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public/gcsdk/enumutils.h

@@ -0,0 +1,43 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Makes enum-to-string and string-to-enum easier to declare
+//
+// $NoKeywords: $
+//=============================================================================
+
+#ifndef GCENUMUTILS_H
+#define GCENUMUTILS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+namespace GCSDK
+{
+	struct EnumString_s
+	{
+		int nValue;
+		const char *pszString;
+	};
+}
+
+// starts defining a enum value string map
+#define ENUMSTRINGS_START( etype ) static const GCSDK::EnumString_s s_##etype[] = {
+
+// ends defining a enum value string map. generates PchNameFromEnumName()
+#define ENUMSTRINGS_END( etype ) }; const char* PchNameFrom##etype( etype nValue ) \
+{ for( uint i=0; i<Q_ARRAYSIZE(s_##etype); i++ ) { if ( s_##etype[i].nValue == nValue ) return s_##etype[i].pszString; } \
+	AssertMsg2( false, "Missing String for %s (%d)", #etype, nValue ); return "Unknown"; } \
+const char* PchNameFrom##etype##Unsafe( etype nValue ) \
+{ for( uint i=0; i<Q_ARRAYSIZE(s_##etype); i++ ) { if ( s_##etype[i].nValue == nValue ) return s_##etype[i].pszString; } \
+	return NULL; }
+
+// ends defining a enum value string map. generates PchNameFromEnum() and EnumFromNam(). Invalid element must be first in array
+#define ENUMSTRINGS_REVERSE( etype, default ) }; const char* PchNameFrom##etype(etype nValue ) \
+{ for( uint i=0; i<Q_ARRAYSIZE(s_##etype); i++ ) { if ( s_##etype[i].nValue == nValue ) return s_##etype[i].pszString; } \
+	AssertMsg2( false, "Missing String for %s (%d)", #etype, nValue ); return "Unknown"; }; \
+	etype etype##FromName( const char *pchName ) \
+{ for( uint i=0; i<Q_ARRAYSIZE(s_##etype); i++ ) { if ( !Q_stricmp( s_##etype[i].pszString, pchName ) ) return (etype)(s_##etype[i].nValue); } \
+	return default; }
+
+
+#endif // GCENUMUTILS_H