CMake/Source/cmCMakeHostSystemInformatio...

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2013 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 cmCMakeHostSystemInformationCommand_h
#define cmCMakeHostSystemInformationCommand_h
#include "cmCommand.h"
#include <cmsys/SystemInformation.hxx>
/** \class cmCMakeHostSystemInformationCommand
* \brief Query host system specific information
*
* cmCMakeHostSystemInformationCommand queries system information of
* the sytem on which CMake runs.
*/
class cmCMakeHostSystemInformationCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmCMakeHostSystemInformationCommand;
}
/**
* 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 "cmake_host_system_information";
}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation() const
{
return "Query host system specific information.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation() const
{
return
" cmake_host_system_information(RESULT <variable> QUERY <key> ...)\n"
"Queries system information of the host system on which cmake runs. "
"One or more <key> can be provided to "
"select the information to be queried. "
"The list of queried values is stored in <variable>.\n"
"<key> can be one of the following values:\n"
" NUMBER_OF_LOGICAL_CORES = Number of logical cores.\n"
" NUMBER_OF_PHYSICAL_CORES = Number of physical cores.\n"
" HOSTNAME = Hostname.\n"
" FQDN = Fully qualified domain name.\n"
" TOTAL_VIRTUAL_MEMORY = "
"Total virtual memory in megabytes.\n"
" AVAILABLE_VIRTUAL_MEMORY = "
"Available virtual memory in megabytes.\n"
" TOTAL_PHYSICAL_MEMORY = "
"Total physical memory in megabytes.\n"
" AVAILABLE_PHYSICAL_MEMORY = "
"Available physical memory in megabytes.\n"
;
}
cmTypeMacro(cmCMakeHostSystemInformationCommand, cmCommand);
private:
bool GetValue(cmsys::SystemInformation &info,
std::string const& key, std::string &value);
std::string ValueToString(size_t value) const;
std::string ValueToString(const char *value) const;
std::string ValueToString(std::string const& value) const;
};
#endif