1<?php 2/** 3 * modified XML Element 4 * 5 * PHP version 5 6 * 7 * @category PHP 8 * @package PSI_XML 9 * @author Michael Cramer <BigMichi1@users.sourceforge.net> 10 * @copyright 2009 phpSysInfo 11 * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License version 2, or (at your option) any later version 12 * @version SVN: $Id: class.SimpleXMLExtended.inc.php 610 2012-07-11 19:12:12Z namiltd $ 13 * @link http://phpsysinfo.sourceforge.net 14 */ 15 /** 16 * class extends the SimpleXML element for including some special functions, like encoding stuff and cdata support 17 * 18 * @category PHP 19 * @package PSI_XML 20 * @author Michael Cramer <BigMichi1@users.sourceforge.net> 21 * @copyright 2009 phpSysInfo 22 * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License version 2, or (at your option) any later version 23 * @version Release: 3.0 24 * @link http://phpsysinfo.sourceforge.net 25 */ 26class SimpleXMLExtended 27{ 28 /** 29 * store the encoding that is used for conversation to utf8 30 * 31 * @var String base encoding 32 */ 33 private $_encoding = null; 34 35 /** 36 * SimpleXMLElement to which every call is delegated 37 * 38 * @var SimpleXMLElement delegated SimpleXMLElement 39 */ 40 private $_SimpleXmlElement = null; 41 42 /** 43 * _CP437toUTF8Table for code page conversion for CP437 44 * 45 * @var array _CP437toUTF8Table array 46 */ 47 private static $_CP437toUTF8Table = array( 48 "\xC3\x87","\xC3\xBC","\xC3\xA9","\xC3\xA2", 49 "\xC3\xA4","\xC3\xA0","\xC3\xA5","\xC3\xA7", 50 "\xC3\xAA","\xC3\xAB","\xC3\xA8","\xC3\xAF", 51 "\xC3\xAE","\xC3\xAC","\xC3\x84","\xC3\x85", 52 "\xC3\x89","\xC3\xA6","\xC3\x86","\xC3\xB4", 53 "\xC3\xB6","\xC3\xB2","\xC3\xBB","\xC3\xB9", 54 "\xC3\xBF","\xC3\x96","\xC3\x9C","\xC3\xA2", 55 "\xC2\xA3","\xC3\xA5","\xE2\x82\xA7","\xC6\x92", 56 "\xC3\xA1","\xC3\xAD","\xC3\xB3","\xC3\xBA", 57 "\xC3\xB1","\xC3\x91","\xC2\xAA","\xC2\xBA", 58 "\xC2\xBF","\xE2\x8C\x90","\xC2\xAC","\xC2\xBD", 59 "\xC2\xBC","\xC2\xA1","\xC2\xAB","\xC2\xBB", 60 "\xE2\x96\x91","\xE2\x96\x92","\xE2\x96\x93","\xE2\x94\x82", 61 "\xE2\x94\xA4","\xE2\x95\xA1","\xE2\x95\xA2","\xE2\x95\x96", 62 "\xE2\x95\x95","\xE2\x95\xA3","\xE2\x95\x91","\xE2\x95\x97", 63 "\xE2\x95\x9D","\xE2\x95\x9C","\xE2\x95\x9B","\xE2\x94\x90", 64 "\xE2\x94\x94","\xE2\x94\xB4","\xE2\x94\xAC","\xE2\x94\x9C", 65 "\xE2\x94\x80","\xE2\x94\xBC","\xE2\x95\x9E","\xE2\x95\x9F", 66 "\xE2\x95\x9A","\xE2\x95\x94","\xE2\x95\xA9","\xE2\x95\xA6", 67 "\xE2\x95\xA0","\xE2\x95\x90","\xE2\x95\xAC","\xE2\x95\xA7", 68 "\xE2\x95\xA8","\xE2\x95\xA4","\xE2\x95\xA5","\xE2\x95\x99", 69 "\xE2\x95\x98","\xE2\x95\x92","\xE2\x95\x93","\xE2\x95\xAB", 70 "\xE2\x95\xAA","\xE2\x94\x98","\xE2\x94\x8C","\xE2\x96\x88", 71 "\xE2\x96\x84","\xE2\x96\x8C","\xE2\x96\x90","\xE2\x96\x80", 72 "\xCE\xB1","\xC3\x9F","\xCE\x93","\xCF\x80", 73 "\xCE\xA3","\xCF\x83","\xC2\xB5","\xCF\x84", 74 "\xCE\xA6","\xCE\x98","\xCE\xA9","\xCE\xB4", 75 "\xE2\x88\x9E","\xCF\x86","\xCE\xB5","\xE2\x88\xA9", 76 "\xE2\x89\xA1","\xC2\xB1","\xE2\x89\xA5","\xE2\x89\xA4", 77 "\xE2\x8C\xA0","\xE2\x8C\xA1","\xC3\xB7","\xE2\x89\x88", 78 "\xC2\xB0","\xE2\x88\x99","\xC2\xB7","\xE2\x88\x9A", 79 "\xE2\x81\xBF","\xC2\xB2","\xE2\x96\xA0","\xC2\xA0"); 80 81 /** 82 * create a new extended SimpleXMLElement and set encoding if specified 83 * 84 * @param SimpleXMLElement $xml base xml element 85 * @param String $encoding base encoding that should be used for conversation to utf8 86 * 87 * @return void 88 */ 89 public function __construct($xml, $encoding = null) 90 { 91 if ($encoding != null) { 92 $this->_encoding = $encoding; 93 } 94 $this->_SimpleXmlElement = $xml; 95 } 96 97 /** 98 * insert a child element with or without a value, also doing conversation of name and if value is set to utf8 99 * 100 * @param String $name name of the child element 101 * @param String $value a value that should be insert to the child 102 * 103 * @return SimpleXMLExtended