50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
#include "command_line.hpp"
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#include <filesystem>
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namespace fs = std::filesystem;
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bool perform_keyword(ArgsReader& reader, const std::string& keyword, EnginePaths& paths) {
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if (keyword == "--res") {
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auto token = reader.next();
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if (!fs::is_directory(fs::path(token))) {
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throw std::runtime_error(token+" is not a directory");
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}
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paths.setResources(fs::path(token));
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std::cout << "resources folder: " << token << std::endl;
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} else if (keyword == "--dir") {
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auto token = reader.next();
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if (!fs::is_directory(fs::path(token))) {
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fs::create_directories(fs::path(token));
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}
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paths.setUserfiles(fs::path(token));
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std::cout << "userfiles folder: " << token << std::endl;
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} else if (keyword == "--help" || keyword == "-h") {
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std::cout << "VoxelEngine command-line arguments:" << std::endl;
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std::cout << " --res [path] - set resources directory" << std::endl;
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std::cout << " --dir [path] - set userfiles directory" << std::endl;
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return false;
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} else {
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std::cerr << "unknown argument " << keyword << std::endl;
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return false;
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}
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return true;
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}
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bool parse_cmdline(int argc, char** argv, EnginePaths& paths) {
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ArgsReader reader(argc, argv);
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reader.skip();
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while (reader.hasNext()) {
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std::string token = reader.next();
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if (reader.isKeywordArg()) {
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if (!perform_keyword(reader, token, paths)) {
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return false;
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}
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} else {
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std::cerr << "unexpected token" << std::endl;
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return false;
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}
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}
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return true;
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}
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