9 files changed, 2605 insertions, 0 deletions
diff --git a/examples/Makefile.am b/examples/Makefile.am
new file mode 100644
index 0000000..8ea2900
--- /dev/null
+++ b/examples/Makefile.am
@@ -0,0 +1,75 @@
+# -*- Mode: Makefile -*-
+#
+# Makefile.am - automake file for Raptor examples
+#
+# Copyright (C) 2003-2010, David Beckett http://www.dajobe.org/
+# Copyright (C) 2003-2004, 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.
+# 
+# 
+
+EXTRA_PROGRAMS = \
+raptor_abort grapper \
+rdfcat rdfprint rdfserialize rdfguess rdfcount
+
+examples: $(EXTRA_PROGRAMS)
+
+CLEANFILES = $(EXTRA_PROGRAMS)
+
+AM_CFLAGS=$(MEM)
+AM_LDFLAGS=$(MEM_LIBS)
+AM_CPPFLAGS=-I$(top_srcdir)/src
+
+raptor_abort_SOURCES = raptor_abort.c
+raptor_abort_LDADD=$(top_builddir)/src/libraptor2.la
+raptor_abort_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+grapper_SOURCES = grapper.c
+grapper_LDADD=$(top_builddir)/src/libraptor2.la
+grapper_CFLAGS=`pkg-config --cflags gtk+-2.0 gconf-2.0`
+grapper_LDFLAGS=`pkg-config --libs gtk+-2.0 gconf-2.0`
+grapper_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+rdfcat_SOURCES = rdfcat.c
+rdfcat_LDADD=$(top_builddir)/src/libraptor2.la
+rdfcat_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+rdfprint_SOURCES = rdfprint.c
+rdfprint_LDADD=$(top_builddir)/src/libraptor2.la
+rdfprint_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+rdfserialize_SOURCES = rdfserialize.c
+rdfserialize_LDADD=$(top_builddir)/src/libraptor2.la
+rdfserialize_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+rdfguess_SOURCES = rdfguess.c
+rdfguess_LDADD=$(top_builddir)/src/libraptor2.la
+rdfguess_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+rdfcount_SOURCES = rdfcount.c
+rdfcount_LDADD=$(top_builddir)/src/libraptor2.la
+rdfcount_DEPENDENCIES = $(top_builddir)/src/libraptor2.la
+
+
+$(top_builddir)/src/libraptor2.la:
+	cd $(top_builddir)/src && $(MAKE) libraptor2.la
+
+$(top_builddir)/../librdf/librdf.la:
+	cd $(top_builddir)/../librdf && $(MAKE) librdf.la
+
+grapper-future:
+	$(MAKE) clean
+	$(MAKE) grapper CC="$(CC) -DGTK_DISABLE_DEPRECATED" V=1
diff --git a/examples/Makefile.in b/examples/Makefile.in
new file mode 100644
index 0000000..29e4d56
--- /dev/null
+++ b/examples/Makefile.in
@@ -0,0 +1,772 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# -*- Mode: Makefile -*-
+#
+# Makefile.am - automake file for Raptor examples
+#
+# Copyright (C) 2003-2010, David Beckett http://www.dajobe.org/
+# Copyright (C) 2003-2004, 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.
+# 
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+	rdfcat$(EXEEXT) rdfprint$(EXEEXT) rdfserialize$(EXEEXT) \
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+
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+.PRECIOUS: Makefile
+
+
+examples: $(EXTRA_PROGRAMS)
+
+$(top_builddir)/src/libraptor2.la:
+	cd $(top_builddir)/src && $(MAKE) libraptor2.la
+
+$(top_builddir)/../librdf/librdf.la:
+	cd $(top_builddir)/../librdf && $(MAKE) librdf.la
+
+grapper-future:
+	$(MAKE) clean
+	$(MAKE) grapper CC="$(CC) -DGTK_DISABLE_DEPRECATED" V=1
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/examples/grapper.c b/examples/grapper.c
new file mode 100644
index 0000000..a15c662
--- /dev/null
+++ b/examples/grapper.c
@@ -0,0 +1,1322 @@
+/* -*- Mode: c; c-basic-offset: 2 -*-
+ *
+ * grapper.c - Raptor GTK GUI example code
+ *
+ * Copyright (C) 2003-2010, David Beckett http://www.dajobe.org/
+ * Copyright (C) 2003-2005, 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.
+ * 
+ * 
+ * Requires GTK 2.5.0+
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <raptor_config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <unistd.h>
+
+/* for the memory allocation functions */
+#if defined(HAVE_DMALLOC_H) && defined(RAPTOR_MEMORY_DEBUG_DMALLOC)
+#include <dmalloc.h>
+#endif
+
+/* Raptor includes */
+#include <raptor2.h>
+
+/* Gtk 2.0 */
+#include <gtk/gtk.h>
+
+/* Gconf */
+#include <gconf/gconf.h>
+#include <gconf/gconf-client.h>
+
+#if GTK_CHECK_VERSION(2,5,0)
+#else
+#error "Requires GTK 2.5.0+"
+#endif
+
+/* Qnames button does nothing */
+#undef GRAPPER_QNAMES
+
+/* GtkUIManager and external XML file is too damn complex to make work */
+#ifdef GTK_DISABLE_DEPRECATED
+/* GtkItemFactory was deprecated in GTK+ 2.4 */
+#undef ITEM_FACTORY
+/* GtkToolTips was deprecated in GTK+ 2.12 */
+#undef TOOL_TIPS
+#else
+#define ITEM_FACTORY 1
+#define TOOL_TIPS 1
+#endif
+
+static const char *application_name = "Grapper";
+static const char *application_title = "Grapper GUI RDF Parser Utility";
+static const char *application_description = "GUI RDF parser utility based on the Raptor RDF parsing library";
+
+
+/* Top level window */
+static GtkWidget *grapper_window;
+
+
+/* GConf */
+static GConfClient *gconf_client = NULL;
+
+#define GCONF_GRAPPER_NAMESPACE "/apps/grapper"
+
+/* configuration dir listened to */
+static const gchar* gconf_namespace= GCONF_GRAPPER_NAMESPACE;
+
+/* window width key */
+static const gchar* width_gconf_key = (const gchar*) GCONF_GRAPPER_NAMESPACE "/width";
+/* window height key */
+static const gchar* height_gconf_key = (const gchar*) GCONF_GRAPPER_NAMESPACE "/height";
+
+#define MIN_WINDOW_WIDTH 400
+#define MIN_WINDOW_HEIGHT 300
+
+
+typedef struct
+{
+  raptor_world* world;
+  /* model data */
+#ifdef GRAPPER_QNAMES
+  int qnames;
+#endif
+  int guess;
+  unsigned int syntax;
+
+  int options[RAPTOR_OPTION_LAST];
+  int options_set[RAPTOR_OPTION_LAST];
+  int ignore_warnings;
+
+  unsigned char *url;
+
+  /* last picked filename or NULL */
+  gchar *filename;
+
+  /* GList *triples_list; */
+  int triples_count;
+  int warnings_count;
+  int errors_count;
+  gchar *error;
+
+  /* view/controller data */
+  GtkWidget *window;
+  GtkWidget *v_box;
+  GtkWidget *url_entry;
+  GtkListStore *triples_store;
+  GtkWidget *file_selection;
+  GtkWidget *status;
+  GtkWidget *triples_frame;
+  GtkWidget *errors_frame;
+  GtkListStore *errors_store;
+
+} grapper_state;
+
+
+typedef struct 
+{
+  grapper_state* state;
+  int option;
+} grapper_widget_data;
+
+
+enum {
+  SUBJECT_COLUMN,
+  PREDICATE_COLUMN,
+  OBJECT_COLUMN,
+  N_COLUMNS
+};
+
+
+/* Local prototypes */
+static void grapper_model_parse(grapper_state *state);
+
+
+static void
+grapper_view_url_changed(grapper_state *state) 
+{
+  GtkWidget *url_entry=state->url_entry;
+
+  gtk_entry_set_text(GTK_ENTRY(url_entry), (const gchar*)state->url);
+}
+
+#ifdef GRAPPER_QNAMES
+static void
+grapper_view_qnames_changed(grapper_state *state) 
+{
+
+}
+#endif
+
+static void
