Cleanup and rename filter classes.

1 files changed, 322 insertions, 0 deletions

diff --git a/filter/e-filter-input.c b/filter/e-filter-input.c
new file mode 100644
index 0000000000..a8d6123905
--- /dev/null
+++ b/filter/e-filter-input.c
@@ -0,0 +1,322 @@
+/*
+ * This program 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 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ *		Not Zed <notzed@lostzed.mmc.com.au>
+ *      Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <sys/types.h>
+#include <regex.h>
+
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+
+#include <libedataserver/e-sexp.h>
+
+#include "e-util/e-error.h"
+
+#include "e-filter-input.h"
+
+static gpointer parent_class;
+
+static void
+filter_input_entry_changed (GtkEntry *entry,
+                            EFilterElement *element)
+{
+	EFilterInput *input = E_FILTER_INPUT (element);
+	const gchar *text;
+
+	g_list_foreach (input->values, (GFunc) g_free, NULL);
+	g_list_free (input->values);
+
+	text = gtk_entry_get_text (entry);
+	input->values = g_list_append (NULL, g_strdup (text));
+}
+
+static void
+filter_input_finalize (GObject *object)
+{
+	EFilterInput *input = E_FILTER_INPUT (object);
+
+	xmlFree (input->type);
+
+	g_list_foreach (input->values, (GFunc)g_free, NULL);
+	g_list_free (input->values);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+filter_input_validate (EFilterElement *element,
+                       GtkWindow *error_parent)
+{
+	EFilterInput *input = E_FILTER_INPUT (element);
+	gboolean valid = TRUE;
+
+	if (input->values && !strcmp (input->type, "regex")) {
+		const gchar *pattern;
+		regex_t regexpat;
+		gint regerr;
+
+		pattern = input->values->data;
+
+		if ((regerr = regcomp (&regexpat, pattern, REG_EXTENDED | REG_NEWLINE | REG_ICASE))) {
+			gsize reglen;
+			gchar *regmsg;
+
+			/* regerror gets called twice to get the full error string
+			   length to do proper posix error reporting */
+			reglen = regerror (regerr, &regexpat, 0, 0);
+			regmsg = g_malloc0 (reglen + 1);
+			regerror (regerr, &regexpat, regmsg, reglen);
+
+			e_error_run (error_parent, "filter:bad-regexp", pattern, regmsg, NULL);
+			g_free (regmsg);
+
+			valid = FALSE;
+		}
+
+		regfree (&regexpat);
+	}
+
+	return valid;
+}
+
+static gint
+filter_input_eq (EFilterElement *element_a,
+                 EFilterElement *element_b)
+{
+	EFilterInput *input_a = E_FILTER_INPUT (element_a);
+	EFilterInput *input_b = E_FILTER_INPUT (element_b);
+	GList *link_a;
+	GList *link_b;
+
+	/* Chain up to parent's eq() method. */
+	if (!E_FILTER_ELEMENT_CLASS (parent_class)->eq (element_a, element_b))
+		return FALSE;
+
+	if (g_strcmp0 (input_a->type, input_b->type) != 0)
+		return FALSE;
+
+	link_a = input_a->values;
+	link_b = input_b->values;
+
+	while (link_a != NULL && link_b != NULL) {
+		if (g_strcmp0 (link_a->data, link_b->data) != 0)
+			return FALSE;
+
+		link_a = g_list_next (link_a);
+		link_b = g_list_next (link_b);
+	}
+
+	if (link_a != NULL || link_b != NULL)
+		return FALSE;
+
+	return TRUE;
+}
+
+static xmlNodePtr
+filter_input_xml_encode (EFilterElement *element)
+{
+	EFilterInput *input = E_FILTER_INPUT (element);
+	xmlNodePtr value;
+	GList *link;
+	const gchar *type;
+
+	type = input->type ? input->type : "string";
+
+	value = xmlNewNode (NULL, (xmlChar *) "value");
+	xmlSetProp (value, (xmlChar *) "name", (xmlChar *) element->name);
+	xmlSetProp (value, (xmlChar *) "type", (xmlChar *) type);
+
+	for (link = input->values; link != NULL; link = g_list_next (link)) {
+		xmlChar *str = link->data;
+		xmlNodePtr cur;
+
+                cur = xmlNewChild (value, NULL, (xmlChar *)type, NULL);
+
+		str = xmlEncodeEntitiesReentrant (NULL, str);
+		xmlNodeSetContent (cur, str);
+		xmlFree (str);
+	}
+
+	return value;
+}
+
+static gint
