diff options
Diffstat (limited to 'filter/filter-option.c')
-rw-r--r-- | filter/filter-option.c | 497 |
1 files changed, 0 insertions, 497 deletions
diff --git a/filter/filter-option.c b/filter/filter-option.c deleted file mode 100644 index 14bb796ff6..0000000000 --- a/filter/filter-option.c +++ /dev/null @@ -1,497 +0,0 @@ -/* - * 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 <gtk/gtk.h> -#include <glib/gi18n.h> -#include <gmodule.h> - -#include "filter-option.h" -#include "filter-part.h" -#include <libedataserver/e-sexp.h> - -#define d(x) - -static gint option_eq (FilterElement *fe, FilterElement *cm); -static void xml_create (FilterElement *fe, xmlNodePtr node); -static xmlNodePtr xml_encode (FilterElement *fe); -static gint xml_decode (FilterElement *fe, xmlNodePtr node); -static FilterElement *clone (FilterElement *fe); -static GtkWidget *get_widget (FilterElement *fe); -static void build_code (FilterElement *fe, GString *out, struct _FilterPart *ff); -static void format_sexp (FilterElement *, GString *); -static GSList *get_dynamic_options (FilterOption *fo); - -static void filter_option_class_init (FilterOptionClass *klass); -static void filter_option_init (FilterOption *fo); -static void filter_option_finalise (GObject *obj); - -static FilterElementClass *parent_class; - -GType -filter_option_get_type (void) -{ - static GType type = 0; - - if (!type) { - static const GTypeInfo info = { - sizeof (FilterOptionClass), - NULL, /* base_class_init */ - NULL, /* base_class_finalize */ - (GClassInitFunc) filter_option_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (FilterOption), - 0, /* n_preallocs */ - (GInstanceInitFunc) filter_option_init, - }; - - type = g_type_register_static (FILTER_TYPE_ELEMENT, "FilterOption", &info, 0); - } - - return type; -} - -static void -filter_option_class_init (FilterOptionClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - FilterElementClass *fe_class = FILTER_ELEMENT_CLASS (klass); - - parent_class = g_type_class_ref (FILTER_TYPE_ELEMENT); - - object_class->finalize = filter_option_finalise; - - /* override methods */ - fe_class->eq = option_eq; - fe_class->xml_create = xml_create; - fe_class->xml_encode = xml_encode; - fe_class->xml_decode = xml_decode; - fe_class->clone = clone; - fe_class->get_widget = get_widget; - fe_class->build_code = build_code; - fe_class->format_sexp = format_sexp; -} - -static void -filter_option_init (FilterOption *fo) -{ - fo->type = "option"; - fo->dynamic_func = NULL; -} - -static void -free_option (struct _filter_option *o, gpointer data) -{ - g_free (o->title); - g_free (o->value); - g_free (o->code); - g_free (o); -} - -static void -filter_option_finalise (GObject *obj) -{ - FilterOption *fo = (FilterOption *) obj; - - g_list_foreach (fo->options, (GFunc)free_option, NULL); - g_list_free (fo->options); - g_free (fo->dynamic_func); - - G_OBJECT_CLASS (parent_class)->finalize (obj); -} - -/** - * filter_option_new: - * - * Create a new FilterOption object. - * - * Return value: A new #FilterOption object. - **/ -FilterOption * -filter_option_new (void) -{ - return (FilterOption *) g_object_new (FILTER_TYPE_OPTION, NULL, NULL); -} - -static struct _filter_option * -find_option (FilterOption *fo, const gchar *name) -{ - GList *l = fo->options; - struct _filter_option *op; - - while (l) { - op = l->data; - if (!strcmp (name, op->value)) { - return op; - } - l = g_list_next (l); - } - - return NULL; -} - -void -filter_option_set_current (FilterOption *option, const gchar *name) -{ - g_return_if_fail (IS_FILTER_OPTION(option)); - - option->current = find_option (option, name); -} - -/* used by implementers to add additional options */ -struct _filter_option * -filter_option_add(FilterOption *fo, const gchar *value, const gchar *title, const gchar *code, gboolean is_dynamic) -{ - struct _filter_option *op; - - g_return_val_if_fail (IS_FILTER_OPTION(fo), NULL); - g_return_val_if_fail(find_option(fo, value) == NULL, NULL); - - op = g_malloc(sizeof(*op)); - op->title = g_strdup(title); - op->value = g_strdup(value); - op->code = g_strdup(code); - op->is_dynamic = is_dynamic; - - fo->options = g_list_append(fo->options, op); - if (fo->current == NULL) - fo->current = op; - - return op; -} - -const gchar * -filter_option_get_current (FilterOption *option) -{ - g_return_val_if_fail (IS_FILTER_OPTION (option), NULL); - - if (!option->current) - return NULL; - - return option->current->value; -} - -void -filter_option_remove_all (FilterOption *fo) -{ - g_return_if_fail (IS_FILTER_OPTION (fo)); - - g_list_foreach (fo->options, (GFunc)free_option, NULL); - g_list_free (fo->options); - fo->options = NULL; - - fo->current = NULL; -} - -static gint -option_eq(FilterElement *fe, FilterElement *cm) -{ - FilterOption *fo = (FilterOption *)fe, *co = (FilterOption *)cm; - - return FILTER_ELEMENT_CLASS (parent_class)->eq (fe, cm) - && ((fo->current && co->current && strcmp(fo->current->value, co->current->value) == 0) - || (fo->current == NULL && co->current == NULL)); -} - -static void -xml_create (FilterElement *fe, xmlNodePtr node) -{ - FilterOption *fo = (FilterOption *)fe; - xmlNodePtr n, work; - - /* parent implementation */ - FILTER_ELEMENT_CLASS (parent_class)->xml_create (fe, node); - - n = node->children; - while (n) { - if (!strcmp ((gchar *)n->name, "option")) { - gchar *tmp, *value, *title = NULL, *code = NULL; - - value = (gchar *)xmlGetProp (n, (const guchar *)"value"); - work = n->children; - while (work) { - if (!strcmp ((gchar *)work->name, "title") || !strcmp ((gchar *)work->name, "_title")) { - if (!title) { - if (!(tmp = (gchar *)xmlNodeGetContent (work))) - tmp = (gchar *)xmlStrdup ((const guchar *)""); - - title = g_strdup (tmp); - xmlFree (tmp); - } - } else if (!strcmp ((gchar *)work->name, "code")) { - if (!code) { - if (!(tmp = (gchar *)xmlNodeGetContent (work))) - tmp = (gchar *)xmlStrdup ((const guchar *)""); - - code = g_strdup (tmp); - xmlFree (tmp); - } - } - work = work->next; - } - - filter_option_add (fo, value, title, code, FALSE); - xmlFree (value); - g_free (title); - g_free (code); - } else if (g_str_equal ((gchar *)n->name, "dynamic")) { - if (fo->dynamic_func) { - g_warning ("Only one 'dynamic' node is acceptable in the optionlist '%s'", fe->name); - } else { - /* Expecting only one <dynamic func="cb" /> in the option list, - The 'cb' should be of this prototype: - GSList *cb (void); - returning GSList of struct _filter_option, all newly allocated, because it'll - be freed with g_free and g_slist_free. 'is_dynamic' member is ignored here. - */ - xmlChar *fn; - - fn = xmlGetProp (n, (const guchar *)"func"); - if (fn && *fn) { - GSList *items, *i; - struct _filter_option *op; - - fo->dynamic_func = g_strdup ((const gchar *)fn); - - /* get options now, to have them available when reading saved rules */ - items = get_dynamic_options (fo); - for (i = items; i; i = i->next) { - op = i->data; - - if (op) { - filter_option_add (fo, op->value, op->title, op->code, TRUE); - free_option (op, NULL); - } - } - - g_slist_free (items); - } else { - g_warning ("Missing 'func' attribute within '%s' node in optionlist '%s'", n->name, fe->name); - } - - xmlFree (fn); - } - } else if (n->type == XML_ELEMENT_NODE) { - g_warning ("Unknown xml node within optionlist: %s\n", n->name); - } - n = n->next; - } -} - -static xmlNodePtr -xml_encode (FilterElement *fe) -{ - xmlNodePtr value; - FilterOption *fo = (FilterOption *)fe; - - d(printf ("Encoding option as xml\n")); - value = xmlNewNode (NULL, (const guchar *)"value"); - xmlSetProp (value, (const guchar *)"name", (guchar *)fe->name); - xmlSetProp (value, (const guchar *)"type", (guchar *)fo->type); - if (fo->current) - xmlSetProp (value, (const guchar *)"value", (guchar *)fo->current->value); - - return value; -} - -static gint -xml_decode (FilterElement *fe, xmlNodePtr node) -{ - FilterOption *fo = (FilterOption *)fe; - gchar *value; - - d(printf ("Decoding option from xml\n")); - xmlFree (fe->name); - fe->name = (gchar *)xmlGetProp (node, (const guchar *)"name"); - value = (gchar *)xmlGetProp (node, (const guchar *)"value"); - if (value) { - fo->current = find_option (fo, value); - xmlFree (value); - } else { - fo->current = NULL; - } - return 0; -} - -static void -combobox_changed (GtkWidget *widget, FilterElement *fe) -{ - FilterOption *fo = (FilterOption *)fe; - - fo->current = (struct _filter_option *) g_list_nth_data (fo->options, gtk_combo_box_get_active (GTK_COMBO_BOX (widget))); -} - -static GSList * -get_dynamic_options (FilterOption *fo) -{ - GModule *module; - GSList *(*get_func)(void); - GSList *res = NULL; - - if (!fo || !fo->dynamic_func) - return res; - - module = g_module_open (NULL, G_MODULE_BIND_LAZY); - - if (g_module_symbol (module, fo->dynamic_func, (gpointer) &get_func)) { - res = get_func (); - } else { - g_warning ("optionlist dynamic fill function '%s' not found", fo->dynamic_func); - } - - g_module_close (module); - - return res; -} - -static GtkWidget * -get_widget (FilterElement *fe) -{ - FilterOption *fo = (FilterOption *)fe; - GtkWidget *combobox; - GList *l; - struct _filter_option *op; - gint index = 0, current = 0; - - if (fo->dynamic_func) { - /* it is dynamically filled, thus remove all dynamics and put there the fresh ones */ - GSList *items, *i; - GList *old_ops; - struct _filter_option *old_cur; - - old_ops = fo->options; - old_cur = fo->current; - l = old_ops; - - /* start with an empty list */ - fo->current = NULL; - fo->options = NULL; - - for (l = fo->options; l; l = l->next) { - op = l->data; - - if (op->is_dynamic) { - break; - } else { - filter_option_add (fo, op->value, op->title, op->code, FALSE); - } - } - - items = get_dynamic_options (fo); - for (i = items; i; i = i->next) { - op = i->data; - - if (op) { - filter_option_add (fo, op->value, op->title, op->code, TRUE); - free_option (op, NULL); - } - } - - g_slist_free (items); - - /* maybe some static left after those dynamic, add them too */ - for (; l; l = l->next) { - op = l->data; - - if (!op->is_dynamic) - filter_option_add (fo, op->value, op->title, op->code, FALSE); - } - - if (old_cur) - filter_option_set_current (fo, old_cur->value); - - /* free old list */ - g_list_foreach (old_ops, (GFunc)free_option, NULL); - g_list_free (old_ops); - } - - combobox = gtk_combo_box_new_text (); - l = fo->options; - while (l) { - op = l->data; - gtk_combo_box_append_text (GTK_COMBO_BOX (combobox), _(op->title)); - - if (op == fo->current) - current = index; - - l = g_list_next (l); - index++; - } - - g_signal_connect (combobox, "changed", G_CALLBACK (combobox_changed), fe); - gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), current); - - return combobox; -} - -static void -build_code (FilterElement *fe, GString *out, struct _FilterPart *ff) -{ - FilterOption *fo = (FilterOption *)fe; - - d(printf ("building option code %p, current = %p\n", fo, fo->current)); - - if (fo->current && fo->current->code) - filter_part_expand_code (ff, fo->current->code, out); -} - -static void -format_sexp (FilterElement *fe, GString *out) -{ - FilterOption *fo = (FilterOption *)fe; - - if (fo->current) - e_sexp_encode_string (out, fo->current->value); -} - -static FilterElement * -clone (FilterElement *fe) -{ - FilterOption *fo = (FilterOption *)fe, *new; - GList *l; - struct _filter_option *op, *newop; - - d(printf ("cloning option\n")); - - new = FILTER_OPTION (FILTER_ELEMENT_CLASS (parent_class)->clone (fe)); - l = fo->options; - while (l) { - op = l->data; - newop = filter_option_add (new, op->value, op->title, op->code, op->is_dynamic); - if (fo->current == op) - new->current = newop; - l = l->next; - } - - new->dynamic_func = g_strdup (fo->dynamic_func); - - d(printf ("cloning option code %p, current = %p\n", new, new->current)); - - return (FilterElement *) new; -} |