+grapper_view_guess_changed(grapper_state *state) 
+{
+
+}
+
+static void
+grapper_view_option_changed(grapper_state *state, int option) 
+{
+
+}
+
+static void
+grapper_view_syntax_changed(grapper_state *state) 
+{
+  
+}
+
+static void
+grapper_view_set_triples_count(grapper_state *state, int count)
+{
+#define TC_BUF_LEN 18
+  char buf[TC_BUF_LEN+1];
+  if(count>0)
+    snprintf(buf, TC_BUF_LEN, "Triples: %d", count);
+  else
+    memcpy(buf, "Triples", 8);
+  
+  gtk_frame_set_label(GTK_FRAME(state->triples_frame), buf);
+}
+
+static void
+grapper_view_add_triple(grapper_state *state, unsigned char* nodes[3], int i)  
+{
+  GtkListStore *store=state->triples_store;
+  GtkTreeIter iter;
+
+  gtk_list_store_append(store, &iter);
+  gtk_list_store_set(store, &iter,
+                     SUBJECT_COLUMN,   nodes[0],
+                     PREDICATE_COLUMN, nodes[1],
+                     OBJECT_COLUMN,    nodes[2],
+                     -1);  
+}
+
+static void
+grapper_view_empty_triples(grapper_state *state)
+{
+  gtk_list_store_clear(state->triples_store);
+  gtk_list_store_clear(state->errors_store);
+}
+
+
+static void
+grapper_view_reset_status(grapper_state *state)
+{
+  gtk_list_store_clear(state->errors_store);
+}
+
+
+static void
+grapper_view_update_error_count(grapper_state *state) 
+{
+#define EC_BUF_LEN 18
+  char buf[EC_BUF_LEN+1];
+  int count=state->errors_count;
+
+  if(count>0)
+    snprintf(buf, EC_BUF_LEN, "Errors: %d", count);
+  else
+    memcpy(buf, "Errors", 7);
+
+  gtk_frame_set_label(GTK_FRAME(state->errors_frame), buf);
+}
+
+
+static void
+grapper_view_add_error_message(grapper_state *state, gchar *error,
+                               raptor_locator *locator, int is_error)
+{
+  if(error) {
+    GtkListStore *store = state->errors_store;
+    GtkTreeIter iter;
+    int line = (locator && locator->line >= 0) ? locator->line : 0;
+
+    gtk_list_store_append(store, &iter);
+    gtk_list_store_set(store, &iter,
+                       0, line,
+                       1, (is_error ? "Error" : "Warning"),
+                       2, error,
+                       -1);  
+    grapper_view_update_error_count(state);
+  }
+}
+
+
+static void
+grapper_model_add_triple(grapper_state *state, unsigned char *nodes[3])  
+{
+  /* g_list_append(state->triples_list, nodes); */
+  state->triples_count++;
+
+  grapper_view_add_triple(state, nodes, state->triples_count-1);
+  grapper_view_set_triples_count(state, state->triples_count);
+}
+
+
+static void
+grapper_model_empty_triples(grapper_state *state)  
+{
+  /* g_list_free(state->triples_list); */
+
+  grapper_view_empty_triples(state);
+}
+
+
+static void
+grapper_model_set_url(grapper_state *state, const unsigned char *url) 
+{
+  if(state->url) {
+    if(!strcmp((const char*)state->url, (const char*)url))
+      return;
+
+    g_free(state->url);
+  }
+  
+  state->url = (unsigned char*)g_strdup((const char*)url);
+
+  grapper_view_url_changed(state);
+}
+
+
+#ifdef GRAPPER_QNAMES
+static void
+grapper_model_set_qnames (grapper_state *state, int qnames)
+{
+  if(state->qnames == qnames)
+    return;
+  
+  state->qnames=qnames;
+  grapper_view_qnames_changed(state);
+}
+#endif
+
+
+static void
+grapper_model_set_guess (grapper_state *state, int guess)
+{
+  if(state->guess == guess)
+    return;
+  
+  state->guess=guess;
+  grapper_view_guess_changed(state);
+}
+
+static void
+grapper_model_set_option(grapper_state *state, int option, int value)
+{
+  if(state->options[option] == value)
+    return;
+  
+  state->options[option] = value;
+  state->options_set[option] = 1;
+  grapper_view_option_changed(state, option);
+}
+
+
+static void
+grapper_model_set_syntax (grapper_state *state, unsigned int syntax)
+{
+  if(state->syntax == syntax)
+    return;
+  
+  state->syntax=syntax;
+  grapper_view_syntax_changed(state);
+}
+
+
+static void
+grapper_model_reset_counts(grapper_state *state) 
+{
+  state->triples_count = 0;
+  state->warnings_count = 0;
+  state->errors_count = 0;
+  grapper_view_update_error_count(state);
+}
+
+
+static void
+grapper_model_reset_error(grapper_state *state) 
+{
+  if(state->error) {
+    g_free(state->error);
+    state->error = NULL;
+  }
+  grapper_view_reset_status(state);
+}
+
+
+static void
+grapper_model_log_handler(void *data, raptor_log_message *message)
+{
+  grapper_state* state = (grapper_state*)data;
+
+  if(message->level >= RAPTOR_LOG_LEVEL_ERROR) {
+    state->errors_count++;
+
+    if(state->error)
+      g_free(state->error);
+
+    state->error = g_strdup(message->text);
+  
+    grapper_view_add_error_message(state, state->error, message->locator, 1);
+  } else {
+    state->warnings_count++;
+    
+    if(state->ignore_warnings)
+      return;
+    
+    if(state->error)
+      g_free(state->error);
+
+    state->error = g_strdup(message->text);
+    
+    grapper_view_add_error_message(state, state->error, message->locator, 0);
+  }
+}
+
+
+static void
+grapper_model_statements_handler(void *data, raptor_statement *statement)
+{
+  grapper_state* state = (grapper_state*)data;
+  unsigned char* nodes[3];
+  
+  nodes[0] = raptor_term_to_string(statement->subject);
+  nodes[1] = raptor_term_to_string(statement->predicate);
+  nodes[2] = raptor_term_to_string(statement->object);
+  
+  grapper_model_add_triple(state, nodes);
+  free(nodes[0]);
+  free(nodes[1]);
+  free(nodes[2]);
+}
+
+
+static void
+grapper_model_parse(grapper_state *state) 
+{
+  raptor_uri* uri;
+  raptor_parser* rdf_parser;
+  const char *syntax_name;
+  int i;
+  const raptor_syntax_description* sd;
+  
+  if(!state->url)
+    return;
+
+  grapper_model_empty_triples(state);
+
+  grapper_model_reset_counts(state);
+  grapper_model_reset_error(state);
+
+  uri = raptor_new_uri(state->world, state->url);
+  sd = raptor_world_get_parser_description(state->world, state->syntax);
+  syntax_name = sd->names[0];
+  
+
+  if(state->guess) {
+    rdf_parser = raptor_new_parser_for_content(state->world, NULL, NULL, NULL,
+                                               0, state->url);
+    if(!rdf_parser) {
+      fprintf(stderr, "Failed to create guessed raptor parser from uri %s\n",
+              state->url);
+      exit(1);
+    }
+
+    fprintf(stdout, "Guessed parser name '%s' from uri %s\n",
+            raptor_parser_get_name(rdf_parser), state->url);
+  } else {
+    rdf_parser = raptor_new_parser(state->world, syntax_name);
+  }
+  
+
+  for(i = 0; i <= RAPTOR_OPTION_LAST; i++) {
+    if(state->options_set[i])
+      raptor_parser_set_option(rdf_parser, (raptor_option)i, NULL, state->options[i]);
