bch_coding.cpp

bch 编码的源代码 用vc写的 供大家参考使用

// BCH_Coding.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "BCH_Coding.h"

#include "MainFrm.h"
#include "ChildFrm.h"
#include "BCH_CodingDoc.h"
#include "BCH_CodingView.h"

#include "BCH_CodedFrm.h"
#include "BCH_CodedView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBCH_CodingApp

BEGIN_MESSAGE_MAP(CBCH_CodingApp, CWinApp)
	//{{AFX_MSG_MAP(CBCH_CodingApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_BCH_encode_15_7, OnBCHencode15_7)
	//}}AFX_MSG_MAP
	// Standard file based document commands
	ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
	ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBCH_CodingApp construction

CBCH_CodingApp::CBCH_CodingApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CBCH_CodingApp object

CBCH_CodingApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CBCH_CodingApp initialization

BOOL CBCH_CodingApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CMultiDocTemplate* pDocTemplate;
	pDocTemplate = new CMultiDocTemplate(
		IDR_BCH_COTYPE,
		RUNTIME_CLASS(CBCH_CodingDoc),
		RUNTIME_CLASS(CChildFrame), // custom MDI child frame
		RUNTIME_CLASS(CBCH_CodingView));
	AddDocTemplate(pDocTemplate);

	CMultiDocTemplate* pDocTemplate_Coded;
	pDocTemplate_Coded = new CMultiDocTemplate(
		IDR_BCH_CODEDTYPE,
		RUNTIME_CLASS(CBCH_CodingDoc),
		RUNTIME_CLASS(BCH_CodedFrm),
		RUNTIME_CLASS(BCH_CodedView));
	AddDocTemplate(pDocTemplate_Coded);

	// create main MDI Frame window
	CMainFrame* pMainFrame = new CMainFrame;
	if (!pMainFrame->LoadFrame(IDR_MAINFRAME))
		return FALSE;
	m_pMainWnd = pMainFrame;

	// Parse command line for standard shell commands, DDE, file open
//	CCommandLineInfo cmdInfo;
//	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
//	if (!ProcessShellCommand(cmdInfo))
//		return FALSE;

	// The main window has been initialized, so show and update it.
	pMainFrame->ShowWindow(m_nCmdShow);
	pMainFrame->UpdateWindow();
	IsFileOpen = FALSE;
	IsFileCoded = FALSE;
	return TRUE;
}


/////////////////////////////////////////////////////////////////////////////
// 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)
		// No message handlers
	//}}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()

// App command to run the dialog
void CBCH_CodingApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CBCH_CodingApp message handlers


void CBCH_CodingApp::OnFileOpen() 
{
	TCHAR szFilter[] = _T("预编码文件(*.txt)|*.txt|");
	CFileDialog fileDlg(TRUE, NULL, NULL, OFN_PATHMUSTEXIST, szFilter,NULL);
	
	if (fileDlg.DoModal() == IDOK )			//确定打开一个文件
	{
		//确定文件存在
		CString fn = fileDlg.GetFileName();			
		CFileFind ff;
		if (!ff.FindFile(fn))
		{
			AfxMessageBox("文件不存在！");
			return;
		}
		//通过模板指针打开窗口，并使窗口计数器加1；
		POSITION pos = GetFirstDocTemplatePosition();		
		CDocTemplate* curTemplate = GetNextDocTemplate(pos);
		curTemplate->OpenDocumentFile(NULL);
		m_WndNum++;
		//得到当前活动窗口的窗口、文档、视图指针,并记录源图的文档m_OriDoc
		CMDIChildWnd* active_wnd;
		active_wnd = ((CMDIFrameWnd*)AfxGetMainWnd())->MDIGetActive();
		CBCH_CodingView* active_view = (CBCH_CodingView*)active_wnd->GetActiveView();
		CBCH_CodingDoc* doc = (CBCH_CodingDoc*)active_wnd->GetActiveDocument();

		POSITION pos_doc = curTemplate->GetFirstDocPosition();
		m_OriDoc = (CBCH_CodingDoc*) curTemplate->GetNextDoc(pos_doc);

		m_OriDoc->file_name = fileDlg.GetFileName();
		CFile f(m_OriDoc->file_name, CFile::modeRead);
		m_OriDoc->file_size = f.GetLength();
		//存储文件中的数据
		uint8_t data_buffer[1];
		while (f.Read(data_buffer, 1) != 0)
			m_OriDoc->LFileData.AddTail(data_buffer[0]);
		f.Close();
		doc->SetTitle(_T("未编码的文件数据信息") + doc->file_name);
		active_view->UpdateScrollSizes();
		IsFileOpen = TRUE;
	}	
}

void CBCH_CodingApp::OnBCHencode15_7() 
{
	POSITION CurTemplatePos = GetFirstDocTemplatePosition();
	while (CurTemplatePos != NULL)
	{
		CDocTemplate* CurTemplate = GetNextDocTemplate(CurTemplatePos);
		CString str;
		CurTemplate->GetDocString(str, CDocTemplate::docName);
		if (str == _T("BCH_Coded"))
		{
			CurTemplate->OpenDocumentFile(NULL);
			POSITION pos = CurTemplate->GetFirstDocPosition();
			CBCH_CodingDoc*	doc = (CBCH_CodingDoc*)CurTemplate->GetNextDoc(pos);
			pos = doc->GetFirstViewPosition();
			CView* view = doc->GetNextView(pos);
			CFrameWnd* frame = view->GetParentFrame();
			frame->ShowWindow(TRUE);
			frame->ActivateFrame();
			doc->encode_file();
			IsFileCoded = TRUE;
			return;
		}
	}
	AfxMessageBox(IDS_NOBCHCodedTEMPLATE);
}