Environment.hpp

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/*
 
  This file is part of OpenFLUID software
  Copyright(c) 2021-2026, INRAE
 
 
 == GNU General Public License Usage ==
 
  OpenFLUID is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OpenFLUID is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OpenFLUID. If not, see <http://www.gnu.org/licenses/>.
 
 
 == Other Usage ==
 
  Other Usage means a use of OpenFLUID that is inconsistent with the GPL
  license, and requires a written agreement between You and INRA.
  Licensees for Other Usage of OpenFLUID may use this file in accordance
  with the terms contained in the written agreement between You and INRA.
  
*/
 
/**
  @file Environment.hpp
 
  @author Jean-Christophe FABRE <jean-christophe.fabre@inra.fr>
*/
 
 
#ifndef __OPENFLUID_BASE_ENVIRONMENT_HPP__
#define __OPENFLUID_BASE_ENVIRONMENT_HPP__
 
 
#include <string>
#include <vector>
 
#include <openfluid/dllexport.hpp>
 
 
namespace openfluid { namespace base {
 
 
class OPENFLUID_API Environment
{
  private:
 
    Environment(Environment const&) = delete;
 
    void operator=(Environment const&) = delete;
 
    static bool m_Initialized;
 
 
  protected:
 
    static std::string m_SystemArch;
 
    static std::string m_HostName;
 
    static std::string m_UserName;
 
    static std::string m_Version;
 
    static std::string m_VersionFull;
 
    static std::string m_VersionMajorMinor;
 
    static std::string m_InstallPrefix;
 
    static std::string m_TempDir;
 
    static std::string m_UserHomeDir;
 
    static std::string m_UserDataDir;
 
    static std::string m_SettingsFile;
 
    static std::vector<std::string> m_DefaultSimulatorsDirs;
 
    static std::vector<std::string> m_ExtraSimulatorsDirs;
 
    static std::vector<std::string> m_DefaultObserversDirs;
 
    static std::vector<std::string> m_ExtraObserversDirs;
 
    static std::vector<std::string> m_DefaultBuilderextsDirs;
 
    static std::vector<std::string> m_ExtraBuilderextsDirs;
 
    static std::string m_ProvidedExamplesDir;
 
    static std::string m_UserExamplesDir;
    
    static std::string m_UserExampleObserversDir;
    
    static std::string m_UserExampleSimulatorsDir;
 
    static std::string m_TranslationsDir;
 
    static std::string m_CommonResourcesDir;
 
    static std::string m_AppsResourcesDir;
 
    static int m_IdealThreadCount;
 
    Environment()
    {
 
    }
 
    static std::string getWareFullPath(const std::vector<std::string>& Dirs, const std::string& Filename);
 
 
  public:
 
    /**
      Initializes OpenFLUID environment
    */
    static void init();
 
    /**
      Returns the current host name
      @return the host name
    */
    static std::string getHostName()
    {
      return m_HostName;
    }
 
    /**
      Returns the current system architecture. Possible values are defined in the global.hpp file
      with the OPENFLUID_OS_STRLABEL definition
      @return the system architecture
    */
    static std::string getSystemArch()
    {
      return m_SystemArch;
    }
 
    /**
      Returns the ideal thread count for the current running system
      @return the number of threads
    */
    static int getIdealThreadCount()
    {
      return m_IdealThreadCount;
    }
 
    /**
      Returns the ideal jobs count for the current running system
      @return the number of jobs
    */
    static int getIdealJobsCount()
    {
      return int(m_IdealThreadCount/2);
    }
 
    /**
      Returns the current user name
      @return the user name
    */
    static std::string getUserName()
    {
      return m_UserName;
    }
 
    /**
      Returns the current OpenFLUID version using the MAJOR.MINOR.PATCH format
      @return the version number
    */
    static std::string getVersion()
    {
      return m_Version;
    }
 
    /**
      Returns the current OpenFLUID version using the MAJOR.MINOR.PATCH~STATUS format
      @return the fully qualified version number
    */
    static std::string getVersionFull()
    {
      return m_VersionFull;
    }
 