+  }
+
+  raptor_world_set_log_handler(state->world, state, grapper_model_log_handler);
+  raptor_parser_set_statement_handler(rdf_parser, state,
+                                      grapper_model_statements_handler);
+
+  raptor_parser_parse_uri(rdf_parser, uri, NULL);
+
+  raptor_free_parser(rdf_parser);
+  raptor_free_uri(uri);
+}
+
+
+
+/* go button clicked / url entry activated callback */
+static void
+url_entry_callback(GtkWidget *widget, gpointer data)
+{
+  grapper_state* state = (grapper_state*)data;
+  GtkWidget *url_entry = state->url_entry;
+  const unsigned char* url;
+
+  url = (const unsigned char*)gtk_entry_get_text(GTK_ENTRY(url_entry));
+  grapper_model_set_url(state, url);
+  grapper_model_parse(state);
+}
+
+
+/* open action wanted */
+static void
+do_open_action(grapper_state* state)
+{
+  unsigned char *uri_string;
+  GtkWidget *files = gtk_file_chooser_dialog_new("Open",
+                                                 GTK_WINDOW(state->window),
+                                                 GTK_FILE_CHOOSER_ACTION_OPEN,
+                                                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+                                                 NULL);
+
+  if(state->filename)
+    gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(files), state->filename);
+
+  if (gtk_dialog_run(GTK_DIALOG (files)) == GTK_RESPONSE_ACCEPT) {
+    state->filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(files));
+    uri_string = (unsigned char*)gtk_file_chooser_get_uri(GTK_FILE_CHOOSER(files));
+    grapper_model_set_url(state, uri_string);
+    g_free(uri_string);
+
+    grapper_model_parse(state);
+  }
+  gtk_widget_destroy(files);
+}
+
+
+/* quit callback */
+static void
+do_quit_action(grapper_state* state)
+{
+  gtk_main_quit();
+}
+
+
+/* preferences option menu item toggled callback */
+static void
+option_menu_toggled(GtkCheckMenuItem *checkmenuitem, gpointer data)
+{
+  grapper_widget_data* sbdata = (grapper_widget_data*)data;
+  int active = gtk_check_menu_item_get_active(checkmenuitem);
+
+  grapper_model_set_option(sbdata->state, sbdata->option, active);
+}
+
+
+#ifdef GRAPPER_QNAMES
+/* qnames button clicked callback */
+static void
+qnames_button_callback(GtkWidget *widget, gpointer data)
+{
+  grapper_state* state = (grapper_state*)data;
+  int active = (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget)) != 0);
+  
+  grapper_model_set_qnames(state, active);
+}
+#endif
+
+
+/* guess button clicked callback */
+static void
+guess_button_callback(GtkWidget *widget, gpointer data)
+{
+  grapper_state* state = (grapper_state*)data;
+  int active = (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget)) != 0);
+  
+  grapper_model_set_guess(state, active);
+}
+
+
+/* syntax menu changed callback */
+static void
+syntax_menu_callback(GtkWidget *widget, gpointer data)
+{
+  grapper_state* state = (grapper_state*)data;
+  unsigned int syntax;
+
+  syntax = (unsigned int)gtk_combo_box_get_active(GTK_COMBO_BOX(widget));
+  
+  grapper_model_set_syntax(state, syntax);
+}
+
+
+/* delete (window) event callback */
+static gboolean
+delete_event_callback(GtkWidget *widget, GdkEvent  *event, gpointer data)
+{
+  return FALSE; /* continue normal event handing */
+}
+
+
+/* destroy callback */
+static void
+destroy_callback(GtkWidget *widget, gpointer data)
+{
+  gtk_main_quit ();
+}
+
+
+#ifdef ITEM_FACTORY
+static void
+open_menu_callback(gpointer user_data, guint action, GtkWidget *widget) 
+{
+  do_open_action((grapper_state*)user_data);
+}
+#else
+static void
+on_open_menu_callback(GtkAction *action, gpointer user_data)
+{
+  do_open_action((grapper_state*)user_data);
+}
+#endif
+
+
+#ifdef ITEM_FACTORY
+static void
+quit_menu_callback(gpointer user_data, guint action, GtkWidget *widget)
+{
+  do_quit_action((grapper_state*)user_data);
+}
+#else
+static void
+on_quit_menu_callback(GtkAction *action, gpointer user_data)
+{
+  do_quit_action((grapper_state*)user_data);
+}
+#endif
+
+
+static void
+do_about_action(grapper_state* state) {
+  const gchar* authors[2]= { "Dave Beckett http://www.dajobe.org/", NULL };
+
+#if 1
+  /* using 2.5.x+ stock about dialog */
+  gtk_show_about_dialog(GTK_WINDOW(state->window),
+                        "authors",   authors,
+                        "comments",  application_description,
+                        "copyright", raptor_short_copyright_string,
+                        "license",   raptor_license_string,
+                        "name",      application_name,
+                        "version",   raptor_version_string,
+                        "website",   raptor_home_url_string,
+                        "website-label", "Raptor",
+                        NULL);
+#else
+  /* using 2.5.x+ by hand about */
+  GtkWidget *about;
+
+  about = gtk_about_dialog_new();
+  gtk_about_dialog_set_name(GTK_ABOUT_DIALOG(about), application_name);
+  gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(about), raptor_version_string);
+  gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(about),
+                                 raptor_short_copyright_string);
+  gtk_about_dialog_set_comments(GTK_ABOUT_DIALOG(about),
+                                application_description);
+  gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(about), raptor_license_string);
+  gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(about), raptor_home_url_string);
+  gtk_about_dialog_set_website_label(GTK_ABOUT_DIALOG(about), "Raptor");
+  gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(about), authors);
+
+  gtk_widget_show_all(about);
+#endif
+}
+
+
+#ifdef ITEM_FACTORY
+static void
+about_menu_callback(gpointer user_data, guint action, GtkWidget *widget)
+{
+  do_about_action((grapper_state*)user_data);
+}
+#else
+static void
+on_about_menu_callback(GtkAction* action, gpointer user_data)
+{
+  do_about_action((grapper_state*)user_data);
+}
+#endif
+
+
+#ifdef ITEM_FACTORY
+static GtkItemFactoryEntry menu_item_factory_entries[] = {
+  /* path,     accelerator,  callback, callback_action, item_type, extra_data */
+  { (gchar*)"/_File",         NULL,      NULL,         0, (gchar*)"<Branch>" },
+  { (gchar*)"/File/_Open...", (gchar*)"<CTRL>O", (GtkItemFactoryCallback)open_menu_callback, 1, (gchar*)"<StockItem>", GTK_STOCK_OPEN },
+  { (gchar*)"/File/sep1",     NULL,      NULL,         0, (gchar*)"<Separator>" },
+  { (gchar*)"/File/_Quit",    (gchar*)"<CTRL>Q", (GtkItemFactoryCallback)quit_menu_callback, 1, (gchar*)"<StockItem>", GTK_STOCK_QUIT },
