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exchangerix/inc/sms/nexmo/converter.class.php
Nasir Hossain c0c7bfb161 Initial commit
2025-12-19 20:13:55 +06:00

362 lines
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PHP
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<?php
/**
* 名称:converter
*
* 使用:
* $Conv=new converter;
* $String='GB2312转BIG(简转繁体)';
* $String=$Conv->convert('GB','BIG',$String);
* $String='BIG转GB2312(繁转简体);
* $String=$Conv->convert('BIG','GB',$String);
* $String='GBK转UTF';
* $String=$Conv->convert('GBK','UTF',$String);
* $String='BIG转UTF';
* $String=$Conv->convert('BIG','UTF',$String);
* $String='UTF转GBK';
* $String=$Conv->convert('UTF','GBK',$String);
* $String='UTF转BIG';
* $String=$Conv->convert('UTF','BIG',$String);
*/
class converter{
var $ICONV;//是否可用iconv函数
var $TablePath;//码表路径
var $UseMemSize;//把码表读到内存,加快速度,但需要占用更多内存
/**
* 构造函数
* 初始化变量
*/
function converter($TablePath=null){
$this->TablePath=empty($TablePath)?dirname(__FILE__).'/tables/':$TablePath;
if(function_exists('iconv')){
$this->ICONV=true;
}
}
/**
* 转换函数
*/
function convert($Source,$Target,$String){
$Source=strtolower($Source);
$Target=strtolower($Target);
$Func=$Source.'2'.$Target;
return $this->$Func($String);
}
/**
* unicode转utf
* 详细可见
* http://www.linuxforum.net/books/UTF-8-Unicode.html
*/
function uni2utf($Char){
$Return='';
if($Char<0x80){
$Return.=$Char;
}elseif($Char<0x800){
$Return.=chr(0xC0|$Char>>6);
$Return.=chr(0x80|$Char&0x3F);
}elseif($Char<0x10000){
$Return.=chr(0xE0|$Char>>12);
$Return.=chr(0x80|$Char>>6&0x3F);
$Return.=chr(0x80|$Char&0x3F);
}elseif($Char<0x200000){
$Return.=chr(0xF0|$Char>>18);
$Return.=chr(0x80|$Char>>12&0x3F);
$Return.=chr(0x80|$Char>>6&0x3F);
$Return.=chr(0x80|$Char&0x3F);
}
return $Return;
}
/**
* utf8转unicode
*/
function utf2uni($Char){
switch(strlen($Char)){
case 1:
return ord($Char);
case 2:
$OutStr=(ord($Char[0])&0x3f)<<6;
$OutStr+=ord($Char[1])&0x3f;
return $OutStr;
case 3:
$OutStr=(ord($Char[0])&0x1f)<<12;
$OutStr+=(ord($Char[1])&0x3f)<<6;
$OutStr+=ord($Char[2])&0x3f;
return $OutStr;
case 4:
$OutStr=(ord($Char[0])&0x0f)<<18;
$OutStr+=(ord($Char[1])&0x3f)<<12;
$OutStr+=(ord($Char[2])&0x3f)<<6;
$OutStr+=ord($Char[3])&0x3f;
return $OutStr;
}
}
/**
* 中文互转
* bg转big
* 或者big转bg
* 备注:GB2312是GBK的子集
*/
function chs2chs($String,$Target,$Type){
if($Type=='GB' && $this->ICONV) return iconv('GBK','UTF-8',$String);
if($Type=='BIG' && $this->ICONV) return iconv('BIG5','UTF-8',$String);
$TableFile=$this->TablePath.($Target=='GB'?'BIG2GB.Table':'GB2BIG.Table');
if(!file_exists($TableFile)) return false;
$MapTable=($Type=='MEM'?file_get_contents($TableFile):fopen($TableFile,'rb'));
$StringLenth=strlen($String);
$ReturnStr='';
for($Foo=0;$Foo<$StringLenth;$Foo++){
if(ord(substr($String,$Foo,1))>127){
$Str=substr($String,$Foo,2);
$High=ord($Str[0]);
$Low=ord($Str[1]);
$MapAddr=(($High-160)*510)+($Low-1)*2;
if($Type=='MEM'){
$High=$MapTable[$MapAddr];
$Low=$MapTable[$MapAddr+1];
}else{
