mirror of
https://github.com/MihailRis/voxelcore.git
synced 2026-10-04 18:41:51 +00:00
349 lines
11 KiB
C++
349 lines
11 KiB
C++
#include "engine_paths.hpp"
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#include <algorithm>
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#include <array>
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#include <filesystem>
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#include <sstream>
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#include <stack>
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#include "typedefs.hpp"
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#include "util/stringutil.hpp"
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#include <utility>
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#include "io/devices/StdfsDevice.hpp"
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#include "world/files/WorldFiles.hpp"
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#include "debug/Logger.hpp"
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namespace fs = std::filesystem;
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static debug::Logger logger("engine-paths");
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static inline auto SCREENSHOTS_FOLDER = std::filesystem::u8path("screenshots");
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static inline auto CONTENT_FOLDER = std::filesystem::u8path("content");
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static inline auto WORLDS_FOLDER = std::filesystem::u8path("worlds");
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static inline auto CONFIG_FOLDER = std::filesystem::u8path("config");
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static inline auto EXPORT_FOLDER = std::filesystem::u8path("export");
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static inline auto CONTROLS_FILE = std::filesystem::u8path("controls.toml");
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static inline auto SETTINGS_FILE = std::filesystem::u8path("settings.toml");
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static io::path toCanonic(io::path path) {
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std::stack<std::string> parts;
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path = std::filesystem::u8path(path.string()).lexically_normal().string();
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do {
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parts.push(path.name());
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path = path.parent();
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} while (!path.empty());
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path = "";
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while (!parts.empty()) {
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const std::string part = parts.top();
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parts.pop();
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if (part == ".") {
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continue;
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}
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if (part == "..") {
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throw files_access_error("entry point reached");
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}
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path = path / std::filesystem::path(part);
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}
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return path;
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}
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void EnginePaths::prepare() {
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io::set_device("res", std::make_shared<io::StdfsDevice>(resourcesFolder));
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io::set_device("user", std::make_shared<io::StdfsDevice>(userFilesFolder));
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if (!io::is_directory("res:")) {
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throw std::runtime_error(
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resourcesFolder.string() + " is not a directory"
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);
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}
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if (!io::is_directory("user:")) {
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io::create_directories("user:");
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}
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logger.info() << "resources folder: " << fs::canonical(resourcesFolder).u8string();
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logger.info() << "user files folder: " << fs::canonical(userFilesFolder).u8string();
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auto contentFolder = io::path("user:") / CONTENT_FOLDER;
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if (!io::is_directory(contentFolder)) {
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io::create_directories(contentFolder);
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}
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auto exportFolder = io::path("user:") / EXPORT_FOLDER;
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if (!io::is_directory(exportFolder)) {
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io::create_directories(exportFolder);
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}
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auto configFolder = io::path("user:") / CONFIG_FOLDER;
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if (!io::is_directory(configFolder)) {
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io::create_directories(configFolder);
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}
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}
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const std::filesystem::path& EnginePaths::getUserFilesFolder() const {
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return userFilesFolder;
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}
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const std::filesystem::path& EnginePaths::getResourcesFolder() const {
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return resourcesFolder;
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}
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io::path EnginePaths::getNewScreenshotFile(const std::string& ext) {
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auto folder = io::path("user:") / SCREENSHOTS_FOLDER;
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if (!io::is_directory(folder)) {
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io::create_directories(folder);
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}
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auto t = std::time(nullptr);
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auto tm = *std::localtime(&t);
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const char* format = "%Y-%m-%d_%H-%M-%S";
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std::stringstream ss;
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ss << std::put_time(&tm, format);
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std::string datetimestr = ss.str();
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auto file = folder / ("screenshot-" + datetimestr + "." + ext);
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uint index = 0;
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while (io::exists(file)) {
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file = folder / fs::u8path(
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"screenshot-" + datetimestr + "-" +
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std::to_string(index) + "." + ext
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);
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index++;
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}
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return file;
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}
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io::path EnginePaths::getWorldsFolder() const {
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return io::path("user:") / WORLDS_FOLDER;
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}
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io::path EnginePaths::getConfigFolder() const {
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return io::path("user:") / CONFIG_FOLDER;
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}
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io::path EnginePaths::getCurrentWorldFolder() {
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return currentWorldFolder;
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}
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io::path EnginePaths::getWorldFolderByName(const std::string& name) {
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return getWorldsFolder() / std::filesystem::path(name);
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}
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io::path EnginePaths::getControlsFile() const {
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return io::path("user:") / CONTROLS_FILE;
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}
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io::path EnginePaths::getSettingsFile() const {
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return io::path("user:") / SETTINGS_FILE;
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}
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std::vector<io::path> EnginePaths::scanForWorlds() const {
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std::vector<io::path> folders;
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auto folder = getWorldsFolder();
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if (!io::is_directory(folder)) return folders;
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for (const auto& entry : std::filesystem::directory_iterator(io::resolve(folder))) {
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if (!entry.is_directory()) {
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continue;
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}
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io::path worldFolder = folder / entry.path().filename().u8string();
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auto worldFile = worldFolder / WorldFiles::WORLD_FILE;
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if (!io::is_regular_file(worldFile)) {
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continue;
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}
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folders.push_back(worldFolder);
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}
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std::sort(
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folders.begin(),
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folders.end(),
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[](io::path a, io::path b) {
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a = a / WorldFiles::WORLD_FILE;
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b = b / WorldFiles::WORLD_FILE;
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return fs::last_write_time(io::resolve(a)) >
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fs::last_write_time(io::resolve(b));
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}
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);
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return folders;
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}
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void EnginePaths::setUserFilesFolder(std::filesystem::path folder) {
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this->userFilesFolder = std::move(folder);
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}
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void EnginePaths::setResourcesFolder(std::filesystem::path folder) {
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this->resourcesFolder = std::move(folder);
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}
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void EnginePaths::setScriptFolder(std::filesystem::path folder) {
