command.h

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#pragma once
 
#include <string>
#include <unordered_map>
#include "utils.h"
#include <utility>
 
namespace teditor {
 
class Editor;
 
 
typedef void (*OperateFunc)(Editor& ed);
typedef std::pair<OperateFunc, std::string> Command;
typedef std::unordered_map<std::string, Command> CommandMap;
typedef bool (*CmdFilterOp)(const std::string&);
 
bool defaultCmdFilterOp(const std::string& name);
 
 
const Command& getCmd(const std::string& cmd);
Strings allCmdNames(CmdFilterOp filterOp = defaultCmdFilterOp);
struct CmdRegistrar {
  CmdRegistrar(const std::string& cmd, OperateFunc op, const std::string& grp);
};
 
#define DEF_CMD(UniqName, CmdName, CmdGroup, OpFunc)    \
  CmdRegistrar cmd ## UniqName(CmdName, OpFunc, CmdGroup)
 
#define DEF_OP()  [](Editor& ed)
 
}; // end namespace teditor