extended child SimpleXMLElement 104 */ 105 public function addChild($name, $value = null) 106 { 107 $nameUtf8 = $this->_toUTF8($name); 108 if ($value == null) { 109 return new SimpleXMLExtended($this->_SimpleXmlElement->addChild($nameUtf8), $this->_encoding); 110 } else { 111 $valueUtf8 = htmlspecialchars($this->_toUTF8($value), ENT_COMPAT, "UTF-8"); 112 113 return new SimpleXMLExtended($this->_SimpleXmlElement->addChild($nameUtf8, $valueUtf8), $this->_encoding); 114 } 115 } 116 117 /** 118 * insert a child with cdata section 119 * 120 * @param String $name name of the child element 121 * @param String $cdata data for CDATA section 122 * 123 * @return SimpleXMLExtended extended child SimpleXMLElement 124 */ 125 public function addCData($name, $cdata) 126 { 127 $nameUtf8 = $this->_toUTF8($name); 128 $node = $this->_SimpleXmlElement->addChild($nameUtf8); 129 $domnode = dom_import_simplexml($node); 130 $no = $domnode->ownerDocument; 131 $domnode->appendChild($no->createCDATASection($cdata)); 132 133 return new SimpleXMLExtended($node, $this->_encoding); 134 } 135 136 /** 137 * add a attribute to a child and convert name and value to utf8 138 * 139 * @param String $name name of the attribute 140 * @param String $value value of the attribute 141 * 142 * @return Void 143 */ 144 public function addAttribute($name, $value) 145 { 146 $nameUtf8 = $this->_toUTF8($name); 147 $valueUtf8 = htmlspecialchars($this->_toUTF8($value), ENT_COMPAT, "UTF-8"); 148 if (($valueUtf8 === "") && (version_compare("5.2.2", PHP_VERSION, ">"))) { 149 $this->_SimpleXmlElement->addAttribute($nameUtf8, "\0"); // Fixing bug #41175 (addAttribute() fails to add an attribute with an empty value) 150 } else { 151 $this->_SimpleXmlElement->addAttribute($nameUtf8, $valueUtf8); 152 } 153 } 154 155 /** 156 * append a xml-tree to another xml-tree 157 * 158 * @param SimpleXMLElement $new_child child that should be appended 159 * 160 * @return Void 161 */ 162 public function combinexml(SimpleXMLElement $new_child) 163 { 164 $node1 = dom_import_simplexml($this->_SimpleXmlElement); 165 $dom_sxe = dom_import_simplexml($new_child); 166 $node2 = $node1->ownerDocument->importNode($dom_sxe, true); 167 $node1->appendChild($node2); 168 } 169 170 /** 171 * convert a string into an UTF-8 string 172 * 173 * @param String $str string to convert 174 * 175 * @return String UTF-8 string 176 */ 177 private function _toUTF8($str) 178 { 179 $str = trim(preg_replace('/[\x00-\x09\x0b-\x1F]/', ' ', $str)); //remove nonprintable characters 180 if ($this->_encoding != null) { 181 if (strcasecmp($this->_encoding, "UTF-8") == 0) { 182 return $str; 183 } elseif (strcasecmp($this->_encoding, "CP437") == 0) { 184 $strr = ""; 185 if (($strl = strlen($str)) > 0) for ($i = 0; $i < $strl; $i++) { 186 $strc = substr($str, $i, 1); 187 if ($strc < 128) $strr.=$strc; 188 else $strr.=self::$_CP437toUTF8Table[$strc-128]; 189 } 190 191 return $strr; 192 } else { 193 if (preg_match("/^windows-\d+ \((.+)\)$/", $this->_encoding, $buf)) { 194 $encoding = $buf[1]; 195 } else { 196 $encoding = $this->_encoding; 197 } 198 $enclist = mb_list_encodings(); 199 if (in_array($encoding, $enclist)) { 200 return mb_convert_encoding($str, 'UTF-8', $encoding); 201 } elseif (function_exists("iconv")) { 202 if (($iconvout=iconv($encoding, 'UTF-8', $str))!==false) { 203 return $iconvout; 204 } else { 205 return mb_convert_encoding($str, 'UTF-8'); 206 } 207 } elseif (function_exists("libiconv") && (($iconvout=libiconv($encoding, 'UTF-8', $str))!==false)) { 208 return $iconvout; 209 } else { 210 return mb_convert_encoding($str, 'UTF-8'); 211 } 212 } 213 } else { 214 return mb_convert_encoding($str, 'UTF-8'); 215 } 216 } 217 218 /** 219 * Returns the SimpleXmlElement 220 * 221 * @return SimpleXmlElement entire xml as SimpleXmlElement 222 */ 223 public function getSimpleXmlElement() 224 { 225 return $this->_SimpleXmlElement; 226 } 227} 228