lancodeconverterdlg.cpp

可以实现UNICODE,UTF8,GB2312,以及BIG5之间的互相转换。同时还提供16进制查看

// LancodeConverterDlg.cpp : implementation file
//

#include "stdafx.h"
#include "LancodeConverter.h"
#include "LancodeConverterDlg.h"
#include <sys/stat.h> 
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLanCodeConverterDlg dialog

CLanCodeConverterDlg::CLanCodeConverterDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLanCodeConverterDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLanCodeConverterDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CLanCodeConverterDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLanCodeConverterDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CLanCodeConverterDlg, CDialog)
	//{{AFX_MSG_MAP(CLanCodeConverterDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_DO, OnButtonDo)
	ON_EN_SETFOCUS(IDC_SOURCE, OnSetfocusSource)
	ON_EN_SETFOCUS(IDC_SOURCE_HEX, OnSetfocusSourceHex)
	ON_BN_CLICKED(IDC_BUTTON_CLEAR, OnButtonClear)
	ON_BN_CLICKED(IDC_BUTTON_DO_FILE, OnButtonDoFile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLanCodeConverterDlg message handlers

BOOL CLanCodeConverterDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here	
	CString dlg_title_str;
	dlg_title_str.LoadString(IDS_STRING_VERSION);
	dlg_title_str="GB2312,BIG5,Unicode,UTF8 Mutual Converter"+dlg_title_str;
	SetWindowText(dlg_title_str);

	CheckRadioButton(IDC_RADIO_UNICODE,IDC_RADIO_UTF8,IDC_RADIO_UTF8);
	CheckRadioButton(IDC_RADIO_TEXT,IDC_RADIO_HEX,IDC_RADIO_TEXT);
	CheckRadioButton(IDC_RADIO_G_TO_U,IDC_RADIO_UTF8_TO_UNICODE,IDC_RADIO_G_TO_U);
//	BOOL IsEnableSrcTxt =(GetCheckedRadioButton(IDC_RADIO_TEXT,IDC_RADIO_HEX)==IDC_RADIO_TEXT);
	
//	(CEdit*)GetDlgItem(IDC_SOURCE)->EnableWindow(IsEnableSrcTxt);
//	(CEdit*)GetDlgItem(IDC_SOURCE_HEX)->EnableWindow(!IsEnableSrcTxt);


	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CLanCodeConverterDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CLanCodeConverterDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CLanCodeConverterDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

typedef enum
{
	MY_Unicode =0,
	MY_GB2312=936,
	MY_BIG5 = 950,	
	MY_UTF8=CP_UTF8,	
}ENCODE_Type_t;

/**Convert Unicode to GB, BIG5 or UTF8*/
DWORD Unicode_To_xxx(ENCODE_Type_t encoding,LPCWSTR unicode_buf,long unicode_len, char* xxx_buf,long* xxx_len )
{
	if(encoding==MY_Unicode)
	{
		long copy_len = min(*xxx_len,unicode_len*2);
		memcpy(xxx_buf,unicode_buf,copy_len);
		*(LPWSTR)(xxx_buf+copy_len) = 0;
		*xxx_len = copy_len;
		return 0;
	}
	*xxx_len = WideCharToMultiByte(encoding,0,unicode_buf,unicode_len,xxx_buf,*xxx_len,NULL,NULL);
	if(*xxx_len==0){
		return GetLastError();
	}
	xxx_buf[*xxx_len] = 0;
	return 0;
}

DWORD xxx_To_Unicode(ENCODE_Type_t encoding,const char* xxx_buf,long xxx_len,LPWSTR unicode_buf,long* unicode_len)
{
	if(encoding==MY_Unicode)
	{
		long copy_len=min((*unicode_len)*2,xxx_len);
		memcpy(unicode_buf,xxx_buf,copy_len);
		unicode_buf[copy_len/2]=0;
		*unicode_len = copy_len/2;
		return 0;
		
	}
	*unicode_len=MultiByteToWideChar(encoding, 0, xxx_buf, xxx_len, unicode_buf, *unicode_len);
	if(*unicode_len==0)
	{
		return GetLastError();
	}
	unicode_buf[*unicode_len]=0;
	return 0;
}

void ConvertTextToHex(const char* src,long src_len,CString& des)
{
	int i=0;
	CString temp_str;
	des="";
	for(i=0;i<src_len;i++)
	{
		temp_str.Format("0x%.2X,",(unsigned char)src[i]);
		des+=temp_str;
	}
}
/*	Assume the des buf is enough	*/
long ConverHexToText(const char* src,char* des)
{
	int i=0;int j=0;
	long len=strlen(src);
	unsigned char temp=0;
	for(i=0;i<len;i+=5,temp=0)
	{		
		sscanf(src+i,"0x%2X",&temp);
		des[j++]=temp;
	}
	des[j]=0;
	return j;
}


void CLanCodeConverterDlg::OnButtonDo() 
{
	// TODO: Add your control notification handler code here
	CEdit* pSrc=(CEdit*)GetDlgItem(IDC_SOURCE);
	CEdit* pSrcHex=(CEdit*)GetDlgItem(IDC_SOURCE_HEX);
	

