C / C++ / MFC

CString URLDecode(const CString& inStr)
{
	// decode escape sequences
	CString res;
	for (int x = 0; x < inStr.GetLength(); x++)
	{
		if (inStr.GetAt(x) == _T('%') && x + 2 < inStr.GetLength() && IsHexDigit(inStr.GetAt(x+1)) && IsHexDigit(inStr.GetAt(x+2)))
		{
			TCHAR hexstr[3];
			_tcsncpy(hexstr, inStr.Mid(x+1, 2), 2);
			hexstr[2] = _T('\0');
			x += 2;

			// Convert the hex to ASCII
			res.AppendChar((TCHAR)_tcstoul(hexstr, NULL, 16));
		}
		else
		{
			res.AppendChar(inStr.GetAt(x));
		}
	}
	return res;
}

CString URLEncode(const CString& sInT)
{
	CStringA sIn(sInT);
    LPCSTR pInBuf = sIn;

    CString sOut;
    LPTSTR pOutBuf = sOut.GetBuffer(sIn.GetLength() * 3);
    if(pOutBuf)
    {
		// do encoding
		while (*pInBuf)
		{
			if (_ismbcalnum((BYTE)*pInBuf))
				*pOutBuf++ = (BYTE)*pInBuf;
			else
			{
				*pOutBuf++ = _T('%');
				*pOutBuf++ = toHex((BYTE)*pInBuf >> 4);
				*pOutBuf++ = toHex((BYTE)*pInBuf % 16);
			}
			pInBuf++;
		}
		*pOutBuf = _T('\0');
		sOut.ReleaseBuffer();
    }
    return sOut;
} 

toxcct wrote:

please set a nickname in your profile so that everybody can identify you.