+  { (gchar*)"/_Preferences",  NULL,      NULL,         0, (gchar*)"<Branch>" },
+  { (gchar*)"/_Help",         NULL,      NULL,         0, (gchar*)"<LastBranch>" },
+  { (gchar*)"/Help/About",    NULL,     (GtkItemFactoryCallback)about_menu_callback, 1, (gchar*)"<Item>" } 
+};
+
+static gint menu_item_factory_nentries = sizeof(menu_item_factory_entries) / sizeof(menu_item_factory_entries[0]);
+#else
+static GtkActionEntry menu_actions[] = {
+  /* name, stock id, label */
+  { "FileMenuAction", NULL, "_File" },
+  { "PreferencesMenuAction", NULL, "_Preferences" },
+  { "HelpMenuAction", NULL, "_Help" },
+
+  /* name, stock id, label, accelerator, tooltip, callback */
+  { "OpenAction", GTK_STOCK_OPEN, "_Open", (gchar*)"<control>O",  "Open a file", G_CALLBACK ( on_open_menu_callback ) },
+  { "QuitAction", GTK_STOCK_QUIT, "_Quit", (gchar*)"<control>Q",  "Quit", G_CALLBACK ( on_quit_menu_callback ) },
+
+  { "AboutAction", GTK_STOCK_ABOUT, NULL, NULL, "About", G_CALLBACK ( on_about_menu_callback ) } 
+};
+
+static gint menu_actions_nentries = G_N_ELEMENTS (menu_actions);
+#endif
+
+
+static void
+init_grapper_window(GtkWidget *window, grapper_state *state) 
+{
+
+  GtkAccelGroup *accel_group;
+  GtkWidget *menu_bar;
+  GtkMenu *prefs_menu;
+  GtkWidget *v_paned;
+  GtkWidget *v_box;
+  GtkWidget *box;
+  GtkWidget *go_button;
+  GtkWidget* option_items[RAPTOR_OPTION_LAST];
+#ifdef GRAPPER_QNAMES
+  GtkWidget *qnames_button;
+#endif
+  GtkWidget *guess_button;
+  GtkWidget *syntax_combo_box;
+  GtkWidget *url_entry;
+  GtkWidget *triples_frame, *prefs_frame;
+  GtkWidget *triples_scrolled_window;
+  GtkWidget *triples_treeview;
+  GtkCellRenderer *renderer;
+  GtkTreeViewColumn *column;
+#ifdef GRAPPER_QNAMES
+  GtkTooltips *qnames_tooltips;
+#endif
+#ifdef TOOL_TIPS
+  GtkTooltips *guess_tooltips;
+  GtkTooltips *syntax_tooltips;
+#else
+#endif  
+  GtkWidget *prefs_box;
+  GtkListStore *store;
+  int i;
+  GtkWidget *errors_frame, *errors_scrolled_window;
+  GtkWidget *errors_treeview;
+  GtkListStore *errors_store;
+#ifdef SYNTAX_LIST_STORE
+  GtkListStore *syntax_list_store;
+  GtkTreeIter iter;
+  GtkCellRenderer* cell;
+#endif
+#ifdef ITEM_FACTORY
+  GtkItemFactory* menu_item_factory;
+#else
+  GtkActionGroup *action_group;
+  GtkUIManager *menu_manager;
+  GError *error;
+#endif
+
+
+  state->window=window;
+  
+  /* connect window delete event to callback */
+  g_signal_connect (G_OBJECT (window), "delete_event",
+                    G_CALLBACK (delete_event_callback), NULL);
+
+  /* connect window destroy event to callback */
+  g_signal_connect (G_OBJECT (window), "destroy",
+                    G_CALLBACK (destroy_callback), NULL);
+
+
+
+  /* vertical box */
+  v_box = gtk_vbox_new (FALSE, 0);
+
+  /* gtk_container_set_border_width (GTK_CONTAINER (v_box), 10); */
+
+  state->v_box = v_box;
+  
+
+  /* acceleration group for menu bar*/
+  accel_group = gtk_accel_group_new();
+
+
+  /* Menu bar */
+#ifdef ITEM_FACTORY
+  menu_item_factory = gtk_item_factory_new(GTK_TYPE_MENU_BAR,
+                                           "<Main>", accel_group);
+  gtk_item_factory_create_items(menu_item_factory,
+                                menu_item_factory_nentries,
+                                menu_item_factory_entries,
+                                state);
+  gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);
+  
+  menu_bar = gtk_item_factory_get_widget (menu_item_factory, "<Main>");
+  gtk_widget_show(menu_bar);
+#else
+  action_group = gtk_action_group_new("Actions");
+  gtk_action_group_add_actions (action_group,
+                                menu_actions, menu_actions_nentries,
+                                state);
+  menu_manager = gtk_ui_manager_new ();
+  gtk_ui_manager_insert_action_group (menu_manager, action_group, 0);
+  error = NULL;
+  gtk_ui_manager_add_ui_from_file(menu_manager, "grapper-ui.xml", &error);
+  if (error) {
+    g_message ("Building menus failed: %s", error->message);
+    g_error_free (error);
+  }
+
+  /* get the menu bar widget */
+  menu_bar = gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
+#endif
+  
+
+  gtk_box_pack_start (GTK_BOX (v_box), menu_bar, FALSE, FALSE, 0);
+
+
+#ifdef ITEM_FACTORY
+#else
+  /* enable keyboard shortcuts */
+  gtk_window_add_accel_group (GTK_WINDOW(window),
+                              gtk_ui_manager_get_accel_group (menu_manager));
+#endif
+
+  /* horizontal box for url entry, OK, Open buttons in vertical box (v_box) */
+  box = gtk_hbox_new (FALSE, 0);
+
+
+  /* url text entry in horizontal box */
+  url_entry = gtk_entry_new();
+  gtk_entry_set_max_length(GTK_ENTRY(url_entry), 200);
+  /* connect text entry activate (enter key) callback */
+  g_signal_connect (G_OBJECT(url_entry), "activate",
+                    G_CALLBACK(url_entry_callback), state);
+  gtk_editable_set_editable(GTK_EDITABLE(url_entry), TRUE);
+
+  /* pack into the invisible box */
+  gtk_box_pack_start(GTK_BOX(box), url_entry, TRUE, TRUE, 0);
+
+  gtk_widget_show(url_entry);
+  state->url_entry = url_entry;
+
+  /* go button in horizontal box */
+  go_button = gtk_button_new_from_stock(GTK_STOCK_OK);
+
+  /* connect button clicked event to callback */
+  g_signal_connect (G_OBJECT (go_button), "clicked",
+                    G_CALLBACK (url_entry_callback), state);
+
+  /* pack into the invisible box */
+  gtk_box_pack_start (GTK_BOX(box), go_button, FALSE, TRUE, 0);
+
+  gtk_widget_show (go_button);
+
+
+  gtk_widget_show (box);
+
+
+  /* add hbox to vbox */
+  gtk_box_pack_start (GTK_BOX (v_box), box, FALSE, FALSE, 0);
+
+
+  /* horizontal box for syntax prefs in vertical box (v_box) */
+  prefs_frame = gtk_frame_new ("RDF Syntax");
+
+  prefs_box = gtk_hbutton_box_new();
+
+  gtk_button_box_set_layout (GTK_BUTTON_BOX(prefs_box), GTK_BUTTONBOX_START);
+
+#ifdef GRAPPER_QNAMES
+  /* qnames button in horizontal box */
+  qnames_button = gtk_check_button_new_with_label ("QNames");
+
+  qnames_tooltips = gtk_tooltips_new ();
+  gtk_tooltips_set_tip (qnames_tooltips, qnames_button,
+                        "Display URIs as XML QNames", NULL);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(qnames_button),
+                                (state->qnames));
+
+  /* connect button clicked event to callback */
+  g_signal_connect (G_OBJECT (qnames_button), "clicked",
+                    G_CALLBACK (qnames_button_callback), state);
+
+  /* pack into the invisible box */
+  gtk_box_pack_start (GTK_BOX(prefs_box), qnames_button, TRUE, TRUE, 0);
+
