ideview.cpp

一个非常好的词法分析程序,加上语法的分析是一个难得一见的好实例

void CIDEView::OnChange() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CEditView::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	CIDEDoc *pDoc=GetDocument();
	CString str;

	pDoc->SetModifiedFlag(1);
	str=pDoc->GetTitle();
	if(str.Right(1)!="*")
	{
		str=str+"*";
		pDoc->SetTitle(str);
	}

	PaintLeft();
}

//画左边的显示条
void CIDEView::PaintLeft()
{
	CBrush brushb(RGB(245,245,230));
	CDC* hdc;
	hdc=GetWindowDC();
	CRect rect;
	GetClientRect(&rect);
	hdc->FillRect (CRect(rect.left+2,rect.top+2,rect.left+m_LineHeight+7,rect.Height()+2),&brushb);//画底色
	brushb.DeleteObject();

	int nFirstVisible=m_pEdit->GetFirstVisibleLine();//得到当前显示的最上端的行号

	CBrush OrigBrush,brushf(RGB(255,0,0));
	CBrush *oldBrush=(CBrush*)hdc->SelectObject(brushf);
	OrigBrush.FromHandle((HBRUSH)oldBrush);

	hdc->SelectObject(&OrigBrush);
	OrigBrush.DeleteObject();
	brushf.DeleteObject();
}

void CIDEView::OnPaint() 
{
	// TODO: Add your message handler code here
	CEditView::OnPaint();

	PaintLeft();
	// Do not call CEditView::OnPaint() for painting messages
}

void CIDEView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	PaintLeft();

	switch(nChar)
	{
	case VK_UP:
		m_nCurLn=m_nCurLn>0?m_nCurLn-1:0;
		break;

	case VK_DOWN:
		m_nCurLn=m_nCurLn+1;
		break;

	case VK_LEFT:
	case VK_BACK:
		m_nCurCol=m_nCurCol>0?m_nCurCol-1:0;
		break;

	case VK_SPACE:
	case VK_RIGHT:
		m_nCurCol=m_nCurCol+1;
		break;

	case VK_RETURN:
		m_nCurLn+=1;
		m_nCurCol=0;
		break;

	case VK_ESCAPE:
		m_pMainFrame->ShowControlBar(m_pwndOutBar,0,1);
		break;

	case VK_TAB:
		m_nCurCol+=8;
		break;
	}

	DisplayLnCol();

	CEditView::OnKeyDown(nChar, nRepCnt, nFlags);
}

void CIDEView::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	PaintLeft();

	CEditView::OnKeyUp(nChar, nRepCnt, nFlags);
}

void CIDEView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	PaintLeft();

	CString str;
	int nChar=m_pEdit->CharFromPos(point);

	m_nCurLn=HIWORD(nChar);
	m_nCurCol=LOWORD(nChar);
	str.Format("行:%d,列:%d",m_nCurLn,m_nCurCol);	
	m_pwndStatusBar->SetPaneText(1,str,1);

	CEditView::OnLButtonDown(nFlags, point);
}

void CIDEView::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	PaintLeft();

	CEditView::OnLButtonUp(nFlags, point);
}

void CIDEView::OnLButtonDblClk(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	PaintLeft();

	CEditView::OnLButtonDblClk(nFlags, point);
}

void CIDEView::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	PaintLeft();

	CEditView::OnMouseMove(nFlags, point);
}

void CIDEView::DisplayCodeInfo()
{
	TREENODE_LPV tnlpvTemp;
	TREE_FILE trfTemp;
	CString strFile=m_pIDEDoc->GetPathName();
	int nLen=m_vectorSymbol.size();
	CString strCode;
	int i;

	//-----------删掉相同的信息-----------
	HTREEITEM hFindRoot=m_pTreeCtrl->GetRootItem();

	while(hFindRoot)
	{
		if(m_pTreeCtrl->GetItemText(hFindRoot)==strFile)
			m_pTreeCtrl->DeleteItem(hFindRoot);

		hFindRoot=m_pTreeCtrl->GetNextItem(hFindRoot,TVGN_NEXT);
	}

	m_vectorTreeNode_Lpv.clear();
	//------------------------------------

	GetWindowText(strCode);

	HTREEITEM hRoot=m_pTreeCtrl->InsertItem(strFile,0,0);
	HTREEITEM hKeyWordSubRoot=m_pTreeCtrl->InsertItem("关键字",hRoot,0);
	HTREEITEM hIdSubRoot=m_pTreeCtrl->InsertItem("变量",hRoot,0);
	HTREEITEM hConstSubRoot=m_pTreeCtrl->InsertItem("常量",hRoot,0);
	HTREEITEM hOprSymSubRoot=m_pTreeCtrl->InsertItem("运算符",hRoot,0);
	HTREEITEM hBndSymSubRoot=m_pTreeCtrl->InsertItem("界符",hRoot,0);
	HTREEITEM hIllegalCharSubRoot=m_pTreeCtrl->InsertItem("非法字符",hRoot,0);

