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Tokenizer and analyzer package supporting precedence prioritized rules

, 1 Jan 2002
A library allowing you to conveniently build a custom tokenizer and analyzer supporting precedence priorized rules
cxtpackagetut_win32vc.zip
cxTokenizer
cxTokenizer.dsp
cxTokenizer.plg
cxtPackage
cxtPackage.plg
cxtPackage.dsp
mathTok
mathTok.plg
mathTok.dsp
simpleCalc
simpleCalc.bmp
simpleCalc.dsp
simpleCalc.plg
tkCommon
cxAnalyzer
cxAnalyzer.dsp
cxAnalyzer.plg
COPYING
cpAbsd.dsw
cxtpackage_win32vc.zip
cxTokenizer.dsp
cxTokenizer.plg
Debug
cxAnalyzer.dsp
cxAnalyzer.plg
cxtPackage.plg
cxtPackage.dsp
COPYING
cpAbsd.dsw
grammaride.zip
stlport_vc645.dll
grammarIDE.exe
pkgcomplete.zip
cxTokenizerMatchTokenRule.inl
cxTokenizer.dsp
cxtPackage.dsp
emptyTestApp
emptyTestApp.clw
res
emptyTestApp.ico
emptyTestApp.dsp
grammarIDE
grammarIDE.clw
res
grammarIDEDoc.ico
icon1.ico
zoomable.ico
Toolbar.bmp
grammarIDE.ico
vssver.scc
grammarIDE.dsp
simpleCalc.bmp
simpleCalc.dsp
vssver.scc
cxaToken.inl
cxAnalyzer.dsp
COPYING
cpAbsd.dsw
pkgsrconly.zip
cxTokenizerMatchTokenRule.inl
cxTokenizer.dsp
cxtPackage.dsp
emptyTestApp.clw
emptyTestApp.ico
emptyTestApp.dsp
vssver.scc
cxaToken.inl
cxAnalyzer.dsp
COPYING
cpAbsd.dsw
// LeftView.cpp : implementation of the CLeftView class
//

#include "stdafx.h"
#include "grammarIDE.h"
#include "MainFrm.h"
#include "DlgProperties.h"

#include "grammarIDEDoc.h"
#include "grammarIDEView.h"
#include "LeftView.h"

#define GET_X_LPARAM(lp)                        ((int)(short)LOWORD(lp))
#define GET_Y_LPARAM(lp)                        ((int)(short)HIWORD(lp))

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

/////////////////////////////////////////////////////////////////////////////
// CLeftView

IMPLEMENT_DYNCREATE(CLeftView, CTreeView)

BEGIN_MESSAGE_MAP(CLeftView, CTreeView)
//{{AFX_MSG_MAP(CLeftView)
ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelChanged)
	ON_NOTIFY_REFLECT(NM_RCLICK, OnContextMenu)
	ON_WM_INITMENUPOPUP()
	ON_UPDATE_COMMAND_UI(ID_LTRCONTEXT_COLLAPSE, OnUpdateLtrcontextCollapseItem)
	ON_UPDATE_COMMAND_UI(ID_LTRCONTEXT_EXPAND, OnUpdateLtrcontextExpandItem)
	ON_COMMAND(ID_LTRCONTEXT_COLLAPSE, OnLtrcontextCollapseItem)
	ON_COMMAND(ID_LTRCONTEXT_EXPAND, OnLtrcontextExpandItem)
	ON_COMMAND(ID_LTRCONTEXT_SHOWPROPERTIES, OnLtrcontextShowProps)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLeftView construction/destruction

CLeftView::CLeftView()
	{
	// TODO: add construction code here
	
	}

CLeftView::~CLeftView()
	{
	}

BOOL CLeftView::PreCreateWindow(CREATESTRUCT& cs)
	{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	
	return CTreeView::PreCreateWindow(cs);
	}

