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CStringConvert 7bit alphabet
Last Modify : 27 December, 2010(02:27)
// DATE		: April 6, 2007
// CODER	: Kurome (aucd29@gmail.com)
//
//
//
// --------------------------------------------------------
// NOTE : April 09, 2007
// --------------------------------------------------------
// * 7BIT UNICODE -> 7BIT ASCII -> UCS2 변경
//

#include "StdAfx.h"
#include "StringConvert.h"

// --------------------------------------------------------
// 7Bit Ascii Table 
// --+---+---+----+----+---+---+---+---+---+---+---+---+---
//   |   |   |    | B7 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |   
//   |   |   |    | B6 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |   
//   |   |   |    | B5 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |  
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// B4| B3| B2| B1 |    | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 0 | 0 | 0  | 0  | @ | Δ| SP| 0 | - | P |   |   |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 0 | 0 | 1  | 1  |   |   | ! | 1 | A | Q | a | p |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 0 | 1 | 0  | 2  | $ | Φ| " | 2 | B | R | b | q |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 0 | 1 | 1  | 3  |   | Γ| # | 3 | C | S | c | r |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 1 | 0 | 0  | 4  |   | Λ|   | 4 | D | T | d | s |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 1 | 0 | 1  | 5  |   | Ω| % | 5 | E | U | e | t |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 1 | 1 | 0  | 6  |   | Π| & | 6 | F | V | f | u |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 0 | 1 | 1 | 1  | 7  |   | Ψ| ' | 7 | G | W | g | v |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 0 | 0 | 0  | 8  |   | Σ| ( | 8 | H | X | h | w |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 0 | 0 | 1  | 9  |   | Θ| ) | 9 | I | Y | i | x |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 0 | 1 | 0  | 10 | LF| Ξ| * | : | J | Z | j | y |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 0 | 1 | 1  | 11 |   |   | + | ; | K |   | k | z |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 1 | 0 | 0  | 12 |   |   | , | < | L |   | l |   |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 1 | 0 | 1  | 13 | CR|   | - | = | M |   | m |   |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 1 | 1 | 0  | 14 |   | β| . | > | N |   | n |   |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
// 1 | 1 | 1 | 1  | 15 |   |   | / | ? | O |   | o |   |
// --+---+---+----+----+---+---+---+---+---+---+---+---+
//


CStringConvert::CStringConvert(void)
: m_bChanged(false)
{
	m_mapBinaryTable[L'0'] = 0x00;
	m_mapBinaryTable[L'1'] = 0x01;
	m_mapBinaryTable[L'2'] = 0x02;
	m_mapBinaryTable[L'3'] = 0x03;
	m_mapBinaryTable[L'4'] = 0x04;
	m_mapBinaryTable[L'5'] = 0x05;
	m_mapBinaryTable[L'6'] = 0x06;
	m_mapBinaryTable[L'7'] = 0x07;
	m_mapBinaryTable[L'8'] = 0x08;
	m_mapBinaryTable[L'9'] = 0x09;
	m_mapBinaryTable[L'A'] = 0x0A;
	m_mapBinaryTable[L'B'] = 0x0B;
	m_mapBinaryTable[L'C'] = 0x0C;
	m_mapBinaryTable[L'D'] = 0x0D;
	m_mapBinaryTable[L'E'] = 0x0E;
	m_mapBinaryTable[L'F'] = 0x0F;

	// 특수문자는 유니코드변환시 약간 번호가 다르니깐
	// 따로 값을 주고 나머진 바로 변환 가능하다.
	m_map7bitToUnicode[0x00] = L'@';
	m_map7bitToUnicode[0x02] = L'$';
	m_map7bitToUnicode[0x10] = L'Δ';
	m_map7bitToUnicode[0x12] = L'Φ';
	m_map7bitToUnicode[0x13] = L'Γ';
	m_map7bitToUnicode[0x14] = L'Λ';
	m_map7bitToUnicode[0x15] = L'Ω';
	m_map7bitToUnicode[0x16] = L'Π';
	m_map7bitToUnicode[0x17] = L'Ψ';
	m_map7bitToUnicode[0x18] = L'Σ';
	m_map7bitToUnicode[0x19] = L'Θ';
	m_map7bitToUnicode[0x1A] = L'Ξ';
	m_map7bitToUnicode[0x1E] = L'β';
}

CStringConvert::CStringConvert(CString szData)
: m_szText(szData)
{
	
}

CStringConvert::~CStringConvert(void)
{

}

void CStringConvert::Trace(void)
{
	TRACE(L"-----------------------------------------------------\n");
	TRACE(L"| CStringConvert									|\n");
	TRACE(L"-----------------------------------------------------\n");
	TRACE(m_szText + L"\n");
	TRACE(L"-----------------------------------------------------\n");
}

