** Almost a total rewrite of every file, except for filter-driver which

2000-07-30  Not Zed  <NotZed@HelixCode.com>

        **  Almost a total rewrite of every file, except for filter-driver
        which just had minor updates.

        The rule format has changed.

svn path=/trunk/; revision=4418

1 files changed, 264 insertions, 0 deletions

diff --git a/filter/filter-element.c b/filter/filter-element.c
new file mode 100644
index 0000000000..049b15727b
--- /dev/null
+++ b/filter/filter-element.c
@@ -0,0 +1,264 @@
+/*
+ *  Copyright (C) 2000 Helix Code Inc.
+ *
+ *  Authors: Not Zed <notzed@lostzed.mmc.com.au>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public License
+ *  as published by the Free Software Foundation; either version 2 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program 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 Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <gtk/gtk.h>
+#include <gnome.h>
+
+#include "filter-element.h"
+#include "filter-input.h"
+#include "filter-option.h"
+#include "filter-code.h"
+#include "filter-colour.h"
+#include "filter-folder.h"
+
+static void xml_create(FilterElement *fe, xmlNodePtr node);
+static FilterElement *clone(FilterElement *fe);
+
+static void filter_element_class_init	(FilterElementClass *class);
+static void filter_element_init	(FilterElement *gspaper);
+static void filter_element_finalise	(GtkObject *obj);
+
+#define _PRIVATE(x) (((FilterElement *)(x))->priv)
+struct _FilterElementPrivate {
+};
+
+static GtkObjectClass *parent_class;
+
+enum {
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+guint
+filter_element_get_type (void)
+{
+	static guint type = 0;
+	
+	if (!type) {
+		GtkTypeInfo type_info = {
+			"FilterElement",
+			sizeof(FilterElement),
+			sizeof(FilterElementClass),
+			(GtkClassInitFunc)filter_element_class_init,
+			(GtkObjectInitFunc)filter_element_init,
+			(GtkArgSetFunc)NULL,
+			(GtkArgGetFunc)NULL
+		};
+		
+		type = gtk_type_unique(gtk_object_get_type (), &type_info);
+	}
+	
+	return type;
+}
+
+static void
+filter_element_class_init (FilterElementClass *class)
+{
+	GtkObjectClass *object_class;
+	
+	object_class = (GtkObjectClass *)class;
+	parent_class = gtk_type_class(gtk_object_get_type ());
+
+	object_class->finalize = filter_element_finalise;
+
+	/* override methods */
+	class->xml_create = xml_create;
+	class->clone = clone;
+
+	/* signals */
+
+	gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
+}
+
+static void
+filter_element_init (FilterElement *o)
+{
+	o->priv = g_malloc0(sizeof(*o->priv));
+}
+
+static void
+filter_element_finalise(GtkObject *obj)
+{
+	FilterElement *o = (FilterElement *)obj;
+
+	o = o;
+
+        ((GtkObjectClass *)(parent_class))->finalize(obj);
+}
+
+/**
+ * filter_element_new:
+ *
+ * Create a new FilterElement object.
+ * 
+ * Return value: A new #FilterElement object.
+ **/
+FilterElement *
+filter_element_new(void)
+{
+	FilterElement *o = (FilterElement *)gtk_type_new(filter_element_get_type ());
+	return o;
+}
+
+/**
+ * filter_element_xml_create:
+ * @fe: 
+ * @node: 
+ * 
+ * Create a new filter element based on an xml definition of
+ * that element.
+ **/
+void		filter_element_xml_create	(FilterElement *fe, xmlNodePtr node)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->xml_create(fe, node);
+}
+
+/**
+ * filter_element_xml_encode:
+ * @fe: 
+ * 
+ * Encode the values of a filter element into xml format.
+ * 
+ * Return value: 
+ **/
+xmlNodePtr	filter_element_xml_encode	(FilterElement *fe)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->xml_encode(fe);
+}
+
+/**
+ * filter_element_xml_decode:
+ * @fe: 
+ * @node: 
+ * 
+ * Decode the values of a fitler element from xml format.
+ * 
+ * Return value: 
+ **/
+int		filter_element_xml_decode	(FilterElement *fe, xmlNodePtr node)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->xml_decode(fe, node);
+}
+
+/**
+ * filter_element_clone:
+ * @fe: 
+ * 
+ * Clones the FilterElement @fe.
+ * 
+ * Return value: 
+ **/
+FilterElement	*filter_element_clone		(FilterElement *fe)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->clone(fe);
+}
+
+/**
+ * filter_element_get_widget:
+ * @fe: 
+ * @node: 
+ * 
+ * Create a widget to represent this element.
+ * 
+ * Return value: 
+ **/
+GtkWidget	*filter_element_get_widget	(FilterElement *fe)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->get_widget(fe);
+}
+
+/**
+ * filter_element_build_code:
+ * @fe: 
+ * @out: 
+ * @ff: 
+ * 
+ * Add the code representing this element to the output string @out.
+ **/
+void		filter_element_build_code	(FilterElement *fe, GString *out, struct _FilterPart *ff)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->build_code(fe, out, ff);
+}
+
+/**
+ * filter_element_format_sexp:
+ * @fe: 
+ * @out: 
+ * 
+ * Format the value(s) of this element in a method suitable for the context of
+ * sexp where it is used.  Usually as space separated, double-quoted strings.
+ **/
+void		filter_element_format_sexp	(FilterElement *fe, GString *out)
+{
+	return ((FilterElementClass *)((GtkObject *)fe)->klass)->format_sexp(fe, out);
+}
+
+/**
+ * filter_element_new_type_name:
+ * @type: 
+ * 
+ * Create a new filter element based on its type name.
+ * 
+ * Return value: 
+ **/
+FilterElement	*filter_element_new_type_name	(const char *type)
+{
+	if (type == NULL)
+		return NULL;
+
+	if (!strcmp(type, "string")) {
+		return (FilterElement *)filter_input_new();
+	} else if (!strcmp(type, "folder")) {
+		return (FilterElement *)filter_folder_new();
+	} else if (!strcmp(type, "address")) {
+		/* FIXME: temporary ... need real address type */
+		return (FilterElement *)filter_input_new_type_name(type);
+	} else if (!strcmp(type, "code")) {
+		return (FilterElement *)filter_code_new();
+	} else if (!strcmp(type, "colour")) {
+		return (FilterElement *)filter_colour_new();
+	} else if (!strcmp(type, "optionlist")) {
+		return (FilterElement *)filter_option_new();
+	} else {
+		g_warning("Unknown filter type '%s'", type);
+		return 0;
+	}
+}
+
+/* default implementations */
+static void xml_create(FilterElement *fe, xmlNodePtr node)
+{
+	fe->name = xmlGetProp(node, "name");
+}
+
+static FilterElement *clone(FilterElement *fe)
+{
+	xmlNodePtr node;
+	FilterElement *new;
+
+	new = (FilterElement *)gtk_type_new( ((GtkObject *)fe)->klass->type );
+	node = filter_element_xml_encode(fe);
+	filter_element_xml_decode(new, node);
+	xmlFreeNodeList(node);
+	return new;
+}
+
+