mmfencidlg.cpp

基于MM的分词算法

// MmFenCiDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MmFenCi.h"
#include "MmFenCiDlg.h"

#include "InputText.h"


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


#define MaxWordLength 14
#define Separator ""

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CMmFenCiDlg dialog

CMmFenCiDlg::CMmFenCiDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMmFenCiDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMmFenCiDlg)
	m_inputdata = _T("");
	m_outputdata = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMmFenCiDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMmFenCiDlg)
	DDX_Text(pDX, IDC_EDIT_INPUTDATA, m_inputdata);
	DDX_Text(pDX, IDC_EDIT_OUTPUTDATA, m_outputdata);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMmFenCiDlg, CDialog)
	//{{AFX_MSG_MAP(CMmFenCiDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_EXIT, OnButtonExit)
	ON_BN_CLICKED(IDC_BUTTON_INPUT, OnButtonInput)
	ON_BN_CLICKED(IDC_BUTTON_SEGMENT, OnButtonSegment)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMmFenCiDlg message handlers

BOOL CMmFenCiDlg::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
	
//利用OPEN函数初始化数据库连接
HRESULT hr;	
	
try
{
	hr=m_pConnection.CreateInstance(__uuidof(Connection));
	if(SUCCEEDED(hr))
	{
		//连接串属性为UDL文件
		m_pConnection->ConnectionString="File Name=my_data.udl";
		//等待连接打开的时间为15秒
		m_pConnection->ConnectionTimeout=15;
		m_pConnection->Open("","","",adConnectUnspecified);
		if(FAILED(hr))
		{
			AfxMessageBox("打开失败!");
			return TRUE;
		}
		else
		{
			AfxMessageBox("实例创建失败!");
			return TRUE;
		}
	}
}
catch (_com_error e)
{
	//捕捉异常信息
	_bstr_t bstrSource(e.Source());
	_bstr_t bstrDescription(e.Description());
	AfxMessageBox(bstrSource+bstrDescription);
	return TRUE;
}
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMmFenCiDlg::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 CMmFenCiDlg::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 CMmFenCiDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}



void CMmFenCiDlg::OnButtonExit() 
{
	// TODO: Add your control notification handler code here
	CDialog::OnOK();
}
void CMmFenCiDlg::OnButtonInput() 
{
	// TODO: Add your control notification handler code here
	
	InputText dlg;
	dlg.DoModal();
if(dlg.m_inputtext)
{
m_inputdata=dlg.m_inputtext;

}
m_inputdata.Format(m_inputdata);
UpdateData(FALSE);
	
}

void CMmFenCiDlg::ScanWords(CString s3)
{
UpdateData(TRUE);

_RecordsetPtr pScan;
pScan.CreateInstance(__uuidof(Recordset));
CString strSql;

if(s3!="")
strSql.Format("SELECT * FROM 词典 WHERE words='%S'",s3);

else
strSql="select * from 词典 where";

try
{
	pScan->Close();
	pScan->Open(_variant_t(strSql),
		m_pConnection.GetInterfacePtr(),
		adOpenDynamic,
		adLockOptimistic,
		adCmdText);	
}

catch(_com_error *e)
{
	AfxMessageBox(e->ErrorMessage());
	return;
}
_variant_t var;
CString myword;

try
{
	if(!pScan->BOF)
		pScan->MoveFirst();
	else
	{
		AfxMessageBox("kong");
		return;
	}
	while(!pScan->adoEOF)
	{
		var=pScan->GetCollect("words");
		if(var.vt!=VT_NULL)
			myword=(LPCSTR)_bstr_t(var);
		m_outputdata.Format(myword);
		pScan->MoveNext();
	}
}
catch(_com_error *e)
{
	AfxMessageBox(e->ErrorMessage());
}

}

void CMmFenCiDlg::OnButtonSegment() 
{
	// TODO: Add your control notification handler code here
CString s2="";
while(!m_inputdata.IsEmpty())
{
	int len=m_inputdata.GetLength();
	if(len>MaxWordLength)
		len=MaxWordLength;
	CString w=m_inputdata.Left(len);
	while(len>2)
	{
		ScanWords(w);
		len-=2;
		w=w.Left(len);
	}
	s2+=w+Separator;
	m_inputdata=m_inputdata.Mid(w.GetLength());
}
m_outputdata=s2;
m_outputdata.Format(m_outputdata);
}