Source/cmFileTimeComparison.h

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmFileTimeComparison.h,v $
   5   Language:  C++
   6   Date:      $Date: 2008-01-03 05:01:38 $
   7   Version:   $Revision: 1.3 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #ifndef cmFileTimeComparison_h
  18 #define cmFileTimeComparison_h
  19
  20 #include "cmStandardIncludes.h"
  21
  22 class cmFileTimeComparisonInternal;
  23
  24 /** \class cmFileTimeComparison
  25  * \brief Helper class for performing globbing searches.
  26  *
  27  * Finds all files that match a given globbing expression.
  28  */
  29 class cmFileTimeComparison
  30 {
  31 public:
  32   cmFileTimeComparison();
  33   ~cmFileTimeComparison();
  34
  35   /**
  36    *  Compare file modification times.
  37    *  Return true for successful comparison and false for error.
  38    *  When true is returned, result has -1, 0, +1 for
  39    *  f1 older, same, or newer than f2.
  40    */
  41   bool FileTimeCompare(const char* f1, const char* f2, int* result);
  42
  43   /**
  44    *  Compare file modification times.  Return true unless both files
  45    *  exist and have modification times less than 1 second apart.
  46    */
  47   bool FileTimesDiffer(const char* f1, const char* f2);
  48
  49 protected:
  50
  51   cmFileTimeComparisonInternal* Internals;
  52 };
  53
  54
  55 #endif
  56