+filter_input_xml_decode (EFilterElement *element, xmlNodePtr node)
+{
+	EFilterInput *input = (EFilterInput *)element;
+	gchar *name, *str, *type;
+	xmlNodePtr child;
+
+	g_list_foreach (input->values, (GFunc) g_free, NULL);
+	g_list_free (input->values);
+	input->values = NULL;
+
+	name = (gchar *) xmlGetProp (node, (xmlChar *) "name");
+	type = (gchar *) xmlGetProp (node, (xmlChar *) "type");
+
+	xmlFree (element->name);
+	element->name = name;
+
+	xmlFree (input->type);
+	input->type = type;
+
+	child = node->children;
+	while (child != NULL) {
+		if (!strcmp ((gchar *)child->name, type)) {
+			if (!(str = (gchar *)xmlNodeGetContent (child)))
+				str = (gchar *)xmlStrdup ((xmlChar *)"");
+
+			input->values = g_list_append (input->values, g_strdup (str));
+			xmlFree (str);
+		} else if (child->type == XML_ELEMENT_NODE) {
+			g_warning (
+				"Unknown node type '%s' encountered "
+				"decoding a %s\n", child->name, type);
+		}
+		child = child->next;
+	}
+
+	return 0;
+}
+
+static GtkWidget *
+filter_input_get_widget (EFilterElement *element)
+{
+	EFilterInput *input = E_FILTER_INPUT (element);
+	GtkWidget *entry;
+
+	entry = gtk_entry_new ();
+	if (input->values && input->values->data)
+		gtk_entry_set_text (
+			GTK_ENTRY (entry), input->values->data);
+
+	g_signal_connect (
+		entry, "changed",
+		G_CALLBACK (filter_input_entry_changed), element);
+
+	return entry;
+}
+
+static void
+filter_input_format_sexp (EFilterElement *element,
+                          GString *out)
+{
+	EFilterInput *input = E_FILTER_INPUT (element);
+	GList *link;
+
+	for (link = input->values; link != NULL; link = g_list_next (link))
+		e_sexp_encode_string (out, link->data);
+}
+
+static void
+filter_input_class_init (EFilterInputClass *class)
+{
+	GObjectClass *object_class;
+	EFilterElementClass *filter_element_class;
+
+	parent_class = g_type_class_peek_parent (class);
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->finalize = filter_input_finalize;
+
+	filter_element_class = E_FILTER_ELEMENT_CLASS (class);
+	filter_element_class->validate = filter_input_validate;
+	filter_element_class->eq = filter_input_eq;
+	filter_element_class->xml_encode = filter_input_xml_encode;
+	filter_element_class->xml_decode = filter_input_xml_decode;
+	filter_element_class->get_widget = filter_input_get_widget;
+	filter_element_class->format_sexp = filter_input_format_sexp;
+}
+
+static void
+filter_input_init (EFilterInput *input)
+{
+	input->values = g_list_prepend (NULL, g_strdup (""));
+}
+
+GType
+e_filter_input_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		static const GTypeInfo type_info = {
+			sizeof (EFilterInputClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) filter_input_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,  /* class_data */
+			sizeof (EFilterInput),
+			0,     /* n_preallocs */
+			(GInstanceInitFunc) filter_input_init,
+			NULL   /* value_table */
+		};
+
+		type = g_type_register_static (
+			E_TYPE_FILTER_ELEMENT, "EFilterInput", &type_info, 0);
+	}
+
+	return type;
+}
+
+/**
+ * filter_input_new:
+ *
+ * Create a new EFilterInput object.
+ *
+ * Return value: A new #EFilterInput object.
+ **/
+EFilterInput *
+e_filter_input_new (void)
+{
+	return g_object_new (E_TYPE_FILTER_INPUT, NULL);
+}
+
+EFilterInput *
+e_filter_input_new_type_name (const gchar *type)
+{
+	EFilterInput *input;
+
+	input = e_filter_input_new ();
+	input->type = (gchar *) xmlStrdup ((xmlChar *) type);
+
+	return input;
+}
+
+void
+e_filter_input_set_value (EFilterInput *input,
+                          const gchar *value)
+{
+	g_return_if_fail (E_IS_FILTER_INPUT (input));
+
+	g_list_foreach (input->values, (GFunc) g_free, NULL);
+	g_list_free (input->values);
+
+	input->values = g_list_append (NULL, g_strdup (value));
+}