// DLG.h : main header file for the DLG application
//

#if !defined(AFX_DLG_H__31BEEAA9_2D5E_47E6_87A0_9C1C66919208__INCLUDED_)
#define AFX_DLG_H__31BEEAA9_2D5E_47E6_87A0_9C1C66919208__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#ifndef __AFXWIN_H__
	#error include 'stdafx.h' before including this file for PCH
#endif

#include "resource.h"		// main symbols
/////////////////////////////////////////////////////////////////////////////
// CDLGApp:
// See DLG.cpp for the implementation of this class
//

class CDLGApp : public CWinApp
{
public:
	CDLGApp();

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDLGApp)
	public:
	virtual BOOL InitInstance();
	virtual int ExitInstance();
	//}}AFX_VIRTUAL

// Implementation

	//{{AFX_MSG(CDLGApp)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#define MAX 20
#define msgLEN 128
#define codeLEN 256

class Mapping 
{
private:
	int key[MAX];
	int value[MAX];
	int num;
	
public:
	Mapping() {
		num = 0;
	}
	int getCurrentKey() {return key[num-1];}
	int getCurrentValue() {return value[num-1];}
	int getKey(int i) {
		if (i < 0 || i >= num) {
			return -1;
		}
		return key[i];
	}
	BOOL setKey(int i, int pos) {
		if (i < 0 || i >= num) {
			return FALSE;
		}
		key[i] = pos;
		return TRUE;
	}
	int getValue(int i) {
		if (i < 0 || i >= num) {
			return -1;
		}
		return value[i];
	}
	int Count() {return num;}
	BOOL add(int k, int v) {
		if (num < MAX) {
			key[num] = k;
			value[num++] = v;
			return TRUE;
		}
		return FALSE;
	}
	BOOL remove() {
		if (num > 0) {
			num--;
			return TRUE;
		}
		return FALSE;
	}
	// remove key-value pair according to the index
	BOOL remove(int index) {
		if (index < 0 || index >= num) {
			return FALSE;
		}else {
			num--;
			while (index < num) {
				key[index] = key[index+1];
				value[index] = value[index+1];
				index++;
			}
			return TRUE;
		}
	}
	// According to the key, then find and delete the key-value pair
	BOOL del(int k) {
		if (num > 0) {
			int i = num;
			while (i-- > 0) {
				if (key[i] == k) {
					return remove(i);
				}
			}
		}
		return FALSE;
	}
	BOOL exist(int k) {
		int i = num;
		while (i-- > 0) {
			if (k == key[i])
				return TRUE;
		}
		return FALSE;
	}
	void clear() {
		num = 0;
	}
};


/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DLG_H__31BEEAA9_2D5E_47E6_87A0_9C1C66919208__INCLUDED_)