base64filedlg.cpp

Base64编码算法, 可以分别对字符串和文件进行编码/解码,带进度条, 内含VC++6.0源码

// Base64FileDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Base64Proj.h"
#include "Base64FileDlg.h"

#include "Base64ProjDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CBase64FileDlg dialog


CBase64FileDlg::CBase64FileDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBase64FileDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBase64FileDlg)
	//}}AFX_DATA_INIT
}


void CBase64FileDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBase64FileDlg)
	DDX_Control(pDX, IDC_PROGRESS, m_Pos);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CBase64FileDlg, CDialog)
	//{{AFX_MSG_MAP(CBase64FileDlg)
	ON_BN_CLICKED(IDC_BTN_INPUT, OnBtnInput)
	ON_BN_CLICKED(IDC_BTN_OUTPUT, OnBtnOutput)
	ON_BN_CLICKED(IDC_BTN_START, OnBtnStart)
	ON_WM_DROPFILES()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBase64FileDlg message handlers

void CBase64FileDlg::OnBtnInput() 
{
	FileDlg fdlg;
	vector<string> Files = fdlg.GetOpenFileName(m_hWnd);
	if(Files.size() > 0)
		SetDlgItemText(IDC_EDIT_INPUT, Files[0].c_str());
}

void CBase64FileDlg::OnBtnOutput() 
{
	FileDlg fdlg;
	string strFileName = fdlg.GetSaveFileName(m_hWnd, true);
	if(!strFileName.empty())
		SetDlgItemText(IDC_EDIT_OUTPUT, strFileName.c_str());
}

void CBase64FileDlg::OnBtnStart() 
{
	CString strButton;
	GetDlgItemText(IDC_BTN_START, strButton);
	if(strButton == "停止(&S)")
	{
		SetDlgItemText(IDC_BTN_START, "开始(&S)");
		KillTimer(1);
		SetDlgItemText(IDC_STATIC_PROCESS, "处理进度");

		// 加密
		if(((CBase64ProjDlg*)AfxGetMainWnd())->IsEncode())
			m_Base64Ex.EncodeTerminate();
		// 解密
		else
			m_Base64Ex.DecodeTerminate();

		return ;
	}

	CString InFileName;
	CString OutFileName;

	GetDlgItemText(IDC_EDIT_INPUT, InFileName);
	GetDlgItemText(IDC_EDIT_OUTPUT, OutFileName);

	if(InFileName.IsEmpty())
	{
		AfxMessageBox("请指定输入文件名称!");
		return ;
	}
	else if(OutFileName.IsEmpty())
	{
		AfxMessageBox("请指定输出文件名称!");
		return ;	
	}

	SetDlgItemText(IDC_BTN_START, "停止(&S)");
	m_Pos.SetPos(0);

	void* proc		= m_Thunk.Stdcall(this, Thunk::GetMemberFxnAddr(&CBase64FileDlg::ThreadProc));
    HANDLE hThread	= CreateThread( 0, 0, (LPTHREAD_START_ROUTINE)proc, 0, 0, 0);
	CloseHandle(hThread);

}

void CBase64FileDlg::OnProcess(int nProgress)
{
	m_Pos.SetPos(nProgress);
}

DWORD CBase64FileDlg::ThreadProc( LPVOID lpParameter )
{
	CString InFileName;
	CString OutFileName;

	GetDlgItemText(IDC_EDIT_INPUT, InFileName);
	GetDlgItemText(IDC_EDIT_OUTPUT, OutFileName);

	// 加密
	if(((CBase64ProjDlg*)AfxGetMainWnd())->IsEncode())
	{
		MemberFxn ProcessAddr(this, &CBase64FileDlg::OnProcess);
		if(m_Base64Ex.FileEncode(InFileName, OutFileName, ProcessAddr))
		{
			AfxMessageBox("加密成功完成!");
			m_Pos.SetPos(0);
		}
		else
		{
			SetDlgItemText(IDC_BTN_START, "开始(&S)");
			string strErr = m_Base64Ex.GetEncodeError();
			if(!strErr.empty())
				AfxMessageBox(strErr.c_str());
		}
		SetDlgItemText(IDC_BTN_START, "开始(&S)");
	}

	// 解密
	else
	{
		MemberFxn ProcessAddr(this, &CBase64FileDlg::OnProcess);
		if(m_Base64Ex.FileDecode(InFileName, OutFileName, ProcessAddr))
		{
			AfxMessageBox("解密成功完成!");
			m_Pos.SetPos(0);
		}
		else
		{
			SetDlgItemText(IDC_BTN_START, "开始(&S)");

			string strErr = m_Base64Ex.GetDecodeError();
			if(!strErr.empty())
				AfxMessageBox(strErr.c_str());
		}
		SetDlgItemText(IDC_BTN_START, "开始(&S)");
	}

	return 0;
}
void CBase64FileDlg::OnDropFiles(HDROP hDropInfo) 
{
	// TODO: Add your message handler code here and/or call default

	SetDlgItemText(IDC_EDIT_INPUT, "");

	int nFiles = ::DragQueryFile(hDropInfo, 0xFFFFFFFF, NULL, NULL);
	if(nFiles > 0)
	{
		char buf[MAX_PATH] = { 0 };
		memset(buf, 0, MAX_PATH);
		::DragQueryFile(hDropInfo, 0, buf, sizeof(buf));

//		if(GetFileAttributes(buf) == FILE_ATTRIBUTE_DIRECTORY)
//			SetDlgItemText(IDC_EDIT_INPUT, "");
//		else
//			SetDlgItemText(IDC_EDIT_INPUT, buf);

		WIN32_FIND_DATA data;
		HANDLE hFile = ::FindFirstFile(buf, &data);
		if(hFile == INVALID_HANDLE_VALUE) 
			return ;

		CloseHandle(hFile);

		if(data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
			return ;

		SetDlgItemText(IDC_EDIT_INPUT, buf);
	}

	CDialog::OnDropFiles(hDropInfo);
}

BOOL CBase64FileDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	::DragAcceptFiles(m_hWnd, true);

	return TRUE;
}