/**
* Decode all %uXXXX entities in string or array (recurrent).
* String must not contain %XX entities - they are ignored!
*/
function _ucs2EntitiesDecode($data)
{
if (is_array($data)) {
$d = array();
foreach ($data as $k=>$v) {
$d[$this->_ucs2EntitiesDecode($k)] = $this->_ucs2EntitiesDecode($v);
}
return $d;
} else {
if (strpos($data, '%u') !== false) { // improve speed
$data = preg_replace_callback('/%u([0-9A-F]{1,4})/si', array(&$this, '_ucs2EntitiesDecodeCallback'), $data);
}
return $data;
}
}
/**
* Decode one %uXXXX entity (RE callback).
*/
function _ucs2EntitiesDecodeCallback($p)
{
$hex = $p[1];
$dec = hexdec($hex);
if ($dec === "38" && $this->SCRIPT_DECODE_MODE == 'entities') {
// Process "&" separately in "entities" decode mode.
$c = "&";
} else {
if ($this->_unicodeConvMethod) {
$c = @$this->_unicodeConv('UCS-2BE', $this->SCRIPT_ENCODING, pack('n', $dec));
} else {
$c = $this->_decUcs2Decode($dec, $this->SCRIPT_ENCODING);
}
if (!strlen($c)) {
if ($this->SCRIPT_DECODE_MODE == 'entities') {
$c = '&#' . $dec . ';';
} else {
$c = '?';
}
}
}
return $c;
}
/**
* Wrapper for iconv() or mb_convert_encoding() functions.
* This function will generate fatal error if none of these functons available!
*
* @see iconv()
*/
function _unicodeConv($fromEnc, $toEnc, $v)
{
if ($this->_unicodeConvMethod == 'iconv') {
return iconv($fromEnc, $toEnc, $v);
}
return mb_convert_encoding($v, $toEnc, $fromEnc);
}
/**
* If there is no ICONV, try to decode 1-byte characters manually
* (for most popular charsets only).
*/
/**
* Convert from UCS-2BE decimal to $toEnc.
*/
function _decUcs2Decode($code, $toEnc)
{
if ($code < 128) return chr($code);
if (isset($this->_encTables[$toEnc])) {
// TODO: possible speedup by using array_flip($this->_encTables) and later hash access in the constructor.
$p = array_search($code, $this->_encTables[$toEnc]);
if ($p !== false) return chr(128 + $p);
}
return "";
}
/**
* UCS-2BE -> 1-byte encodings (from #128).
*/
var $_encTables = array(
'windows-1251' => array(
0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021,
0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F,
0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
0x0098, 0x2122, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F,
0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7,
0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407,
0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7,
0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457,
0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
),
'koi8-r' => array(
0x2500, 0x2502, 0x250C, 0x2510, 0x2514, 0x2518, 0x251C, 0x2524,
0x252C, 0x2534, 0x253C, 0x2580, 0x2584, 0x2588, 0x258C, 0x2590,
0x2591, 0x2592, 0x2593, 0x2320, 0x25A0, 0x2219, 0x221A, 0x2248,
0x2264, 0x2265, 0x00A0, 0x2321, 0x00B0, 0x00B2, 0x00B7, 0x00F7,
0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556,
0x2557, 0x2558, 0x2559, 0x255A, 0x255B, 0x255C, 0x255d, 0x255E,
0x255F, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565,
0x2566, 0x2567, 0x2568, 0x2569, 0x256A, 0x256B, 0x256C, 0x00A9,
0x044E, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
0x0445, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043d, 0x043E,
0x043F, 0x044F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
0x044C, 0x044B, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044A,
0x042E, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
0x0425, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041d, 0x041E,
0x041F, 0x042F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
0x042C, 0x042B, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042A
),
);
