Your IP : 172.28.240.42
<?
define("PATH2CONVERT_TABLES", $_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/cvtables/");
global $BX_CHARSET_TABLE_CACHE;
$BX_CHARSET_TABLE_CACHE = Array();
class CharsetConverter
{
private static $instance;
private $arErrors = array();
/**
* @static
* @return CharsetConverter
*/
public static function GetInstance()
{
if (!isset(self::$instance))
{
$c = __CLASS__;
self::$instance = new $c;
}
return self::$instance;
}
public static function ConvertCharset($string, $charset_in, $charset_out, &$errorMessage = "")
{
$string = strval($string);
if(strcasecmp($charset_in, $charset_out) == 0)
return $string;
$errorMessage = '';
if ($string == '')
return '';
if (extension_loaded("mbstring"))
{
//For UTF-16 we have to detect the order of bytes
//Default for mbstring extension is Big endian
//Little endian have to pointed explicitly
if (strtoupper($charset_in) == "UTF-16")
{
$ch = substr($string, 0, 1);
//If Little endian found - cutoff BOF bytes and point mbstring to this fact explicitly
if ($ch == "\xFF" && substr($string, 1, 1) == "\xFE")
return mb_convert_encoding(substr($string, 2), $charset_out, "UTF-16LE");
//If it is Big endian, just remove BOF bytes
elseif ($ch == "\xFE" && substr($string, 1, 1) == "\xFF")
return mb_convert_encoding(substr($string, 2), $charset_out, $charset_in);
//Otherwise assime Little endian without BOF
else
return mb_convert_encoding($string, $charset_out, "UTF-16LE");
}
else
{
$res = mb_convert_encoding($string, $charset_out, $charset_in);
if (strlen($res) > 0)
return $res;
}
}
if (!defined("BX_ICONV_DISABLE") || BX_ICONV_DISABLE !== true)
{
$utf_string = false;
if (strtoupper($charset_in) == "UTF-16")
{
$ch = substr($string, 0, 1);
if (($ch != "\xFF") || ($ch != "\xFE"))
$utf_string = "\xFF\xFE".$string;
}
if (function_exists('iconv'))
{
if ($utf_string)
$res = iconv($charset_in, $charset_out."//IGNORE", $utf_string);
else
$res = iconv($charset_in, $charset_out."//IGNORE", $string);
if (!$res)
$errorMessage .= "Iconv reported failure while converting string to requested character encoding. ";
return $res;
}
elseif (function_exists('libiconv'))
{
if ($utf_string)
$res = libiconv($charset_in, $charset_out, $utf_string);
else
$res = libiconv($charset_in, $charset_out, $string);
if (!$res)
$errorMessage .= "Libiconv reported failure while converting string to requested character encoding. ";
return $res;
}
}
$cvt = self::GetInstance();
$res = $cvt->Convert($string, $charset_in, $charset_out);
if (!$res)
{
$arErrors = $cvt->GetErrors();
if (count($arErrors) > 0)
$errorMessage = implode("\n", $arErrors);
}
return $res;
}
protected function HexToUtf($utfCharInHex)
{
$result = "";
$utfCharInDec = hexdec($utfCharInHex);
if ($utfCharInDec < 128)
$result .= chr($utfCharInDec);
elseif ($utfCharInDec < 2048)
$result .= chr(($utfCharInDec >> 6) + 192).chr(($utfCharInDec & 63) + 128);
elseif ($utfCharInDec < 65536)
$result .= chr(($utfCharInDec >> 12) + 224).chr((($utfCharInDec >> 6) & 63) + 128).chr(($utfCharInDec & 63) + 128);
elseif ($utfCharInDec < 2097152)
$result .= chr($utfCharInDec >> 18 + 240).chr((($utfCharInDec >> 12) & 63) + 128).chr(($utfCharInDec >> 6) & 63 + 128). chr($utfCharInDec & 63 + 128);
return $result;
}
protected function BuildConvertTable()
{
global $BX_CHARSET_TABLE_CACHE;
for ($i = 0; $i < func_num_args(); $i++)
{
$fileName = func_get_arg($i);
if(isset($BX_CHARSET_TABLE_CACHE[$fileName]))
continue;
$BX_CHARSET_TABLE_CACHE[$fileName] = Array();
if(!file_exists(PATH2CONVERT_TABLES.$fileName))
{
$this->AddError(str_replace("#FILE#", PATH2CONVERT_TABLES.$fileName, "File #FILE# is not found."));
continue;
}
if (!is_file(PATH2CONVERT_TABLES.$fileName))
{
$this->AddError(str_replace("#FILE#", PATH2CONVERT_TABLES.$fileName, "File #FILE# is not a file."));
continue;
}
if (!($hFile = fopen(PATH2CONVERT_TABLES.$fileName, "r")))
{
$this->AddError(str_replace("#FILE#", PATH2CONVERT_TABLES.$fileName, "Can not open file #FILE# for reading."));
continue;
}
while (!feof($hFile))
{
if ($line = trim(fgets($hFile, 1024)))
{
if (substr($line, 0, 1) != "#")
{
$hexValue = preg_split("/[\s,]+/", $line, 3);
