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htc: free ourselves from the tyranny of numerical enums

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Michael Scire 2021-02-08 06:48:30 -08:00 • committed by SciresM
parent 2341f18edd
commit e40eece74e
6 changed files with 131 additions and 87 deletions
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15
libraries/libstratosphere/include/stratosphere/htclow/htclow_channel_types.hpp
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@ -31,19 +31,22 @@ namespace ams::htclow {
ChannelState_Connectable = 0,
ChannelState_Unconnectable = 1,
ChannelState_Connected = 2,
ChannelState_Shutdown = 3,
ChannelState_Disconnected = 3,
};
constexpr bool IsStateTransitionAllowed(ChannelState from, ChannelState to) {
switch (from) {
case ChannelState_Connectable:
return to == ChannelState_Unconnectable || to == ChannelState_Connected || to == ChannelState_Shutdown;
return to == ChannelState_Unconnectable ||
to == ChannelState_Connected ||
to == ChannelState_Disconnected;
case ChannelState_Unconnectable:
return to == ChannelState_Connectable || to == ChannelState_Shutdown;
return to == ChannelState_Connectable ||
to == ChannelState_Disconnected;
case ChannelState_Connected:
return to == ChannelState_Shutdown;
case ChannelState_Shutdown:
return to == ChannelState_Shutdown;
return to == ChannelState_Disconnected;
case ChannelState_Disconnected:
return to == ChannelState_Disconnected;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}