sdbmsdemodoc.cpp

使用yacc的一个例子

// SdbmsDemoDoc.cpp : implementation of the CSdbmsDemoDoc class
//

#include "stdafx.h"
#include "SdbmsDemo.h"

#include "SdbmsDemoDoc.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSdbmsDemoDoc

IMPLEMENT_DYNCREATE(CSdbmsDemoDoc, CDocument)

BEGIN_MESSAGE_MAP(CSdbmsDemoDoc, CDocument)
	//{{AFX_MSG_MAP(CSdbmsDemoDoc)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSdbmsDemoDoc construction/destruction

#pragma warning(disable:4355)
CSdbmsDemoDoc::CSdbmsDemoDoc() : m_xTextBuffer(this)
{
	// TODO: add one-time construction code here

}

CSdbmsDemoDoc::~CSdbmsDemoDoc()
{
}

BOOL CSdbmsDemoDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)
//	m_xTextBuffer.FreeAll();
	m_xTextBuffer.InitNew();

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CSdbmsDemoDoc serialization

void CSdbmsDemoDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CSdbmsDemoDoc diagnostics

#ifdef _DEBUG
void CSdbmsDemoDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CSdbmsDemoDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CSdbmsDemoDoc commands

BOOL CSdbmsDemoDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
	if (!CDocument::OnOpenDocument(lpszPathName))
		return FALSE;
	
	// TODO: Add your specialized creation code here
	m_xTextBuffer.FreeAll();
	return m_xTextBuffer.LoadFromFile(lpszPathName);	
//	return TRUE;
}

void CSdbmsDemoDoc::OnCloseDocument() 
{
	// TODO: Add your specialized code here and/or call the base class
	m_xTextBuffer.FreeAll();
	
	CDocument::OnCloseDocument();
}

BOOL CSdbmsDemoDoc::OnSaveDocument(LPCTSTR lpszPathName) 
{
	// TODO: Add your specialized code here and/or call the base class
	m_xTextBuffer.SaveToFile(lpszPathName);
	return	TRUE;	
//	return CDocument::OnSaveDocument(lpszPathName);
}

void CSdbmsDemoDoc::SetModifiedFlag(BOOL bModified/*=TRUE*/)
{
	CString strTitle = GetTitle();
	CString strDirtyFlag = "*";
	if	(!IsModified() && bModified)
		SetTitle(strTitle + strDirtyFlag);
	else if	(IsModified() && !bModified)
	{
		int nTitleLength = strTitle.GetLength();
		int nDirtyLength = strDirtyFlag.GetLength();
		SetTitle(strTitle.Left(nTitleLength - nDirtyLength));
	}

	CDocument::SetModifiedFlag(bModified);
}


void CSdbmsDemoDoc::DeleteContents() 
{
	// TODO: Add your specialized code here and/or call the base class
	CDocument::DeleteContents();
	m_xTextBuffer.FreeAll();
}