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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
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| #ifndef COMMAND_LINE_PARSER_H | ||
| #define COMMAND_LINE_PARSER_H | ||
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| #include <iostream> | ||
| #include <map> | ||
| #include <optional> | ||
| #include <sstream> | ||
| #include <stdexcept> | ||
| #include <string> | ||
| #include <vector> | ||
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| class CommandLineParser { | ||
| public: | ||
| struct ArgumentSpec { | ||
| std::vector<std::wstring> names; // Include both short and long names here | ||
| std::wstring description; | ||
| std::optional<std::wstring> defaultValue; | ||
| bool requiresValue = false; | ||
| bool required = false; | ||
| }; | ||
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| private: | ||
| std::map<std::wstring, ArgumentSpec> specs; | ||
| std::map<std::wstring, std::wstring> parsedArgs; | ||
| std::map<std::wstring, std::wstring> aliasMap; // Map aliases to primary names | ||
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| void buildAliasMap() { | ||
| for (const auto &spec : specs) { | ||
| for (const auto &name : spec.second.names) { | ||
| aliasMap[name] = spec.first; | ||
| } | ||
| } | ||
| } | ||
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| void initializeDefaults() { | ||
| for (const auto &spec : specs) { | ||
| if (spec.second.defaultValue.has_value()) { | ||
| parsedArgs[spec.first] = spec.second.defaultValue.value(); | ||
| } else if (!spec.second.requiresValue) { | ||
| // If it doesn't require a value and no default is specified, initialize | ||
| // with an empty string | ||
| parsedArgs[spec.first] = L""; | ||
| } | ||
| } | ||
| } | ||
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| public: | ||
| CommandLineParser(std::initializer_list<std::pair<const std::wstring, ArgumentSpec>> list) { | ||
| for (const auto &item : list) { | ||
| specs[item.first] = item.second; | ||
| } | ||
| buildAliasMap(); | ||
| initializeDefaults(); | ||
| } | ||
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| void parse(int argc, wchar_t *argv[]) { | ||
| for (int i = 1; i < argc; ++i) { | ||
| std::wstring arg = argv[i]; | ||
| std::wstring primaryName; | ||
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| // Find the primary argument name for the given alias | ||
| auto aliasIt = aliasMap.find(arg); | ||
| if (aliasIt != aliasMap.end()) { | ||
| primaryName = aliasIt->second; | ||
| } else { | ||
| throw std::runtime_error("Unknown argument: " + std::string(arg.begin(), arg.end())); | ||
| } | ||
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| const auto &spec = specs[primaryName]; | ||
| if (spec.requiresValue) { | ||
| if ((i + 1) < argc && argv[i + 1][0] != L'-') { | ||
| parsedArgs[primaryName] = argv[++i]; | ||
| } else { | ||
| throw std::runtime_error("Argument requires a value but none was provided."); | ||
| } | ||
| } else { | ||
| parsedArgs[primaryName] = spec.defaultValue.value_or(L""); | ||
| } | ||
| } | ||
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| for (const auto &spec : specs) { | ||
| if (spec.second.required && parsedArgs.find(spec.first) == parsedArgs.end()) { | ||
| throw std::runtime_error("Missing required argument: " + | ||
| std::string(spec.first.begin(), spec.first.end())); | ||
| } | ||
| } | ||
| } | ||
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| template <typename T> | ||
| T get(const std::wstring &name) const { | ||
| auto it = parsedArgs.find(name); | ||
| if (it != parsedArgs.end()) { | ||
| T value; | ||
| std::wistringstream wiss(it->second); | ||
| if (!(wiss >> value)) { | ||
| throw std::runtime_error("Invalid argument value for: " + std::string(name.begin(), name.end())); | ||
| } | ||
| return value; | ||
| } | ||
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| throw std::runtime_error("Argument not found: " + std::string(name.begin(), name.end())); | ||
| } | ||
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| bool has(const std::wstring &name) const { return parsedArgs.find(name) != parsedArgs.end(); } | ||
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| void showHelp() const { | ||
| std::wcout << L"Usage instructions:\n"; | ||
| for (const auto &specItem : specs) { | ||
| const auto &spec = specItem.second; | ||
| std::wstring names = join(spec.names, L", "); | ||
| std::wstring defaultValue = spec.defaultValue.has_value() ? spec.defaultValue.value() : L""; | ||
| std::wcout << L" " << names << L"\t" << spec.description; | ||
| if (!defaultValue.empty()) { | ||
| std::wcout << L" (default: " << defaultValue << L")"; | ||
| } | ||
| std::wcout << std::endl; | ||
| } | ||
| } | ||
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| static std::wstring join(const std::vector<std::wstring> &vec, const std::wstring &delimiter) { | ||
| std::wstring result; | ||
| for (auto it = vec.begin(); it != vec.end(); ++it) { | ||
| if (it != vec.begin()) { | ||
| result += delimiter; | ||
| } | ||
| result += *it; | ||
| } | ||
| return result; | ||
| } | ||
| }; | ||
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| #endif // COMMAND_LINE_PARSER_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| #ifndef STRINGCONVERTER_H | ||
| #define STRINGCONVERTER_H | ||
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| #include <locale> | ||
| #include <string> | ||
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| #ifdef _WIN32 | ||
| #define NOMINMAX | ||
| #define WIN32_LEAN_AND_MEAN | ||
| #include <windows.h> // For MultiByteToWideChar and WideCharToMultiByte | ||
| #else | ||
| #include <codecvt> // For std::codecvt_utf8 (deprecated in C++17) | ||
| #endif | ||
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| class StringConverter { | ||
| public: | ||
| static std::wstring to_wstring(const std::string &utf8Str) { | ||
| #ifdef _WIN32 | ||
| int count = MultiByteToWideChar(CP_UTF8, 0, utf8Str.c_str(), -1, nullptr, 0); | ||
| std::wstring wideStr(count, 0); | ||
| MultiByteToWideChar(CP_UTF8, 0, utf8Str.c_str(), -1, &wideStr[0], count); | ||
| return wideStr; | ||
| #else | ||
| std::wstring_convert<std::codecvt_utf8<wchar_t> > converter; | ||
| return converter.from_bytes(utf8Str); | ||
| #endif | ||
| } | ||
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| static std::string to_string(const std::wstring &wideStr) { | ||
| #ifdef _WIN32 | ||
| int count = WideCharToMultiByte(CP_UTF8, 0, wideStr.c_str(), -1, nullptr, 0, nullptr, nullptr); | ||
| std::string utf8Str(count, 0); | ||
| WideCharToMultiByte(CP_UTF8, 0, wideStr.c_str(), -1, &utf8Str[0], count, nullptr, nullptr); | ||
| return utf8Str; | ||
| #else | ||
| std::wstring_convert<std::codecvt_utf8<wchar_t> > converter; | ||
| return converter.to_bytes(wideStr); | ||
| #endif | ||
| } | ||
| }; | ||
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| #endif // STRINGCONVERTER_H |
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