72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
#ifndef ConfigFile_h__
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#define ConfigFile_h__
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#include <string>
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#include <boost/filesystem.hpp>
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#include <boost/lexical_cast.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/range/adaptors.hpp>
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#include <ini_file/ini_file.hpp>
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#include "../Common.h"
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#include "ResourceManager.h"
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class ConfigFile : public Resource
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{
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friend class ResourceManager;
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private:
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ConfigFile(std::string path);
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public:
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template <typename T>
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T Get(std::string key, T defaultValue);
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template <typename T>
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void Set(std::string key, T value);
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const ini_file::section* GetSection(std::string section);
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const ini_file::section_map& GetSections() { return m_Merged; }
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const ini_file::param* GetParam(std::string key);
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void SaveToDisk();
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private:
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boost::filesystem::path m_Path;
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ini_file::section_map m_Defaults;
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ini_file::section_map m_Overrides;
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ini_file::section_map m_Merged;
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// Merge ini file section map b into a
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void mergeINI(ini_file::section_map& a, const ini_file::section_map& b);
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// Convert an ini key delimited by periods to a section and a param
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boost::optional<std::pair<std::string, std::string>> tokenizeKey(std::string key);
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};
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template <typename T>
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T ConfigFile::Get(std::string key, T defaultValue)
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{
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auto param = GetParam(key);
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if (param == nullptr) {
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return defaultValue;
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}
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return boost::lexical_cast<T>(param->get_value());
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}
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template <typename T>
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void ConfigFile::Set(std::string key, T value)
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{
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std::string section;
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std::string param;
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if (auto tokens = tokenizeKey(key)) {
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std::tie(section, param) = *tokens;
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} else {
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LOG_WARNING("%s: Malformed config key \"%s\"", m_Path.string().c_str(), key.c_str());
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return;
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}
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m_Overrides[section][param] = boost::lexical_cast<std::string>(value);
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m_Merged[section][param] = boost::lexical_cast<std::string>(value);
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}
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#endif
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