+  gtk_widget_show (qnames_button);
+#endif  
+
+  /* guess button in horizontal box */
+  guess_button = gtk_check_button_new_with_label ("Guess Syntax");
+
+#ifdef TOOL_TIPS
+  guess_tooltips = gtk_tooltips_new ();
+  gtk_tooltips_set_tip (guess_tooltips, guess_button,
+                        "Try to guess the syntax from the URI", NULL);
+#else
+  gtk_widget_set_tooltip_text (GTK_WIDGET(guess_button),
+                               "Try to guess the syntax from the URI");
+#endif
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(guess_button),
+                                (state->guess));
+
+  /* connect button clicked event to callback */
+  g_signal_connect (G_OBJECT (guess_button), "clicked",
+                    G_CALLBACK (guess_button_callback), state);
+
+  /* pack into the invisible box */
+  gtk_box_pack_start (GTK_BOX(prefs_box), guess_button, TRUE, TRUE, 0);
+
+  gtk_widget_show (guess_button);
+
+  /* add prefs frame to vbox */
+  gtk_container_add (GTK_CONTAINER(prefs_frame), prefs_box);
+
+  gtk_widget_show (prefs_box);
+
+  /* add prefs frame to start of vbox */
+  gtk_box_pack_start (GTK_BOX (v_box), prefs_frame, FALSE, TRUE, 0);
+
+  gtk_widget_show (prefs_frame);
+
+
+
+  /* paned in vertical box */
+  v_paned = gtk_vpaned_new ();
+
+
+  /* triples frame in vertical paned */
+  triples_frame = gtk_frame_new("Triples");
+  state->triples_frame = triples_frame;
+  
+  gtk_paned_pack1 (GTK_PANED (v_paned), triples_frame, TRUE, FALSE);
+  gtk_widget_show (triples_frame);
+
+
+  /* scroll window in triples frame */
+  triples_scrolled_window = gtk_scrolled_window_new(NULL, NULL);
+
+  gtk_container_set_border_width (GTK_CONTAINER(triples_scrolled_window), 10);
+    
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(triples_scrolled_window),
+                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+
+  gtk_container_add (GTK_CONTAINER(triples_frame), triples_scrolled_window);
+  gtk_widget_show (triples_scrolled_window);
+
+  store = gtk_list_store_new (N_COLUMNS,
+                              G_TYPE_STRING,
+                              G_TYPE_STRING,
+                              G_TYPE_STRING);
+  state->triples_store = store;
+
+  triples_treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(store));
+  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(triples_treeview), TRUE);
+  
+  /* set columns renderer for treeview */
+  renderer = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new_with_attributes ("Subject",
+                                                     renderer,
+                                                     "text", SUBJECT_COLUMN,
+                                                     NULL);
+  gtk_tree_view_column_set_sort_column_id (column, SUBJECT_COLUMN);
+  gtk_tree_view_column_set_resizable (column, 1);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (triples_treeview), column);
+
+  renderer= gtk_cell_renderer_text_new ();
+  column= gtk_tree_view_column_new_with_attributes ("Predicate",
+                                                    renderer,
+                                                    "text", PREDICATE_COLUMN,
+                                                    NULL);
+  gtk_tree_view_column_set_sort_column_id (column, PREDICATE_COLUMN);
+  gtk_tree_view_column_set_resizable (column, 1);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (triples_treeview), column);
+
+  renderer = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new_with_attributes ("Object",
+                                                     renderer,
+                                                     "text", OBJECT_COLUMN,
+                                                     NULL);
+  gtk_tree_view_column_set_sort_column_id (column, OBJECT_COLUMN);
+  gtk_tree_view_column_set_resizable (column, 1);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (triples_treeview), column);
+
+
+  /* pack the store into the scrolled window */
+  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW(triples_scrolled_window),
+                                         triples_treeview);
+  gtk_widget_show(triples_treeview);
+
+
+  /* errors frame in vertical paned */
+  errors_frame = gtk_frame_new ("Errors");
+  state->errors_frame = errors_frame;
+
+  gtk_paned_pack2 (GTK_PANED (v_paned), errors_frame, TRUE, FALSE);
+  gtk_widget_show (errors_frame);
+
+
+  gtk_box_pack_start (GTK_BOX (v_box), v_paned, TRUE, TRUE, 0);
+  gtk_widget_show (v_paned);
+
+
+  /* scroll window in errors frame */
+  errors_scrolled_window = gtk_scrolled_window_new(NULL, NULL);
+
+  gtk_container_set_border_width (GTK_CONTAINER(errors_scrolled_window), 10);
+    
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(errors_scrolled_window),
+                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+
+  gtk_container_add (GTK_CONTAINER(errors_frame), errors_scrolled_window);
+  gtk_widget_show (errors_scrolled_window);
+
+  errors_store = gtk_list_store_new (3,
+                                     G_TYPE_INT, G_TYPE_STRING, G_TYPE_STRING);
+  state->errors_store = errors_store;
+  
+  errors_treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL(errors_store));
+  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(errors_treeview), TRUE);
+  
+  renderer = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new_with_attributes ("Line",
+                                                     renderer,
+                                                     "text", 0,
+                                                     NULL);
+  gtk_tree_view_column_set_resizable (column, 1);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (errors_treeview), column);
+
+  renderer = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new_with_attributes ("Type",
+                                                     renderer,
+                                                     "text", 1,
+                                                     NULL);
+  gtk_tree_view_column_set_resizable (column, 1);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (errors_treeview), column);
+
+  renderer = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new_with_attributes ("Message",
+                                                     renderer,
+                                                     "text", 2,
+                                                     NULL);
+  gtk_tree_view_column_set_resizable (column, 1);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (errors_treeview), column);
+
