Move node functions into API.

git-svn-id: http://svn.drobilla.net/serd/trunk@75 490d8e77-9747-427b-9fa3-0b8f29cee8a0

1 files changed, 90 insertions, 0 deletions

diff --git a/src/node.c b/src/node.c
new file mode 100644
index 00000000..01904375
--- /dev/null
+++ b/src/node.c
@@ -0,0 +1,90 @@
+/* Serd, a lightweight RDF syntax library.
+ * Copyright 2011 David Robillard <d@drobilla.net>
+ *
+ * Serd is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Serd is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "serd_internal.h"
+
+SERD_API
+SerdNode
+serd_node_copy(const SerdNode* node)
+{
+	SerdNode copy = *node;
+	uint8_t* buf  = malloc(copy.n_bytes);
+	memcpy(buf, node->buf, copy.n_bytes);
+	copy.buf = buf;
+	return copy;
+}
+
+static size_t
+serd_uri_string_length(const SerdURI* uri)
+{
+	size_t len = uri->path_base.len;
+
+#define ADD_LEN(field, n_delims) \
+	if ((field).len) { len += (field).len + (n_delims); }
+
+	ADD_LEN(uri->path,      1);  // + possible leading `/'
+	ADD_LEN(uri->scheme,    1);  // + trailing `:'
+	ADD_LEN(uri->authority, 2);  // + leading `//'
+	ADD_LEN(uri->query,     1);  // + leading `?'
+	ADD_LEN(uri->fragment,  1);  // + leading `#'
+
+	return len;
+}
+
+static size_t
+string_sink(const void* buf, size_t len, void* stream)
+{
+	uint8_t** ptr = (uint8_t**)stream;
+	memcpy(*ptr, buf, len);
+	*ptr += len;
+	return len;
+}
+
+SERD_API
+SerdNode
+serd_node_new_uri(const SerdURI* uri, SerdURI* out)
+{
+	const size_t len = serd_uri_string_length(uri);
+	uint8_t*     buf = malloc(len + 1);
+
+	SerdNode node = { SERD_URI, len + 1, len, buf };  // FIXME: UTF-8
+
+	uint8_t*     ptr        = buf;
+	const size_t actual_len = serd_uri_serialise(uri, string_sink, &ptr);
+
+	buf[actual_len] = '\0';
+	node.n_bytes    = actual_len + 1;
+	node.n_chars    = actual_len;
+
+	// FIXME: double parse
+	if (!serd_uri_parse(buf, out)) {
+		fprintf(stderr, "error parsing URI\n");
+		return SERD_NODE_NULL;
+	}
+
+	return node;
+}
+
+SERD_API
+void
+serd_node_free(SerdNode* node)
+{
+	free((uint8_t*)node->buf);  // FIXME: ick, const cast
+}