Files
fsh-oop/include/cmd/args/arg.hpp

65 lines
2.0 KiB
C++

#pragma once
#include <string>
#include <sstream>
#include <fstream>
#include <vector>
#include <unordered_map>
#include "ast/ast_component.hpp"
#include "util/input.hpp"
#include "cmd/args/arg_generic.hpp"
#include "cmd/args/arg_input.hpp"
#include "cmd/args/arg_manager.hpp"
namespace fsh {
class ArgFactory {
public:
using FlagNode = std::optional<std::string>&;
using ArgNodes = std::vector<std::shared_ptr<CommandArgumentNode> >;
using BuildFunc = std::shared_ptr<_Argument> (*)(void);
struct ArgRule {
BuildFunc build;
bool mandatory;
bool extends;
};
struct FlagRule {
BuildFunc build;
bool specialinput; //Not implemented
bool capturing;
bool extends; //Not implemented
};
void add_input_rule() {
has_input = true;
pos_arg_rules.push_back({ &_Argument::create<ArgInput>, false, false });
}
template <typename T>
void add_rule(bool mandatory, bool extends = false) {
pos_arg_rules.push_back({ &_Argument::create<Argument<T> >, mandatory, extends });
}
template <typename T = bool>
void add_rule(const std::string name, bool capturing = false) {
flag_rules[name] = { _Argument::create<Argument<T> >, false, capturing, false };
}
void parse(ArgManager& manager, ArgNodes& vec, FlagNode flag);
bool ghas_input() { return has_input; }
private:
std::vector<ArgRule> pos_arg_rules;
std::unordered_map<std::string, FlagRule> flag_rules;
bool has_input = false;
void parse_flag(ArgManager& manager, FlagNode flag);
std::shared_ptr<_Argument> build_arg(BuildFunc build_func, const std::string& str);
std::shared_ptr<_Argument> build_arg(BuildFunc build_func, std::shared_ptr<CommandArgumentNode> cmd_arg);
};
}