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axyz/include/Engine/Core/ConfigFile.h
T

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1.5 KiB
C++

#ifndef ConfigFile_h__
#define ConfigFile_h__
#include <string>
#include <boost/filesystem.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/ini_parser.hpp>
#include <boost/lexical_cast.hpp>
#include "../Common.h"
#include "ResourceManager.h"
class ConfigFile : public Resource
{
friend class ResourceManager;
private:
ConfigFile(std::string path);
public:
template <typename T>
T Get(std::string key, T defaultValue);
template <typename T>
std::vector<std::pair<std::string, T>> GetAll(std::string key);
template <typename T>
void Set(std::string key, T value);
void SaveToDisk();
private:
boost::filesystem::path m_Path;
boost::property_tree::ptree m_PTreeDefaults;
boost::property_tree::ptree m_PTreeOverrides;
boost::property_tree::ptree m_PTreeMerged;
};
template <typename T>
T ConfigFile::Get(std::string key, T defaultValue)
{
return m_PTreeMerged.get<T>(key, defaultValue);
}
template <typename T>
std::vector<std::pair<std::string, T>> ConfigFile::GetAll(std::string key)
{
std::vector<std::pair<std::string, T>> out;
auto parent = m_PTreeMerged.find(key);
if (parent == m_PTreeMerged.not_found()) {
return out;
}
for (auto& child : parent->second) {
T value = boost::lexical_cast<T>(child.second.data());
out.push_back(std::make_pair(child.first, value));
}
return out;
}
template <typename T>
void ConfigFile::Set(std::string key, T value)
{
m_PTreeOverrides.put<T>(key, value);
m_PTreeMerged.put<T>(key, value);
}
#endif