forked from 0ad/0ad
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
#include "../Messages.h"
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#include <map>
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namespace AtlasMessage
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{
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// (Random note: Be careful not to give handler .cpp files the same name
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// as any other file in the project, because it makes everything very confused)
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// TODO: measure how long this static initialisation stuff takes, and if it's
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// non-negligible then make it do as little work as possible if Atlas is not run
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typedef void (*msgHandler)(IMessage*);
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typedef std::map<std::string, msgHandler> msgHandlers;
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extern msgHandlers& GetMsgHandlers();
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#define THINGHANDLER(prefix, expectedtype, t) \
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void f##t(prefix##t*); \
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namespace register_handler_##t { \
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void wrapper(IMessage* msg) { \
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debug_assert(msg->GetType() == IMessage::expectedtype); \
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f##t (static_cast<prefix##t*>(msg)); \
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} \
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struct init { init() { \
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bool notAlreadyRegisted = GetMsgHandlers().insert(std::pair<std::string, msgHandler>(#t, &wrapper)).second; \
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debug_assert(notAlreadyRegisted); \
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} } init; \
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}; \
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void f##t(prefix##t* msg)
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#define MESSAGEHANDLER(t) THINGHANDLER(m, Message, t)
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#define QUERYHANDLER(t) THINGHANDLER(q, Query, t)
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#define MESSAGEHANDLER_STR(t) \
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void fCommandString_##t(); \
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namespace register_handler_##t { \
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void wrapper(IMessage* msg) { \
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debug_assert(msg->GetType() == IMessage::Message); \
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fCommandString_##t (); \
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} \
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struct init { init() { \
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bool notAlreadyRegisted = GetMsgHandlers().insert(std::pair<std::string, msgHandler>("CommandString_"#t, &wrapper)).second; \
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debug_assert(notAlreadyRegisted); \
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} } init; \
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}; \
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void fCommandString_##t()
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}
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