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src/systeminfo.cpp 4.3 KB
fe885bcf   Steven de Ridder   Initial commit.
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  /* ****************************************************************************
   * Copyright 2019 Open Systems Development BV                                 *
   *                                                                            *
   * Permission is hereby granted, free of charge, to any person obtaining a    *
   * copy of this software and associated documentation files (the "Software"), *
   * to deal in the Software without restriction, including without limitation  *
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
   * and/or sell copies of the Software, and to permit persons to whom the      *
   * Software is furnished to do so, subject to the following conditions:       *
   *                                                                            *
   * The above copyright notice and this permission notice shall be included in *
   * all copies or substantial portions of the Software.                        *
   *                                                                            *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    *
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        *
   * DEALINGS IN THE SOFTWARE.                                                  *
   * ***************************************************************************/
  #include "systeminfo.h"
  #include "log.h"
  
  #include <QDir>
  
  using namespace osdev::components;
  
  // The only instance of the singleton system info.
  std::unique_ptr<SystemInfo> SystemInfo::s_pInstance(nullptr);
  
  // The configuration directory.
  static const QString qsConfigDir = "config/";
  static const QString qsResourceDir = "resource/";
  
  static const QString qsDynaBuilderSystemPluginConfig;
  static const QString qsDynaBuilderUiPluginConfig;
  static const QString qsDynaBuilderBackendPluginConfig;
  
  
  SystemInfo::SystemInfo()
      : m_qsApplicationPath()
      , m_qsExecutablePath(QDir::currentPath())
  {
  }
  
  SystemInfo::~SystemInfo()
  {
  }
  
  SystemInfo& SystemInfo::Instance()
  {
      // Is it the first call?
      if (nullptr == s_pInstance)
      {
          // Create sole instance
          s_pInstance.reset(new SystemInfo());
      }
  
      // Return the address of sole instance
      return *s_pInstance.get();
  }
  
  void SystemInfo::destroyInstance()
  {
      s_pInstance.reset();
  }
  
  void SystemInfo::setApplicationPath(const QString& qsName)
  {
      QDir dir( qsName );
  
      m_qsApplicationPath = dir.absolutePath();
  
      LogInfo("SystemInfo::setApplicationPath",
              "ApplicationPath before :: " + m_qsApplicationPath);
  
      // Remove appl name.
      int lSlashPosition = m_qsApplicationPath.lastIndexOf ( '/' );
  
      // And platform path.
      // lSlashPosition = m_qsApplicationPath.lastIndexOf ( '/', lSlashPosition - 1);
      m_qsApplicationPath = m_qsApplicationPath.left( lSlashPosition + 1 );
  
      QString strBin = "bin";
  
      m_qsApplicationPath = m_qsApplicationPath.left( m_qsApplicationPath.lastIndexOf( strBin ) );
  
      LogInfo("SystemInfo::setApplicationPath",
              "ApplicationPath after :: " + m_qsApplicationPath);
  
      /// @todo The application can be started via the PATH variable. This path
      ///       should be prepended to the path.
  }
  
  QString SystemInfo::getApplicationPath() const
  {
      return m_qsApplicationPath;
  }
  
  QString SystemInfo::getExecutablePath() const
  {
      return m_qsExecutablePath;
  }
  
  QString SystemInfo::getResourcePath() const
  {
      return getApplicationPath() + qsResourceDir;
  }
  
  QString SystemInfo::getConfigurationPath() const
  {
      return getApplicationPath() + qsConfigDir;
  }
  
  QString SystemInfo::getConfigFile(ConfigFile fileType) const
  {
      switch(fileType)
      {
      case ConfigFile::System:
          return getApplicationPath() + qsConfigDir + qsDynaBuilderSystemPluginConfig;
      case ConfigFile::UI:
          return getApplicationPath() + qsConfigDir + qsDynaBuilderUiPluginConfig;
      case ConfigFile::Backend:
          return getApplicationPath() + qsConfigDir + qsDynaBuilderBackendPluginConfig;
      }
      Q_ASSERT(0 && "Unknown configuration file type");
      return QString();
  }