Add SerdSinkInterface and hide implementations

1 files changed, 20 insertions, 42 deletions

diff --git a/serd/serd.h b/serd/serd.h
index 6add5a78..4e9b5d48 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -683,6 +683,17 @@ typedef SerdStatus (*SerdEndSink)(void*           handle,
                                   const SerdNode* node);
 
 /**
+   An interface that receives a stream of RDF data.
+*/
+typedef struct SerdSinkInterface {
+	void*             handle;
+	SerdBaseSink      base;
+	SerdPrefixSink    prefix;
+	SerdStatementSink statement;
+	SerdEndSink       end;
+} SerdSinkInterface;
+
+/**
    @}
    @name Environment
    @{
@@ -789,13 +800,8 @@ serd_env_foreach(const SerdEnv* env,
 */
 SERD_API
 SerdReader*
-serd_reader_new(SerdSyntax        syntax,
-                void*             handle,
-                void              (*free_handle)(void*),
-                SerdBaseSink      base_sink,
-                SerdPrefixSink    prefix_sink,
-                SerdStatementSink statement_sink,
-                SerdEndSink       end_sink);
+serd_reader_new(SerdSyntax               syntax,
+                const SerdSinkInterface* sink);
 
 /**
    Enable or disable strict parsing.
@@ -953,6 +959,13 @@ void
 serd_writer_free(SerdWriter* writer);
 
 /**
+   Return a sink interface that emits statements via `writer`.
+*/
+SERD_API
+const SerdSinkInterface*
+serd_writer_get_sink_interface(SerdWriter* writer);
+
+/**
    Return the env used by `writer`.
 */
 SERD_API
@@ -1037,41 +1050,6 @@ serd_writer_set_root_uri(SerdWriter*     writer,
                          const SerdNode* uri);
 
 /**
-   Set a namespace prefix (and emit directive if applicable).
-
-   Note this function can be safely casted to SerdPrefixSink.
-*/
-SERD_API
-SerdStatus
-serd_writer_set_prefix(SerdWriter*     writer,
-                       const SerdNode* name,
-                       const SerdNode* uri);
-
-/**
-   Write a statement.
-
-   Note this function can be safely casted to SerdStatementSink.
-*/
-SERD_API
-SerdStatus
-serd_writer_write_statement(SerdWriter*        writer,
-                            SerdStatementFlags flags,
-                            const SerdNode*    graph,
-                            const SerdNode*    subject,
-                            const SerdNode*    predicate,
-                            const SerdNode*    object);
-
-/**
-   Mark the end of an anonymous node's description.
-
-   Note this function can be safely casted to SerdEndSink.
-*/
-SERD_API
-SerdStatus
-serd_writer_end_anon(SerdWriter*     writer,
-                     const SerdNode* node);
-
-/**
    Finish a write.
 */
 SERD_API