/* Check the list to see if the node is a duplicate. If not, add it
* to the list.
*/
static void
raptor_dot_serializer_assert_node(raptor_serializer* serializer,
raptor_term* assert_node)
{
raptor_dot_context* context = (raptor_dot_context*)serializer->context;
raptor_sequence* seq = NULL;
int i;
/* Which list are we searching? */
switch(assert_node->type) {
case RAPTOR_TERM_TYPE_URI:
seq = context->resources;
break;
case RAPTOR_TERM_TYPE_BLANK:
seq = context->bnodes;
break;
case RAPTOR_TERM_TYPE_LITERAL:
seq = context->literals;
break;
case RAPTOR_TERM_TYPE_UNKNOWN:
break;
}
for(i = 0 ; i < raptor_sequence_size(seq) ; i++ ) {
raptor_term* node = (raptor_term*)raptor_sequence_get_at(seq, i);
if(raptor_term_equals(node, assert_node))
return;
}
raptor_sequence_push(seq, raptor_term_copy(assert_node));
}
/**
* librdf_new_node_from_node:
* @node: #librdf_node object to copy
*
* Copy constructor - create a new librdf_node object from an existing librdf_node object.
*
* Return value: a new #librdf_node object or NULL on failure
**/
librdf_node*
librdf_new_node_from_node(librdf_node *node)
{
LIBRDF_ASSERT_OBJECT_POINTER_RETURN_VALUE(node, librdf_node, NULL);
return raptor_term_copy(node);
}
/*
* raptor_new_rss_block:
* @world: world
* @type: RSS block type
* @block_term: Block subject term (shared)
*
* INTERNAL - Create a new RSS Block such as <author> etc
*
* Return value: new RSS block or NULL on failure
*/
raptor_rss_block*
raptor_new_rss_block(raptor_world* world, raptor_rss_type type,
raptor_term* block_term)
{
raptor_rss_block *block;
block = RAPTOR_CALLOC(raptor_rss_block*, 1, sizeof(*block));
if(block) {
block->rss_type = type;
block->node_type = world->rss_types_info_uris[type];
block->identifier = raptor_term_copy(block_term);
}
return block;
}
