161 lines
4.3 KiB
C++
161 lines
4.3 KiB
C++
//SPDX-FileCopyrightText: 2018 - 2023 UnionTech Software Technology Co., Ltd.
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//
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//SPDX-License-Identifier: GPL-3.0-or-later
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#ifndef BB9B5BB3_BEAF_4D25_B4F6_55273B263973
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#define BB9B5BB3_BEAF_4D25_B4F6_55273B263973
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#ifdef USE_QT
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#include <QSettings>
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#include <QTextStream>
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static QSettings DesktopDeconstruction(const QString &desktop)
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{
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auto IniReadFunc = [](QIODevice &device, QSettings::SettingsMap &settingsMap) -> bool {
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QTextStream stream(&device);
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QString group;
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while (!stream.atEnd()) {
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QString line = stream.readLine();
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if (group.isEmpty()) {
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if (line.front() == '[' && line.back() == ']') {
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group = line.mid(1, line.size() - 2);
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}
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}
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else {
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if (line.isEmpty()) {
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group.clear();
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}
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else {
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int index = line.indexOf("=");
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if (index != -1) {
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QString name = group + "/" + line.mid(0, index);
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QVariant value = QVariant(line.mid(index + 1));
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settingsMap.insert(name, value);
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}
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}
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}
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}
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return true;
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};
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return QSettings(desktop, QSettings::registerFormat("ini", IniReadFunc, nullptr));
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}
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#else
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#include <algorithm>
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#include <any>
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#include <fstream>
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#include <iostream>
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#include <memory>
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#include <regex>
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#include <string>
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#include <utility>
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#include <variant>
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#include <vector>
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class DesktopDeconstruction
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{
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std::string m_path;
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std::string m_group;
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struct Entry {
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typedef std::string Key;
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typedef std::any Value;
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std::string name;
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std::vector<std::pair<Key, Value>> pairs;
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};
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std::vector<std::shared_ptr<Entry>> _parse()
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{
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std::ifstream file(m_path);
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if (!file) {
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return {};
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}
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std::string line;
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std::regex group_regex("\\[(.*?)\\]");
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std::vector<std::shared_ptr<struct Entry>> entrys;
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std::shared_ptr<Entry> currentEntry;
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while (std::getline(file, line)) {
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// 匹配 group，如果是，就进入判断
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if (std::regex_match(line, group_regex)) {
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std::smatch result;
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if (std::regex_search(line, result, group_regex)) {
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currentEntry = std::make_shared<Entry>();
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currentEntry.get()->name = result.str();
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entrys.push_back(currentEntry);
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}
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continue;
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}
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if (!currentEntry) {
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continue;
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}
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// 跳过 # 开头的注释
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if (!line.empty() && line[0] == '#') {
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continue;
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}
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const size_t index = line.find('=');
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const std::string key = line.substr(0, index);
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const std::any value = line.substr(index + 1, line.size());
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currentEntry.get()->pairs.push_back({key, value});
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}
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file.close();
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return entrys;
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}
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public:
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DesktopDeconstruction(const std::string &path)
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: m_path(path)
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{
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}
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~DesktopDeconstruction()
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{
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}
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void beginGroup(const std::string group)
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{
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m_group = group;
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}
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void endGroup()
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{
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m_group.clear();
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}
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std::vector<std::string> listKeys()
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{
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std::vector<std::shared_ptr<Entry>> entrys{ _parse() };
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std::vector<std::string> result;
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for (const std::shared_ptr<Entry> entry : entrys) {
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for (const auto pair : entry.get()->pairs) {
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result.push_back(pair.first);
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}
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}
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return result;
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}
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template <typename T>
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T value(const std::string key)
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{
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std::vector<std::shared_ptr<Entry>> entrys{ _parse() };
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for (const std::shared_ptr<Entry> entry : entrys) {
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if (entry.get()->name == "[" + m_group + "]") {
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for (const auto pair : entry.get()->pairs) {
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if (pair.first == key) {
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return std::any_cast<T>(pair.second);
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}
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}
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}
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}
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return {};
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}
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};
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#endif
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#endif /* BB9B5BB3_BEAF_4D25_B4F6_55273B263973 */
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