	CEdit* pDest=(CEdit*)GetDlgItem(IDC_DESTINATION);
	CEdit* pDestHex=(CEdit*)GetDlgItem(IDC_DESTINATION_HEX);
	CEdit* pWhichSrc=NULL;

	LPWSTR Unicode_buf=NULL;
	long unicode_len;

	char* des_str=NULL;
	long des_length=0;
	
	char* src_str =NULL;
	long src_length =0;

	
	BOOL IsTextSource = (GetCheckedRadioButton(IDC_RADIO_TEXT,IDC_RADIO_HEX)==IDC_RADIO_TEXT);
	if(IsTextSource)
	{	
		pWhichSrc = pSrc;
	}
	else
	{
		pWhichSrc = pSrcHex;
	}
	

	{	
		CString src_string;
		pWhichSrc->GetWindowText(src_string);
		src_length = src_string.GetLength();
		src_str =(char*)malloc(src_length+1);
		memset(src_str,0x00,src_length+1);
		if(IsTextSource)
		{			
			strncpy(src_str,src_string,src_length);
			src_str[src_length] = 0;
		}
		else
		{				
			src_length = ConverHexToText(src_string.GetBuffer(0),src_str);
		}
	}
	unicode_len = src_length+1;
	Unicode_buf = (LPWSTR)malloc(unicode_len* sizeof(WCHAR));
	memset(Unicode_buf,0x00,unicode_len* sizeof(WCHAR));
	des_length = src_length*3+1;
	des_str=(char*)malloc(des_length);
	memset(des_str,0x00,des_length);
	int ConvertManner=GetCheckedRadioButton(IDC_RADIO_G_TO_U,IDC_RADIO_UTF8_TO_UNICODE);
	ENCODE_Type_t encode_array[2] = {MY_Unicode,MY_Unicode};
	ENCODE_Type_t UnicodeOrUTF8=(GetCheckedRadioButton(IDC_RADIO_UNICODE,IDC_RADIO_UTF8)==IDC_RADIO_UNICODE)?MY_Unicode:MY_UTF8;
	switch(ConvertManner)
	{
		case IDC_RADIO_G_TO_U:
			encode_array[0]=MY_GB2312;		
			encode_array[1]=UnicodeOrUTF8;			
			break;
		case IDC_RADIO_U_TO_G:
			encode_array[0]=UnicodeOrUTF8;
			encode_array[1]=MY_GB2312;
			break;
		case IDC_RADIO_B_TO_U:
			encode_array[0]=MY_BIG5;
			encode_array[1]=UnicodeOrUTF8;		
			break;
		case IDC_RADIO_U_TO_B:
			encode_array[0]=UnicodeOrUTF8;
			encode_array[1]=MY_BIG5;
			break;
		case IDC_RADIO_UNICODE_TO_UTF8:
			encode_array[0]=MY_Unicode;
			encode_array[1]=MY_UTF8;
			break;
		case IDC_RADIO_UTF8_TO_UNICODE:
			encode_array[0]=MY_UTF8;
			encode_array[1]=MY_Unicode;
			break;
		default:
			CString info;
			info.Format("Application Error:%s(LINE:%d)",__FILE__,__LINE__);
			MessageBox(info,"ERROR",MB_OK);
			break;
	}
	
		xxx_To_Unicode(encode_array[0],src_str,src_length,Unicode_buf,&unicode_len);
		Unicode_To_xxx(encode_array[1],Unicode_buf,unicode_len,des_str,&des_length);
		pDest->SetWindowText(des_str);

	CString hex_string;
	
	if(IsTextSource==TRUE)
	{	
		ConvertTextToHex(src_str,src_length,hex_string);
		pSrcHex->SetWindowText(hex_string);
	}
	else
	{
		pSrc->SetWindowText(src_str);
	}

	ConvertTextToHex(des_str,des_length,hex_string);
	pDestHex->SetWindowText(hex_string);
	if(Unicode_buf)
	{
		free(Unicode_buf);
	}
	if(src_str)
	{
		free(src_str);
	}
	if(des_str)
	{
		free(des_str);
	}
}

void CLanCodeConverterDlg::OnSetfocusSource() 
{
	// TODO: Add your control notification handler code here
	CheckRadioButton(IDC_RADIO_TEXT, IDC_RADIO_HEX,IDC_RADIO_TEXT); 
}

void CLanCodeConverterDlg::OnSetfocusSourceHex() 
{
	// TODO: Add your control notification handler code here
	CheckRadioButton(IDC_RADIO_TEXT, IDC_RADIO_HEX,IDC_RADIO_HEX);
}