+#ifdef TOOL_TIPS
+  gtk_tooltips_set_tip (gtk_tooltips_new (), errors_treeview,
+                        "Errors and warnings from parsing the content.", NULL);
+#else
+  gtk_widget_set_tooltip_text (GTK_WIDGET(errors_treeview),
+                               "Errors and warnings from parsing the content.");
+#endif
+
+  /* pack the errors store into the errors scrolled window */
+  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW(errors_scrolled_window),
+                                         errors_treeview);
+  gtk_widget_show (errors_treeview);
+
+
+
+
+#ifdef ITEM_FACTORY
+  prefs_menu = GTK_MENU(gtk_item_factory_get_widget (menu_item_factory,
+                                                     "/Preferences"));
+#else
+  prefs_menu = GTK_MENU(gtk_ui_manager_get_widget (menu_manager,
+                                                   "/MainMenu/PreferencesMenu"));
+#endif
+
+  /* options in the preferences menu */
+  for(i = 0; i <= RAPTOR_OPTION_LAST; i++) {
+    grapper_widget_data* sbdata;
+    raptor_option_description* od;
+
+    od = raptor_world_get_option_description(state->world,
+                                             RAPTOR_DOMAIN_PARSER,
+                                             (raptor_option)i);
+    if(!od)
+      break;
+
+    sbdata = (grapper_widget_data*)malloc(sizeof(grapper_widget_data));
+    sbdata->state = state;
+    sbdata->option = i;
+
+    /* add to the preferences menu */
+    option_items[i] = gtk_check_menu_item_new_with_label (od->label);
+    gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM(option_items[i]),
+                                    state->options[i]);
+    gtk_menu_shell_append (GTK_MENU_SHELL(prefs_menu), option_items[i]);
+
+    g_signal_connect (G_OBJECT(option_items[i]), "toggled",
+                      G_CALLBACK(option_menu_toggled), (gpointer)sbdata);
+    gtk_widget_show (option_items[i]);
+  }
+
+
+  /* syntax button in horizontal box */
+#ifdef SYNTAX_LIST_STORE
+  /* Create combo box with data model behind */
+
+  syntax_list_store = gtk_list_store_new (/* N columns */ 1, G_TYPE_STRING);
+  for(i = 0; 1; i++) {
+    const raptor_syntax_description* sd;
+
+    sd = raptor_world_get_parser_description(state->world, i);
+    if(!sd)
+      break;
+
+    gtk_list_store_append (syntax_list_store, &iter);
+    gtk_list_store_set (syntax_list_store, &iter,
+                        /* column */ 0, (const gchar*)sd->label,
+                        -1);
+  }
+
+  syntax_combo_box = gtk_combo_box_new_with_model(GTK_TREE_MODEL(syntax_list_store));
+
+  /* Remove our reference to the store to avoid memory leak */
+  g_object_unref ( G_OBJECT (syntax_list_store ) );
+  
+  /* Create text cell renderer */
+  cell = gtk_cell_renderer_text_new ();
+
+  /* Pack it to the combo box */
+  gtk_cell_layout_pack_start (GTK_CELL_LAYOUT ( syntax_combo_box ), cell, TRUE);
+
+  /* Connect renderer to data source: attr "text" is column 0 in data model */
+  gtk_cell_layout_set_attributes ( GTK_CELL_LAYOUT ( syntax_combo_box ),
+                                   cell,
+                                   /* attribute */ "text", /* column */ 0,
+                                   NULL);
+
+#else
+  /* Create combo box using text API */
+  syntax_combo_box = gtk_combo_box_new_text ();
+
+  for(i = 0; 1; i++) {
+    const raptor_syntax_description* sd;
+
+    sd = raptor_world_get_parser_description(state->world, i);
+    if(!sd)
+      break;
+
+    gtk_combo_box_append_text (GTK_COMBO_BOX (syntax_combo_box),
+                               (const gchar*)sd->label);
+  }
+#endif
+
+  g_signal_connect (GTK_OBJECT(syntax_combo_box), "changed",
+                    G_CALLBACK(syntax_menu_callback), state);
+
+  /* Default is item 0 (should be RDF/XML) */
+  gtk_combo_box_set_active (GTK_COMBO_BOX(syntax_combo_box), 0);
+
+#ifdef TOOL_TIPS
+  syntax_tooltips = gtk_tooltips_new ();
+  gtk_tooltips_set_tip (syntax_tooltips, syntax_combo_box,
+                        "Choose the Syntax to parse", NULL);
+#else
+  gtk_widget_set_tooltip_text (GTK_WIDGET(syntax_combo_box),
+                              "Choose the Syntax to parse");
+#endif
+
+  /* pack into the invisible box */
+  gtk_box_pack_start (GTK_BOX(prefs_box), syntax_combo_box, TRUE, TRUE, 0);
+
+  gtk_widget_show (syntax_combo_box);
+
+
+  /* add vbox to window */
+  gtk_container_add (GTK_CONTAINER (window), v_box);
+  gtk_widget_show (v_box);
+
+
+}
+
+
+
+static void
+grapper_gconfclient_notify(GConfClient* client, guint cnxn_id,
+                           GConfEntry *entry, gpointer user_data)
+{
+  /* grapper_state* state = (grapper_state*)user_data; */
+  GError* err = NULL;
+  int width, height;
+
+  gtk_window_get_size (GTK_WINDOW(grapper_window), &width, &height);
+
+
+  width = gconf_client_get_int (gconf_client, width_gconf_key, &err);
+  if(err) {
+    g_error_free (err);
+    err = NULL;
+    width = -1;
+  } else
+    fprintf(stderr, "gconf width changed to %d\n", width);
+  
+  height = gconf_client_get_int (gconf_client, height_gconf_key, &err);
+  if(err) {
+    g_error_free (err);
+    err = NULL;
+    height = -1;
+  } else
+    fprintf(stderr, "gconf height changed to %d\n", width);
+
+  /* let's not make it too small */
+  if(width < MIN_WINDOW_WIDTH)
+    width = MIN_WINDOW_WIDTH;
+  if(height < MIN_WINDOW_HEIGHT)
+    height = MIN_WINDOW_HEIGHT;
+
+  gtk_window_resize (GTK_WINDOW(grapper_window), width, height);
+}
+
+
+static void
+grapper_gconflient_free(gpointer user_data)
+{
+
+}
+
+
+static gint
+configure_callback(GtkWidget *widget, GdkEvent *event, gpointer data)
+{
+  gint width, height;
+  GError* err = NULL;
+
+  gtk_window_get_size (GTK_WINDOW(grapper_window), &width, &height);
+
+  if(!gconf_client_set_int (gconf_client, width_gconf_key, width, &err)) {
+    fprintf(stderr, "gconf error writing width: %s\n", err->message);
+    g_error_free (err);
+    err = NULL;
+  }
+
+  if(!gconf_client_set_int (gconf_client, height_gconf_key, height, &err)) {
+    fprintf(stderr, "gconf error writing width: %s\n", err->message);
+    g_error_free (err);
+    err = NULL;
+  }
+
+  return FALSE;
+}
+ 
+
+
+int
+main(int argc, char *argv[])
+{
+  grapper_state state;
+  GError* err = NULL;
+  guint cnxn;
+  int width, height;
+  
+  gtk_init (&argc, &argv);
+
+  g_set_application_name (application_name);
+  
+  memset(&state, 0, sizeof(grapper_state));
+
+  state.world = raptor_new_world();
+  
+  gconf_client = gconf_client_get_default();
+
+  cnxn = gconf_client_notify_add (gconf_client, gconf_namespace,
