/**//*--------------------------------------------------------------------------------*/


//定义一些额外的信息,保存这些信息到文件中可以用winrar打开
#define BEGIN_FLAG           "begin "
#define END_FLAG             "' end"
#define DEFAULT_ID           "777"
#define DEFAULT_FILE_NAME    "UueEncodeFile.txt"
enum UueOutMode ...{out_str,out_file};

class CUuencode
...{
public:
    CUuencode(/**//*UueOutMode Mode*/);
    void SetFileModeInf(unsigned char* filename=(unsigned char*)DEFAULT_FILE_NAME,unsigned char* ID=(unsigned char*)DEFAULT_ID);
public:
    ~CUuencode(void);
public:
    void unUueChar (unsigned char chuue[4],unsigned char chasc[3]);
    void UueChar   (unsigned char chasc[3],unsigned char chuue[4]);
    DWORD UueStr (const unsigned char ascstr[],size_t asclen,unsigned char uuestr[],size_t &uuelen,UueOutMode mode=out_str);
    size_t GetUueStrDataLen(const unsigned char uuestr[]);
    DWORD UnUueStr(const unsigned char uuestr[],size_t uuelen,unsigned char ascstr[],size_t &asclen,UueOutMode &mode);
private:
    UueOutMode FMode;
    unsigned char *  FID;
    unsigned char *  FileName;
    size_t     IDlen;
    size_t     namelen;
    unsigned char * beginFlag;
    unsigned char * endFlag;
};

/**//*------------------------------------------------*
 *                                                  *
 *                 Uue字符编码                    *
 *                 2007-3-16                      *
 *                                                  *
*------------------------------------------------*/

CUuencode::CUuencode(/**//*UueOutMode Mode=out_str*/)
...{
    beginFlag=(unsigned char*)BEGIN_FLAG;
    endFlag=  (unsigned char*)END_FLAG;
}
void CUuencode::SetFileModeInf(unsigned char* filename,unsigned char* ID)
...{
    
    FID=ID;
    FileName=filename;
    IDlen=_mbslen(FID);
    namelen=_mbslen(filename);
    if(IDlen==0)
    ...{
        _mbscpy(FID,(unsigned char*)DEFAULT_ID);
        IDlen=_mbslen(FID);
    }
    if(namelen==0)
    ...{
        _mbscpy(FileName,(unsigned char*)DEFAULT_ID);
        namelen=_mbslen((unsigned char*)DEFAULT_FILE_NAME);
    }
}
CUuencode::~CUuencode()
...{
    //
}
/**//*Uuencode编码*/
/**//*
chasc：未编码的二进制代码
chuue：编码过的Uue代码
*/
void CUuencode::UueChar(unsigned char chasc[3],unsigned char chuue[4])
...{
    int i,k=2;
    unsigned char t=NULL;
    for(i=0;i<3;i++)
    ...{
        *(chuue+i)=*(chasc+i)>>k;
        *(chuue+i)|=t;
        if(*(chuue+i)==NULL) 
            *(chuue+i)+=96;
        else 
            *(chuue+i)+=32;
        t=*(chasc+i)<<(8-k);
        t>>=2;
        k+=2;
    }
    *(chuue+3)=*(chasc+2)&63;
    if(*(chuue+3)==NULL) 
        *(chuue+3)+=96;
    else 
        *(chuue+3)+=32;
} 

/**//*Uuencode解码*/
/**//*
chuue：未解码的Uue代码
chasc：解码过的二进制代码
*/
void CUuencode::unUueChar(unsigned char chuue[4],unsigned char chasc[3])
...{
    int i,k=2;
    unsigned char t=NULL;
    if(*chuue==96) 
        *chuue=NULL;
    else 
        *chuue-=32;
    for(i=0;i<3;i++)
    ...{
        *(chasc+i)=*(chuue+i)<<k;
        k+=2;
        if(*(chuue+i+1)==96) *(chuue+i+1)=NULL;
        else *(chuue+i+1)-=32;
        t=*(chuue+i+1)>>8-k;
        *(chasc+i)|=t;
    }
} 

//编码一个ASC串为Uue串,先传入NULL到uuestr,返回uuelen,未包含'

DWORD  CUuencode::UueStr(const unsigned char ascstr[],size_t asclen,unsigned char uuestr[],size_t &uuelen,UueOutMode mode)
...{
    size_t asclen_3=asclen+((asclen%3)?(3-(asclen%3)):0); 
    size_t require=asclen_3;
    if(uuestr==NULL)
    ...{
        
        if(mode==out_str)
            /**//*    |----DATA---|---------Line Header +' '-------|*/
        ...{    
            uuelen= require*4/3+(asclen/45)*2+((asclen%45)?1:0)*2;
            return 0;
        }

        else
        ...{
            /**//*    |----DATA---|---------Line Header +' '-------|---"BEGIN "----|------|-' '-|-------|-'/n'-|---"' END"---*/
            uuelen= require*4/3+(asclen/45)*2+((asclen%45)?1:0)*2+_mbslen(beginFlag)+IDlen+  1  +namelen+ 1    +_mbslen(endFlag);
            return 0;
        }
        
    }
    unsigned char *temp=new unsigned char[asclen_3];
    //memory alloc fail
    if(temp==NULL) return GetLastError();
    unsigned char *pdel=temp;
    unsigned char *puue=uuestr;
    memset(temp,0,asclen_3);
    memcpy(temp,ascstr,asclen);
    if(mode==out_file)
    ...{
        _mbscpy(uuestr,beginFlag);
        uuestr+=_mbslen(beginFlag);
        _mbscpy(uuestr,FID);
        uuestr+=IDlen;
        *uuestr++=' ';
        _mbscpy(uuestr,FileName);
        uuestr+=namelen;
        
        *uuestr++=' ';
    }
    for(size_t i=0;i<asclen_3;)
    ...{
        if(0==i%45)
            *uuestr++=0x20+((asclen_3-i>=45)?45:(asclen_3-i));
        UueChar(temp,uuestr);
        temp+=3;
        uuestr+=4;
        if(!((i+3)%45))
        ...{
            *uuestr++=' ';
        }
        i+=3;
    }
    *uuestr++=' ';
    if(mode==out_file)
    ...{
        _mbscpy(uuestr,endFlag);

    }
    //*uuestr='