Add SerdStatement

1 files changed, 48 insertions, 0 deletions

diff --git a/serd/serd.h b/serd/serd.h
index ba143d8d..19b865d5 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -65,6 +65,13 @@ extern "C" {
 typedef struct SerdWorldImpl SerdWorld;
 
 /**
+   Statement.
+
+   A subject, predicate, and object, with optional graph context.
+*/
+typedef struct SerdStatementImpl SerdStatement;
+
+/**
    Environment.
 
    Represents the state required to resolve a CURIE or relative URI, e.g. the
@@ -1160,6 +1167,47 @@ serd_writer_finish(SerdWriter* writer);
 
 /**
    @}
+   @name Statement
+   @{
+*/
+
+/**
+   Return the given node in `statement`.
+*/
+SERD_API
+const SerdNode*
+serd_statement_node(const SerdStatement* statement, SerdField field);
+
+/**
+   Return the subject in `statement`.
+*/
+SERD_API
+const SerdNode*
+serd_statement_subject(const SerdStatement* statement);
+
+/**
+   Return the predicate in `statement`.
+*/
+SERD_API
+const SerdNode*
+serd_statement_predicate(const SerdStatement* statement);
+
+/**
+   Return the object in `statement`.
+*/
+SERD_API
+const SerdNode*
+serd_statement_object(const SerdStatement* statement);
+
+/**
+   Return the graph in `statement`.
+*/
+SERD_API
+const SerdNode*
+serd_statement_graph(const SerdStatement* statement);
+
+/**
+   @}
    @}
 */