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feat: basically finish clap parser

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- basically finish clap parser except ctor.
- add skeleton for clap resolver.
This commit is contained in:
yyc12345
2025-12-09 20:52:41 +08:00
parent eb9e576d33
commit d6662dbb53
10 changed files with 350 additions and 84 deletions
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48
src/yycc/carton/clap/resolver.hpp
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@ -2,9 +2,12 @@
#include "../../macro/class_copy_move.hpp"
#include "application.hpp"
#include "validator.hpp"
#include <vector>
#include <utility>
#include <map>
#include <optional>
#include <string>
#include <string_view>
#define NS_YYCC_CLAP_TYPES ::yycc::carton::clap::types
#define NS_YYCC_CLAP_APPLICATION ::yycc::carton::clap::application
@ -12,22 +15,38 @@
namespace yycc::carton::clap::resolver {
class Parser {
class Resolver {
private:
/**
* @brief All captured environment variable.
* @details Key is the token to already registered variable.
* Value is the associated value for key token.
* If it is no-value variable, the value will be \c std::nullopt.
*/
std::map<NS_YYCC_CLAP_TYPES::Token, std::optional<std::u8string>> values;
public:
Parser(const NS_YYCC_CLAP_APPLICATION::Application& app);
~Parser();
YYCC_DEFAULT_COPY_MOVE(Parser)
static NS_YYCC_CLAP_TYPES::ClapResult<Resolver> from_user(
const NS_YYCC_CLAP_APPLICATION::Application& app, const std::vector<std::pair<std::u8string_view, std::u8string_view>>& vars);
static NS_YYCC_CLAP_TYPES::ClapResult<Resolver> from_system(const NS_YYCC_CLAP_APPLICATION::Application& app);
private:
NS_YYCC_CLAP_TYPES::ClapResult<std::u8string_view> get_raw_value_option(NS_YYCC_CLAP_TYPES::Token token) const;
Resolver(decltype(Resolver::values)&& values);
public:
bool has_option(NS_YYCC_CLAP_TYPES::Token token) const;
NS_YYCC_CLAP_TYPES::ClapResult<bool> get_flag_option(NS_YYCC_CLAP_TYPES::Token token) const;
~Resolver();
YYCC_DEFAULT_COPY_MOVE(Resolver)
private:
NS_YYCC_CLAP_TYPES::ClapResult<std::u8string_view> get_raw_value_variable(NS_YYCC_CLAP_TYPES::Token token) const;
public:
bool has_variable(NS_YYCC_CLAP_TYPES::Token token) const;
NS_YYCC_CLAP_TYPES::ClapResult<bool> get_flag_variable(NS_YYCC_CLAP_TYPES::Token token) const;
template<NS_YYCC_CLAP_VALIDATOR::Validator T>
NS_YYCC_CLAP_TYPES::ClapResult<NS_YYCC_CLAP_VALIDATOR::ValidatorReturnType<T>> get_value_option(
NS_YYCC_CLAP_TYPES::ClapResult<NS_YYCC_CLAP_VALIDATOR::ValidatorReturnType<T>> get_value_variable(
NS_YYCC_CLAP_TYPES::Token token) const {
auto raw_value = this->get_raw_value_option(token);
auto raw_value = this->get_raw_value_variable(token);
if (raw_value.has_value()) {
T validator{};
auto value = validator.validate(raw_value.value());
@ -37,17 +56,10 @@ namespace yycc::carton::clap::resolver {
return std::unexpected(raw_value.error())
}
}
private:
/**
* @brief All captured commandline argument.
* @details Key is the token to already registered option.
* Value is the associated value for key token.
* If it is no-value option, the value will be \c std::nullopt.
*/
std::map<NS_YYCC_CLAP_TYPES::Token, std::optional<std::u8string>> values;
};
} // namespace yycc::carton::clap::resolver
#undef NS_YYCC_CLAP_VALIDATOR
#undef NS_YYCC_CLAP_APPLICATION
#undef NS_YYCC_CLAP_TYPES