    /**
      Returns the current OpenFLUID version using the MAJOR.MINOR format
      @return the simplified version number
    */
    static std::string getVersionMajorMinor()
    {
      return m_VersionMajorMinor;
    }
 
    /**
      Returns the current OpenFLUID temporary directory. It is automatically defined but can be forced using
      the OPENFLUID_TEMP_PATH environment variable.
      @return the full path to the directory
    */
    static std::string getTempDir()
    {
      return m_TempDir;
    }
 
    /**
      Returns the OpenFLUID install prefix directory. It is defined at build time but can be forced using
      the OPENFLUID_INSTALL_PREFIX environment variable.
      @return the full path to the directory
    */
    static std::string getInstallPrefix()
    {
      return m_InstallPrefix;
    }
 
    /**
      Returns the current user home directory
      @return the full path to the directory
    */
    static std::string getUserHomeDir()
    {
      return m_UserHomeDir;
    }
 
    /**
      Returns the OpenFLUID data directory for the current user
      @return the full path to the directory
    */
    static std::string getUserDataDir()
    {
      return m_UserDataDir;
    }
 
    /**
      Returns the full path of a file or directory relative to the OpenFLUID data directory for the current user
      @param[in] Path the path relative to the OpenFLUID user data directory
      @return the full path to the file or directory
    */
    static std::string getUserDataFullPath(const std::string& Path);
 
    /**
      Returns the full path of the examples directory for the current user
      @return the full path to the directory
    */
    static std::string getUserExamplesDir()
    {
      return m_UserExamplesDir;
    }
    
    /**
      Returns the full path of the example simulators directory
      @return the full path to the directory
    */
    static std::string getUserExampleSimulatorsDir()
    {
      return m_UserExampleSimulatorsDir;
    }
    
    /**
      Returns the full path of the example observers directory
      @return the full path to the directory
    */
    static std::string getUserExampleObserversDir()
    {
      return m_UserExampleObserversDir;
    }
 
    /**
      Returns the full path of the directory where examples provided by OpenFLUID or models installations are stored
      @return the full path to the directory
    */
    static std::string getProvidedExamplesDir()
    {
      return m_ProvidedExamplesDir;
    }
 
    /**
      Automatically prepares the user data directory
    */
    static void prepareUserDataDirectory();
 
    /**
      Returns the configuration file path for the current user
      @return the full path to the file
    */
    static std::string getSettingsFile()
    {
      return m_SettingsFile;
    }
 
    /**
      Returns the OpenFLUID translations directory
      @return the full path to the directory
    */
    static std::string getTranslationsDir()
    {
      return m_TranslationsDir;
    }
 
    /**
      Returns the OpenFLUID common resources directory
      @return the full path to the directory
    */
    static std::string getCommonResourcesDir()
    {
      return m_CommonResourcesDir;
    }
 
    /**
      Returns the full path of a file or directory relative to the OpenFLUID common resources directory
      @param[in] Path the path relative to the OpenFLUID common resources directory
      @return the full path to the file or directory
    */
    static std::string getCommonResourcesFullPath(const std::string& Path);
 
    /**
      Returns the resources directory for a given OpenFLUID software application
      @param[in] AppName the name of the OpenFLUID application
      @return the full path to the directory
    */
    static std::string getAppResourcesDir(const std::string& AppName);
 
    /**
      Returns the full path of a file or directory relative to the resources directory
      of a given OpenFLUID software application
      @param[in] AppName the name of the OpenFLUID application
      @param[in] Path the path relative to the OpenFLUID application resources directory
      @return the full path to the file or directory
    */
    static std::string getAppResourcesFullPath(const std::string& AppName, const std::string& Path);
 
    /**
      Returns the list of directories full paths where OpenFLUID searches for simulators.
      Extra directories added at run time are at the beginning of the list, followed by standard search paths.
      @return the list of directories full paths
    */
    static std::vector<std::string> getSimulatorsDirs();
 
