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// SPDX-License-Identifier: LGPL-3.0-or-later
// Author: Kristian Lytje
#include <settings/SettingsIO.h>
#include <settings/SettingsIORegistry.h>
#include <utility/Exceptions.h>
#include <utility/StringUtils.h>
#include <utility/Console.h>
#include <fstream>
using namespace ausaxs;
void settings::detail::parse_option(const std::string& name, const std::vector<std::string>& value) {
if (!settings::io::detail::ISettingRef::get_stored_settings().contains(name)) {
throw std::runtime_error("Unknown option: \"" + name + "\".");
}
settings::io::detail::ISettingRef::get_stored_settings()[name]->set(value);
}
bool settings::detail::is_comment_char(char c) {
switch (c) {
case '#':
case ';':
case '/':
case '[':
return true;
default:
return false;
}
}
void settings::read(const ::io::ExistingFile& path) {
console::print_info("Reading settings from file: \"" + path.str() + "\"");
std::ifstream input(path);
if (!input.is_open()) {throw std::ios_base::failure("settings::read: Could not open setup file.");}
std::string line;
while (getline(input, line)) {
if (line.empty()) {continue;} // skip empty lines
if (detail::is_comment_char(line[0])) {continue;} // skip comments
auto tokens = utility::split(line, " \t");
if (tokens.size() == 1) {
console::print_text_minor("\tsettings::read: Skipping line: \"" + line + "\" as no value could be found.");
continue;
}
std::string name = tokens[0];
tokens.erase(tokens.begin());
detail::parse_option(name, tokens);
}
}
void settings::write(const ::io::File& path) {
path.directory().create();
std::ofstream output(path);
if (!output.is_open()) {throw std::ios_base::failure("settings::write: Could not open setup file.");}
output << "### Auto-generated settings file ###\n";
for (const auto& section : settings::io::SettingSection::get_sections()) {
output << "\n[ " << section->name << " ]\n";
for (const auto& setting : section->settings) {
output << setting->names.front() << " " << setting->get() << std::endl;
}
}
}
bool settings::discover(const ::io::Folder& path) {
static std::vector<std::string> valid_names = {"settings", "setting", "setup", "config"};
for (const auto& e : valid_names) {
::io::File file(path, e, ".txt");
if (file.exists()) {
settings::read(file);
return true;
}
}
return false;
}
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