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#pragma once
#include "error.h"
#include <vector>
#include <string>
#include <any>
#include <functional>
enum MoveDir
{
UP,
RIGHT,
DOWN,
LEFT
};
enum CommandArgType
{
STR,
NUM,
MOVDIR,
STR_REST,
NUM_ARR_REST
};
struct NumArr
{
int* arr;
int size;
};
typedef union
{
char* str;
int num;
NumArr numArr;
MoveDir dir;
} CommandArg;
struct Command
{
const std::string name;
const std::function<void(std::any&, const CommandArg* argv)> func;
const std::function<void(const CommandArg* argv)> staticFunc;
const int argc;
CommandArgType* argTypes;
std::any* module;
};
class CommandsModule
{
private:
std::vector<Command> commandList;
std::vector<std::string> splitCommand(std::string command);
CommandArg* getCommandArgs(std::vector<std::string>& args, const CommandArgType* argTypes, const int argc);
const void echo(const CommandArg* argv);
const void loadFile(const CommandArg* argv);
std::string cwd;
public:
CommandsModule();
~CommandsModule();
template <class T>
void addCommand(std::string name, const void(T::*func)(const CommandArg*), const int argc, CommandArgType* argTypes, T* module);
void addCommand(std::string name, const void(*func)(const CommandArg*), const int argc, CommandArgType* argTypes);
template <class T>
void addCommand(std::string name, const void(T::*func)(const CommandArg*), const int argc, std::vector<CommandArgType> argTypes, T* module);
void addCommand(std::string name, const void(*func)(const CommandArg*), const int argc, std::vector<CommandArgType> argTypes);
void addCommand(Command c);
Command* lookupCommand(std::string name);
void runCommand(std::string command);
void runCommand(std::vector<std::string> split);
std::vector<Err> checkCommand(std::string command);
Err checkCommand(std::vector<std::string> split);
};
// YES I KNOW THIS IS BAD
// but it needs to be done this way
template <class T>
void CommandsModule::addCommand(std::string name, const void(T::*func)(const CommandArg*), const int argc, CommandArgType* argTypes, T* module)
{
Command c = {name, (const void*(std::any::*)(const CommandArg* argv)) func, nullptr, argc, argTypes, (std::any*)module};
addCommand(c);
}
template <class T>
void CommandsModule::addCommand(std::string name, const void(T::*func)(const CommandArg*), const int argc, std::vector<CommandArgType> argTypes, T* module)
{
CommandArgType* argTypesArr = new CommandArgType[argc];
for(int i = 0; i < argc; i++)
{
argTypesArr[i] = argTypes[i];
}
addCommand(name, func, argc, argTypesArr, module);
}
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