CMake/Source/cmGetFilenameComponentCommand.cxx
Brad King f10c258167 BUG: Fix get_filename_component ABSOLUTE mode
This teaches the command to recognize full windows paths when built on
UNIX.  CollapseFullPath knows when the input path is relative better
than FileIsFullPath because the latter is only meant for paths from the
host platform.
2009-07-23 08:10:02 -04:00

125 lines
3.5 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices 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;
}