|
| 45 | * stack for all data that is found |
---|
| 46 | * @var array $_dataStack |
---|
| 47 | */ |
---|
| 48 | var $_dataStack = array(); |
---|
| 49 | |
---|
| 50 | /** |
---|
| 51 | * stack for all values that are generated |
---|
| 52 | * @var array $_valStack |
---|
| 53 | */ |
---|
| 54 | var $_valStack = array(); |
---|
| 55 | |
---|
| 56 | /** |
---|
| 57 | * current tag depth |
---|
| 58 | * @var int $_depth |
---|
| 59 | */ |
---|
| 60 | var $_depth = 0; |
---|
| 61 | |
---|
| 62 | /** |
---|
| 63 | * The XML encoding to use |
---|
| 64 | * @var string $encoding |
---|
| 65 | */ |
---|
| 66 | var $encoding = 'ISO-8859-1'; |
---|
| 67 | |
---|
| 68 | /** |
---|
| 69 | * @return array |
---|
| 70 | */ |
---|
| 71 | function getData() |
---|
| 72 | { |
---|
| 73 | return $this->_unserializedData; |
---|
| 74 | } |
---|
| 75 | |
---|
| 76 | /** |
---|
| 77 | * @param string xml content |
---|
| 78 | * @return true|PEAR_Error |
---|
| 79 | */ |
---|
| 80 | function parse($data) |
---|
| 81 | { |
---|
| 82 | if (!extension_loaded('xml')) { |
---|
| 83 | include_once 'PEAR.php'; |
---|
| 84 | return PEAR::raiseError("XML Extension not found", 1); |
---|
| 85 | } |
---|
| 86 | $this->_dataStack = $this->_valStack = array(); |
---|
| 87 | $this->_depth = 0; |
---|
| 88 | |
---|
| 89 | if ( |
---|
| 90 | strpos($data, 'encoding="UTF-8"') |
---|
| 91 | || strpos($data, 'encoding="utf-8"') |
---|
| 92 | || strpos($data, "encoding='UTF-8'") |
---|
| 93 | || strpos($data, "encoding='utf-8'") |
---|
| 94 | ) { |
---|
| 95 | $this->encoding = 'UTF-8'; |
---|
| 96 | } |
---|
| 97 | |
---|
| 98 | if (version_compare(phpversion(), '5.0.0', 'lt') && $this->encoding == 'UTF-8') { |
---|
| 99 | $data = utf8_decode($data); |
---|
| 100 | $this->encoding = 'ISO-8859-1'; |
---|
| 101 | } |
---|
| 102 | |
---|
| 103 | $xp = xml_parser_create($this->encoding); |
---|
| 104 | xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0); |
---|
| 105 | xml_set_object($xp, $this); |
---|
| 106 | xml_set_element_handler($xp, 'startHandler', 'endHandler'); |
---|
| 107 | xml_set_character_data_handler($xp, 'cdataHandler'); |
---|
| 108 | if (!xml_parse($xp, $data)) { |
---|
| 109 | $msg = xml_error_string(xml_get_error_code($xp)); |
---|
| 110 | $line = xml_get_current_line_number($xp); |
---|
| 111 | xml_parser_free($xp); |
---|
| 112 | include_once 'PEAR.php'; |
---|
| 113 | return PEAR::raiseError("XML Error: '$msg' on line '$line'", 2); |
---|
| 114 | } |
---|
| 115 | xml_parser_free($xp); |
---|
| 116 | return true; |
---|
| 117 | } |
---|
| 118 | |
---|
| 119 | /** |
---|
| 120 | * Start element handler for XML parser |
---|
| 121 | * |
---|
| 122 | * @access private |
---|
| 123 | * @param object $parser XML parser object |
---|
| 124 | * @param string $element XML element |
---|
| 125 | * @param array $attribs attributes of XML tag |
---|
| 126 | * @return void |
---|
| 127 | */ |
---|
| 128 | function startHandler($parser, $element, $attribs) |
---|
| 129 | { |
---|
| 130 | $this->_depth++; |
---|
| 131 | $this->_dataStack[$this->_depth] = null; |
---|
| 132 | |
---|
| 133 | $val = array( |
---|
| 134 | 'name' => $element, |
---|
| 135 | 'value' => null, |
---|
| 136 | 'type' => 'string', |
---|
| 137 | 'childrenKeys' => array(), |
---|
| 138 | 'aggregKeys' => array() |
---|
| 139 | ); |
---|
| 140 | |
---|
| 141 | if (count($attribs) > 0) { |
---|
| 142 | $val['children'] = array(); |
---|
| 143 | $val['type'] = 'array'; |
---|
| 144 | $val['children']['attribs'] = $attribs; |
---|
| 145 | } |
---|
| 146 | |
---|
| 147 | array_push($this->_valStack, $val); |
---|
| 148 | } |
---|
| 149 | |
---|
| 150 | /** |
---|
| 151 | * post-process data |
---|
