Function StringScan

sdk/add_on/scriptstdstring/scriptstdstring.cpp:741–801

TODO: variadic: review

// TODO: variadic: review
static void StringScan(asIScriptGeneric* gen)
{
	asIScriptEngine* engine = gen->GetEngine();

	stringstream ss(*(string*)gen->GetArgObject(0));
	asUINT scanned = 0;

	for (asUINT i = 1; i < (asUINT)gen->GetArgCount(); ++i)
	{
		int typeId = gen->GetArgTypeId(i);
		if (!(typeId & ~asTYPEID_MASK_SEQNBR))
		{
#define AS_STRING_SCAN_IMPL(tid, type) \
	case tid:\
	do {\
		type val;\
		ss >> val;\
		if(!ss) goto end_scan;\
		void* ref = gen->GetArgAddress(i); \
		*(type*)ref = val;\
	} while(0); \
	break

			switch (typeId)
			{
				AS_STRING_SCAN_IMPL(asTYPEID_BOOL, bool);

				AS_STRING_SCAN_IMPL(asTYPEID_INT16, int16_t);
			default: // enum
				AS_STRING_SCAN_IMPL(asTYPEID_INT32, int32_t);
				AS_STRING_SCAN_IMPL(asTYPEID_INT64, int64_t);

				AS_STRING_SCAN_IMPL(asTYPEID_UINT8, uint8_t);
				AS_STRING_SCAN_IMPL(asTYPEID_UINT16, uint16_t);
				AS_STRING_SCAN_IMPL(asTYPEID_UINT32, uint32_t);
				AS_STRING_SCAN_IMPL(asTYPEID_UINT64, uint64_t);

				AS_STRING_SCAN_IMPL(asTYPEID_FLOAT, float);
				AS_STRING_SCAN_IMPL(asTYPEID_DOUBLE, double);
			}
		}
		else if (typeId == engine->GetStringFactory())
		{
			string val;
			ss >> val;
			if (!ss) goto end_scan;

			void* ref = gen->GetArgAddress(i);
			*(string*)ref = std::move(val);
		}
		else // Invalid type
		{
			goto end_scan;
		}

		++scanned;
	}