    /**
      Returns the list of default directories full paths where OpenFLUID searches for simulators.
      @return the list of directories full paths
    */
    static std::vector<std::string> getDefaultSimulatorsDirs()
    {
      return m_DefaultSimulatorsDirs;
    }
 
    /**
      Returns the list of extra added directories full paths where OpenFLUID searches for simulators.
      @return the list of directories full paths
    */
    static std::vector<std::string> getExtraSimulatorsDirs()
    {
      return m_ExtraSimulatorsDirs;
    }
 
    /**
      Adds paths to the list of directories where OpenFLUID searches for simulators.
      The paths are given as a single string of paths separated by ":" (on Unices systems) or ";" (on Windows systems)
      @param[in] Paths the list of full paths as a single string
    */
    static void addExtraSimulatorsDirs(const std::string& Paths);
 
    /**
      Resets the list of extra directories where OpenFLUID searches for simulators to empty
    */
    static void resetExtraSimulatorsDirs();
 
    /**
      Returns the full path of a searched simulator file
      @return the full path of the searched file, empty if not found
    */
    static std::string getSimulatorFullPath(const std::string& Filename);
 
    /**
      Returns the list of directories full paths where OpenFLUID searches for observers.
      Extra directories added at run time are at the beginning of the list, followed by standard search paths.
      @return the list of directories full paths
    */
    static std::vector<std::string> getObserversDirs();
 
    /**
      Returns the list of default directories full paths where OpenFLUID searches for observers.
      @return the list of directories full paths
    */
    static std::vector<std::string> getDefaultObserversDirs()
    {
      return m_DefaultObserversDirs;
    }
 
    /**
      Returns the list of extra added directories full paths where OpenFLUID searches for observers.
      @return the list of directories full paths
    */
    static std::vector<std::string> getExtraObserversDirs()
    {
      return m_ExtraObserversDirs;
    }
 
    /**
      Adds paths to the list of directories where OpenFLUID searches for observers.
      The paths are given as a single string of paths separated by ":" (on Unices systems) or ";" (on Windows systems)
      @param[in] Paths the list of full paths as a single string
    */
    static void addExtraObserversDirs(const std::string& Paths);
 
    /**
      Resets the list of extra directories where OpenFLUID searches for observers to empty
    */
    static void resetExtraObserversDirs();
 
    /**
      Returns the full path of a searched observer file
      @return the full path of the searched file, empty if not found
    */
    static std::string getObserverFullPath(const std::string& Filename);
 
    /**
      Returns the list of directories full paths where OpenFLUID searches for builder-extensions.
      Extra directories added at run time are at the beginning of the list, followed by standard search paths.
      @return the list of directories full paths
    */
    static std::vector<std::string> getBuilderextsDirs();
 
    /**
      Returns the list of default directories full paths where OpenFLUID searches for builder-extensions.
      @return the list of directories full paths
    */
    static std::vector<std::string> getDefaultBuilderextsDirs()
    {
      return m_DefaultBuilderextsDirs;
    }
 
    /**
      Returns the list of extra added directories full paths where OpenFLUID searches for builder-extensions.
      @return the list of directories full paths
    */
    static std::vector<std::string> getExtraBuilderextsDirs()
    {
      return m_ExtraBuilderextsDirs;
    }
 
    /**
      Adds paths to the list of directories where OpenFLUID searches for builder-extensions.
      The paths are given as a single string of paths separated by ":" (on Unices systems) or ";" (on Windows systems)
      @param[in] Paths the list of full paths as a single string
    */
    static void addExtraBuilderextsDirs(const std::string& Paths);
 
    /**
      Resets the list of extra directories where OpenFLUID searches for builder-extensions to empty
    */
    static void resetExtraBuilderextsDirs();
 
    /**
      Returns the full path of a searched builder-extension file
      @return the full path of the searched file, empty if not found
    */
    static std::string getBuilderextFullPath(const std::string& Filename);
 
};
 
 
} }  // namespaces
 
 
#endif /* __OPENFLUID_BASE_ENVIRONMENT_HPP__ */