/////////////////////////////////////////////////////////////////////////////
// CLeftView operations

void CLeftView::FillTree()
	{
	CTreeCtrl& treeCtrl = GetTreeCtrl();
	const cxtPackage& pkg = *GetDocument()->m_pPkg;
	const cxAnalyzerTypeMap& atm = *pkg.patmGetAnalyzerMap();
	std::map<int,HTREEITEM> mapAtmToTree;
	HTREEITEM	hTokens = NULL;
	HTREEITEM	hSeperators = NULL;
	HTREEITEM	hRules = NULL;
	HTREEITEM	hGrammar = NULL;
	
	// Set the right styles & init tree ctl
	treeCtrl.DeleteAllItems();
	treeCtrl.ModifyStyle( 0, TVS_FULLROWSELECT | TVS_HASBUTTONS | TVS_SHOWSELALWAYS | TVS_HASLINES | TVS_LINESATROOT );
	hTokens		=treeCtrl.InsertItem(_T("[tokens]"));
	hSeperators	=treeCtrl.InsertItem(_T("[seperators]"));
	hRules		=treeCtrl.InsertItem(_T("[rules]"));
	hGrammar	=treeCtrl.InsertItem(_T("[grammar]"));
	
	// 1st.: Insert the 'base' elements into the tree
	for(int i=1;;i++)
		{
		HTREEITEM hParent = NULL;
		std::tstring str;
		int nIDValue;
		const cxAnalyzerTypeInfo *patiCur = atm.patiGetTypeInfo(i);
		const cxTokenizerTokenRule *pttrCur =NULL;
		if(patiCur==NULL)
			break;
		
		switch(patiCur->nGetMType())
			{
			case ATM_MTYPE_TOKEN:
				nIDValue = atm.nGetCustIDFor(i);
				pttrCur = pkg.pxtmGetTokenizerMap()->pttrGetRuleForID(nIDValue);
				ASSERT(pttrCur!=NULL);
				if(pttrCur->fIsFlagSet(ttrf_intermediate))
					hParent = hSeperators;
				else
					hParent = hTokens;
				break;
			case ATM_MTYPE_COMP_TOKEN:
				hParent = hRules;
				nIDValue = atm.nGetCustIDFor(i);
				pttrCur = pkg.pxtmGetTokenizerMap()->pttrGetRuleForID(nIDValue);
				break;
			case ATM_MTYPE_RULE:
				hParent = hGrammar;
				break;
			default:
				ASSERT(FALSE);
				break;
			}
		
		str = atm.strGetStringForID(i);
		HTREEITEM hTemp = treeCtrl.InsertItem(str.c_str(),hParent);
		treeCtrl.SetItemData(hTemp,i);
		mapAtmToTree.insert( std::make_pair(i, hTemp) );
		}
	
	// 2nd.: Insert the grammar items
	const cxAnalyzerMain::ae_vec_type& vecExpr = pkg.pamGetParser()->paevecGetExpressionsVector();
	cxAnalyzerMain::ae_vec_type::const_iterator it;
	for(it=vecExpr.begin();it!=vecExpr.end();it++)
		{
		const cxAnalyzerExpression *paeCur = (*it);
		std::map<int,HTREEITEM>::const_iterator iit;
		const std::tstring* pstrTemp = NULL; 
		ASSERT(paeCur!=NULL);
		
		iit		=mapAtmToTree.find(paeCur->nGetAtmType());
		ASSERT(iit!=mapAtmToTree.end());
		
		pstrTemp=paeCur->pstrGetInitString();
		ASSERT(pstrTemp!=NULL);
		
		HTREEITEM hTemp = treeCtrl.InsertItem(pstrTemp->c_str(), iit->second);
		treeCtrl.SetItemData(hTemp, paeCur->nGetIDValue());
		}
	}

/////////////////////////////////////////////////////////////////////////////
// CLeftView drawing

void CLeftView::OnDraw(CDC* pDC)
	{
	CGrammarIDEDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	
	// TODO: add draw code for native data here
	}


void CLeftView::OnInitialUpdate()
	{
	CTreeView::OnInitialUpdate();
	
	// TODO: You may populate your TreeView with items by directly accessing
	//  its tree control through a call to GetTreeCtrl().
	FillTree();
	}

