CMake/Source/cmIncludeCommand.h

93 lines
3.0 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 cmIncludeCommand_h
#define cmIncludeCommand_h
#include "cmCommand.h"
/** \class cmIncludeCommand
* \brief
*
* cmIncludeCommand defines a list of distant
* files that can be "included" in the current list file.
* In almost every sense, this is identical to a C/C++
* #include command. Arguments are first expended as usual.
*/
class cmIncludeCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmIncludeCommand;
}
/**
* 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 "include";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation() const
{
return "Read CMake listfile code from the given file.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation() const
{
return
" include(<file|module> [OPTIONAL] [RESULT_VARIABLE <VAR>]\n"
" [NO_POLICY_SCOPE])\n"
"Reads CMake listfile code from the given file. Commands in the file "
"are processed immediately as if they were written in place of the "
"include command. If OPTIONAL is present, then no error "
"is raised if the file does not exist. If RESULT_VARIABLE is given "
"the variable will be set to the full filename which "
"has been included or NOTFOUND if it failed.\n"
"If a module is specified instead of a file, the file with name "
"<modulename>.cmake is searched first in CMAKE_MODULE_PATH, then in the "
"CMake module directory. There is one exception to this: if the file "
"which calls include() is located itself in the CMake module directory, "
"then first the CMake module directory is searched and "
"CMAKE_MODULE_PATH afterwards. See also policy CMP0017."
"\n"
"See the cmake_policy() command documentation for discussion of the "
"NO_POLICY_SCOPE option."
;
}
cmTypeMacro(cmIncludeCommand, cmCommand);
};
#endif