static int prv_convertRecord(lwm2m_uri_t * uriP,
_record_t * recordArray,
int count,
lwm2m_data_t ** dataP)
{
int index;
int freeIndex;
lwm2m_data_t * rootP;
int size;
uri_depth_t rootLevel;
if (uriP == NULL)
{
size = count;
*dataP = lwm2m_data_new(count);
if (NULL == *dataP) return -1;
rootLevel = URI_DEPTH_OBJECT;
rootP = *dataP;
}
else
{
lwm2m_data_t * parentP;
size = 1;
*dataP = lwm2m_data_new(1);
if (NULL == *dataP) return -1;
(*dataP)->type = LWM2M_TYPE_OBJECT;
(*dataP)->id = uriP->objectId;
rootLevel = URI_DEPTH_OBJECT_INSTANCE;
parentP = *dataP;
if (LWM2M_URI_IS_SET_INSTANCE(uriP))
{
parentP->value.asChildren.count = 1;
parentP->value.asChildren.array = lwm2m_data_new(1);
if (NULL == parentP->value.asChildren.array) goto error;
parentP = parentP->value.asChildren.array;
parentP->type = LWM2M_TYPE_OBJECT_INSTANCE;
parentP->id = uriP->instanceId;
rootLevel = URI_DEPTH_RESOURCE;
if (LWM2M_URI_IS_SET_RESOURCE(uriP))
{
parentP->value.asChildren.count = 1;
parentP->value.asChildren.array = lwm2m_data_new(1);
if (NULL == parentP->value.asChildren.array) goto error;
parentP = parentP->value.asChildren.array;
parentP->type = LWM2M_TYPE_MULTIPLE_RESOURCE;
parentP->id = uriP->resourceId;
rootLevel = URI_DEPTH_RESOURCE_INSTANCE;
}
}
parentP->value.asChildren.count = count;
parentP->value.asChildren.array = lwm2m_data_new(count);
if (NULL == parentP->value.asChildren.array) goto error;
rootP = parentP->value.asChildren.array;
}
freeIndex = 0;
for (index = 0 ; index < count ; index++)
{
lwm2m_data_t * targetP;
int resSegmentIndex;
int i;
// check URI depth
// resSegmentIndex is set to the resource segment position
switch(rootLevel)
{
case URI_DEPTH_OBJECT:
resSegmentIndex = 2;
break;
case URI_DEPTH_OBJECT_INSTANCE:
resSegmentIndex = 1;
break;
case URI_DEPTH_RESOURCE:
resSegmentIndex = 0;
break;
case URI_DEPTH_RESOURCE_INSTANCE:
resSegmentIndex = -1;
break;
default:
goto error;
}
for (i = 0 ; i <= resSegmentIndex ; i++)
{
if (recordArray[index].ids[i] == LWM2M_MAX_ID) goto error;
}
if (resSegmentIndex < 2)
{
if (recordArray[index].ids[resSegmentIndex + 2] != LWM2M_MAX_ID) goto error;
}
targetP = prv_findDataItem(rootP, count, recordArray[index].ids[0]);
if (targetP == NULL)
{
targetP = rootP + freeIndex;
freeIndex++;
targetP->id = recordArray[index].ids[0];
targetP->type = utils_depthToDatatype(rootLevel);
}
if (recordArray[index].ids[1] != LWM2M_MAX_ID)
{
lwm2m_data_t * parentP;
uri_depth_t level;
parentP = targetP;
level = prv_decreaseLevel(rootLevel);
for (i = 1 ; i <= resSegmentIndex ; i++)
{
targetP = prv_findDataItem(parentP->value.asChildren.array, parentP->value.asChildren.count, recordArray[index].ids[i]);
if (targetP == NULL)
{
targetP = prv_extendData(parentP);
if (targetP == NULL) goto error;
targetP->id = recordArray[index].ids[i];
targetP->type = utils_depthToDatatype(level);
}
level = prv_decreaseLevel(level);
parentP = targetP;
}
if (recordArray[index].ids[resSegmentIndex + 1] != LWM2M_MAX_ID)
{
targetP->type = LWM2M_TYPE_MULTIPLE_RESOURCE;
targetP = prv_extendData(targetP);
if (targetP == NULL) goto error;
targetP->id = recordArray[index].ids[resSegmentIndex + 1];
targetP->type = LWM2M_TYPE_UNDEFINED;
}
}
if (true != prv_convertValue(recordArray + index, targetP)) goto error;
}
return size;
error:
lwm2m_data_free(size, *dataP);
*dataP = NULL;
return -1;
}
static int prv_convertRecord(const _record_t * recordArray,
int count,
lwm2m_data_t ** dataP)
{
int index;
int freeIndex;
lwm2m_data_t * rootP;
rootP = lwm2m_data_new(count);
if (NULL == rootP)
{
*dataP = NULL;
return -1;
}
freeIndex = 0;
for (index = 0 ; index < count ; index++)
{
lwm2m_data_t * targetP;
int i;
targetP = json_findDataItem(rootP, count, recordArray[index].ids[0]);
if (targetP == NULL)
{
targetP = rootP + freeIndex;
freeIndex++;
targetP->id = recordArray[index].ids[0];
targetP->type = LWM2M_TYPE_OBJECT;
}
if (recordArray[index].ids[1] != LWM2M_MAX_ID)
{
lwm2m_data_t * parentP;
uri_depth_t level;
parentP = targetP;
level = URI_DEPTH_OBJECT_INSTANCE;
for (i = 1 ; i <= 2 ; i++)
{
if (recordArray[index].ids[i] == LWM2M_MAX_ID) break;
targetP = json_findDataItem(parentP->value.asChildren.array,
parentP->value.asChildren.count,
recordArray[index].ids[i]);
if (targetP == NULL)
{
targetP = json_extendData(parentP);
if (targetP == NULL) goto error;
targetP->id = recordArray[index].ids[i];
targetP->type = utils_depthToDatatype(level);
}
level = json_decreaseLevel(level);
parentP = targetP;
}
if (recordArray[index].ids[3] != LWM2M_MAX_ID)
{
targetP->type = LWM2M_TYPE_MULTIPLE_RESOURCE;
targetP = json_extendData(targetP);
if (targetP == NULL) goto error;
targetP->id = recordArray[index].ids[3];
targetP->type = LWM2M_TYPE_UNDEFINED;
}
}
if (!prv_convertValue(recordArray + index, targetP)) goto error;
}
if (freeIndex < count)
{
*dataP = lwm2m_data_new(freeIndex);
if (*dataP == NULL) goto error;
memcpy(*dataP, rootP, freeIndex * sizeof(lwm2m_data_t));
lwm2m_free(rootP); /* do not use lwm2m_data_free() to keep pointed values */
}
else
{
*dataP = rootP;
}
return freeIndex;
error:
lwm2m_data_free(count, rootP);
*dataP = NULL;
return -1;
}
