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(ファイル)バージョン文字列を扱うクラス (CVersionStringT) - Windows

"1.0.0.1"や"1.00.000.2"といった(ファイル)バージョン文字列を
扱うクラスです。

---
#pragma once

#include <vector>


////////////////////////////////////////////////////////////////////////////////
// CVersionStringT

template <int t_nCount>
class CVersionStringT
{
protected:
 typedef CVersionStringT<t_nCount>   thisClass;

public:
 CVersionStringT() : m_dwVals(t_nCount)
 {
  this->SetVersion(_T(""));
 }
 CVersionStringT(LPCTSTR szVersion) : m_dwVals(t_nCount)
 {
  this->SetVersion(szVersion);
 }
 ~CVersionStringT()
 {
 }

public:
 CString GetVersion()
 {
  return thisClass::Convert(&m_dwVals[0]);
 }
 void SetVersion(LPCSTR szVersion)
 {
  thisClass::Parse(szVersion, &m_dwVals[0]);
 }

public:
 int Compare(thisClass VersionString)
 {
  return thisClass::Compare(*this, VersionString);
 }

public:
 static CString Convert(DWORD* dwVersion)
 {
  CString strVersion;

  for (int i = 0; i < t_nCount; i++)
  {
   TCHAR szValue[16] = { 0 };
   _itot(dwVersion[i], szValue, 10);

   if (i == 0)
   {
    strVersion = szValue;
   }
   else
   {
    strVersion += CString(_T(".")) + szValue;
   }
  }

  return strVersion;
 }
 void Parse(LPCTSTR szVersion, DWORD* dwVersion)
 {
  CString strVersion = szVersion;

  for (int i = 0; i < t_nCount; i++)
  {
   int nLength = strVersion.Find(_T("."), 0);
   if (nLength == -1)
   {
    CString str = strVersion.Left(strVersion.GetLength());
    nLength = strVersion.GetLength();

    dwVersion[i] = _tstoi(str);
   }
   else
   {
    CString str = strVersion.Left(nLength);
    dwVersion[i] = _tstoi(str);
   }

   strVersion = strVersion.Right(strVersion.GetLength() - nLength - 1);
  }
 }
 static int Compare(LPCTSTR szVersion1, LPCTSTR szVersion2)
 {
  thisClass VersionString1(szVersion1);
  thisClass VersionString2(szVersion2);

  return thisClass::Compare(VersionString1, VersionString2);
 }
 static int Compare(const thisClass& VersionString1, const thisClass& VersionString2)
 {
  for (int i = 0; i < t_nCount; i++)
  {
   if      (VersionString1.m_dwVals[i] < VersionString2.m_dwVals[i])
   {
    return -1;   
   }
   else if (VersionString1.m_dwVals[i] > VersionString2.m_dwVals[i])
   {
    return 1;
   }
  }

  return 0;
 }

public:
 std::vector<DWORD> m_dwVals;
};

typedef CVersionStringT<3>  CMsiVersionString;
typedef CVersionStringT<4>  CFileVersionString;
---

投稿日時 : 2007年4月13日 13:24