	bool bKeyWord=0;
	bool bId=0;
	bool bConst=0;
	bool bOprSym=0;
	bool bBndSym=0;
	bool bIllegalChar=0;

	for(i=0;i<nLen;i++)
	{
		switch(m_vectorSymbol[i].lpProperty)
		{
		case KeyWord:
			tnlpvTemp.hTreeItem=m_pTreeCtrl->InsertItem(strCode.Mid(m_vectorSymbol[i].nStrPos,m_vectorSymbol[i].nStrLen),hKeyWordSubRoot,0);
			bKeyWord=1;
			break;

		case Id:
			tnlpvTemp.hTreeItem=m_pTreeCtrl->InsertItem(strCode.Mid(m_vectorSymbol[i].nStrPos,m_vectorSymbol[i].nStrLen),hIdSubRoot,0);
			bId=1;
			break;

		case Const:
			tnlpvTemp.hTreeItem=m_pTreeCtrl->InsertItem(strCode.Mid(m_vectorSymbol[i].nStrPos,m_vectorSymbol[i].nStrLen),hConstSubRoot,0);
			bConst=1;
			break;

		case OprSym:
			tnlpvTemp.hTreeItem=m_pTreeCtrl->InsertItem(strCode.Mid(m_vectorSymbol[i].nStrPos,m_vectorSymbol[i].nStrLen),hOprSymSubRoot,0);
			bOprSym=1;
			break;

		case BndSym:
			tnlpvTemp.hTreeItem=m_pTreeCtrl->InsertItem(strCode.Mid(m_vectorSymbol[i].nStrPos,m_vectorSymbol[i].nStrLen),hBndSymSubRoot,0);
			bBndSym=1;
			break;
		
		case IllegalChar:
			tnlpvTemp.hTreeItem=m_pTreeCtrl->InsertItem(strCode.Mid(m_vectorSymbol[i].nStrPos,m_vectorSymbol[i].nStrLen),hIllegalCharSubRoot,0);
			bIllegalChar=1;
			break;
		}

		tnlpvTemp.lpv=m_vectorSymbol[i];
		m_vectorTreeNode_Lpv.push_back(tnlpvTemp);
	}

	if(!bKeyWord)
		m_pTreeCtrl->DeleteItem(hKeyWordSubRoot);
	if(!bId)
		m_pTreeCtrl->DeleteItem(hIdSubRoot);
	if(!bConst)
		m_pTreeCtrl->DeleteItem(hConstSubRoot);
	if(!bOprSym)
		m_pTreeCtrl->DeleteItem(hOprSymSubRoot);
	if(!bBndSym)
		m_pTreeCtrl->DeleteItem(hBndSymSubRoot);
	if(!bIllegalChar)
		m_pTreeCtrl->DeleteItem(hIllegalCharSubRoot);

	trfTemp.vectorTnl=m_vectorTreeNode_Lpv;
	trfTemp.szFile=(LPSTR)(LPCSTR)strFile;
	m_pwndWorkSpaceBar->AddTRF(trfTemp);

	m_pTreeCtrl->Expand(hRoot,TVE_EXPAND);
}

void CIDEView::OnRButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	BCMenu *menuPopup;
	BCMenu menu;

	menu.LoadMenu(IDR_IDETYPE);
	if(m_pMainFrame->GetScreenStatus())
		menuPopup=(BCMenu*)menu.GetSubMenu(2);
	else
		menuPopup=(BCMenu*)menu.GetSubMenu(1);

	ClientToScreen(&point);
	menuPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON,point.x,point.y,this);
	menuPopup->DestroyMenu();
}

void CIDEView::OnSelall() 
{
	// TODO: Add your command handler code here
	CString str;

	GetWindowText(str);
	m_pEdit->SetSel(0,str.GetLength(),1);
}

void CIDEView::DisplayLnCol()
{
	CString str;

	str.Format("行:%d,列:%d",m_nCurLn,m_nCurCol);		
	m_pwndStatusBar->SetPaneText(1,str,1);
}

void CIDEView::OnCaptureChanged(CWnd *pWnd) 
{
	// TODO: Add your message handler code here
	PaintLeft();

	CEditView::OnCaptureChanged(pWnd);
}

void CIDEView::OnPaintLeft(WPARAM wParam,LPARAM lParam)
{
	PaintLeft();
}

void CIDEView::OnClean() 
{
	// TODO: Add your command handler code here
	CString str;
	CString strLeft,strRight;
	int nPos;

	str=m_pIDEDoc->GetPathName();
	nPos=str.ReverseFind('\\');
	strLeft=str.Left(nPos+1);
	strRight=str.Right(str.GetLength()-nPos-1);
	if(strRight.Right(4)==".pas")
		str=strLeft+strRight.Left(strRight.GetLength()-4)+"_LexAnanlysisResult.dat";
	else
		str=strLeft+strRight+"_LexAnanlysisResult.dat";

	if(GetFileAttributes(str)==-1)
		return;

	CFile file;

	file.Remove(str);
}