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diff --git a/src/sordi.c b/src/sordi.c
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+/* Sord, a lightweight RDF syntax library.
+ * Copyright 2011 David Robillard <d@drobilla.net>
+ *
+ * Sord 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.
+ *
+ * Sord 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 <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "serd/serd.h"
+#include "sord/sord.h"
+#include "sord-config.h"
+
+typedef struct {
+ SerdWriter writer;
+ SerdEnv env;
+ SerdNode base_uri_node;
+ SerdURI base_uri;
+ Sord sord;
+} State;
+
+int
+print_version()
+{
+ printf("sordi " SORD_VERSION " <http://drobilla.net/software/serd>\n");
+ printf("Copyright (C) 2011 David Robillard <http://drobilla.net>.\n"
+ "\nLicense: GNU LGPL version 3 or later "
+ "<http://gnu.org/licenses/lgpl.html>.\n"
+ "This is free software; you are free to change and redistribute it."
+ "\nThere is NO WARRANTY, to the extent permitted by law.\n");
+ return 0;
+}
+
+int
+print_usage(const char* name, bool error)
+{
+ FILE* const os = error ? stderr : stdout;
+ fprintf(os, "Usage: %s [OPTION]... INPUT [BASE_URI]\n", name);
+ fprintf(os, "Load and re-serialise RDF syntax.\n\n");
+ fprintf(os, " -h Display this help and exit\n");
+ fprintf(os, " -o SYNTAX Output syntax (`turtle' or `ntriples')\n");
+ fprintf(os, " -v Display version information and exit\n");
+ return error ? 1 : 0;
+}
+
+static size_t
+file_sink(const void* buf, size_t len, void* stream)
+{
+ FILE* file = (FILE*)stream;
+ return fwrite(buf, 1, len, file);
+}
+
+static inline SerdNode
+serd_node_from_sord_node(const SordNode n)
+{
+ size_t n_bytes = 0;
+ const char* buf = sord_node_get_string_counted(n, &n_bytes);
+ SerdNode sn = { SERD_NOTHING, n_bytes, n_bytes - 1, (const uint8_t*)buf };
+ // FIXME: UTF-8
+ switch (sord_node_get_type(n)) {
+ case SORD_URI:
+ sn.type = SERD_URI;
+ break;
+ case SORD_BLANK:
+ sn.type = SERD_BLANK_ID;
+ break;
+ case SORD_LITERAL:
+ sn.type = SERD_LITERAL;
+ break;
+ }
+ return sn;
+}
+
+int
+main(int argc, char** argv)
+{
+ if (argc < 2) {
+ return print_usage(argv[0], true);
+ }
+
+ SerdSyntax output_syntax = SERD_NTRIPLES;
+ int a = 1;
+ for (; a < argc && argv[a][0] == '-'; ++a) {
+ if (argv[a][1] == 'h') {
+ return print_usage(argv[0], false);
+ } else if (argv[a][1] == 'v') {
+ return print_version();
+ } else if (argv[a][1] == 'o') {
+ if (++a == argc) {
+ fprintf(stderr, "missing value for -o\n");
+ return 1;
+ }
+ if (!strcmp(argv[a], "turtle")) {
+ output_syntax = SERD_TURTLE;
+ } else if (!strcmp(argv[a], "ntriples")) {
+ output_syntax = SERD_NTRIPLES;
+ } else {
+ fprintf(stderr, "unknown output format `%s'\n", argv[a]);
+ return 1;
+ }
+ } else {
+ fprintf(stderr, "unknown option `%s'\n", argv[a]);
+ return print_usage(argv[0], true);
+ }
+ }
+
+ const uint8_t* input = (const uint8_t*)argv[a++];
+
+ Sord sord = sord_new();
+ sord_open(sord);
+
+ bool success = sord_read_file(sord, input);
+
+ printf("loaded %u statements\n", sord_num_nodes(sord));
+
+ SerdURI base_uri;
+ if (!serd_uri_parse(input, &base_uri)) {
+ fprintf(stderr, "bad input URI `%s'\n", input);
+ return 1;
+ }
+
+ SerdEnv env = serd_env_new();
+ SerdWriter writer = serd_writer_new(SERD_TURTLE, SERD_STYLE_ABBREVIATED,
+ env, &base_uri, file_sink, stdout);
+
+ // Query
+ SordTuple pat = { 0, 0, 0, 0 };
+ SordIter iter = sord_find(sord, pat);
+ for (; !sord_iter_is_end(iter); sord_iter_increment(iter)) {
+ SordTuple tup;
+ sord_iter_get(iter, tup);
+ SordNode s, p, o;
+ sord_tuple_load(sord, tup, &s, &p, &o);
+ /*printf("%s %s %s .\n",
+ sord_node_get_string(s),
+ sord_node_get_string(p),
+ sord_node_get_string(o));*/
+
+ SerdNode ss = serd_node_from_sord_node(s);
+ SerdNode sp = serd_node_from_sord_node(p);
+ SerdNode so = serd_node_from_sord_node(o);
+ serd_writer_write_statement(
+ writer, NULL, &ss, &sp, &so, NULL, NULL);
+ }
+
+ serd_writer_finish(writer);
+ serd_writer_free(writer);
+
+ serd_env_free(env);
+
+ sord_free(sord);
+
+ return success ? 0 : 1;
+}