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//英汉翻译 
#include	"stdafx.h" 
#include	 
 
#include	"etoc.h" 
 
CEtoC	OEtoC ;		//英汉翻译对象 
 
//读入库内容 
CEtoC::CEtoC( void ) 
{ 
	hpsLib	=NULL ; 
} 
 
//装入翻译字库 
BOOL CEtoC::LoadDict( void ) 
{ 
	//打开文件 
	if( !Open( DICT_NAME , CFile::modeRead ) ) 
	{ 
		::MessageBox( 0 , "Open file error,in LoadDict!" , 0 , MB_OK ) ; 
		return	0 ; 
	} 
 
	//得到库长度 
	DWORD	dwLibLen=GetLength() ; 
	//分配空间 
	hpsLib	=(char huge*)GlobalAllocPtr( GMEM_FIXED ,  
										dwLibLen ) ; 
	if( !hpsLib ) 
	{ 
		::MessageBox( 0 , "GlobalAllocPtr error" , 0 , MB_OK ) ; 
		return	0 ; 
	} 
	 
	//读出库内容 
	ReadHuge( hpsLib , dwLibLen ) ; 
	//关闭文件 
	Close() ; 
	 
	lpLibHead	=(LIB_HEAD far*)hpsLib ;	//得到库头 
	//判断文件是否正确 
	if( dwLibLen != lpLibHead->dwLibLen )	//库有问题 
	{ 
		::MessageBox( 0 , "The etoc.lib is error" , 0 , MB_OK ) ; 
		return	0 ; 
	} 
	 
	return	1 ; 
} 
 
void CEtoC::UnloadDict( void ) 
{ 
	if( hpsLib ) 
	{ 
		GlobalFreePtr( hpsLib ) ; 
		hpsLib	=NULL ; 
	} 
} 
	 
//英汉翻译，返回0，出错，1完全匹配，2非完全匹配 
int	CEtoC::EnglishToChinese( LPCSTR lpcsEnglish ,  
							int	nLenOfEnglish , 
							LPSTR	lpsChinese , int nLenOfChinese , 
							LPINT	lpnLenOfResult ) 
{ 
	char	sBuff[300] ; 
 
	if( (UINT)nLenOfEnglish <= 0 ||  
		(UINT)nLenOfEnglish > lpLibHead->uWordClassNum )	//长度不对								 
	{ 
		strcpy( sBuff , "长度错误!" ) ; 
		*lpnLenOfResult	=min( nLenOfChinese , strlen( sBuff ) ) ;						  
		_fstrncpy( lpsChinese , sBuff ,  
						  *lpnLenOfResult ) ; 
		return	0 ; 
	} 
	 
	//检查该类是否有词 
	if( lpLibHead->dwStartPos[nLenOfEnglish-1] == 0 || 
		lpLibHead->dwWordNum[nLenOfEnglish-1] == 0 ) 
	{ 
		strcpy( sBuff , "不好意思,我不会翻译这个词." ) ;  
		*lpnLenOfResult	=min( nLenOfChinese , strlen( sBuff ) ) ;						  
		_fstrncpy( lpsChinese , sBuff ,  
						  *lpnLenOfResult ) ; 
		return	0 ; 
	} 
	 
	//检索该英文单词的含义 
	DWORD	dwItemLen	=nLenOfEnglish+5 ;			//该词类的项长度 
	DWORD	dwFirst	=0 ;	 
	DWORD	dwLast	=lpLibHead->dwWordNum[nLenOfEnglish-1] - 1 ; 
	DWORD	dwMiddle=0 ; 
	DWORD	dwMiddlePoint=0 ;				//中间词的指针 
	WORD_CLASS	far	*lpWord ; 
	int				n ; 
 
	//以二分法进行检索	 
	while( dwFirst <= dwLast ) 
	{ 
		dwMiddle	=( ( dwFirst+dwLast )/2 ) ; 
		dwMiddlePoint	=dwMiddle*dwItemLen ; 
		n	=_fstrnicmp( lpcsEnglish , hpsLib + 
								lpLibHead->dwStartPos[nLenOfEnglish-1] + 
								dwMiddlePoint , nLenOfEnglish ) ; 
		if( !n )	//相等 
		{															 
			lpWord	=(WORD_CLASS far*)( hpsLib +  
								lpLibHead->dwStartPos[nLenOfEnglish-1] +  
								dwMiddlePoint + nLenOfEnglish ) ; 
			_fstrncpy( lpsChinese , lpcsEnglish , nLenOfEnglish ) ; 
			lpsChinese[nLenOfEnglish]	=':' ; 
			if( nLenOfEnglish+1+nLenOfChinese < lpWord->bLen )	//缓冲区长度太小 
			{ 
				_fstrncpy( lpsChinese+nLenOfEnglish+1 , hpsLib + lpWord->dwStartPos , 
								 nLenOfChinese-nLenOfEnglish-1 ) ; 
				*lpnLenOfResult	=nLenOfEnglish+1+nLenOfChinese ; 
				lpsChinese[*lpnLenOfResult]	='\0' ; 
				return	0 ; 
			} 
			else 
			{ 
				_fstrncpy( lpsChinese+nLenOfEnglish+1 , hpsLib + lpWord->dwStartPos , 
								 lpWord->bLen ) ; 
				*lpnLenOfResult	=nLenOfEnglish+1+lpWord->bLen ; 
				lpsChinese[*lpnLenOfResult]	='\0' ; 
				return	1 ; 
			} 
		} 
		 
