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forked from 0ad/0ad
0ad/source/tools/atlas/GameInterface/Handlers/MessageHandler.h

24 lines
671 B
C++

#include "../Messages.h"
#include <map>
namespace AtlasMessage
{
// (Random note: Be careful not to give handler .cpp files the same name
// as any other file in the project, because it makes everything very confused)
typedef void (*msgHandler)(IMessage*);
typedef std::map<std::string, msgHandler> msgHandlers;
extern msgHandlers& GetMsgHandlers();
#define CAT1(a,b) a##b
#define CAT2(a,b) CAT1(a,b)
#define REGISTER(t) namespace CAT2(hndlr_, __LINE__) { struct init { init() { \
bool notAlreadyRegisted = GetMsgHandlers().insert(std::pair<std::string, msgHandler>(#t, &f##t)).second; \
assert(notAlreadyRegisted); \
} } init; };
}