+                                  grapper_gconfclient_notify,
+                                  (gpointer)&state, /* user data */
+                                  grapper_gconflient_free,
+                                  &err);
+
+  /* create the main window */
+  grapper_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+
+  gtk_window_set_title (GTK_WINDOW(grapper_window), application_title);
+
+  init_grapper_window(grapper_window, &state);
+
+  width = gconf_client_get_int (gconf_client, width_gconf_key, &err);
+  if(err) {
+    fprintf(stderr, "gconf error reading width: %s\n", err->message);
+    g_error_free (err);
+    err = NULL;
+    width= -1;
+  }
+
+  height = gconf_client_get_int (gconf_client, height_gconf_key, &err);
+  if(err) {
+    fprintf(stderr, "gconf error reading height: %s\n", err->message);
+    g_error_free (err);
+    err = NULL;
+    height= -1;
+  }
+
+  /* let's not make it too small */
+  if(width < MIN_WINDOW_WIDTH)
+    width = MIN_WINDOW_WIDTH;
+  if(height < MIN_WINDOW_HEIGHT)
+    height = MIN_WINDOW_HEIGHT;
+  
+  gtk_window_set_default_size (GTK_WINDOW(grapper_window), width, height);
+
+  /* Connect the window resize event to configure_callback */
+  g_signal_connect (G_OBJECT (grapper_window), "configure_event",
+                    G_CALLBACK (configure_callback), &state);
+
+  /* finally make it all visible */
+  gtk_widget_show (grapper_window);
+
+  if(argc>1) {
+    if(!access(argv[1], R_OK)) {
+      /* it's a file - make a URL out of it */
+      unsigned char *uri_string = raptor_uri_filename_to_uri_string(argv[1]);
+      grapper_model_set_url(&state, uri_string);
+      free(uri_string);
+    } else
+      grapper_model_set_url(&state, (unsigned char*)argv[1]);
+
+    grapper_model_parse(&state);
+  }
+
+  /* main loop, exited when gtk_main_quit() is called */
+  gtk_main ();
+
+  raptor_free_world(state.world);
+
+  gconf_client_notify_remove (gconf_client, cnxn);
+  
+  return 0;
+}
+
diff --git a/examples/raptor_abort.c b/examples/raptor_abort.c
new file mode 100644
index 0000000..d71fe9e
--- /dev/null
+++ b/examples/raptor_abort.c
@@ -0,0 +1,128 @@
+/* -*- Mode: c; c-basic-offset: 2 -*-
+ *
+ * raptor_abort.c - Raptor abort example code
+ *
+ * Copyright (C) 2003-2006, David Beckett http://purl.org/net/dajobe/
+ * Copyright (C) 2003-2004, 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.
+ * 
+ * 
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <raptor_config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+/* for the memory allocation functions */
+#if defined(HAVE_DMALLOC_H) && defined(RAPTOR_MEMORY_DEBUG_DMALLOC)
+#include <dmalloc.h>
+#endif
+
+/* Raptor includes */
+#include <raptor2.h>
+
+
+static void handle_statements(void *user_data, raptor_statement *statement);
+int main(int argc, char *argv[]);
+
+
+typedef struct 
+{
+  raptor_parser *parser;
+  FILE *stream;
+  int count;
+  int max;
+  int stopped;
+} my_data;
+
+
+static void
+handle_statements(void *user_data, raptor_statement *statement) 
+{
+  my_data* me=(my_data*)user_data;
+  
+  me->count++;
+  if(me->count > me->max) {
+    fprintf(me->stream, "Reached %d statements, stopping\n", me->max);
+    raptor_parser_parse_abort(me->parser);
+    me->stopped=1;
+    return;
+  }
+
+  fprintf(me->stream, "Saw statement %d\n", me->count);
+}
+
+
+int
+main (int argc, char *argv[]) 
+{
+  raptor_world* world;
+  raptor_parser* rdf_parser;
+  raptor_uri* uri;
+  my_data* me;
+  const char *program;
+  int rc;
+  
+  program=argv[0];
+
+  if(argc != 2) {
+    fprintf(stderr, "%s: USAGE [RDF-XML content URI]\n", program);
+    exit(1);
+  }
+
+  world = raptor_new_world();
+
+  me=(my_data*)malloc(sizeof(my_data));
+  if(!me) {
+    fprintf(stderr, "%s: Out of memory\n", program);
+    exit(1);
+  }
+
+  me->stream=stderr;
+  me->count = 0;
+  me->max=5;
+
+  uri = raptor_new_uri(world, (const unsigned char*)argv[1]);
+  rdf_parser = raptor_new_parser(world, "rdfxml");
+
+  me->parser = rdf_parser;
+
+  raptor_parser_set_statement_handler(rdf_parser, me, handle_statements);
+
+  me->stopped = 0;
+  rc = raptor_parser_parse_uri(rdf_parser, uri, NULL);
+
+  fprintf(stderr, "%s: Parser returned status %d, stopped? %s\n", program, rc,
+          (me->stopped ? "yes" : "no"));
+
+  free(me);
+  
+  raptor_free_parser(rdf_parser);
+
+  raptor_free_uri(uri);
+
+  raptor_free_world(world);
+
+  return 0;
+}
diff --git a/examples/rdfcat.c b/examples/rdfcat.c
new file mode 100644
index 0000000..978a641
--- /dev/null
+++ b/examples/rdfcat.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <raptor2.h>
+
+/* rdfcat.c: parse any RDF syntax and serialize to RDF/XML-Abbrev */
+
+static raptor_serializer* rdf_serializer;
+
+static void
+serialize_triple(void* user_data, raptor_statement* triple) 
+{
+  raptor_serializer_serialize_statement(rdf_serializer, triple);
+}
+
+static void
+declare_namespace(void* user_data, raptor_namespace *nspace)
+{
+  raptor_serializer_set_namespace_from_namespace(rdf_serializer, nspace);
+}
+
+int
+main(int argc, char *argv[])
+{
+  raptor_world *world = NULL;
+  raptor_parser* rdf_parser = NULL;
+  unsigned char *uri_string;
+  raptor_uri *uri, *base_uri;
+
+  world = raptor_new_world();
+
+  uri_string = raptor_uri_filename_to_uri_string(argv[1]);
+  uri = raptor_new_uri(world, uri_string);
+  base_uri = raptor_uri_copy(uri);
+
+  /* Ask raptor to work out which parser to use */
+  rdf_parser = raptor_new_parser(world, "guess");
+  raptor_parser_set_statement_handler(rdf_parser, NULL, serialize_triple);
+  raptor_parser_set_namespace_handler(rdf_parser, NULL, declare_namespace);
+
+  rdf_serializer = raptor_new_serializer(world, "rdfxml-abbrev");
+
+  raptor_serializer_start_to_file_handle(rdf_serializer, base_uri, stdout);
+  raptor_parser_parse_file(rdf_parser, uri, base_uri);
+  raptor_serializer_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_free_world(world);
+
+  return 0;
+}
diff --git a/examples/rdfcount.c b/examples/rdfcount.c
new file mode 100644
index 0000000..9c899b1
--- /dev/null
+++ b/examples/rdfcount.c
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <raptor2.h>
+
+/* rdfcount.c: parse any number of RDF/XML files and count the triples */
+
+static void
+count_triples(void* user_data, raptor_statement* triple)
+{
+  unsigned int* count_p = (unsigned int*)user_data;
+  (*count_p)++;
+}
+
+int
+main(int argc, char *argv[])
+{
+  raptor_world *world = NULL;
+  const char* program = "rdfcount";
+  raptor_parser* rdf_parser = NULL;
+  unsigned int i;
