📄 chinese.php
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<?php
class Chinese
{
var $unicode_table = array();
var $ctf;
var $SourceText = "";
var $config = array(
'codetable_dir' => 'encode/',
'SourceLang' => '',
'TargetLang' => '',
'GBtoBIG5_table' => 'gb-big5.table',
'BIG5toGB_table' => 'big5-gb.table',
'GBtoUnicode_table' => 'gb-unicode.table',
'BIG5toUnicode_table' => 'big5-unicode.table'
);
function Chinese($SourceLang,$TargetLang){
$this->config['SourceLang'] = $this->getcode($SourceLang);
$this->config['TargetLang'] = $this->getcode($TargetLang);
$this->OpenTable();
}
function getcode($code){
if(strtoupper(substr($code,0,2))=='GB'){
return 'GB2312';
}elseif(strtoupper(substr($code,0,3))=='BIG'){
return 'BIG5';
}elseif(strtoupper(substr($code,0,3))=='UTF'){
return 'UTF8';
}elseif(strtoupper(substr($code,0,3))=='UNI'){
return 'UNICODE';
}else{
return 'GB2312';
}
}
function _hex2bin( $hexdata ){
for($i=0;$i<strlen($hexdata);$i+=2){
$bindata .= chr(hexdec(substr($hexdata,$i,2)));
}
return $bindata;
}
function OpenTable(){
if($this->config['SourceLang']=="GB2312") {
if($this->config['TargetLang'] == "UTF8") {
$tmp = openfile($this->config['codetable_dir'].$this->config['GBtoUnicode_table']);
$this->unicode_table = array();
while(list($key,$value)=each($tmp)){
$this->unicode_table[hexdec(substr($value,0,6))]=substr($value,7,6);
}
}
if($this->config['TargetLang'] == "UNICODE") {
$tmp = openfile($this->config['codetable_dir'].$this->config['GBtoUnicode_table']);
$this->unicode_table = array();
while(list($key,$value)=each($tmp)){
$this->unicode_table[hexdec(substr($value,0,6))]=substr($value,9,4);
}
}
}
if($this->config['SourceLang']=="BIG5") {
if($this->config['TargetLang'] == "UTF8") {
$tmp = openfile($this->config['codetable_dir'].$this->config['BIG5toUnicode_table']);
$this->unicode_table = array();
while(list($key,$value)=each($tmp)){
$this->unicode_table[hexdec(substr($value,0,6))]=substr($value,7,6);
}
}
if($this->config['TargetLang'] == "UNICODE") {
$tmp = openfile($this->config['codetable_dir'].$this->config['BIG5toUnicode_table']);
$this->unicode_table = array();
while(list($key,$value)=each($tmp)){
$this->unicode_table[hexdec(substr($value,0,6))]=substr($value,9,4);
}
}
}
if($this->config['SourceLang']=="UTF8") {
if($this->config['TargetLang'] == "GB2312") {
$tmp = openfile($this->config['codetable_dir'].$this->config['GBtoUnicode_table']);
$this->unicode_table = array();
while(list($key,$value)=each($tmp)){
$this->unicode_table[hexdec(substr($value,7,6))]=substr($value,0,6);
}
}
if($this->config['TargetLang'] == "BIG5") {
$tmp = openfile($this->config['codetable_dir'].$this->config['BIG5toUnicode_table']);
$this->unicode_table = array();
while(list($key,$value)=each($tmp)){
$this->unicode_table[hexdec(substr($value,7,6))]=substr($value,0,6);
}
}
}
}
function CHSUtoUTF8($c){
$str="";
if($c < 0x80) {
$str.=$c;
}elseif($c < 0x800) {
$str.=(0xC0 | $c>>6);
$str.=(0x80 | $c & 0x3F);
}elseif($c < 0x10000) {
$str.=(0xE0 | $c>>12);
$str.=(0x80 | $c>>6 & 0x3F);
$str.=(0x80 | $c & 0x3F);
}elseif($c < 0x200000) {
$str.=(0xF0 | $c>>18);
$str.=(0x80 | $c>>12 & 0x3F);