| 152 | * |
---|
| 153 | * @param string $data |
---|
| 154 | * @param string $element element name |
---|
| 155 | */ |
---|
| 156 | function postProcess($data, $element) |
---|
| 157 | { |
---|
| 158 | return trim($data); |
---|
| 159 | } |
---|
| 160 | |
---|
| 161 | /** |
---|
| 162 | * End element handler for XML parser |
---|
| 163 | * |
---|
| 164 | * @access private |
---|
| 165 | * @param object XML parser object |
---|
| 166 | * @param string |
---|
| 167 | * @return void |
---|
| 168 | */ |
---|
| 169 | function endHandler($parser, $element) |
---|
| 170 | { |
---|
| 171 | $value = array_pop($this->_valStack); |
---|
| 172 | $data = $this->postProcess($this->_dataStack[$this->_depth], $element); |
---|
| 173 | |
---|
| 174 | // adjust type of the value |
---|
| 175 | switch (strtolower($value['type'])) { |
---|
| 176 | // unserialize an array |
---|
| 177 | case 'array': |
---|
| 178 | if ($data !== '') { |
---|
| 179 | $value['children']['_content'] = $data; |
---|
| 180 | } |
---|
| 181 | |
---|
| 182 | $value['value'] = isset($value['children']) ? $value['children'] : array(); |
---|
| 183 | break; |
---|
| 184 | |
---|
| 185 | /* |
---|
| 186 | * unserialize a null value |
---|
| 187 | */ |
---|
| 188 | case 'null': |
---|
| 189 | $data = null; |
---|
| 190 | break; |
---|
| 191 | |
---|
| 192 | /* |
---|
| 193 | * unserialize any scalar value |
---|
| 194 | */ |
---|
| 195 | default: |
---|
| 196 | settype($data, $value['type']); |
---|
| 197 | $value['value'] = $data; |
---|
| 198 | break; |
---|
| 199 | } |
---|
| 200 | |
---|
| 201 | $parent = array_pop($this->_valStack); |
---|
| 202 | if ($parent === null) { |
---|
| 203 | $this->_unserializedData = &$value['value']; |
---|
| 204 | $this->_root = &$value['name']; |
---|
| 205 | return true; |
---|
| 206 | } |
---|
| 207 | |
---|
| 208 | // parent has to be an array |
---|
| 209 | if (!isset($parent['children']) || !is_array($parent['children'])) { |
---|
| 210 | $parent['children'] = array(); |
---|
| 211 | if ($parent['type'] != 'array') { |
---|
| 212 | $parent['type'] = 'array'; |
---|
| 213 | } |
---|
| 214 | } |
---|
| 215 | |
---|
| 216 | if (!empty($value['name'])) { |
---|
| 217 | // there already has been a tag with this name |
---|
| 218 | if (in_array($value['name'], $parent['childrenKeys'])) { |
---|
| 219 | // no aggregate has been created for this tag |
---|
| 220 | if (!in_array($value['name'], $parent['aggregKeys'])) { |
---|
| 221 | if (isset($parent['children'][$value['name']])) { |
---|
| 222 | $parent['children'][$value['name']] = array($parent['children'][$value['name']]); |
---|
| 223 | } else { |
---|
| 224 | $parent['children'][$value['name']] = array(); |
---|
| 225 | } |
---|
| 226 | array_push($parent['aggregKeys'], $value['name']); |
---|
| 227 | } |
---|
| 228 | array_push($parent['children'][$value['name']], $value['value']); |
---|
| 229 | } else { |
---|
| 230 | $parent['children'][$value['name']] = &$value['value']; |
---|
| 231 | array_push($parent['childrenKeys'], $value['name']); |
---|
| 232 | } |
---|
| 233 | } else { |
---|
| 234 | array_push($parent['children'],$value['value']); |
---|
| 235 | } |
---|
| 236 | array_push($this->_valStack, $parent); |
---|
| 237 | |
---|
| 238 | $this->_depth--; |
---|
| 239 | } |
---|
| 240 | |
---|
| 241 | /** |
---|
| 242 | * Handler for character data |
---|
| 243 | * |
---|
| 244 | * @access private |
---|
| 245 | * @param object XML parser object |
---|
| 246 | * @param string CDATA |
---|
| 247 | * @return void |
---|
| 248 | */ |
---|
| 249 | function cdataHandler($parser, $cdata) |
---|
| 250 | { |
---|
| 251 | $this->_dataStack[$this->_depth] .= $cdata; |
---|
| 252 | } |
---|
| 253 | } |
---|