Source/cmGetDirectoryPropertyCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmGetDirectoryPropertyCommand.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008-01-23 15:27:59 $
   7   Version:   $Revision: 1.11 $
   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 #include "cmGetDirectoryPropertyCommand.h"
  18
  19 #include "cmake.h"
  20
  21 // cmGetDirectoryPropertyCommand
  22 bool cmGetDirectoryPropertyCommand
  23 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
  24 {
  25   if(args.size() < 2 )
  26     {
  27     this->SetError("called with incorrect number of arguments");
  28     return false;
  29     }
  30
  31   std::vector<std::string>::const_iterator i = args.begin();
  32   std::string variable = *i;
  33   ++i;
  34   std::string output = "";
  35
  36   // get the directory argument if there is one
  37   cmMakefile *dir = this->Makefile;
  38   if (*i == "DIRECTORY")
  39     {
  40     ++i;
  41     if (i == args.end())
  42       {
  43       this->SetError
  44         ("DIRECTORY argument provided without subsequent arguments");
  45       return false;
  46       }
  47     std::string sd = *i;
  48     // make sure the start dir is a full path
  49     if (!cmSystemTools::FileIsFullPath(sd.c_str()))
  50       {
  51       sd = this->Makefile->GetStartDirectory();
  52       sd += "/";
  53       sd += *i;
  54       }
  55
  56     // The local generators are associated with collapsed paths.
  57     sd = cmSystemTools::CollapseFullPath(sd.c_str());
  58
  59     // lookup the makefile from the directory name
  60     cmLocalGenerator *lg =
  61       this->Makefile->GetLocalGenerator()->GetGlobalGenerator()->
  62       FindLocalGenerator(sd.c_str());
  63     if (!lg)
  64       {
  65       this->SetError
  66         ("DIRECTORY argument provided but requested directory not found. "
  67          "This could be because the directory argument was invalid or, "
  68          "it is valid but has not been processed yet.");
  69       return false;
  70       }
  71     dir = lg->GetMakefile();
  72     ++i;
  73     }
  74
  75   // OK, now we have the directory to process, we just get the requested
  76   // information out of it
  77
  78   if ( *i == "DEFINITION" )
  79     {
  80     ++i;
  81     if (i == args.end())
  82       {
  83       this->SetError("A request for a variable definition was made without "
  84                      "providing the name of the variable to get.");
  85       return false;
  86       }
  87     output = dir->GetSafeDefinition(i->c_str());
  88     this->Makefile->AddDefinition(variable.c_str(), output.c_str());
  89     return true;
  90     }
  91
  92   const char *prop = dir->GetProperty(i->c_str());
  93   if (prop)
  94     {
  95     this->Makefile->AddDefinition(variable.c_str(), prop);
  96     return true;
  97     }
  98   this->Makefile->AddDefinition(variable.c_str(), "");
  99   return true;
 100 }
 101