ConfigValue.h
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00001 // this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*-
00002 
00003 // -- BEGIN LICENSE BLOCK ----------------------------------------------
00004 // This file is part of FZIs ic_workspace.
00005 //
00006 // This program is free software licensed under the LGPL
00007 // (GNU LESSER GENERAL PUBLIC LICENSE Version 3).
00008 // You can find a copy of this license in LICENSE folder in the top
00009 // directory of the source code.
00010 //
00011 // © Copyright 2016 FZI Forschungszentrum Informatik, Karlsruhe, Germany
00012 //
00013 // -- END LICENSE BLOCK ------------------------------------------------
00014 
00015 //----------------------------------------------------------------------
00022 //----------------------------------------------------------------------
00023 #ifndef ICL_CORE_CONFIG_CONFIG_VALUE_H_INCLUDED
00024 #define ICL_CORE_CONFIG_CONFIG_VALUE_H_INCLUDED
00025 
00026 #include <icl_core/BaseTypes.h>
00027 #include <icl_core/TemplateHelper.h>
00028 
00029 #include "icl_core_config/ConfigHelper.h"
00030 #include "icl_core_config/ConfigManager.h"
00031 #include "icl_core_config/ConfigValueIface.h"
00032 #include "icl_core_config/Util.h"
00033 
00034 #ifdef _IC_BUILDER_OPENSPLICEDDS_
00035 # include "dds_dcps.h"
00036 # include "mapping/String.h"
00037 #endif
00038 
00039 # define CONFIG_VALUE(key, value)                                       \
00040   (new icl_core::config::ConfigValue<ICL_CORE_CONFIG_TYPEOF(value)>(key, value))
00041 
00042 
00043 namespace icl_core {
00044 namespace config {
00045 
00049 template <typename T>
00050 class ConfigValue : public impl::ConfigValueIface
00051 {
00052 public:
00056   ConfigValue(const icl_core::String& key,
00057               typename icl_core::ConvertToRef<T>::ToRef value)
00058     : m_key(key),
00059       m_value(value)
00060   { }
00061 
00064   virtual ~ConfigValue() { }
00065 
00068   virtual bool get(std::string const & prefix, icl_core::logging::LogStream& log_stream) const
00069   {
00070     if (ConfigManager::instance().get(prefix + m_key, m_str_value))
00071     {
00072       try
00073       {
00074         m_value = impl::hexical_cast<T>(m_str_value);
00075         return true;
00076       }
00077       catch (...)
00078       {
00079         return false;
00080       }
00081     }
00082     else
00083     {
00084       return false;
00085     }
00086   }
00087 
00090   virtual icl_core::String key() const
00091   {
00092     return m_key;
00093   }
00094 
00097   virtual icl_core::String stringValue() const
00098   {
00099     return m_str_value;
00100   }
00101 
00102 protected:
00103   icl_core::String m_key;
00104   mutable icl_core::String m_str_value;
00105   typename icl_core::ConvertToRef<T>::ToRef m_value;
00106 };
00107 
00108 template<>
00109 inline
00110 bool ConfigValue<bool>::get(std::string const & prefix, icl_core::logging::LogStream& log_stream) const
00111 {
00112   bool result = false;
00113   if (ConfigManager::instance().get(prefix + m_key, m_str_value))
00114   {
00115     try
00116     {
00117       m_value = impl::strict_bool_cast(m_str_value);
00118       result = true;
00119     }
00120     catch (...)
00121     {
00122       result = false;
00123     }
00124   }
00125   else
00126   {
00127     result = false;
00128   }
00129   return result;
00130 }
00131 
00132 #ifdef _IC_BUILDER_OPENSPLICEDDS_
00133 template<>
00134 inline
00135 bool ConfigValue<DDS::String>::get(std::string const & prefix, icl_core::logging::LogStream& log_stream) const
00136 {
00137   bool result = false;
00138   if (ConfigManager::instance().get(prefix + m_key, m_str_value))
00139   {
00140     m_value = DDS::string_dup(m_str_value.c_str());
00141     result = true;
00142   }
00143   else
00144   {
00145     result = false;
00146   }
00147   return result;
00148 }
00149 template<>
00150 inline
00151 bool ConfigValue<DDS::String_mgr>::get(std::string const & prefix,
00152                                        icl_core::logging::LogStream& log_stream) const
00153 {
00154   bool result = false;
00155   if (ConfigManager::instance().get(prefix + m_key, m_str_value))
00156   {
00157     m_value = DDS::string_dup(m_str_value.c_str());
00158     result = true;
00159   }
00160   else
00161   {
00162     result = false;
00163   }
00164   return result;
00165 }
00166 #endif
00167 
00168 }}
00169 
00170 #endif


fzi_icl_core
Author(s):
autogenerated on Tue Aug 8 2017 02:28:03