Method CopyBuffer

sdk/add_on/scriptarray/scriptarray.cpp:1697–1775

internal

// internal
void CScriptArray::CopyBuffer(SArrayBuffer *dst, SArrayBuffer *src)
{
	asIScriptEngine *engine = objType->GetEngine();
	if( subTypeId & asTYPEID_OBJHANDLE )
	{
		// Copy the references and increase the reference counters
		if( dst->numElements > 0 && src->numElements > 0 )
		{
			int count = dst->numElements > src->numElements ? src->numElements : dst->numElements;

			void **max = (void**)(dst->data + count * sizeof(void*));
			void **d   = (void**)dst->data;
			void **s   = (void**)src->data;

			for( ; d < max; d++, s++ )
			{
				void *tmp = *d;
				*d = *s;
				if( *d )
					engine->AddRefScriptObject(*d, objType->GetSubType());
				// Release the old ref after incrementing the new to avoid problem incase it is the same ref
				if( tmp )
					engine->ReleaseScriptObject(tmp, objType->GetSubType());
			}
		}
	}
	else
	{
		if( dst->numElements > 0 && src->numElements > 0 )
		{
			int count = dst->numElements > src->numElements ? src->numElements : dst->numElements;
			if( subTypeId & asTYPEID_MASK_OBJECT )
			{
				// Call the assignment operator on all of the objects
				void **max = (void**)(dst->data + count * sizeof(void*));
				void **d   = (void**)dst->data;
				void **s   = (void**)src->data;

				asITypeInfo *subType = objType->GetSubType();
				if (subType->GetFlags() & asOBJ_ASHANDLE)
				{
					// For objects that should work as handles we must use the opHndlAssign method
					// TODO: Must support alternative syntaxes as well
					// TODO: Move the lookup of the opHndlAssign method to Precache() so it is only done once
					string decl = string(subType->GetName()) + "& opHndlAssign(const " + string(subType->GetName()) + "&in)";
					asIScriptFunction *func = subType->GetMethodByDecl(decl.c_str());
					if (func)
					{
						// TODO: Reuse active context if existing
						asIScriptContext* ctx = engine->RequestContext();
						for (; d < max; d++, s++)
						{
							ctx->Prepare(func);
							ctx->SetObject(*d);
							ctx->SetArgAddress(0, *s);
							// TODO: Handle errors
							ctx->Execute();
						}