// Operator -----------------------------------------------------

void CStringConvert::operator = (CString szData)
{
	m_szText = szData;
}

CString CStringConvert::PC2SerialUnicode(void)
{
	// serial로 보낼 unicode형식에 string을 만들자.
	//
	CString szTemp = m_szText;
	wchar_t* pStr  = const_cast<wchar_t*>(static_cast<LPCTSTR>(szTemp));
	wchar_t wString[5] = {0};
	m_szText = L"";
	
	while (*pStr)
	{
		wsprintf(wString, L"%04x", *pStr);
		m_szText += wString;
		pStr++;
	}

	return m_szText;
}

CString CStringConvert::PC2Serial7Bit(void)
{
	// serial로 보낼 7bit 형식에 string을 만든다.
	//
	wchar_t* pStr = const_cast<wchar_t*>(static_cast<LPCTSTR>(m_szText));
	int nLength	  = m_szText.GetLength();
	int nIndex	  = 0;
	m_strText     = new unsigned char[nLength + 1];
	memset(m_strText, 0, nLength + 1);

	// 8bit style로 구성
	while (nLength--)
	{
		m_strText[nIndex] = IsSpecialCharacter(pStr);

		if (!m_bChanged)
		{
			m_strText[nIndex] = static_cast<char>(*pStr);
		}

		m_bChanged = false;
		++pStr;
		++nIndex;
	}

	// 7bit style로 구성
	list<unsigned char> m_listTemp;
	unsigned char cTemp = 0;
	unsigned char* pPrePosition;
	unsigned char* pThisPosition;
	int nShift = 0;
	
	nLength = m_szText.GetLength() + 1;
	pPrePosition = pThisPosition = m_strText;
	
	while (nLength--)
	{		
		cTemp			  = *pThisPosition;
		*pThisPosition  >>= nShift;
		cTemp		    <<= (8 - nShift);
		*pPrePosition    |= cTemp;

		if (++nShift == 8)
		{
			nShift = 0;
		}

		pPrePosition = pThisPosition;
		pThisPosition++;
	}

	nLength		  = m_szText.GetLength();
	pThisPosition = m_strText;
	CString szFormat;
	m_szText = L"";
	while (nLength--)
	{
		// 0 값은 제외 시키기 위해서
		if (*pThisPosition)
		{
			szFormat.Format(L"%02x", *pThisPosition);
			m_szText += szFormat;
		}
		pThisPosition++;
	}

	delete m_strText;
	return m_szText;
}

CString CStringConvert::Serial2PCUnicode(void)
{
	// serial로 받은 unicode 형식(0045) 에 string을 
	// 문자로 바꾸자
	//
	int nLen   = m_szText.GetLength();
	int nWord  = nLen / 4;
	int nFirst = 0, i = 0;
	long N;
	wchar_t szDumy[7] = {0};

	m_wstrText = new wchar_t[nWord + 1];
	memset(m_wstrText, 0, sizeof(wchar_t) * (nWord + 1));
	do 
	{
		wsprintf(szDumy, L"0x%s", m_szText.Mid(nFirst, 4));
		swscanf_s(szDumy, L"%x", &N);
		wsprintf(&m_wstrText[i++], L"%c", N);
		memset(szDumy, 0, sizeof(wchar_t) * 7);

		nFirst += 4;
	}
	while(--nWord);
	m_wstrText[i] = 0;
	m_szText.Format(L"%s", m_wstrText);
	delete m_wstrText;

	return m_szText;
}

CString CStringConvert::Serial2PC7Bit(void)
{
	// serial로 받은 7bit 문자를 일반 문자로
	// 바꾸자.

	// E8 : 11101000
	// 32 : 00110010
	// 9B : 10011011
	// FD : 11111101
	// 46 : 01000110
	// 97 : 10010111
	// D9 : 11011001
	// EC : 11101100
	// 37 : 110111

	// 1 1101000			7
	// 00 110010			6
	// 100 11011			5
	// 1111 1101			4
	// 01000 110			5
	// 100101 11			2
	// 1101100 1100101		1
	// 1 1101100
	// 11 0111

	// H 1101000
	// E 1100101
	// L 1101100
	// L 1101100
	// O 1101111
	// H 1101000
	// E 1100101
	// L 1101100
	// L 1101100
	// O 1101111

	// MFC에서는 좀 특수한 상황이라 -_ -;;
	// 영 ㅈㄹ같군...
	// 우선은 UNICODE 로 들어온 7BIT GSM 코드를
	// ASCII 로 변경하고 이후에 8BIT ASCII로 변경하고
	// 8BIT ASCII를 다시 -_ - UNICODE로 변경해야된다.. 
	// 한마디로... 미치겠다 -_-

