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136 lines
4.0 KiB
C++
136 lines
4.0 KiB
C++
/*
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Copyright 2021 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#pragma once
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#include <fstream>
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#include <regex>
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#include <string>
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#include <nlohmann/json.hpp>
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#include <spdlog/spdlog.h>
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namespace Settings {
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inline struct Launch {
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bool launch = false;
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std::wstring launchPath;
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std::wstring launchAppArgs;
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bool closeOnExit = true;
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bool waitForChildProcs = false;
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bool isUWP = false;
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} launch;
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inline struct Devices {
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bool hideDevices = true;
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} devices;
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inline struct Window {
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bool windowMode = false;
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int maxFps = 0;
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float scale = 0.f;
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} window;
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inline bool checkIsUwp(const std::wstring& launch_path)
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{
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std::wsmatch m;
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if (!std::regex_search(launch_path, m, std::wregex(L"^.{1,3}:"))) {
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return true;
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}
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return false;
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}
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inline void Parse(std::string arg1)
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{
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if (!arg1.ends_with(".json")) {
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arg1 += ".json";
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}
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std::filesystem::path path(arg1);
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if (path.has_extension() && !std::filesystem::exists(path)) {
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path = std::filesystem::temp_directory_path()
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.parent_path()
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.parent_path()
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.parent_path();
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path /= "Roaming";
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path /= "GlosSI";
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path /= "Targets";
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path /= arg1;
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}
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std::ifstream json_file;
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json_file.open(path);
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if (!json_file.is_open()) {
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spdlog::error("Couldn't open settings file {}", path.string());
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return;
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}
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const auto json = nlohmann::json::parse(json_file);
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if (json["version"] != 1) { // TODO: versioning stuff
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spdlog::warn("Config version doesn't match application version.");
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}
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// TODO: make this as much generic as fits in about the same amount of code if one would parse every value separately.
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auto safeParseValue = [](const auto& object, const auto& key, auto& value) {
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try {
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if (object[key].is_null()) {
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return;
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}
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value = object[key];
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} catch (const nlohmann::json::exception& e) {
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spdlog::error("Err parsing \"{}\"; {}", key, e.what());
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}
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};
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auto safeWStringParse = [&safeParseValue](const auto& object, const auto& key, std::wstring& value) {
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std::string meh;
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safeParseValue(object, key, meh);
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if (!meh.empty()) {
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value.clear();
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std::ranges::transform(meh, std::back_inserter(value), [](const auto& ch) {
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return static_cast<wchar_t>(ch);
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});
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}
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};
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if (auto launchconf = json["launch"]; launchconf.is_object()) {
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safeParseValue(launchconf, "launch", launch.launch);
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safeWStringParse(launchconf, "launchPath", launch.launchPath);
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safeWStringParse(launchconf, "launchAppArgs", launch.launchAppArgs);
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safeParseValue(launchconf, "closeOnExit", launch.closeOnExit);
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safeParseValue(launchconf, "waitForChildProcs", launch.waitForChildProcs);
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}
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if (auto devconf = json["devices"]; devconf.is_object()) {
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safeParseValue(devconf, "hideDevices", devices.hideDevices);
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}
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if (auto winconf = json["window"]; winconf.is_object()) {
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safeParseValue(winconf, "windowMode", window.windowMode);
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safeParseValue(winconf, "maxFps", window.maxFps);
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safeParseValue(winconf, "scale", window.scale);
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}
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json_file.close();
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spdlog::debug("Read config file \"{}\"", path.string());
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if (launch.launch) {
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launch.isUWP = checkIsUwp(launch.launchPath);
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}
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}
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} // namespace Settings
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