Source code of Windows XP (NT5)
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//
// MODULE: FileTracker.h
//
// PURPOSE: Abstract classes in support of tracking file changes over time.
// Interface for CFileToTrack, CFileTracker
//
// COMPANY: Saltmine Creative, Inc. (206)-284-7511 [email protected]
//
// AUTHOR: Joe Mabel
//
// ORIGINAL DATE: 9-15-98
//
// NOTES:
//
// Version Date By Comments
//--------------------------------------------------------------------
// V3.0 09-15-98 JM
//
#if !defined(AFX_FILETRACKER_H__3942A069_4CB5_11D2_95F6_00C04FC22ADD__INCLUDED_)
#define AFX_FILETRACKER_H__3942A069_4CB5_11D2_95F6_00C04FC22ADD__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#include "apgtsstr.h"
#include <vector>
using namespace std;
// ideally, this would be a private class of CFileTracker, but that's incompatible with STL vector.
class CFileToTrack
{
private:
FILETIME m_ftLastWriteTime; // zeroed to indicate not yet read; otherwise, file time
// when last checked
CString m_strPathName; // full pathname of file to monitor
bool m_bFileExists; // when we last checked for the file, did it exist
public:
CFileToTrack(); // do not instantiate; exists only so vector can compile
// The only constructor you should call is:
CFileToTrack(const CString & strPathName);
virtual ~CFileToTrack();
void CheckFile(bool & bFileExists, bool & bTimeChanged, const bool bLogIfMissing= true );
// to keep vector happy
bool operator < (const CFileToTrack & x) const {return this->m_strPathName < x.m_strPathName ;};
bool operator == (const CFileToTrack & x) const {return this->m_strPathName == x.m_strPathName ;};
};
// abstract class. Intended as base class for distinct classes tracking LST files, DSC/BES/HTI files
// These must provide there own overrides of TakeAction.
class CFileTracker
{
private:
vector<CFileToTrack> m_arrFile;
public:
CFileTracker();
virtual ~CFileTracker();
void AddFile(const CString & strPathName);
bool Changed( const bool bLogIfMissing= true );
// to keep vector happy. Note that no two CFileTracker's will ever test equal
// even if their content is identical.
bool operator < (const CFileTracker & x) const {return this < &x;};
bool operator == (const CFileTracker & x) const {return this == &x;};
};
#endif // !defined(AFX_FILETRACKER_H__3942A069_4CB5_11D2_95F6_00C04FC22ADD__INCLUDED_)