cmGetDirectoryPropertyCommand.cxx
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmGetDirectoryPropertyCommand.h"
#include "cmake.h"
// cmGetDirectoryPropertyCommand
bool cmGetDirectoryPropertyCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 2 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::const_iterator i = args.begin();
std::string variable = *i;
++i;
std::string output = "";
// get the directory argument if there is one
cmMakefile *dir = this->Makefile;
if (*i == "DIRECTORY")
{
++i;
if (i == args.end())
{
this->SetError
("DIRECTORY argument provided without subsequent arguments");
return false;
}
std::string sd = *i;
// make sure the start dir is a full path
if (!cmSystemTools::FileIsFullPath(sd.c_str()))
{
sd = this->Makefile->GetStartDirectory();
sd += "/";
sd += *i;
}
// The local generators are associated with collapsed paths.
sd = cmSystemTools::CollapseFullPath(sd.c_str());
// lookup the makefile from the directory name
cmLocalGenerator *lg =
this->Makefile->GetLocalGenerator()->GetGlobalGenerator()->
FindLocalGenerator(sd.c_str());
if (!lg)
{
this->SetError
("DIRECTORY argument provided but requested directory not found. "
"This could be because the directory argument was invalid or, "
"it is valid but has not been processed yet.");
return false;
}
dir = lg->GetMakefile();
++i;
}
// OK, now we have the directory to process, we just get the requested
// information out of it
if ( *i == "DEFINITION" )
{
++i;
if (i == args.end())
{
this->SetError("A request for a variable definition was made without "
"providing the name of the variable to get.");
return false;
}
output = dir->GetSafeDefinition(i->c_str());
this->Makefile->AddDefinition(variable.c_str(), output.c_str());
return true;
}
const char *prop = dir->GetProperty(i->c_str());
if (prop)
{
this->Makefile->AddDefinition(variable.c_str(), prop);
return true;
}
this->Makefile->AddDefinition(variable.c_str(), "");
return true;
}