$str.=(0x80 | $c>>6 & 0x3F);
$str.=(0x80 | $c & 0x3F);
}
return $str;
}
function CHStoUTF8(){
if($this->config["SourceLang"]=="BIG5" || $this->config["SourceLang"]=="GB2312") {
$ret="";
while($this->SourceText){
if(ord(substr($this->SourceText,0,1))>127){
if($this->config["SourceLang"]=="BIG5") {
$utf8=$this->CHSUtoUTF8(hexdec($this->unicode_table[hexdec(bin2hex(substr($this->SourceText,0,2)))]));
}
if($this->config["SourceLang"]=="GB2312") {
$utf8=$this->CHSUtoUTF8(hexdec($this->unicode_table[hexdec(bin2hex(substr($this->SourceText,0,2)))-0x8080]));
}
for($i=0;$i<strlen($utf8);$i+=3){
$ret.=chr(substr($utf8,$i,3));
}
$this->SourceText=substr($this->SourceText,2,strlen($this->SourceText));
}else{
$ret.=substr($this->SourceText,0,1);
$this->SourceText=substr($this->SourceText,1,strlen($this->SourceText));
}
}
$this->unicode_table = array();
$this->SourceText = "";
return $ret;
}
if($this->config["SourceLang"]=="UTF8") {
$out = "";
$len = strlen($this->SourceText);
$i = 0;
while($i < $len) {
$c = ord( substr( $this->SourceText, $i++, 1 ) );
switch($c >> 4)
{
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
// 0xxxxxxx
$out .= substr( $this->SourceText, $i-1, 1 );
break;
case 12: case 13:
// 110x xxxx 10xx xxxx
$char2 = ord( substr( $this->SourceText, $i++, 1 ) );
$char3 = $this->unicode_table[(($c & 0x1F) << 6) | ($char2 & 0x3F)];
if($this->config["TargetLang"]=="GB2312")
$out .= $this->_hex2bin( dechex( $char3 + 0x8080 ) );
if($this->config["TargetLang"]=="BIG5")
$out .= $this->_hex2bin( $char3 );
break;
case 14:
// 1110 xxxx 10xx xxxx 10xx xxxx
$char2 = ord( substr( $this->SourceText, $i++, 1 ) );
$char3 = ord( substr( $this->SourceText, $i++, 1 ) );
$char4 = $this->unicode_table[(($c & 0x0F) << 12) | (($char2 & 0x3F) << 6) | (($char3 & 0x3F) << 0)];
if($this->config["TargetLang"]=="GB2312")
$out .= $this->_hex2bin( dechex ( $char4 + 0x8080 ) );
if($this->config["TargetLang"]=="BIG5")
$out .= $this->_hex2bin( $char4 );
break;
}
}
return $out;
}
}
function CHStoUNICODE()
{
$utf="";
while($this->SourceText)
{
if(ord(substr($this->SourceText,0,1))>127)
{
if($this->config["SourceLang"]=="GB2312")
$utf.="&#x".$this->unicode_table[hexdec(bin2hex(substr($this->SourceText,0,2)))-0x8080].";";
if($this->config["SourceLang"]=="BIG5")
$utf.="&#x".$this->unicode_table[hexdec(bin2hex(substr($this->SourceText,0,2)))].";";
$this->SourceText=substr($this->SourceText,2,strlen($this->SourceText));
}
else
{
$utf.=substr($this->SourceText,0,1);
$this->SourceText=substr($this->SourceText,1,strlen($this->SourceText));
}
}
return $utf;
}
function Convert($SourceString){
$this->SourceText = $SourceString;
if(($this->config['SourceLang']=="GB2312" || $this->config['SourceLang']=="BIG5" || $this->config['SourceLang']=="UTF8") && ($this->config['TargetLang']=="UTF8" || $this->config['TargetLang']=="GB2312" || $this->config['TargetLang']=="BIG5") ) {
return $this->CHStoUTF8();
}
if(($this->config['SourceLang']=="GB2312" || $this->config['SourceLang']=="BIG5") && $this->config['TargetLang']=="UNICODE") {
return $this->CHStoUNICODE();
}
}
}
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