CMake/Source/cmGetFilenameComponentComma...

93 lines
3.2 KiB
C++

/*============================================================================
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.
============================================================================*/
#ifndef cmGetFilenameComponentCommand_h
#define cmGetFilenameComponentCommand_h
#include "cmCommand.h"
/** \class cmGetFilenameComponentCommand
* \brief Get a specific component of a filename.
*
* cmGetFilenameComponentCommand is a utility command used to get the path,
* name, extension or name without extension of a full filename.
*/
class cmGetFilenameComponentCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmGetFilenameComponentCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args,
cmExecutionStatus &status);
/**
* This determines if the command is invoked when in script mode.
*/
virtual bool IsScriptable() const { return true; }
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() const { return "get_filename_component";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation() const
{
return "Get a specific component of a full filename.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation() const
{
return
" get_filename_component(<VAR> <FileName> <COMP> [CACHE])\n"
"Set <VAR> to a component of <FileName>, where <COMP> is one of:\n"
" PATH = Directory without file name\n"
" NAME = File name without directory\n"
" EXT = File name longest extension (.b.c from d/a.b.c)\n"
" NAME_WE = File name without directory or longest extension\n"
" ABSOLUTE = Full path to file\n"
" REALPATH = Full path to existing file with symlinks resolved\n"
"Paths are returned with forward slashes and have no trailing slahes. "
"The longest file extension is always considered. "
"If the optional CACHE argument is specified, the result variable is "
"added to the cache.\n"
" get_filename_component(<VAR> FileName\n"
" PROGRAM [PROGRAM_ARGS <ARG_VAR>]\n"
" [CACHE])\n"
"The program in FileName will be found in the system search path or "
"left as a full path. If PROGRAM_ARGS is present with PROGRAM, then "
"any command-line arguments present in the FileName string are split "
"from the program name and stored in <ARG_VAR>. This is used to "
"separate a program name from its arguments in a command line string.";
}
cmTypeMacro(cmGetFilenameComponentCommand, cmCommand);
};
#endif