getsdlg.cpp

基于字符层面的短语比较工具

// GetSDlg.cpp : implementation file
//

#include "stdafx.h"
#include "GetS.h"
#include "GetSDlg.h"

#include "fstream.h"
#include "math.h"

#define BSZ 100

#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()

/////////////////////////////////////////////////////////////////////////////
// CGetSDlg dialog

CGetSDlg::CGetSDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CGetSDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CGetSDlg)
	m_BaseFile = _T("Base.txt");
	m_OutFile = _T("OutPut.txt");
	m_Sample = _T("轻舞飞扬");
	m_SValue = 0.1f;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CGetSDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CGetSDlg)
	DDX_Control(pDX, IDC_OUTPUT, m_OutPut);
	DDX_Text(pDX, IDC_BASEFILE, m_BaseFile);
	DDX_Text(pDX, IDC_OUTFILE, m_OutFile);
	DDX_Text(pDX, IDC_SAMPLE, m_Sample);
	DDX_Text(pDX, IDC_SVALUE, m_SValue);
	DDV_MinMaxFloat(pDX, m_SValue, 0.f, 1.f);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CGetSDlg, CDialog)
	//{{AFX_MSG_MAP(CGetSDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ABOUT, OnAbout)
	ON_BN_CLICKED(IDC_GETS, OnGets)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGetSDlg message handlers

BOOL CGetSDlg::OnInitDialog()                //设定列表框的初值
{
	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
	m_OutPut.SetColumnWidth(0,10);
	m_OutPut.InsertColumn(0,"短语");
	m_OutPut.InsertColumn(1,"S值");
	m_OutPut.SetColumnWidth(0,100);
	m_OutPut.SetColumnWidth(1,100);

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CGetSDlg::OnSysCommand(UINT nID, LPARAM lParam)   //生成about对话框 
{
	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 CGetSDlg::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 CGetSDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CGetSDlg::OnAbout() 
{
	// TODO: Add your control notification handler code here
	CAboutDlg AboutDlg;
	AboutDlg.DoModal();
}

void CGetSDlg::OnGets() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	if(!m_BaseFile){
		MessageBox("请输入语料库文件名");
		return;
	}
	if(!m_OutFile){
		MessageBox("请输入输出文件名");
		return;
	}
	if(!m_Sample){
		MessageBox("请输入参考短语");
		return;
	}

	CString FileName="..\\..\\"+m_BaseFile;
	ifstream base(FileName);
	if(!base){
		MessageBox("无法打开语料库文件");
		return;
	}
	FileName="..\\..\\"+m_OutFile;
	ofstream out(m_OutFile);
	if(!out){
		MessageBox("创建输出文件失败");
		return;
	}

	m_OutPut.DeleteAllItems();        //读入，计算，打印

	char S2[BSZ],buf[BSZ];
	char *S1;
	S1=m_Sample.GetBuffer(BSZ);
	while(!base.eof()){
		base>>S2;
		base.getline(buf,BSZ);
		double s=CalculateS(S1,S2);
		if(s > m_SValue){
			out<<S2<<" s="<<s<<endl;

			int nItem;
			nItem=m_OutPut.InsertItem(0,S2);
			char buffer[50];
			_gcvt( s, 8, buffer );
			m_OutPut.SetItemText(nItem,1,buffer);
		}
	}
}

double CGetSDlg::CalculateS(char S1[], char S2[])
{
	int l1 = strlen(S1)/2;
	int l2 = strlen(S2)/2;
	double f = 0.0;
	int same = 0;
	for ( int i = 0; i < l1; i++){
		for (int j = 0; j < l2; j++){
			if ((S1[i*2]==S2[j*2])&&(S1[i*2+1]==S2[j*2+1])){
				f += 1 / (fabs(j - i) + 1);
				same++;
			}
		}
	}	
	double s = f / (l1 + l2 - same);
	return s;
}