Move library tree where it belongs

lib-src/redland/librdf/rdf_statement.h

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+/* -*- Mode: c; c-basic-offset: 2 -*-
+ *
+ * rdf_statement.h - RDF Statement definition
+ *
+ * Copyright (C) 2000-2008, David Beckett http://www.dajobe.org/
+ * Copyright (C) 2000-2004, University of Bristol, UK http://www.bristol.ac.uk/
+ * 
+ * This package is Free Software and part of Redland http://librdf.org/
+ * 
+ * It is licensed under the following three licenses as alternatives:
+ *   1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
+ *   2. GNU General Public License (GPL) V2 or any newer version
+ *   3. Apache License, V2.0 or any newer version
+ * 
+ * You may not use this file except in compliance with at least one of
+ * the above three licenses.
+ * 
+ * See LICENSE.html or LICENSE.txt at the top of this package for the
+ * complete terms and further detail along with the license texts for
+ * the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
+ * 
+ * 
+ */
+
+
+
+#ifndef LIBRDF_STATEMENT_H
+#define LIBRDF_STATEMENT_H
+
+#ifdef LIBRDF_INTERNAL
+#include <rdf_statement_internal.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * librdf_statement_part:
+ * @LIBRDF_STATEMENT_SUBJECT: Subject of a statement.
+ * @LIBRDF_STATEMENT_PREDICATE: Predicate of a statement.
+ * @LIBRDF_STATEMENT_OBJECT: Object of a statement.
+ * @LIBRDF_STATEMENT_ALL: All parts of a statement.
+ *
+ * Flags that are or-ed to indicate statement parts.
+ *
+ * Used in fields arguments to methods such as the public
+ * librdf_statement_encode_parts() librdf_statement_decode_parts()
+ * librdf_new_stream_from_node_iterator() and the internal
+ * librdf_storage_node_stream_to_node_create()
+ */
+typedef enum {
+  LIBRDF_STATEMENT_SUBJECT   = 1 << 0,
+  LIBRDF_STATEMENT_PREDICATE = 1 << 1,
+  LIBRDF_STATEMENT_OBJECT    = 1 << 2,
+
+  /* must be a combination of all of the above */
+  LIBRDF_STATEMENT_ALL       = (LIBRDF_STATEMENT_SUBJECT|
+                                LIBRDF_STATEMENT_PREDICATE|
+                                LIBRDF_STATEMENT_OBJECT)
+} librdf_statement_part;
+
+
+/* initialising functions / constructors */
+
+/* Create a new Statement. */
+REDLAND_API
+librdf_statement* librdf_new_statement(librdf_world* world);
+
+/* Create a new Statement from an existing Statement - CLONE */
+REDLAND_API
+librdf_statement* librdf_new_statement_from_statement(librdf_statement* statement);
+/* Create a new Statement from existing Nodes */
+REDLAND_API
+librdf_statement* librdf_new_statement_from_nodes(librdf_world *world, librdf_node* subject, librdf_node* predicate, librdf_node* object);
+
+/* Init a statically allocated statement */
+REDLAND_API
+void librdf_statement_init(librdf_world *world, librdf_statement *statement);
+
+/* Clear a statically allocated statement */
+REDLAND_API
+void librdf_statement_clear(librdf_statement *statement);
+
+/* destructor */
+REDLAND_API
+void librdf_free_statement(librdf_statement* statement);
+
+
+/* functions / methods */
+
+REDLAND_API
+librdf_node* librdf_statement_get_subject(librdf_statement *statement);
+REDLAND_API
+void librdf_statement_set_subject(librdf_statement *statement, librdf_node *node);
+
+REDLAND_API
+librdf_node* librdf_statement_get_predicate(librdf_statement *statement);
+REDLAND_API
+void librdf_statement_set_predicate(librdf_statement *statement, librdf_node *node);
+
+REDLAND_API
+librdf_node* librdf_statement_get_object(librdf_statement *statement);
+REDLAND_API
+void librdf_statement_set_object(librdf_statement *statement, librdf_node *node);
+
+/* if statement has all fields */
+REDLAND_API
+int librdf_statement_is_complete(librdf_statement *statement);
+
+/* convert to a string */
+REDLAND_API
+unsigned char *librdf_statement_to_string(librdf_statement *statement);
+/* print it prettily */
+REDLAND_API
+void librdf_statement_print(librdf_statement *statement, FILE *fh);
+
+/* compare two statements */
+REDLAND_API
+int librdf_statement_equals(librdf_statement* statement1, librdf_statement* statement2);
+/* match statement against one with partial content */
+REDLAND_API
+int librdf_statement_match(librdf_statement* statement, librdf_statement* partial_statement);
+
+/* serialising/deserialising */
+REDLAND_API
+size_t librdf_statement_encode(librdf_statement* statement, unsigned char *buffer, size_t length);
+REDLAND_API
+size_t librdf_statement_encode_parts(librdf_statement* statement, librdf_node* context_node, unsigned char *buffer, size_t length, librdf_statement_part fields);
+REDLAND_API
+size_t librdf_statement_decode(librdf_statement* statement, unsigned char *buffer, size_t length);
+REDLAND_API
+size_t librdf_statement_decode_parts(librdf_statement* statement, librdf_node** context_node, unsigned char *buffer, size_t length);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif