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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef KEY_AUTO_BINDER_H
#define KEY_AUTO_BINDER_H
#include <string>
#include <vector>
#include <set>
#include "Lua/LuaHandle.h"
struct UnitDef;
struct lua_State;
class CKeyAutoBinder : public CLuaHandle
{
public:
CKeyAutoBinder();
~CKeyAutoBinder();
bool BindBuildType(const string& keystr,
const vector<string>& requirements,
const vector<string>& sortCriteria,
const vector<string>& chords);
private:
string LoadFile(const string& filename) const;
bool LoadCode(lua_State *L, const string& code, const string& debug);
bool LoadCompareFunc(lua_State *L);
string MakeRequirementCall(const vector<string>& requirements);
string MakeSortCriteriaCall(const vector<string>& sortCriteria);
string AddUnitDefPrefix(const string& text, const string& pre) const;
string ConvertBooleanSymbols(const string& text) const;
bool HasRequirements(lua_State* L, int unitDefID);
bool IsBetter(lua_State* L, int thisDefID, int thatDefID);
private:
class UnitDefHolder {
public:
UnitDefHolder(int udID, const UnitDef* ud) : udID(udID), ud(ud) {}
bool operator<(const UnitDefHolder&) const;
int udID;
const UnitDef* ud;
};
friend class CKeyAutoBinder::UnitDefHolder;
};
#endif /* KEY_AUTO_BINDER_H */
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