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/*============================================================================
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 "cmGetFilenameComponentCommand.h"
#include "cmSystemTools.h"
// cmGetFilenameComponentCommand
bool cmGetFilenameComponentCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 3)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// Check and see if the value has been stored in the cache
// already, if so use that value
if(args.size() == 4 && args[3] == "CACHE")
{
const char* cacheValue = this->Makefile->GetDefinition(args[0].c_str());
if(cacheValue && !cmSystemTools::IsNOTFOUND(cacheValue))
{
return true;
}
}
std::string result;
std::string filename = args[1];
cmSystemTools::ExpandRegistryValues(filename);
std::string storeArgs;
std::string programArgs;
if (args[2] == "PATH")
{
result = cmSystemTools::GetFilenamePath(filename);
}
else if (args[2] == "NAME")
{
result = cmSystemTools::GetFilenameName(filename);
}
else if (args[2] == "PROGRAM")
{
for(unsigned int i=2; i < args.size(); ++i)
{
if(args[i] == "PROGRAM_ARGS")
{
i++;
if(i < args.size())
{
storeArgs = args[i];
}
}
}
cmSystemTools::SplitProgramFromArgs(filename.c_str(),
result, programArgs);
}
else if (args[2] == "EXT")
{
result = cmSystemTools::GetFilenameExtension(filename);
}
else if (args[2] == "NAME_WE")
{
result = cmSystemTools::GetFilenameWithoutExtension(filename);
}
else if (args[2] == "ABSOLUTE" ||
args[2] == "REALPATH")
{
// Collapse the path to its simplest form.
// If the path given is relative evaluate it relative to the
// current source directory.
result = cmSystemTools::CollapseFullPath(
filename.c_str(), this->Makefile->GetCurrentDirectory());
if(args[2] == "REALPATH")
{
// Resolve symlinks if possible
result = cmSystemTools::GetRealPath(filename.c_str());
}
}
else
{
std::string err = "unknown component " + args[2];
this->SetError(err.c_str());
return false;
}
if(args.size() == 4 && args[3] == "CACHE")
{
if(programArgs.size() && storeArgs.size())
{
this->Makefile->AddCacheDefinition
(storeArgs.c_str(), programArgs.c_str(),
"", args[2] == "PATH" ? cmCacheManager::FILEPATH
: cmCacheManager::STRING);
}
this->Makefile->AddCacheDefinition
(args[0].c_str(), result.c_str(), "",
args[2] == "PATH" ? cmCacheManager::FILEPATH
: cmCacheManager::STRING);
}
else
{
if(programArgs.size() && storeArgs.size())
{
this->Makefile->AddDefinition(storeArgs.c_str(), programArgs.c_str());
}
this->Makefile->AddDefinition(args[0].c_str(), result.c_str());
}
return true;
}
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