if (substr($hexValue[1], 0, 1) != "#")
{
$key = strtoupper(str_replace("0x", "", $hexValue[1]));
$value = strtoupper(str_replace("0x", "", $hexValue[0]));
$BX_CHARSET_TABLE_CACHE[func_get_arg($i)][$key] = $value;
}
}
}
}
fclose($hFile);
}
return $BX_CHARSET_TABLE_CACHE;
}
public function Convert($sourceString, $charsetFrom, $charsetTo)
{
$this->ClearErrors();
if (strlen($sourceString) <= 0)
{
$this->AddError("Nothing to convert.");
return false;
}
if (strlen($charsetFrom) <= 0)
{
$this->AddError("Source charset is not set.");
return false;
}
if (strlen($charsetTo) <= 0)
{
$this->AddError("Destination charset is not set.");
return false;
}
$charsetFrom = strtolower($charsetFrom);
$charsetTo = strtolower($charsetTo);
if($charsetFrom == $charsetTo)
return $sourceString;
$resultString = "";
if($charsetFrom == "ucs-2")
{
$arConvertTable = $this->BuildConvertTable($charsetTo);
for($i = 0; $i < strlen($sourceString); $i+=2)
{
$hexChar = strtoupper(dechex(ord($sourceString[$i])).dechex(ord($sourceString[$i+1])));
$hexChar = str_pad($hexChar, 4, "0", STR_PAD_LEFT);
if($arConvertTable[$charsetTo][$hexChar])
{
if($charsetTo != "utf-8")
$resultString .= chr(hexdec($arConvertTable[$charsetTo][$hexChar]));
else
$resultString .= $this->HexToUtf($arConvertTable[$charsetTo][$hexChar]);
}
}
}
elseif($charsetFrom == "utf-16")
{
$arConvertTable = $this->BuildConvertTable($charsetTo);
for($i = 0; $i < strlen($sourceString); $i+=2)
{
$hexChar = sprintf("%02X%02X", ord($sourceString[$i+1]), ord($sourceString[$i]));
if($arConvertTable[$charsetTo][$hexChar])
{
if($charsetTo != "utf-8")
$resultString .= chr(hexdec($arConvertTable[$charsetTo][$hexChar]));
else
$resultString .= $this->HexToUtf($arConvertTable[$charsetTo][$hexChar]);
}
}
}
elseif($charsetFrom != "utf-8")
{
if($charsetTo != "utf-8")
$arConvertTable = $this->BuildConvertTable($charsetFrom, $charsetTo);
else
$arConvertTable = $this->BuildConvertTable($charsetFrom);
if(!$arConvertTable)
return false;
$stringLength = (extension_loaded("mbstring") ? mb_strlen($sourceString, $charsetFrom) : strlen($sourceString));
for ($i = 0; $i < $stringLength; $i++)
{
$hexChar = strtoupper(dechex(ord($sourceString[$i])));
if(strlen($hexChar) == 1)
$hexChar = "0".$hexChar;
if(($charsetFrom == "gsm0338") && ($hexChar == '1B'))
{
$i++;
$hexChar .= strtoupper(dechex(ord($sourceString[$i])));
}
if($charsetTo != "utf-8")
{
if(in_array($hexChar, $arConvertTable[$charsetFrom]))
{
$unicodeHexChar = array_search($hexChar, $arConvertTable[$charsetFrom]);
$arUnicodeHexChar = explode("+", $unicodeHexChar);
for ($j = 0; $j < count($arUnicodeHexChar); $j++)
{
if (array_key_exists($arUnicodeHexChar[$j], $arConvertTable[$charsetTo]))
$resultString .= chr(hexdec($arConvertTable[$charsetTo][$arUnicodeHexChar[$j]]));
else
$this->AddError(str_replace("#CHAR#", $sourceString[$i], "Can not find matching char \"#CHAR#\" in destination encoding table."));
}
}
else
$this->AddError(str_replace("#CHAR#", $sourceString[$i], "Can not find matching char \"#CHAR#\" in source encoding table."));
}
else
{
if(in_array("$hexChar", $arConvertTable[$charsetFrom]))
{
$unicodeHexChar = array_search($hexChar, $arConvertTable[$charsetFrom]);
$arUnicodeHexChar = explode("+", $unicodeHexChar);
for ($j = 0; $j < count($arUnicodeHexChar); $j++)
$resultString .= $this->HexToUtf($arUnicodeHexChar[$j]);
}
else
$this->AddError(str_replace("#CHAR#", $sourceString[$i], "Can not find matching char \"#CHAR#\" in source encoding table."));
}
}
}
else
{
$arConvertTable = $this->BuildConvertTable($charsetTo);
if(!$arConvertTable)
return false;
foreach($arConvertTable[$charsetTo] as $unicodeHexChar => $hexChar)
{
$EntitieOrChar = chr(hexdec($hexChar));
$sourceString = str_replace($this->HexToUtf($unicodeHexChar), $EntitieOrChar, $sourceString);
}
$resultString = $sourceString;
}
return $resultString;
}
public function GetErrors()
{
return $this->arErrors;
}
protected function AddError($error, $errorCode = "")
{
if (empty($error))
return;
$fs = (empty($errorCode) ? "%s" : "[%s] %s");
$this->arErrors[] = sprintf($fs, $error, $errorCode);
}
protected function ClearErrors()
{
$this->arErrors = array();
}
}
?>