From cd63c3d8d0627b5cb6c060db5f5132c0dbcc9a79 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 3 Jun 2018 19:42:30 +0200
Subject: Add sink interface

---
 serd/serd.h | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/sink.c  | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 wscript     |  1 +
 3 files changed, 123 insertions(+)
 create mode 100644 src/sink.c

diff --git a/serd/serd.h b/serd/serd.h
index 5bfcec1e..1db1d1b1 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -936,6 +936,66 @@ serd_env_foreach(const SerdEnv* env,
                  SerdPrefixSink func,
                  void*          handle);
 
+/**
+   @}
+   @name Sink
+   @{
+*/
+
+/**
+   Set the base URI.
+
+   Simple wrapper for the `SerdBaseSink` of `sink`.
+*/
+SERD_API
+SerdStatus
+serd_sink_set_base(const SerdSink* sink, const SerdNode* uri);
+
+/**
+   Set a namespace prefix.
+
+   Simple wrapper for the `SerdPrefixSink` of `sink`.
+*/
+SERD_API
+SerdStatus
+serd_sink_set_prefix(const SerdSink* sink,
+                     const SerdNode* name,
+                     const SerdNode* uri);
+
+/**
+   Write a statement.
+
+   Simple wrapper for the `SerdStatementSink` of `sink`.
+*/
+SERD_API
+SerdStatus
+serd_sink_write_statement(const SerdSink*      sink,
+                          SerdStatementFlags   flags,
+                          const SerdStatement* statement);
+
+/**
+   Write a statement from individual nodes.
+
+   Simple wrapper for the `SerdStatementSink` of `sink`.
+*/
+SERD_API
+SerdStatus
+serd_sink_write_nodes(const SerdSink*    sink,
+                      SerdStatementFlags flags,
+                      const SerdNode*    subject,
+                      const SerdNode*    predicate,
+                      const SerdNode*    object,
+                      const SerdNode*    graph);
+
+/**
+   Mark the end of an anonymous node.
+
+   Simple wrapper for the `SerdEndSink` of `sink`.
+*/
+SERD_API
+SerdStatus
+serd_sink_end(const SerdSink* sink, const SerdNode* node);
+
 /**
    @}
    @name Reader
diff --git a/src/sink.c b/src/sink.c
new file mode 100644
index 00000000..52e85c48
--- /dev/null
+++ b/src/sink.c
@@ -0,0 +1,62 @@
+/*
+  Copyright 2011-2014 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "serd/serd.h"
+
+SerdStatus
+serd_sink_set_base(const SerdSink* sink, const SerdNode* uri)
+{
+	return sink->base(sink->handle, uri);
+}
+
+SerdStatus
+serd_sink_set_prefix(const SerdSink* sink,
+                     const SerdNode* name,
+                     const SerdNode* uri)
+{
+	return sink->prefix(sink->handle, name, uri);
+}
+
+SerdStatus
+serd_sink_write_statement(const SerdSink*          sink,
+                          const SerdStatementFlags flags,
+                          const SerdStatement*     statement)
+{
+	return sink->statement(sink->handle,
+	                       flags,
+	                       serd_statement_get_graph(statement),
+	                       serd_statement_get_subject(statement),
+	                       serd_statement_get_predicate(statement),
+	                       serd_statement_get_object(statement));
+}
+
+SerdStatus
+serd_sink_write_nodes(const SerdSink*          sink,
+                      const SerdStatementFlags flags,
+                      const SerdNode*          subject,
+                      const SerdNode*          predicate,
+                      const SerdNode*          object,
+                      const SerdNode*          graph)
+{
+	return sink->statement(
+		sink->handle, flags, graph, subject, predicate, object);
+}
+
+SerdStatus
+serd_sink_end(const SerdSink* sink, const SerdNode* node)
+{
+	return sink->end(sink->handle, node);
+}
diff --git a/wscript b/wscript
index ce13f7bd..87c9d1e2 100644
--- a/wscript
+++ b/wscript
@@ -80,6 +80,7 @@ lib_source = ['src/base64.c',
               'src/n3.c',
               'src/node.c',
               'src/reader.c',
+              'src/sink.c',
               'src/statement.c',
               'src/string.c',
               'src/syntax.c',
-- 
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