From 91ae836711ba3df5f44407dadcadb0bd9ac53621 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 18 Mar 2012 15:41:58 +0000
Subject: Add serd_reader_set_default_graph() for reading a file as a named
graph.
git-svn-id: http://svn.drobilla.net/serd/trunk@338 490d8e77-9747-427b-9fa3-0b8f29cee8a0
---
src/reader.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
(limited to 'src')
diff --git a/src/reader.c b/src/reader.c
index 7e9bb3d4..23ef9fef 100644
--- a/src/reader.c
+++ b/src/reader.c
@@ -67,6 +67,7 @@ struct SerdReaderImpl {
Ref rdf_first;
Ref rdf_rest;
Ref rdf_nil;
+ SerdNode default_graph;
FILE* fd;
SerdStack stack;
SerdSyntax syntax;
@@ -236,9 +237,13 @@ pop_node(SerdReader* reader, Ref ref)
static inline bool
emit_statement(SerdReader* reader, ReadContext ctx, Ref o, Ref d, Ref l)
{
+ SerdNode* graph = deref(reader, ctx.graph);
+ if (!graph && reader->default_graph.buf) {
+ graph = &reader->default_graph;
+ }
bool ret = !reader->statement_sink ||
!reader->statement_sink(
- reader->handle, *ctx.flags, deref(reader, ctx.graph),
+ reader->handle, *ctx.flags, graph,
deref(reader, ctx.subject), deref(reader, ctx.predicate),
deref(reader, o), deref(reader, d), deref(reader, l));
*ctx.flags &= SERD_ANON_CONT|SERD_LIST_CONT; // Preserve only cont flags
@@ -1354,6 +1359,7 @@ serd_reader_new(SerdSyntax syntax,
me->prefix_sink = prefix_sink;
me->statement_sink = statement_sink;
me->end_sink = end_sink;
+ me->default_graph = SERD_NODE_NULL;
me->fd = 0;
me->stack = serd_stack_new(SERD_PAGE_SIZE);
me->syntax = syntax;
@@ -1384,6 +1390,7 @@ serd_reader_free(SerdReader* reader)
pop_node(reader, reader->rdf_nil);
pop_node(reader, reader->rdf_rest);
pop_node(reader, reader->rdf_first);
+ serd_node_free(&reader->default_graph);
#ifdef SERD_STACK_CHECK
free(reader->allocs);
@@ -1417,6 +1424,15 @@ serd_reader_add_blank_prefix(SerdReader* reader,
memcpy(reader->bprefix, prefix, reader->bprefix_len + 1);
}
}
+
+SERD_API
+void
+serd_reader_set_default_graph(SerdReader* reader,
+ const SerdNode* graph)
+{
+ serd_node_free(&reader->default_graph);
+ reader->default_graph = serd_node_copy(graph);
+}
SERD_API
SerdStatus
--
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