replobjs.h

《Windows CE 权威指南》（作者：(美)CHRIS MUENCH

//
//	File:
//	=====
//	Replobjects.h: Header File
//	
//	Desription:
//	===========
//	Contains definitions of the classes CReplFolder, CReplItem & CReplObject
//	these objects are stored in the repl.dat file by the sync engine. These
//	are the "cookie" objects that you will use to identify your folders/items.
//	Add/modify the members of these classes as needed.
//
#pragma once

//<BOOK_ADDON Chapter 9.3.2.1> ***************************************************
#define MAXDATASIZE	8000
//</BOOK_ADDON Chapter 9.3.2.1> ***************************************************

class CBaseFolder;
//
// ======================== class CReplObject ===============================
//
class CReplObject
{
public:
	enum IDD_OBJ_TYPE{ PCDMSYNC_OBJ_FOLDER = 1, PCDMSYNC_OBJ_ITEM = 2 };

protected:
	IDD_OBJ_TYPE m_eType;		// type of this object folder/item

public:
    CReplObject(IDD_OBJ_TYPE eType) { m_eType = eType;}
	IDD_OBJ_TYPE GetType(){ return m_eType;}

	virtual ~CReplObject(){};
};

//
// ======================== class CReplFolder ===============================
//
class CReplFolder: public CReplObject
{
protected:
//<BOOK_ADDON Chapter 9.3.2.1> ***************************************************
	TCHAR m_szName[MAXDATASIZE];
//</BOOK_ADDON Chapter 9.3.2.1> ***************************************************
	CBaseFolder *m_pFolder;

public:
    CReplFolder(LPTSTR pszName, CBaseFolder *pFolder) : CReplObject(PCDMSYNC_OBJ_FOLDER)
	{
		::_tcscpy(m_szName, pszName);
		m_pFolder = pFolder;			// stores ptr to real folder
		return;
	}
    
	virtual ~CReplFolder(){}

	const LPTSTR GetName(){ return m_szName;}
	CBaseFolder* GetFolder(){ return m_pFolder;}

	CReplFolder& operator=(const CReplFolder& rhs)	// overloaded operator=
	{
		//
		//	TODO: If you add/modify the members of this class,
		//	you will also need to modify the code below.
		//
		::_tcscpy(m_szName, rhs.m_szName);
		m_pFolder = rhs.m_pFolder;
		return *this;
	}
};

//
// ======================== class CReplItem ===============================
//
class CReplItem: public CReplObject
{
protected:
//<BOOK_ADDON Chapter 9.3.2.1> ***************************************************
	TCHAR		m_szId[MAXDATASIZE];	// unique id to identify this object
//</BOOK_ADDON Chapter 9.3.2.1> ***************************************************
    FILETIME    m_ftModified;		// stores the last modified time of this item

public:
	CReplItem(LPTSTR pszId) : CReplObject(PCDMSYNC_OBJ_ITEM)
	{ 
		::_tcscpy(m_szId, pszId);
		return;
	}

    virtual ~CReplItem(){}
	
	FILETIME& GetModified(){ return m_ftModified;}
	void SetModified(FILETIME& ft){ m_ftModified = ft;}

	CReplItem& operator=(const CReplItem& rhs)	// overloaded operator=
	{
		//
		//	TODO: If you add/modify the members of this class,
		//	you will also need to modify the code below.
		//
		::_tcscpy(m_szId, rhs.m_szId);
		m_ftModified = rhs.m_ftModified;
		return *this;
	}

	//
	//	Compare function compares this object with another one
	//	of the same type. Returns -1, 0 or 1 accordingly.
	//
	int Compare(const CReplItem* prhs)
	{
		return ::_tcscmp(m_szId, prhs->m_szId);		
	}
	
	const LPTSTR GetId()
	{
		return m_szId;
	}
};