CMakeLua/Source/cmWriteFileCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmWriteFileCommand.cxx,v $
   5   Language:  C++
   6 <<<<<<< cmWriteFileCommand.cxx
   7   Date:      $Date: 2008/01/23 15:27:59 $
   8   Version:   $Revision: 1.16 $
   9 =======
  10   Date:      $Date: 2008-04-30 17:42:39 $
  11   Version:   $Revision: 1.17 $
  12 >>>>>>> 1.17
  13
  14   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  15   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
  16
  17      This software is distributed WITHOUT ANY WARRANTY; without even
  18      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  19      PURPOSE.  See the above copyright notices for more information.
  20
  21 =========================================================================*/
  22 #include "cmWriteFileCommand.h"
  23
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26
  27 // cmLibraryCommand
  28 bool cmWriteFileCommand
  29 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
  30 {
  31   if(args.size() < 2 )
  32     {
  33     this->SetError("called with incorrect number of arguments");
  34     return false;
  35     }
  36   std::string message;
  37   std::vector<std::string>::const_iterator i = args.begin();
  38
  39   std::string fileName = *i;
  40   bool overwrite = true;
  41   i++;
  42
  43   for(;i != args.end(); ++i)
  44     {
  45     if ( *i == "APPEND" )
  46       {
  47       overwrite = false;
  48       }
  49     else
  50       {
  51       message += *i;
  52       }
  53     }
  54
  55   if ( !this->Makefile->CanIWriteThisFile(fileName.c_str()) )
  56     {
  57     std::string e = "attempted to write a file: " + fileName
  58       + " into a source directory.";
  59     this->SetError(e.c_str());
  60     cmSystemTools::SetFatalErrorOccured();
  61     return false;
  62     }
  63
  64   std::string dir = cmSystemTools::GetFilenamePath(fileName);
  65   cmSystemTools::MakeDirectory(dir.c_str());
  66
  67   mode_t mode =
  68 #if defined( _MSC_VER ) || defined( __MINGW32__ )
  69     S_IREAD | S_IWRITE
  70 #elif defined( __BORLANDC__ )
  71     S_IRUSR | S_IWUSR
  72 #else
  73     S_IRUSR | S_IWUSR |
  74     S_IRGRP |
  75     S_IROTH
  76 #endif
  77     ;
  78
  79   // Set permissions to writable
  80   if ( cmSystemTools::GetPermissions(fileName.c_str(), mode) )
  81     {
  82     cmSystemTools::SetPermissions(fileName.c_str(),
  83 #if defined( _MSC_VER ) || defined( __MINGW32__ )
  84       S_IREAD | S_IWRITE
  85 #else
  86       S_IRUSR | S_IWUSR
  87 #endif
  88     );
  89     }
  90   // If GetPermissions fails, pretend like it is ok. File open will fail if
  91   // the file is not writable
  92   std::ofstream file(fileName.c_str(),
  93                      overwrite?std::ios::out : std::ios::app);
  94   if ( !file )
  95     {
  96     std::string error = "Internal CMake error when trying to open file: ";
  97     error += fileName.c_str();
  98     error += " for writing.";
  99     this->SetError(error.c_str());
 100     return false;
 101     }
 102   file << message << std::endl;
 103   file.close();
 104   cmSystemTools::SetPermissions(fileName.c_str(), mode);
 105
 106   return true;
 107 }
 108