diff options
Diffstat (limited to 'e-util/e-list-iterator.c')
-rw-r--r-- | e-util/e-list-iterator.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/e-util/e-list-iterator.c b/e-util/e-list-iterator.c deleted file mode 100644 index 7d3d644fc2..0000000000 --- a/e-util/e-list-iterator.c +++ /dev/null @@ -1,249 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Authors: - * Christopher James Lahey <clahey@umich.edu> - * - * Copyright (C) 2000 Ximian, Inc. - * Copyright (C) 1999 The Free Software Foundation - */ - -#include <config.h> - -#include "e-list-iterator.h" -#include "e-list.h" - - -static void e_list_iterator_init (EListIterator *list); -static void e_list_iterator_class_init (EListIteratorClass *klass); - -static void e_list_iterator_invalidate (EIterator *iterator); -static gboolean e_list_iterator_is_valid (EIterator *iterator); -static void e_list_iterator_set (EIterator *iterator, - const void *object); -static void e_list_iterator_delete (EIterator *iterator); -static void e_list_iterator_insert (EIterator *iterator, - const void *object, - gboolean before); -static gboolean e_list_iterator_prev (EIterator *iterator); -static gboolean e_list_iterator_next (EIterator *iterator); -static void e_list_iterator_reset (EIterator *iterator); -static void e_list_iterator_last (EIterator *iterator); -static const void *e_list_iterator_get (EIterator *iterator); -static void e_list_iterator_destroy (GtkObject *object); - -#define PARENT_TYPE (e_iterator_get_type ()) - -static EIteratorClass *parent_class; -#define PARENT_CLASS (E_ITERATOR_CLASS(parent_class)) - -/** - * e_list_iterator_get_type: - * @void: - * - * Registers the &EListIterator class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the &EListIterator class. - **/ -GtkType -e_list_iterator_get_type (void) -{ - static GtkType type = 0; - - if (!type) { - GtkTypeInfo info = { - "EListIterator", - sizeof (EListIterator), - sizeof (EListIteratorClass), - (GtkClassInitFunc) e_list_iterator_class_init, - (GtkObjectInitFunc) e_list_iterator_init, - NULL, /* reserved_1 */ - NULL, /* reserved_2 */ - (GtkClassInitFunc) NULL - }; - - type = gtk_type_unique (PARENT_TYPE, &info); - } - - return type; -} - -static void -e_list_iterator_class_init (EListIteratorClass *klass) -{ - GtkObjectClass *object_class; - EIteratorClass *iterator_class; - - object_class = GTK_OBJECT_CLASS(klass); - iterator_class = E_ITERATOR_CLASS(klass); - - parent_class = gtk_type_class (PARENT_TYPE); - - object_class->destroy = e_list_iterator_destroy; - - iterator_class->invalidate = e_list_iterator_invalidate; - iterator_class->get = e_list_iterator_get; - iterator_class->reset = e_list_iterator_reset; - iterator_class->last = e_list_iterator_last; - iterator_class->next = e_list_iterator_next; - iterator_class->prev = e_list_iterator_prev; - iterator_class->delete = e_list_iterator_delete; - iterator_class->insert = e_list_iterator_insert; - iterator_class->set = e_list_iterator_set; - iterator_class->is_valid = e_list_iterator_is_valid; -} - - - -/** - * e_list_iterator_init: - */ -static void -e_list_iterator_init (EListIterator *list) -{ -} - -EIterator * -e_list_iterator_new (EList *list) -{ - EListIterator *iterator = gtk_type_new(e_list_iterator_get_type()); - - iterator->list = list; - gtk_object_ref(GTK_OBJECT(list)); - iterator->iterator = list->list; - - return E_ITERATOR(iterator); -} - -/* - * Virtual functions: - */ -static void -e_list_iterator_destroy (GtkObject *object) -{ - EListIterator *iterator = E_LIST_ITERATOR(object); - e_list_remove_iterator(iterator->list, E_ITERATOR(iterator)); - gtk_object_unref(GTK_OBJECT(iterator->list)); - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - -static const void * -e_list_iterator_get (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - if (iterator->iterator) - return iterator->iterator->data; - else - return NULL; -} - -static void -e_list_iterator_reset (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - iterator->iterator = iterator->list->list; -} - -static void -e_list_iterator_last (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - iterator->iterator = g_list_last(iterator->list->list); -} - -static gboolean -e_list_iterator_next (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - if (iterator->iterator) - iterator->iterator = g_list_next(iterator->iterator); - else - iterator->iterator = iterator->list->list; - return (iterator->iterator != NULL); -} - -static gboolean -e_list_iterator_prev (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - if (iterator->iterator) - iterator->iterator = g_list_previous(iterator->iterator); - else - iterator->iterator = g_list_last(iterator->list->list); - return (iterator->iterator != NULL); -} - -static void -e_list_iterator_insert (EIterator *_iterator, - const void *object, - gboolean before) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - void *data; - if (iterator->list->copy) - data = iterator->list->copy(object, iterator->list->closure); - else - data = (void *) object; - if (iterator->iterator) { - if (before) { - iterator->list->list = g_list_first(g_list_prepend(iterator->iterator, data)); - iterator->iterator = iterator->iterator->prev; - } else { - if (iterator->iterator->next) - g_list_prepend(iterator->iterator->next, data); - else - g_list_append(iterator->iterator, data); - iterator->iterator = iterator->iterator->next; - } - e_list_invalidate_iterators(iterator->list, E_ITERATOR(iterator)); - } else { - if (before) { - iterator->list->list = g_list_append(iterator->list->list, data); - iterator->iterator = g_list_last(iterator->list->list); - } else { - iterator->list->list = g_list_prepend(iterator->list->list, data); - iterator->iterator = iterator->list->list; - } - e_list_invalidate_iterators(iterator->list, E_ITERATOR(iterator)); - } -} - -static void -e_list_iterator_delete (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - if (iterator->iterator) { - e_list_remove_link (iterator->list, iterator->iterator); - } -} - -static void -e_list_iterator_set (EIterator *_iterator, - const void *object) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - if (iterator->iterator) { - if (iterator->list->free) - iterator->list->free(iterator->iterator->data, iterator->list->closure); - if (iterator->list->copy) - iterator->iterator->data = iterator->list->copy(object, iterator->list->closure); - else - iterator->iterator->data = (void *) object; - } -} - -static gboolean -e_list_iterator_is_valid (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - return iterator->iterator != NULL; -} - -static void -e_list_iterator_invalidate (EIterator *_iterator) -{ - EListIterator *iterator = E_LIST_ITERATOR(_iterator); - iterator->iterator = NULL; -} |