ODbgScript源碼學習(三)

var::var(ulong rhs) //

{

vt = DW; //變量類型為雙字節

dw = rhs; //雙字節被賦予為未知長整型

flt = 0;

str = "";

size = sizeof(rhs); //大小為rhs大小

isbuf = false;

}

var::var(int rhs)

{

vt = DW; //int類型是變量var類型為vt

dw = (ulong)rhs; //dw為rhs類型轉換

flt = 0;

str = "";

size = sizeof(rhs);

isbuf = false;

}

var::var(long double rhs)

{

vt = FLT; //雙精度類型

flt = rhs; //

dw = 0;

str = "";

size = sizeof(rhs);

isbuf = false;

}

var& var::operator=(const var& rhs) //重載賦值號=,對象間賦值,返回自身指針

{

vt = rhs.vt;

dw = rhs.dw;

str = rhs.str;

flt = rhs.flt;

size = rhs.size;

isbuf = rhs.isbuf;

return *this;

}

var& var::operator=(const string& rhs) //重載賦值號=,字串類型賦值給對象,返回自身指針

{

vt = STR;

dw = 0;

flt = 0;

str = rhs; //str為字符串

string s=rhs;

if (UnquoteString(s,'#','#')) { //判斷字串是否結束

size = s.length()/2; //初始大小為字符串長度一半

int (*pf)(int) = toupper; //轉換字符串大小寫

transform(str.begin(), str.end(), str.begin(), pf); //遍歷容器str,從str.begin()開始,到str.end()結束,str.begin()寫入目標地址,執行pf轉換字符串大小寫操作

isbuf = true; //使用了緩衝區

} else {

size = rhs.length(); //如果結束,大小為字符串的一半

isbuf = false; //未曾使用緩衝區

}

return *this; //返回自己的指針

}

var& var::operator=(const ulong& rhs) //重載操作符=,ulong賦值給對象,返回自身指針

{

vt = DW;

dw = rhs;

flt = 0;

str = "";

size = sizeof(rhs);

isbuf = false;

return *this;

}

var& var::operator=(const int& rhs) //重載操作符=,int複製給對象,返回自身指針

{

vt = DW;

dw = (ulong)rhs;

flt = 0;

str = "";

size = sizeof(rhs);

isbuf = false;

return *this;

}

var& var::operator=(unsigned short& rhs) //重載操作符=,short賦值給對象,返回自身指針

{

vt = DW;

dw = rhs;

flt = 0;

str = "";

size = sizeof(rhs);

isbuf = false;

return *this;

}

var& var::operator=(unsigned char& rhs) //重載操作符,char賦值給對象,返回自身指針

{

vt = DW;

dw = rhs;

flt = 0;

str = "";

size = sizeof(rhs);

isbuf = false;

return *this;

}

var& var::operator=(const long double& rhs) //重載操作符,long double賦值給對象,返回自身指針

{

vt = FLT;

dw = 0;

flt = (long double)rhs;

str = "";

size = sizeof(rhs);

isbuf = false;

return *this;

}