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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