// emptyTestAppDlg.cpp : implementation file
//
#include "stdafx.h"
#include "emptyTestApp.h"
#include "emptyTestAppDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// 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)
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CEmptyTestAppDlg dialog
CEmptyTestAppDlg::CEmptyTestAppDlg(CWnd* pParent /*=NULL*/)
: CDialog(CEmptyTestAppDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CEmptyTestAppDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CEmptyTestAppDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CEmptyTestAppDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CEmptyTestAppDlg, CDialog)
//{{AFX_MSG_MAP(CEmptyTestAppDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEmptyTestAppDlg message handlers
BOOL CEmptyTestAppDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CEmptyTestAppDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CEmptyTestAppDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CEmptyTestAppDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CEmptyTestAppDlg::OnOK()
{
/* Sample code which parses simple expressions like 1+2*3-(4*5) */
std::tstringstream strmInit(
"[seperators]\n"
"100:+\n"
"101:-\n"
"102:*\n"
"103:/\n"
"104:(\n"
"105:)\n"
"[rules]\n"
"200:numbers\n"
"[grammar]\n"
"300:{.expr}=0:{!number}\n"
"301:{.expr}=50:{.expr}{$+}{.expr}\n"
"302:{.expr}=50:{.expr}{$-}{.expr}\n"
"303:{.expr}=45:{.expr}{$*}{.expr}\n"
"304:{.expr}=45:{.expr}{$/}{.expr}\n"
"305:{.expr}=0:{$(}{.expr}{$)}\n");
std::tstringstream *pstrmInput = new std::tstringstream("2+3*4-(5+6)*7");
cxTokenizerSTLInputStream< std::tstringstream,cxTokenizerInputStreamDefaultWithLineNumberImpl<crlf_lfonly> >
istream(pstrmInput,"<unnamed>",false);
cxtPackage pkg(strmInit);
// flush the internal token stream
pkg.vFlush();
pkg.vSetStartFromBeginning();
// attach the input stream to the tokenizer/analyzer
pkg.vSetInputStream(&istream);
pkg.vSetDelimeterIDs(NULL);
// read until the next delimeter - no delimeters are set, i.e. read until the end of the input stream
pkg.nReadUntilDelimeter();
// check for the '.expr' rules defined above
cxaTokenStream::const_iterator endpos;
cxaParseBranch *papbResult = NULL;
cxaStatusCookie ascCondition;
// test for all rules belonging to the same group of rules
// with ID 300
papbResult =pkg.papbCheckForRule(300,&endpos,&ascCondition,false);
if(papbResult==NULL)
AfxMessageBox("Syntax error.");
else
{
// could the complete token stream be parsed?
// (for example, the expr '3+4++++++' can be parsed up
// to '3+4', the rest is in error)
if(endpos != pkg.patsGetTokenStream()->end())
AfxMessageBox("Not all tokens could be analyzed.");
else
{
// Take a look in the Debug log
// For information on how to access the data, see
// absd.hypermart.net. i hope i get the site ad-free
// sometime soon :(
papbResult->vDump();
}
delete papbResult;
}
// detach the input stream
pkg.vSetInputStream(NULL);
}