Add tutorial examples rdfcat.c rdfprint.c

2 files changed, 91 insertions, 0 deletions

diff --git a/examples/rdfcat.c b/examples/rdfcat.c
new file mode 100644
index 00000000..ab2ab3e7
--- /dev/null
+++ b/examples/rdfcat.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <raptor.h>
+
+/* rdfcat.c: parse any RDF syntax and serialize to RDF/XML-Abbrev */
+
+static raptor_serializer* rdf_serializer;
+
+void
+serialize_triple(void* user_data, const raptor_statement* triple) 
+{
+  raptor_serialize_statement(rdf_serializer, triple);
+}
+
+static void
+declare_namespace(void* user_data, raptor_namespace *nspace)
+{
+  raptor_serialize_set_namespace_from_namespace(rdf_serializer, nspace);
+}
+
+int
+main(int argc, char *argv[])
+{
+  raptor_parser* rdf_parser=NULL;
+  unsigned char *uri_string;
+  raptor_uri *uri, *base_uri;
+
+  raptor_init();
+
+  uri_string=raptor_uri_filename_to_uri_string(argv[1]);
+  uri=raptor_new_uri(uri_string);
+  base_uri=raptor_uri_copy(uri);
+
+  /* Ask raptor to work out which parser to use */
+  rdf_parser=raptor_new_parser("guess");
+  raptor_set_statement_handler(rdf_parser, NULL, serialize_triple);
+  raptor_set_namespace_handler(rdf_parser, NULL, declare_namespace);
+
+  rdf_serializer=raptor_new_serializer("rdfxml-abbrev");
+
+  raptor_serialize_start_to_file_handle(rdf_serializer, base_uri, stdout);
+  raptor_parse_file(rdf_parser, uri, base_uri);
+  raptor_serialize_end(rdf_serializer);
+
+  raptor_free_serializer(rdf_serializer);
+  raptor_free_parser(rdf_parser);
+
+  raptor_free_uri(base_uri);
+  raptor_free_uri(uri);
+  raptor_free_memory(uri_string);
+
+  raptor_finish();
+}
diff --git a/examples/rdfprint.c b/examples/rdfprint.c
new file mode 100644
index 00000000..23c394b6
--- /dev/null
+++ b/examples/rdfprint.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <raptor.h>
+
+/* rdfprint.c: print triples from parsing RDF/XML */
+
+void
+print_triple(void* user_data, const raptor_statement* triple) 
+{
+  raptor_print_statement_as_ntriples(triple, stdout);
+  fputc('\n', stdout);
+}
+
+int
+main(int argc, char *argv[])
+{
+  raptor_parser* rdf_parser=NULL;
+  unsigned char *uri_string;
+  raptor_uri *uri, *base_uri;
+
+  raptor_init();
+
+  rdf_parser=raptor_new_parser("rdfxml");
+
+  raptor_set_statement_handler(rdf_parser, NULL, print_triple);
+
+  uri_string=raptor_uri_filename_to_uri_string(argv[1]);
+  uri=raptor_new_uri(uri_string);
+  base_uri=raptor_uri_copy(uri);
+
+  raptor_parse_file(rdf_parser, uri, base_uri);
+
+  raptor_free_parser(rdf_parser);
+
+  raptor_free_uri(base_uri);
+  raptor_free_uri(uri);
+  raptor_free_memory(uri_string);
+
+  raptor_finish();
+}