fseek($MapTable,$MapAddr);
$High=fgetc($MapTable);
$Low=fgetc($MapTable);
}
$ReturnStr.="$High$Low";
$Foo++;
}else{
$ReturnStr.=$String[$Foo];
}
}
$Type=='MEM'?null:fclose($MapTable);
return $ReturnStr;
}
/**
* 汉字转拼音
* 由于码表是使用GBK的所以同样适用于GB2312
* 此函数来自Higthman的汉字转拼音
* 详细见
* http://www.hightman.cn/demo/getpy.php?source
*/
Function GBK2PINYIN($String,$Type='File'){
$TableFile=$this->TablePath.'GBK2PY.Table';
if(!file_exists($MapFile)){
return false;
}
$MapTable=($Type=='MEM'?file_get_contents($TableFile):$MapTable=fopen($TableFile,'rb'));
$StringLenth=strlen($String);
$ReturnStr='';
for($Foo=0;$Foo<$StringLenth;$Foo++){
$Char=ord(substr($String,$Foo,1));
if($Char>127){
$Str=substr($String,$Foo,2);
$High=ord($Str[0])-129;
$Low=ord($Str[1])-64;
$Addr=($High<<8)+$Low-($High*64);
if($Addr<0){
$ReturnStr.='_';
}else{
$MapAddr=$Addr*8;
if($Type=='MEM'){
$MapStr='';
for($Tmp=0;$Tmp<8;$Tmp++){
$MapStr.=$MapTable[($MapAddr+$Tmp)];
}
$BinStr=unpack('a8py',$MapStr);
}else{
fseek($MapTable,$MapAddr,SEEK_SET);
$BinStr=unpack('a8py',fread($MapTable,8));
}
$Foo++;
$ReturnStr.=$BinStr['py'];
}
}else{
$ReturnStr.=$String[$Foo];
}
}
$Type=='MEM'?null:fclose($MapTable);
return $ReturnStr;
}
/**
* GBK转UNI
* GBK转UTF8根据uni2utf得出
* 此代码来自于
* http://www.wensh.net/archive.php/topic/287.html
*/
function chs2uni($String,$Source='GBK',$Target='UTF',$Type='File'){
if($Source=='GBK' && $this->ICONV){
return iconv('GBK','UTF-8',$String);
}
if($Source=='BIG' && $this->ICONV){
return iconv('BIG5','UTF-8',$String);
}
$MapFile=$this->TablePath;
$MapFile.=($Source=='GBK'?'GBK2UNI.Table':'BIG2UNI.Table');
if(!file_exists($MapFile)){
return false;
}
if($Type=='File'){
$MapTable=fopen($MapFile,'rb');
$Tmp=fread($MapTable,2);
$MapSize=ord($Tmp[0])+256*ord($Tmp[1]);
}else{
$MapTable=file_get_contents($MapFile);
$MapSize=ord($MapTable[0])+256*ord($MapTable[1]);
}
$ReturnStr='';
$StringLenth=strlen($String);
for($Foo=0;$Foo<$StringLenth;$Foo++){
if(ord($String[$Foo])>127){
$Str=substr($String,$Foo,2);
$StrEncode=hexdec(bin2hex($Str));
$SearchStart=1;
$SearchEnd=$MapSize;
while($SearchStart<$SearchEnd-1){
$SearchMid=floor(($SearchStart+$SearchEnd)/2);
$MapAddr=4*($SearchMid-1)+2;
if($Type=='MEM'){
$MapEncode=ord($MapTable[$MapAddr])+256*ord($MapTable[$MapAddr+1]);
}else{
fseek($MapTable,$MapAddr);
$TmpStr=fread($MapTable,2);
$MapEncode=ord($TmpStr[0])+256*ord($TmpStr[1]);
}
if($StrEncode==$MapEncode){
$SearchStart=$SearchMid;
break;
}
$StrEncode>$MapEncode?$SearchStart=$SearchMid:$SearchEnd=$SearchMid;
}
$MapAddr=2+4*($SearchStart-1);
if($Type=='MEM'){
$Encode=ord($MapTable[$MapAddr])+256*ord($MapTable[$MapAddr+1]);
}else{
fseek($MapTable,$MapAddr);
$TmpStr=fread($MapTable,2);
$Encode=ord($TmpStr[0])+256*ord($TmpStr[1]);
}
if($StrEncode==$Encode){
if($Type=='MEM'){
$StrUni=ord($MapTable[$MapAddr+2])+256*ord($MapTable[$MapAddr+3]);
}else{
$TmpStr=fread($MapTable,2);
$StrUni=ord($TmpStr[0])+256*ord($TmpStr[1]);
}
$ReturnStr.=$Target=='UTF'?$this->uni2utf($StrUni):$StrUni;