		if( n<0 ) 
		{ 
			if( !dwMiddle )		//已经为0了 
				break ; 
			dwLast	=dwMiddle-1 ; 
		} 
		else 
			dwFirst	=dwMiddle+1 ; 
	} 
												 
	//没有匹配者,以中间值代替																										 
	//组织输出结果 
	char far	*lp ; 
	lp	=(char far*)sBuff ; 
	//给英文名字 
	_fstrncpy( lp , hpsLib + 
				lpLibHead->dwStartPos[nLenOfEnglish-1] + 
				dwMiddlePoint , nLenOfEnglish ) ; 
	lp	+=nLenOfEnglish ; 
	*lp++	=':' ; 
	//给中文含义 
	lpWord	=(WORD_CLASS far*)( hpsLib +  
						lpLibHead->dwStartPos[nLenOfEnglish-1] +  
						dwMiddlePoint + nLenOfEnglish ) ; 
	_fstrncpy( lp , hpsLib + lpWord->dwStartPos ,  
								 lpWord->bLen ) ; 
	lp	+=lpWord->bLen ; 
	*lp	='\0' ; 
	*lpnLenOfResult	=min( nLenOfChinese , strlen( sBuff ) ) ; 
	_fstrncpy( lpsChinese , sBuff , 
					  *lpnLenOfResult ) ; 
	lpsChinese[*lpnLenOfResult]	='\0' ; 
 
//	WritePrivateProfileString( "test" , "s" , lpsChinese , "test.ini" ) ; 
	return	2 ; 
} 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
//装入翻译字库 
BOOL __export FAR PASCAL	LoadDict( void ) 
{ 
	return	OEtoC.LoadDict() ; 
} 
 
//卸掉翻译字库 
void __export FAR PASCAL	UnloadDict( void ) 
{ 
	OEtoC.UnloadDict() ; 
} 
 
//对外输出的函数									 
#define	HOU_ZHUI_NUM	6	//后缀数目 
#define	BUFF_LEN	100 
BOOL __export FAR PASCAL	EnglishToChinese( LPCSTR lpcsEnglish ,  
							int	nLenOfEnglish , 
							LPSTR	lpsChinese , int nLenOfChinese , 
							LPINT	lpnLenOfResult ) 
{ 
	char	sDelStr[HOU_ZHUI_NUM][10]=		//减去某部分 
		{ "s" , "es" , "ing" , "ing" , "ed" , "ied" } ; 
	char	sAddStr[HOU_ZHUI_NUM][10]=	//减去后，再加上某个部分 
		{ "" , "" , "" , "e" , "" , "y" } ; 
	 
	int	n	=OEtoC.EnglishToChinese( lpcsEnglish , nLenOfEnglish , 
				lpsChinese , nLenOfChinese , lpnLenOfResult ) ; 
	if( n==0 || n==1 ) 
		return	(BOOL)n ; 
 
	char	sBuff[BUFF_LEN] ; 
	int		nLen , nDelStr ; 
	for( int i=0 ; iBUFF_LEN ) 
			continue ; 
		_fstrncpy( sBuff , lpcsEnglish , nLenOfEnglish-nDelStr ) ; 
		strncpy( sBuff+nLenOfEnglish-nDelStr , sAddStr[i] , strlen(sAddStr[i]) ) ; 
		n	=OEtoC.EnglishToChinese( sBuff , nLen , 
				lpsChinese , nLenOfChinese , lpnLenOfResult ) ; 
		if( n==0 || n==1 ) 
			return	(BOOL)n ; 
	} 
 
	return	OEtoC.EnglishToChinese( lpcsEnglish , nLenOfEnglish , 
				lpsChinese , nLenOfChinese , lpnLenOfResult ) ; 
} 
 
#ifdef __cplusplus 
} 
#endif