From b085fe7aa38e5e2caf82b1fec6b7e6094779dd5a Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 1 Mar 2021 19:38:01 -0500
Subject: Add SerdSink interface and hide implementations

---
 src/writer.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'src/writer.c')

diff --git a/src/writer.c b/src/writer.c
index e23058f0..2b2d5ed8 100644
--- a/src/writer.c
+++ b/src/writer.c
@@ -18,6 +18,7 @@
 #include "env.h"
 #include "node.h"
 #include "serd_internal.h"
+#include "sink.h"
 #include "stack.h"
 #include "string_utils.h"
 #include "uri_utils.h"
@@ -92,6 +93,7 @@ static const SepRule rules[] = {{NULL, 0, 0, 0, 0},
                                 {"\n", 1, 0, 1, 0}};
 
 struct SerdWriterImpl {
+  SerdSink        iface;
   SerdSyntax      syntax;
   SerdWriterFlags flags;
   SerdEnv*        env;
@@ -113,6 +115,11 @@ struct SerdWriterImpl {
 
 typedef enum { WRITE_STRING, WRITE_LONG_STRING } TextContext;
 
+static SerdStatus
+serd_writer_set_prefix(SerdWriter*     writer,
+                       const SerdNode* name,
+                       const SerdNode* uri);
+
 static bool
 write_node(SerdWriter*        writer,
            const SerdNode*    node,
@@ -785,7 +792,7 @@ write_list_obj(SerdWriter*        writer,
   return false;
 }
 
-SerdStatus
+static SerdStatus
 serd_writer_write_statement(SerdWriter*        writer,
                             SerdStatementFlags flags,
                             const SerdNode*    graph,
@@ -915,7 +922,7 @@ serd_writer_write_statement(SerdWriter*        writer,
   return SERD_SUCCESS;
 }
 
-SerdStatus
+static SerdStatus
 serd_writer_end_anon(SerdWriter* writer, const SerdNode* node)
 {
   if (writer->syntax == SERD_NTRIPLES || writer->syntax == SERD_NQUADS) {
@@ -976,6 +983,12 @@ serd_writer_new(SerdSyntax      syntax,
   writer->byte_sink  = serd_byte_sink_new(
     ssink, stream, (flags & SERD_WRITE_BULK) ? SERD_PAGE_SIZE : 1);
 
+  writer->iface.handle    = writer;
+  writer->iface.base      = (SerdBaseFunc)serd_writer_set_base_uri;
+  writer->iface.prefix    = (SerdPrefixFunc)serd_writer_set_prefix;
+  writer->iface.statement = (SerdStatementFunc)serd_writer_write_statement;
+  writer->iface.end       = (SerdEndFunc)serd_writer_end_anon;
+
   return writer;
 }
 
@@ -1083,6 +1096,12 @@ serd_writer_free(SerdWriter* writer)
   free(writer);
 }
 
+const SerdSink*
+serd_writer_sink(SerdWriter* writer)
+{
+  return &writer->iface;
+}
+
 SerdEnv*
 serd_writer_env(SerdWriter* writer)
 {
-- 
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