	// wchar_t 로 type casting 했으니 이제 손쉽게 jump
	int nStrLength  = (m_szText.GetLength() / 2) + 1;	// terminate를 위해 + 1
	bool bFirst		= true;
	wchar_t* pPos   = const_cast<wchar_t*>(static_cast<LPCTSTR>(m_szText));		
	unsigned char* p7bitCode = new unsigned char[nStrLength];
	unsigned char* pJump = p7bitCode;
	memset(p7bitCode, 0, nStrLength);

	while(*pPos)
	{
		if (bFirst)
		{
			// left shift 4bit
			//TRACE(L"INDEX CODE :%c ", *pPos);
			//TRACE(L"RETURN VALUE : %x ", m_mapBinaryTable[*pPos]);
			*pJump = m_mapBinaryTable[*pPos] << 4;
			//TRACE(L"VALUE : %x\n", *pJump);
		}
		else
		{	
			//TRACE(L"INDEX CODE :%c ", *pPos);
			//TRACE(L"RETURN VALUE : %x ", m_mapBinaryTable[*pPos]);
			*pJump |= m_mapBinaryTable[*pPos];
			//TRACE(L"VALUE : %x\n", *pJump);
			pJump++;
		}
		pPos++;
		bFirst = !bFirst;
	}
	*pJump = 0;

	// 자 여기까지 7bit ascii 코드 완성
	// 이제부턴 8bit ascii 코드를 맹글어야 하는데 말이지...

	// jump code를 초기화 시키고
	pJump = p7bitCode;
	unsigned char pTemp = 0, pTemp2 = 0;
	int nShift = 7;
	list<unsigned char> listTempCharacter;
	while (*pJump)
	{
		// copy data
		//pTemp  = *pJump;						// E8 : 1110 1000, 32 : 0011 0010
		pTemp    = *pJump >> nShift;			// E8 : 0000 0001, 32 : 0000 0000
		*pJump <<= (8 - nShift);				// E8 : 1101 0000, 32 : 1100 1000
		*pJump >>= 1;							// E8 : 0110 1000, 32 : 0011 0010
		*pJump  |= pTemp2;						//      0110 1000, 32 : 0011 0011
		
		listTempCharacter.push_back(*pJump);
		pJump++;
		
		if (--nShift == 0)
		{
			nShift = 7;
			listTempCharacter.push_back(pTemp);
			pTemp2 = 0;
		}
		else
		{
			pTemp2 = pTemp;						// E8 : 0000 0001
		}
	}	
	delete p7bitCode;

	list<unsigned char>::iterator it;
	nStrLength = static_cast<int>(listTempCharacter.size());
	it		   = listTempCharacter.begin();

	wchar_t wTemp;
	while (nStrLength--)
	{
		// 해당 테이블에 값이 있으면 그 값을 넣어주고
		// 없다면 casting 한다.
		if (wTemp = m_map7bitToUnicode[*it])
		{
			m_szText.AppendChar(wTemp);
		}
		else
		{
			m_szText.AppendChar(static_cast<wchar_t>(*it));
		}

		it++;
	}

	return m_szText;
}

void CStringConvert::UniToChar(char* pStr, int nLen)
{
	memset(pStr, 0, nLen);
	WideCharToMultiByte(CP_ACP, 0, m_szText, -1, pStr, nLen, NULL, NULL);
}

void CStringConvert::CharToUni(char* szSrc)
{
	int nLen = static_cast<int>(strlen(szSrc));
	wchar_t* m_wstrText = new wchar_t[nLen];

	memset(m_wstrText, 0, sizeof(wchar_t) * nLen);
	MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szSrc, nLen, m_wstrText, nLen);
	m_szText.Format(L"%s", szSrc);

	delete m_wstrText;
}

unsigned char CStringConvert::IsSpecialCharacter(wchar_t* pwCharacter)
{
	map<unsigned char, wchar_t>::iterator it = m_map7bitToUnicode.begin();
	int nLength = static_cast<int>(m_map7bitToUnicode.size());

	while (nLength--)
	{
		if (it->second == *pwCharacter)
		{
			m_bChanged = true;
			return it->first;
		}

		it++;
	}

	return false;
}


#pragma once

#include <map>
#include <list>
using namespace std;

class CStringConvert
{
protected:
	CString m_szText;
	unsigned char* m_strText;
	wchar_t* m_wstrText;
	bool m_bStr, m_bWstr, m_bChanged;

	// 다소 부하가 있지만... 그렇다고
	// 더 나은 방법이 있는것도 아닌것이..
	map<wchar_t, unsigned char> m_mapBinaryTable;
	map<unsigned char, wchar_t> m_map7bitToUnicode;		// 어차피 난 출력은 unicode를 써야잖아.

public:
	CStringConvert(void);
	CStringConvert(CString szData);
	~CStringConvert(void);
	void Trace(void);

	// operator
	void operator = (CString szData);

	CString PC2SerialUnicode(void);
	CString PC2Serial7Bit(void);
	CString Serial2PCUnicode(void);
	CString Serial2PC7Bit(void);
	void UniToChar(char* pStr, int nLen);
	void CharToUni(char* szSrc);
	unsigned char IsSpecialCharacter(wchar_t* pwCharacter);
};
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coder : aucd29, twitter : @aucd29
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