void CLanCodeConverterDlg::OnButtonClear() 
{
	// TODO: Add your control notification handler code here
	((CEdit*)GetDlgItem(IDC_SOURCE))->SetWindowText("");
	((CEdit*)GetDlgItem(IDC_SOURCE_HEX))->SetWindowText("");
	((CEdit*)GetDlgItem(IDC_DESTINATION))->SetWindowText("");
	((CEdit*)GetDlgItem(IDC_DESTINATION_HEX))->SetWindowText("");
}

void CLanCodeConverterDlg::OnButtonDoFile() 
{
	// TODO: Add your control notification handler code here
	CString src_file_name;
	CString dst_file_name;
	
	struct stat src_stat;
	FILE* src_fp = NULL;
	FILE* dst_fp = NULL;
	
	char* src_buf = NULL;
	char* dst_buf = NULL;
	long des_buf_len = 0;

	LPWSTR Unicode_buf = NULL;
	long unicode_len = 0;

	int ConvertManner;
	ENCODE_Type_t encode_array[2] = {MY_Unicode,MY_Unicode};
	ENCODE_Type_t UnicodeOrUTF8;

	GetDlgItem(IDC_EDIT_SOURCE_FILE)->GetWindowText(src_file_name);
	GetDlgItem(IDC_EDIT_DEST_FILE)->GetWindowText(dst_file_name);
	
	src_fp = fopen(src_file_name,"rb");
	if(!src_fp)
	{
		MessageBox("Error happend when opening "+src_file_name);
		goto MYERROR;
	}
	
	dst_fp = fopen(dst_file_name,"wb");
	if(!dst_fp)
	{
		MessageBox("Error happend when creating "+dst_file_name);
		goto MYERROR;
	}
	if(stat(src_file_name,&src_stat)!=0)
	{
		MessageBox("Error happend when state "+src_file_name);
		goto MYERROR;
	}
	
	src_buf = (char*)malloc(src_stat.st_size);
	if(!src_buf)
	{
		MessageBox("Error happend when malloc buffer for file "+src_file_name+" perhaps the file size is too large");
		goto MYERROR;
	}
	
	if(fread(src_buf,src_stat.st_size,1,src_fp)<0)
	{
		MessageBox("Error happend when read " + src_file_name);
		goto MYERROR;
	}

	unicode_len = src_stat.st_size+1;
	Unicode_buf = (LPWSTR)malloc(unicode_len * sizeof(WCHAR));

	des_buf_len = src_stat.st_size*3+1;
	dst_buf = (char*)malloc(des_buf_len);
	if(!dst_buf)
	{
		CString info;
		info.Format("Malloc failed for %dKBytes",des_buf_len);
		goto MYERROR;
	}
	ConvertManner=GetCheckedRadioButton(IDC_RADIO_G_TO_U,IDC_RADIO_UTF8_TO_UNICODE);

	UnicodeOrUTF8=(GetCheckedRadioButton(IDC_RADIO_UNICODE,IDC_RADIO_UTF8)==IDC_RADIO_UNICODE)?MY_Unicode:MY_UTF8;


	switch(ConvertManner)
	{
		case IDC_RADIO_G_TO_U:
			encode_array[0]=MY_GB2312;		
			encode_array[1]=UnicodeOrUTF8;			
			break;
		case IDC_RADIO_U_TO_G:
			encode_array[0]=UnicodeOrUTF8;
			encode_array[1]=MY_GB2312;
			break;
		case IDC_RADIO_B_TO_U:
			encode_array[0]=MY_BIG5;
			encode_array[1]=UnicodeOrUTF8;		
			break;
		case IDC_RADIO_U_TO_B:
			encode_array[0]=UnicodeOrUTF8;
			encode_array[1]=MY_BIG5;
			break;
		case IDC_RADIO_UNICODE_TO_UTF8:
			encode_array[0]=MY_Unicode;
			encode_array[1]=MY_UTF8;
			break;
		case IDC_RADIO_UTF8_TO_UNICODE:
			encode_array[0]=MY_UTF8;
			encode_array[1]=MY_Unicode;
			break;
		default:
			CString info;
			info.Format("Application Error:%s(LINE:%d)",__FILE__,__LINE__);
			MessageBox(info,"ERROR",MB_OK);
			break;
	}
	
		xxx_To_Unicode(encode_array[0],src_buf,src_stat.st_size,Unicode_buf,&unicode_len);
		Unicode_To_xxx(encode_array[1],Unicode_buf,unicode_len,dst_buf,&des_buf_len);

		fwrite(dst_buf,des_buf_len,1,dst_fp);
		MessageBox("Convert Completed!");
MYERROR:
		if(src_fp)
		{
			fclose(src_fp);
		}
		if(dst_fp)
		{		
			fclose(dst_fp);
		}
		if(src_buf)
		{
			free(src_buf);
		}
		if(dst_buf)
		{
			free(dst_buf);
		}
		if(Unicode_buf)
		{
			free(Unicode_buf);
		}
}