+  unsigned int count;
+  unsigned int files_count = 0;
+  unsigned int total_count = 0;
+
+  world = raptor_new_world();
+
+  /* just one parser is used and reused here */
+  rdf_parser = raptor_new_parser(world, "rdfxml");
+
+  raptor_parser_set_statement_handler(rdf_parser, &count, count_triples);
+
+  for(i = 1; argv[i]; i++) {
+    const char* filename = argv[i];
+    unsigned char *uri_string;
+    raptor_uri *uri, *base_uri;
+
+    uri_string = raptor_uri_filename_to_uri_string(filename);
+    uri = raptor_new_uri(world, uri_string);
+    base_uri = raptor_uri_copy(uri);
+
+    count = 0;
+    if(!raptor_parser_parse_file(rdf_parser, uri, base_uri)) {
+      fprintf(stderr, "%s: %s : %d triples\n", program, filename, count);
+      total_count += count;
+      files_count++;
+    } else {
+      fprintf(stderr, "%s: %s : failed to parse\n", program, filename);
+    }
+
+    raptor_free_uri(base_uri);
+    raptor_free_uri(uri);
+    raptor_free_memory(uri_string);
+  }
+
+  raptor_free_parser(rdf_parser);
+
+  raptor_free_world(world);
+
+  fprintf(stderr, "%s: Total count: %d files  %d triples\n",
+          program, files_count, total_count);
+
+  return 0;
+}
diff --git a/examples/rdfguess.c b/examples/rdfguess.c
new file mode 100644
index 0000000..b636c0b
--- /dev/null
+++ b/examples/rdfguess.c
@@ -0,0 +1,102 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <raptor2.h>
+
+
+/* rdfguess.c: guess parser name from filename and its content */
+
+#define READ_BUFFER_SIZE 256
+
+static int
+rdfguess_guess_name(raptor_world* world, const char* filename)
+{
+  char *buffer[READ_BUFFER_SIZE];
+  raptor_iostream* iostr = NULL;
+  const char* name;
+  const unsigned char* identifier;
+  const char* label;
+  size_t read_len;
+  size_t count;
+  
+  if(!strcmp(filename, "-")) {
+    iostr = raptor_new_iostream_from_file_handle(world, stdin);
+    identifier = NULL;
+    label = "<stdin>";
+  } else {
+    if(access(filename, R_OK)) {
+      fprintf(stderr, "rdfguess: file %s not found\n", filename);
+      return 1;
+    }
+    
+    iostr = raptor_new_iostream_from_filename(world, filename);
+    identifier = (const unsigned char *)filename;
+    label = filename;
+  }
+  
+  if(!iostr) {
+    fprintf(stderr, "rdfguess: Could not create iostream for %s\n", label);
+    goto tidy;
+  }
+
+  read_len = READ_BUFFER_SIZE;
+  count = raptor_iostream_read_bytes(buffer, 1, read_len, iostr);
+  if(count < 1) {
+    fprintf(stderr, "rdfguess: Failed to read any data from %s\n",
+            label);
+    goto tidy;
+  }
+  
+  name = raptor_world_guess_parser_name(world,
+                                        /* uri*/ NULL,
+                                        /* mime_type */ NULL,
+                                        (const unsigned char*)buffer,
+                                        read_len, 
+                                        identifier);
+                                        
+  if(name)
+    fprintf(stdout, "rdfguess: %s guessed to be %s\n", label, name);
+  else
+    fprintf(stdout, "rdfguess: failed to guess parser for %s\n", label);
+  
+  tidy:
+  raptor_free_iostream(iostr);
+    
+  return 0;
+}
+      
+
+int
+main(int argc, char *argv[])
+{
+  raptor_world *world = NULL;
+  const char *filename;
+  int rc = 0;
+  
+  world = raptor_new_world();
+
+  if(argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
+    fprintf(stderr, "USAGE rdfguess [FILENAMES...]\n");
+    rc = 1;
+    goto tidy;
+  }
+
+  if(argc == 1) {
+    rc = rdfguess_guess_name(world, "-");
+  } else {
+    int i;
+
+    for(i = 1; (filename = (const char*)argv[i]); i++) {
+      rc = rdfguess_guess_name(world, filename);
+      if(rc)
+        break;
+    }
+  }
+
+  tidy:
+  raptor_free_world(world);
+
+  return rc;
+}
diff --git a/examples/rdfprint.c b/examples/rdfprint.c
new file mode 100644
index 0000000..093aa98
--- /dev/null
+++ b/examples/rdfprint.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <raptor2.h>
+
+/* rdfprint.c: print triples from parsing RDF/XML */
+
+static void
+print_triple(void* user_data, raptor_statement* triple) 
+{
+  raptor_statement_print_as_ntriples(triple, stdout);
+  fputc('\n', stdout);
+}
+
+int
+main(int argc, char *argv[])
+{
+  raptor_world *world = NULL;
+  raptor_parser* rdf_parser = NULL;
+  unsigned char *uri_string;
+  raptor_uri *uri, *base_uri;
+
+  world = raptor_new_world();
+
+  rdf_parser = raptor_new_parser(world, "rdfxml");
+
+  raptor_parser_set_statement_handler(rdf_parser, NULL, print_triple);
+
+  uri_string = raptor_uri_filename_to_uri_string(argv[1]);
+  uri = raptor_new_uri(world, uri_string);
+  base_uri = raptor_uri_copy(uri);
+
+  raptor_parser_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_free_world(world);
+
+  return 0;
+}
diff --git a/examples/rdfserialize.c b/examples/rdfserialize.c
new file mode 100644
index 0000000..ecbc6b3
--- /dev/null
+++ b/examples/rdfserialize.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <raptor2.h>
+#include <stdlib.h>
+
+/* rdfserialize.c: serialize 1 triple to RDF/XML-Abbrev */
+
+int
+main(int argc, char *argv[])
+{
+  raptor_world *world = NULL;
+  raptor_serializer* rdf_serializer = NULL;
+  unsigned char *uri_string;
+  raptor_uri *base_uri;
+  raptor_statement* triple;
+
+  world = raptor_new_world();
+  
+  uri_string = raptor_uri_filename_to_uri_string(argv[1]);
+  base_uri = raptor_new_uri(world, uri_string);
+
+  rdf_serializer = raptor_new_serializer(world, "rdfxml-abbrev");
+  raptor_serializer_start_to_file_handle(rdf_serializer, base_uri, stdout);
+  
+  /* Make a triple with URI subject, URI predicate, literal object */
+  triple = raptor_new_statement(world);
+  triple->subject = raptor_new_term_from_uri_string(world, (const unsigned char*)"http://example.org/subject");
+  triple->predicate = raptor_new_term_from_uri_string(world, (const unsigned char*)"http://example.org/predicate");
+  triple->object = raptor_new_term_from_literal(world,
+                                                (const unsigned char*)"An example literal",
+                                                NULL,
+                                                (const unsigned char*)"en");
+
+  /* Write the triple */
+  raptor_serializer_serialize_statement(rdf_serializer, triple);
+
+  /* Delete the triple */
+  raptor_free_statement(triple);
+
+  raptor_serializer_serialize_end(rdf_serializer);
+  raptor_free_serializer(rdf_serializer);
+  
+  raptor_free_uri(base_uri);
+  raptor_free_memory(uri_string);
+
+  raptor_free_world(world);
+  return 0;
+}