82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
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#include "resolver.hpp"
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#include "types.hpp"
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#include <string_view>
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#define TYPES ::yycc::carton::clap::types
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namespace yycc::carton::clap::resolver {
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#pragma region Misc
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/// @brief The states of parser internal state machine.
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enum class ParserState {
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Normal, ///< Normal state. Expect an option.
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WaitingValue, ///< Waiting an associated value.
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};
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/// @brief The state machine context prepared for parser.
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struct ParserContext {
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ParserContext() : state(ParserState::Normal), opt_waiting(std::nullopt) {}
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YYCC_DEFAULT_COPY_MOVE(ParserContext)
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ParserState state; ///< Current state.
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std::optional<TYPES::Token> opt_waiting; ///< The token to the option waiting for associated value.
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};
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/// @brief The kind of argument.
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enum class ArgumentKind { LongName, ShortName, Value };
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/// @brief Representing a classified argument.
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struct ClassifiedArgument {
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ClassifiedArgument(const std::u8string_view& arg) {
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if (arg.starts_with(TYPES::DOUBLE_DASH)) {
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kind = ArgumentKind::LongName;
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content = arg.substr(TYPES::DOUBLE_DASH.length());
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} else if (arg.starts_with(TYPES::DASH)) {
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kind = ArgumentKind::ShortName;
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content = arg.substr(TYPES::DASH.length());
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} else {
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kind = ArgumentKind::Value;
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content = arg;
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}
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}
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YYCC_DEFAULT_COPY_MOVE(ClassifiedArgument)
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/// @brief The kind of argument.
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ArgumentKind kind;
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/**
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* @brief The data of argument.
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* @details For long and short name, it is the body of option, the words removing any leading dash.
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* For value, it just the value self.
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*/
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std::u8string_view content;
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};
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#pragma endregion
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#pragma region Core
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#pragma endregion
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#pragma region Parser Class
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Parser::Parser(const NS_YYCC_CLAP_APPLICATION::Application& app) {}
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Parser::~Parser() {}
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bool Parser::has_option(TYPES::Token token) const {
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// TODO:
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return false;
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}
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TYPES::ClapResult<bool> Parser::get_flag_option(TYPES::Token token) const {
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// TODO:
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return TYPES::ClapResult<bool>();
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}
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TYPES::ClapResult<std::u8string_view> Parser::get_raw_value_option(TYPES::Token token) const {
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// TODO:
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return TYPES::ClapResult<std::u8string_view>();
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}
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#pragma endregion
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} // namespace yycc::carton::clap::resolver
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