CMakeLua/Source/cmIncludeDirectoryCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmIncludeDirectoryCommand.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008/01/23 15:27:59 $
   7   Version:   $Revision: 1.27 $
   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 "cmIncludeDirectoryCommand.h"
  18
  19 // cmIncludeDirectoryCommand
  20 bool cmIncludeDirectoryCommand
  21 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
  22 {
  23   if(args.size() < 1 )
  24     {
  25     return true;
  26     }
  27
  28   std::vector<std::string>::const_iterator i = args.begin();
  29
  30   bool before = this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
  31   bool system = false;
  32
  33   if ((*i) == "BEFORE")
  34     {
  35     before = true;
  36     ++i;
  37     }
  38   else if ((*i) == "AFTER")
  39     {
  40     before = false;
  41     ++i;
  42     }
  43
  44   for(; i != args.end(); ++i)
  45     {
  46     if(*i == "SYSTEM")
  47       {
  48       system = true;
  49       continue;
  50       }
  51     if(i->size() == 0)
  52       {
  53       const char* versionValue =
  54         this->Makefile->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY");
  55       const char* errorMessage
  56         = "Empty Include Directory Passed into INCLUDE_DIRECTORIES command.";
  57       if(atof(versionValue) < 2.5)
  58         {
  59         cmSystemTools::Error(errorMessage);
  60         }
  61       else
  62         {
  63         this->SetError(errorMessage);
  64         return 0;
  65         }
  66       }
  67
  68     this->AddDirectory(i->c_str(),before,system);
  69
  70     }
  71   return true;
  72 }
  73
  74 // do a lot of cleanup on the arguments because this is one place where folks
  75 // sometimes take the output of a program and pass it directly into this
  76 // command not thinking that a single argument could be filled with spaces
  77 // and newlines etc liek below:
  78 //
  79 // "   /foo/bar
  80 //    /boo/hoo /dingle/berry "
  81 //
  82 // ideally that should be three seperate arguments but when sucking the
  83 // output from a program and passing it into a command the cleanup doesn't
  84 // always happen
  85 //
  86 void cmIncludeDirectoryCommand::AddDirectory(const char *i,
  87                                              bool before,
  88                                              bool system)
  89 {
  90   // break apart any line feed arguments
  91   std::string ret = i;
  92   std::string::size_type pos = 0;
  93   if((pos = ret.find('\n', pos)) != std::string::npos)
  94     {
  95     if (pos)
  96       {
  97       this->AddDirectory(ret.substr(0,pos).c_str(), before, system);
  98       }
  99     if (ret.size()-pos-1)
 100       {
 101       this->AddDirectory(ret.substr(pos+1,ret.size()-pos-1).c_str(),
 102                          before, system);
 103       }
 104     return;
 105     }
 106
 107   // remove any leading or trailing spaces and \r
 108   pos = ret.size()-1;
 109   while(ret[pos] == ' ' || ret[pos] == '\r')
 110     {
 111     ret.erase(pos);
 112     pos--;
 113     }
 114   pos = 0;
 115   while(ret.size() && ret[pos] == ' ' || ret[pos] == '\r')
 116     {
 117     ret.erase(pos,1);
 118     }
 119   if (!ret.size())
 120     {
 121     return;
 122     }
 123
 124   if (!cmSystemTools::IsOff(ret.c_str()))
 125     {
 126     cmSystemTools::ConvertToUnixSlashes(ret);
 127     if(!cmSystemTools::FileIsFullPath(ret.c_str()))
 128       {
 129       std::string tmp = this->Makefile->GetStartDirectory();
 130       tmp += "/";
 131       tmp += ret;
 132       ret = tmp;
 133       }
 134     }
 135   this->Makefile->AddIncludeDirectory(ret.c_str(), before);
 136   if(system)
 137     {
 138     this->Makefile->AddSystemIncludeDirectory(ret.c_str());
 139     }
 140 }
 141