WIP: Add model

1 files changed, 32 insertions, 0 deletions

diff --git a/src/statement.c b/src/statement.c
index 24440a38..347cfe78 100644
--- a/src/statement.c
+++ b/src/statement.c
@@ -51,3 +51,35 @@ serd_statement_get_cursor(const SerdStatement* statement)
 {
 	return statement->cursor;
 }
+
+bool
+serd_statement_equals(const SerdStatement* a, const SerdStatement* b)
+{
+	return (serd_node_equals(a->nodes[0], b->nodes[0]) &&
+	        serd_node_equals(a->nodes[1], b->nodes[1]) &&
+	        serd_node_equals(a->nodes[2], b->nodes[2]) &&
+	        serd_node_equals(a->nodes[3], b->nodes[3]));
+}
+
+bool
+serd_statement_matches(const SerdStatement* statement,
+                       const SerdNode*      subject,
+                       const SerdNode*      predicate,
+                       const SerdNode*      object,
+                       const SerdNode*      graph)
+
+{
+	return (serd_node_pattern_match(statement->nodes[0], subject) &&
+	        serd_node_pattern_match(statement->nodes[1], predicate) &&
+	        serd_node_pattern_match(statement->nodes[2], object) &&
+	        serd_node_pattern_match(statement->nodes[3], graph));
+}
+
+bool
+serd_statement_matches_quad(const SerdStatement* statement, const SerdQuad quad)
+{
+	return serd_node_pattern_match(statement->nodes[0], quad[0]) &&
+	       serd_node_pattern_match(statement->nodes[1], quad[1]) &&
+	       serd_node_pattern_match(statement->nodes[2], quad[2]) &&
+	       serd_node_pattern_match(statement->nodes[3], quad[3]);
+}