Refactored arguments

include/cmd/args/arg.hpp

@@ -0,0 +1,67 @@
+#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);
+};
+}