108 lines
4.3 KiB
C++
108 lines
4.3 KiB
C++
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#pragma once
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#include <boost/log/trivial.hpp>
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#include "Definitions.hpp"
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#include "iostream"
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#include <fstream>
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#include <json.hpp>
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#include <stdexcept>
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using json = nlohmann::json;
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class Configurator{
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public:
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/**
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* @brief Checks if attribute exists in either the normal or the default config file
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*
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* @param att_name Name of attribute that is searched for
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* @return true when attribute was found
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* @return false when attribute wasn't found
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*/
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bool entry_exists(const std::string att_name);
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//-----------------------------------------------------------------------------------
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//------------------------------- Get-Methods ---------------------------------------
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//-----------------------------------------------------------------------------------
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/**
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* @brief Get value from config as string object
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*
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* @param att_name Name of attribute that is searched for
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* @param default_value When set to true the method searches in the default config (default: false)
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* @return std::string value
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*/
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std::string get_config_as_string(const std::string& att_name,
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bool default_value = false);
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/**
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* @brief Get value from config as unsigned integer
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*
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* @param att_name Name of attribute that is searched for
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* @param default_value When set to true the method searches in the default config (default: false)
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* @return std::string value
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*/
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unsigned int get_config_as_unsigned_int(const std::string& att_name,
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bool default_value = false);
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/**
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* @brief Get value from config as boolean
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*
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* @param att_name Name of attribute that is searched for
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* @param default_value When set to true the method searches in the default config (default: false)
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* @return std::string value
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*/
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bool get_config_as_bool(const std::string& att_name,
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bool default_value = false);
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/**
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* @brief Get value from config as float
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*
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* @param att_name Name of attribute that is searched for
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* @param default_value When set to true the method searches in the default config (default: false)
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* @return std::string value
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*/
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float get_config_as_float(const std::string& att_name,
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bool default_value = false);
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/**
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* @brief Get value from config as double
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*
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* @param att_name Name of attribute that is searched for
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* @param default_value When set to true the method searches in the default config (default: false)
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* @return std::string value
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*/
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double get_config_as_double(const std::string& att_name,
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bool default_value = false);
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/**
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* @brief Reads config and default config from json files
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*
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* @param path Path to standard config (which can be modified by the user)
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* @param default_path Path to default config (default: "../default_config.json")
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*/
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void read_config(std::string path,
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std::string default_path = "../default_config.json");
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/**
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* @brief The Configurator is implemented as a singleton. This method returns a poiter to the Configurator object
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*
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* @return Configurator* poiter to singleton Configurator
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*/
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static Configurator* instance();
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private:
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json _config; ///< standard config (can be modified by the user)
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json _default_config; ///< default config
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template <typename T> T get_value_from_config(const std::string& att_name, bool default_value);
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static Configurator* _instance; ///< singleton Configurator
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Configurator();
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Configurator(const Configurator&);
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~Configurator();
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class CGuard{
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public:
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~CGuard(){
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if( NULL != Configurator::_instance ){
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delete Configurator::_instance;
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Configurator::_instance = nullptr;
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}
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}
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};
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};
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