/////////////////////////////////////////////////////////////////////////////
// CLeftView diagnostics

#ifdef _DEBUG
void CLeftView::AssertValid() const
	{
	CTreeView::AssertValid();
	}

void CLeftView::Dump(CDumpContext& dc) const
	{
	CTreeView::Dump(dc);
	}

CGrammarIDEDoc* CLeftView::GetDocument() // non-debug version is inline
	{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGrammarIDEDoc)));
	return (CGrammarIDEDoc*)m_pDocument;
	}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CLeftView message handlers

void CLeftView::OnSelChanged(NMHDR* pNMHDR, LRESULT* pResult) 
	{
	// TODO: Add your control notification handler code here
	CMainFrame *pMainFrm = (CMainFrame*)GetParentFrame();
	ASSERT( pMainFrm->IsKindOf(RUNTIME_CLASS(CMainFrame)) );
	
	pMainFrm->GetRightPane()->ShowEditor();
	
	*pResult = 0;
	}


void CLeftView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
	{
	// TODO: Add your specialized code here and/or call the base class
	if(pSender!=this)
		{
		FillTree();
		}
	
	}

void CLeftView::OnContextMenu(NMHDR* pNMHDR, LRESULT* pResult) 
	{
	DWORD	dwPos = GetMessagePos();
	POINT	point = { GET_X_LPARAM(dwPos), GET_Y_LPARAM(dwPos) };
	CMenu	menuCtx, *pMenu;
	menuCtx.LoadMenu(IDR_CONTEXT);
	pMenu	=menuCtx.GetSubMenu(0);
	
	//MapWindowPoints(NULL,&point,1);
	UINT	nCmd = pMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RETURNCMD,point.x,point.y,this);
	OnCommand(nCmd,0);
	
	*pResult = 0;
	}

void CLeftView::OnInitMenuPopup(CMenu* pMenu, UINT nIndex, BOOL bSysMenu) 
	{
	if (bSysMenu)
		return;     // don't support system menu
	
	ASSERT(pMenu != NULL);
	// check the enabled state of various menu items
	
	CCmdUI state;
	state.m_pMenu = pMenu;
	ASSERT(state.m_pOther == NULL);
	ASSERT(state.m_pParentMenu == NULL);
	
	// determine if menu is popup in top-level menu and set m_pOther to
	//  it if so (m_pParentMenu == NULL indicates that it is secondary popup)
	HMENU hParentMenu;
	if (AfxGetThreadState()->m_hTrackingMenu == pMenu->m_hMenu)
		state.m_pParentMenu = pMenu;    // parent == child for tracking popup
	else if ((hParentMenu = ::GetMenu(m_hWnd)) != NULL)
		{
		CWnd* pParent = GetTopLevelParent();
		// child windows don't have menus -- need to go to the top!
		if (pParent != NULL &&
			(hParentMenu = ::GetMenu(pParent->m_hWnd)) != NULL)
			{
			int nIndexMax = ::GetMenuItemCount(hParentMenu);
			for (int nIndex = 0; nIndex < nIndexMax; nIndex++)
				{
				if (::GetSubMenu(hParentMenu, nIndex) == pMenu->m_hMenu)
					{
					// when popup is found, m_pParentMenu is containing menu
					state.m_pParentMenu = CMenu::FromHandle(hParentMenu);
					break;
					}
				}
			}
		}
	
	state.m_nIndexMax = pMenu->GetMenuItemCount();
	for (state.m_nIndex = 0; state.m_nIndex < state.m_nIndexMax;
	state.m_nIndex++)
		{
		state.m_nID = pMenu->GetMenuItemID(state.m_nIndex);
		if (state.m_nID == 0)
			continue; // menu separator or invalid cmd - ignore it
		
