// Copyright (c) 2020 Lv Decai, Shenzhen, China.
// Filename: ConvertUtility.cpp
// Version: 1.0
// Release date: 2020年10月11日
// License: MIT (http://opensource.org/licenses/MIT)

#include "StdAfx.h"
#include "ConvertUtility.h"

NAMESPACE_BEGIN;

// 把二进制字符串解析为数据
string ConvertUtility::ParseBinaryString(CString sBinaryString)
{
	int iLength = sBinaryString.GetLength();

	iLength -= iLength % 8;

	string sData;

	sData.resize(iLength / 8);

	char* pData = (char*) sData.data();

	for (int i = 0; i < iLength / 8; i++)
	{
		pData[i] = 0;

		for (int j = 0; j < 8; j++)
		{
			TCHAR c = sBinaryString.GetAt(i * 8 + j);

			if (c == _T('0'))
			{
			}
			else if (c == _T('1'))
			{
				pData[i] += 1;
			}
			else
			{
				break;
			}

			if (j < 7)
			{
				pData[i] <<= 1;
			}
		}
	}

	return sData;
}

// 把数据转换为二进制字符串
CString ConvertUtility::ToBinaryString(const UCHAR* pData, UINT iLength)
{
	TCHAR Binary[][5] =
	{
		_T("0000"), _T("0001"), _T("0010"), _T("0011"), _T("0100"), _T("0101"), _T("0110"), _T("0111"),
		_T("1000"), _T("1001"), _T("1010"), _T("1011"), _T("1100"), _T("1101"), _T("1110"), _T("1111")
	};

	CString sResult;

	sResult.Preallocate(iLength * 8);

	for (UINT i = 0; i < iLength; i++)
	{
		sResult += Binary[pData[i] >> 4];
		sResult += Binary[pData[i] & 0x0f];
	}

	return sResult;
}

// 把数据转换为十六进制字符串
CString ConvertUtility::ToHexString(const UCHAR* pData, UINT iLength, BOOL bUpper)
{
	CString sResult;

	if (pData == NULL
		|| iLength == 0)
	{
		return sResult;
	}

	sResult.Preallocate(4 * iLength);

	for (UINT i = 0; i < iLength; i++)
	{
		sResult.AppendFormat(bUpper ? _T("%02X ") : _T("%02x "), pData[i]);
	}

	return sResult;
}

// 将整数转换成字符串
CString ConvertUtility::ToString(int iNumber, BOOL bSigned)
{
	CString sResult;

	if (bSigned)
	{
		sResult.Format(_T("%d"), iNumber);
	}
	else
	{
		sResult.Format(_T("%u"), (UINT) iNumber);
	}

	return sResult;
}

// 将整数转换成字符串
CString ConvertUtility::ToString(UINT iNumber)
{
	CString sResult;

	sResult.Format(_T("%u"), iNumber);

	return sResult;
}

// 将长整数转换成字符串
CString ConvertUtility::ToString(__int64 iNumber, BOOL bSigned)
{
	CString sResult;

	if (bSigned)
	{
		sResult.Format(_T("%I64d"), iNumber);
	}
	else
	{
		sResult.Format(_T("%I64u"), (UINT64) iNumber);
	}

	return sResult;
}

// 将长整数转换成字符串
CString ConvertUtility::ToString(UINT64 iNumber)
{
	CString sResult;

	sResult.Format(_T("%I64u"), iNumber);

	return sResult;
}

// 将浮点数转换成字符串
CString ConvertUtility::ToString(double fNumber, PCTSTR sFormat)
{
	CString sResult;

	sResult.Format(sFormat, fNumber);

	return sResult;
}

NAMESPACE_END;