DarkflameServer/dCommon/dConfig.cpp

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#include "dConfig.h"
#include <sstream>
#include <algorithm>
#include "BinaryPathFinder.h"
#include "GeneralUtils.h"
dConfig::dConfig(const std::string& filepath) {
m_ConfigFilePath = filepath;
LoadConfig();
}
std::filesystem::path GetConfigDir() {
std::filesystem::path config_dir = BinaryPathFinder::GetBinaryDir();
if (const char* env_p = std::getenv("DLU_CONFIG_DIR")) {
config_dir /= env_p;
}
return config_dir;
}
const bool dConfig::Exists(const std::string& filepath) {
std::filesystem::path config_dir = GetConfigDir();
return std::filesystem::exists(config_dir / filepath);
}
void dConfig::LoadConfig() {
std::filesystem::path config_dir = GetConfigDir();
std::ifstream in(config_dir / m_ConfigFilePath);
if (!in.good()) return;
std::string line{};
while (std::getline(in, line)) {
if (!line.empty() && line.front() != '#') ProcessLine(line);
}
std::ifstream sharedConfig(config_dir / "sharedconfig.ini", std::ios::in);
if (!sharedConfig.good()) return;
line.clear();
while (std::getline(sharedConfig, line)) {
if (!line.empty() && line.front() != '#') ProcessLine(line);
}
}
void dConfig::ReloadConfig() {
this->m_ConfigValues.clear();
LoadConfig();
}
const std::string& dConfig::GetValue(std::string key) {
std::string upper_key(key);
std::transform(upper_key.begin(), upper_key.end(), upper_key.begin(), ::toupper);
if (const char* env_p = std::getenv(upper_key.c_str())) {
this->m_ConfigValues[key] = env_p;
}
return this->m_ConfigValues[key];
}
void dConfig::ProcessLine(const std::string& line) {
auto splitLoc = line.find('=');
auto key = line.substr(0, splitLoc);
auto value = line.substr(splitLoc + 1);
//Make sure that on Linux, we remove special characters:
if (!value.empty() && value.at(value.size() - 1) == '\r') value.erase(value.size() - 1);
if (this->m_ConfigValues.find(key) != this->m_ConfigValues.end()) return;
this->m_ConfigValues.insert(std::make_pair(key, value));
}