		ASSERT(state.m_pOther == NULL);
		ASSERT(state.m_pMenu != NULL);
		if (state.m_nID == (UINT)-1)
			{
			// possibly a popup menu, route to first item of that popup
			state.m_pSubMenu = pMenu->GetSubMenu(state.m_nIndex);
			if (state.m_pSubMenu == NULL ||
				(state.m_nID = state.m_pSubMenu->GetMenuItemID(0)) == 0 ||
				state.m_nID == (UINT)-1)
				{
				continue;       // first item of popup can't be routed to
				}
			state.DoUpdate(this, FALSE);    // popups are never auto disabled
			}
		else
			{
			// normal menu item
			// Auto enable/disable if frame window has 'm_bAutoMenuEnable'
			//    set and command is _not_ a system command.
			state.m_pSubMenu = NULL;
			state.DoUpdate(this, TRUE && state.m_nID < 0xF000);
			}
		
		// adjust for menu deletions and additions
		UINT nCount = pMenu->GetMenuItemCount();
		if (nCount < state.m_nIndexMax)
			{
			state.m_nIndex -= (state.m_nIndexMax - nCount);
			while (state.m_nIndex < nCount &&
				pMenu->GetMenuItemID(state.m_nIndex) == state.m_nID)
				{
				state.m_nIndex++;
				}
			}
		state.m_nIndexMax = nCount;
		}
	}

void CLeftView::OnUpdateLtrcontextCollapseItem(CCmdUI* pCmdUI) 
	{
	// TODO: Add your command update UI handler code here
	CTreeCtrl& treeCtrl = GetTreeCtrl();

	HTREEITEM hItem = treeCtrl.GetDropHilightItem();
	if(hItem==NULL) hItem = treeCtrl.GetSelectedItem();
	if(	hItem!=NULL &&
		treeCtrl.ItemHasChildren(hItem)!=NULL)
		{
		bool fExp = 0!=(treeCtrl.GetItemState(hItem,TVIS_EXPANDED)&TVIS_EXPANDED);
		pCmdUI->Enable(fExp );
		}
	else
		pCmdUI->Enable(FALSE);
	}

void CLeftView::OnUpdateLtrcontextExpandItem(CCmdUI* pCmdUI) 
	{
	// TODO: Add your command update UI handler code here
	CTreeCtrl& treeCtrl = GetTreeCtrl();

	HTREEITEM hItem = treeCtrl.GetDropHilightItem();
	if(hItem==NULL) hItem = treeCtrl.GetSelectedItem();
	if(	hItem!=NULL &&
		treeCtrl.GetChildItem(hItem)!=NULL)
		{
		bool fExp = 0!=(treeCtrl.GetItemState(hItem,TVIS_EXPANDED)&TVIS_EXPANDED);
		pCmdUI->Enable(!fExp);
		}
	else
		pCmdUI->Enable(FALSE);
	}

void CLeftView::OnLtrcontextCollapseItem() 
	{
	CTreeCtrl& treeCtrl = GetTreeCtrl();

	HTREEITEM hItem = treeCtrl.GetDropHilightItem();
	if(hItem==NULL) hItem = treeCtrl.GetSelectedItem();
	if(hItem!=NULL)
		{
		treeCtrl.SetItemState(hItem,0,TVIS_EXPANDED);
		Invalidate(TRUE);
		}
	}

void CLeftView::OnLtrcontextExpandItem() 
	{
	CTreeCtrl& treeCtrl = GetTreeCtrl();

	HTREEITEM hItem = treeCtrl.GetDropHilightItem();
	if(hItem==NULL) hItem = treeCtrl.GetSelectedItem();
	if(hItem!=NULL)
		{
		treeCtrl.SetItemState(hItem,TVIS_EXPANDED,TVIS_EXPANDED);
		Invalidate(TRUE);
		}
	}

void CLeftView::OnLtrcontextShowProps() 
	{
	CTreeCtrl& treeCtrl = GetTreeCtrl();

	HTREEITEM hItem = treeCtrl.GetDropHilightItem();
	if(hItem==NULL) hItem = treeCtrl.GetSelectedItem();
	if(hItem!=NULL)
		{
		int nAtmType = treeCtrl.GetItemData(hItem);
		CDlgProperties	dlg(GetDocument()->m_pPkg,nAtmType);
		dlg.DoModal();
		}
	}

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About the Author

Alexander Berthold
Web Developer
Germany Germany
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