}else{
$ReturnStr.='__';
}
$Foo++;
}else{
$ReturnStr.=$String[$Foo];
}
}
$Type=='MEM'?null:fclose($MapTable);
return $ReturnStr;
}
/**
* utf转gbk
*/
function utf2chs($String,$Target='GBK',$Type='File'){
if($Source=='GBK' && $this->ICONV){
return iconv('UTF-8','GBK',$String);
}
if($Source=='BIG' && $this->ICONV){
return iconv('UTF-8','BIG5',$String);
}
$MapFile=$this->TablePath.($Target=='GBK'?'UNI2GBK.Table':'UNI2BIG.Table');
if(!file_exists($MapFile)){
return false;
}
if($Type=='File'){
$MapTable=fopen($MapFile,'rb');
$Tmp=fread($MapTable,2);
$MapSize=ord($Tmp[0])+256*ord($Tmp[1]);
}else{
$MapTable=file_get_contents($MapFile);
$MapSize=ord($MapTable[0])+256*ord($MapTable[1]);
}
$ReturnStr='';
$StringLenth=strlen($String);
for($Foo=0;$Foo<$StringLenth;$Foo++){
if(ord($String[$Foo])>127){
$StrEncode=$this->UTF2UNI(substr($String,$Foo,3));
$SearchStart=1;
$SearchEnd=$MapSize;
while($SearchStart<$SearchEnd-1){
$SearchMid=floor(($SearchStart+$SearchEnd)/2);
$MapAddr=4*($SearchMid-1)+2;
if($Type=='MEM'){
$MapEncode=ord($MapTable[$MapAddr])+256*ord($MapTable[$MapAddr+1]);
}else{
fseek($MapTable,$MapAddr);
$TmpStr=fread($MapTable,2);
$MapEncode=ord($TmpStr[0])+256*ord($TmpStr[1]);
}
if($StrEncode==$MapEncode){
$SearchStart=$SearchMid;
break;
}
$StrEncode>$MapEncode?$SearchStart=$SearchMid:$SearchEnd=$SearchMid;
}
$MapAddr=2+4*($SearchStart-1);
if($Type=='MEM'){
$Encode=ord($MapTable[$MapAddr])+256*ord($MapTable[$MapAddr+1]);
}else{
fseek($MapTable,$MapAddr);
$TmpStr=fread($MapTable,2);
$Encode=ord($TmpStr[0])+256*ord($TmpStr[1]);
}
if($StrEncode==$Encode){
if($Type=='MEM'){
$Low=$MapTable[$MapAddr+2];
$High=$MapTable[$MapAddr+3];
}else{
$TmpStr=fread($MapTable,2);
$High=$TmpStr[1];
$Low=$TmpStr[0];
}
$ReturnStr.="$High$Low";
}else{
$ReturnStr.='__';
}
$Foo=$Foo+2;
}else{
$ReturnStr.=$String[$Foo];
}
}
$Type=='MEM'?null:fclose($MapTable);
return $ReturnStr;
}
function gb2big($String){
return strlen($String)<$this->UseMemSize?$this->chs2chs($String,'BIG','File'):$this->chs2chs($String,'BIG','MEM');
}
function big2gb($String){
return strlen($String)<$this->UseMemSize?$this->chs2chs($String,'GB','File'):$this->chs2chs($String,'GB','MEM');
}
function gbk2py($String){
return strlen($String)<$this->UseMemSize?$this->gbk2py($String,'File'):$this->gbk2py($String,'MEM');
}
function gbk2utf($String){
return strlen($String)<$this->UseMemSize?$this->chs2uni($String,'GBK','UTF','File'):$this->chs2uni($String,'GBK','UTF','MEM');
}
function big2utf($String){
return strlen($String)<$this->UseMemSize?$this->chs2uni($String,'BIG','UTF','File'):$this->chs2uni($String,'BIG','UTF','MEM');
}
function utf2gbk($String){
return strlen($String)<$this->UseMemSize?$this->utf2chs($String,'GBK','File'):$this->utf2chs($String,'GBK','MEM');
}
function utf2big($String){
return strlen($String)<$this->UseMemSize?$this->utf2chs($String,'BIG','File'):$this->utf2chs($String,'BIG','MEM');
}
}
?>
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