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io::set_device("script", std::make_shared<io::StdfsDevice>(folder));
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this->scriptFolder = std::move(folder);
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}
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void EnginePaths::setCurrentWorldFolder(io::path folder) {
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this->currentWorldFolder = std::move(folder);
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io::create_subdevice("world", "user", currentWorldFolder);
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}
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void EnginePaths::setContentPacks(std::vector<ContentPack>* contentPacks) {
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this->contentPacks = contentPacks;
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}
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std::tuple<std::string, std::string> EnginePaths::parsePath(std::string_view path) {
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size_t separator = path.find(':');
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if (separator == std::string::npos) {
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return {"", std::string(path)};
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}
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auto prefix = std::string(path.substr(0, separator));
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auto filename = std::string(path.substr(separator + 1));
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return {prefix, filename};
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}
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// TODO: remove
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io::path EnginePaths::resolve(
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const std::string& path, bool throwErr
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) const {
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auto [prefix, filename] = EnginePaths::parsePath(path);
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if (prefix.empty()) {
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throw files_access_error("no entry point specified");
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}
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filename = toCanonic(filename).string();
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if (prefix == "core") {
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return io::path("res:") / filename;
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}
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if (prefix == "res" || prefix == "user" || prefix == "script") {
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return prefix + ":" + filename;
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}
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if (prefix == "config") {
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return getConfigFolder() / filename;
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}
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if (prefix == "world") {
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return currentWorldFolder / filename;
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}
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if (prefix == "export") {
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return io::path("user:") / EXPORT_FOLDER / filename;
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}
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if (contentPacks) {
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for (auto& pack : *contentPacks) {
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if (pack.id == prefix) {
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return pack.folder / filename;
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}
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}
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}
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if (throwErr) {
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throw files_access_error("unknown entry point '" + prefix + "'");
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}
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return filename;
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}
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ResPaths::ResPaths(io::path mainRoot, std::vector<PathsRoot> roots)
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: mainRoot(std::move(mainRoot)), roots(std::move(roots)) {
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}
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io::path ResPaths::find(const std::string& filename) const {
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for (int i = roots.size() - 1; i >= 0; i--) {
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auto& root = roots[i];
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auto file = root.path / filename;
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if (io::exists(file)) {
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return file;
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}
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}
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return mainRoot / filename;
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}
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std::string ResPaths::findRaw(const std::string& filename) const {
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for (int i = roots.size() - 1; i >= 0; i--) {
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auto& root = roots[i];
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if (io::exists(root.path / filename)) {
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return root.name + ":" + filename;
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}
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}
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throw std::runtime_error("could not to find file " + util::quote(filename));
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}
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std::vector<std::string> ResPaths::listdirRaw(const std::string& folderName) const {
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std::vector<std::string> entries;
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for (int i = roots.size() - 1; i >= 0; i--) {
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auto& root = roots[i];
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auto folder = root.path / fs::u8path(folderName);
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if (!io::is_directory(folder)) continue;
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for (const auto& entry : fs::directory_iterator(io::resolve(folder))) {
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auto name = entry.path().filename().u8string();
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entries.emplace_back(root.name + ":" + folderName + "/" + name);
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}
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}
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return entries;
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}
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std::vector<io::path> ResPaths::listdir(
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const std::string& folderName
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) const {
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std::vector<io::path> entries;
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for (int i = roots.size() - 1; i >= 0; i--) {
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auto& root = roots[i];
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io::path folder = root.path / folderName;
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if (!io::is_directory(folder)) continue;
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for (const auto& entry : fs::directory_iterator(io::resolve(folder))) {
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entries.push_back(folder / entry.path().filename().u8string());
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}
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}
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return entries;
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}
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dv::value ResPaths::readCombinedList(const std::string& filename) const {
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dv::value list = dv::list();
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for (const auto& root : roots) {
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auto path = root.path / filename;
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if (!io::exists(path)) {
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continue;
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}
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try {
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auto value = io::read_object(path);
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if (!value.isList()) {
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logger.warning() << "reading combined list " << root.name << ":"
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<< filename << " is not a list (skipped)";
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continue;
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}
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for (const auto& elem : value) {
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list.add(elem);
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}
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} catch (const std::runtime_error& err) {
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logger.warning() << "reading combined list " << root.name << ":"
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<< filename << ": " << err.what();
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}
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}
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return list;
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}
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dv::value ResPaths::readCombinedObject(const std::string& filename) const {
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dv::value object = dv::object();
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for (const auto& root : roots) {
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auto path = root.path / filename;
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if (!io::exists(path)) {
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continue;
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}
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try {
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auto value = io::read_object(path);
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if (!value.isObject()) {
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logger.warning()
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<< "reading combined object " << root.name << ": "
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<< filename << " is not an object (skipped)";
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}
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for (const auto& [key, element] : value.asObject()) {
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object[key] = element;
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}
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} catch (const std::runtime_error& err) {
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logger.warning() << "reading combined object " << root.name << ":"
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<< filename << ": " << err.what();
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}
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}
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return object;
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}
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const io::path& ResPaths::getMainRoot() const {
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return mainRoot;
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}
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