/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-recipient.h : handle recipients (addresses) and recipiemt lists */
/*
*
* Author :
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "glib.h"
#include "hash-table-utils.h"
#include "camel-recipient.h"
/**
* camel_recipient_table_new: Create a new recipient table object
*
*
* creates a new recipient table object. A recipient table
* objects merely associates a recipient list (GList) to
* recipient types (as for example "To", "Cc" for mime
* maile messages
*
* Return value: the newly created recipient table object
**/
CamelRecipientTable *
camel_recipient_table_new ()
{
CamelRecipientTable *recipient_table;
recipient_table = g_new0 (CamelRecipientTable, 1);
recipient_table->recipient_hash_table = g_hash_table_new (g_strcase_hash, g_strcase_equal);
recipient_table->ref_count = 1;
return recipient_table;
}
/**
* camel_recipient_table_ref: add a reference to a recipient table object
* @recipient_table: the recipient table object
*
* Add a reference to a recipient table object.
**/
void
camel_recipient_table_ref (CamelRecipientTable *recipient_table)
{
g_return_if_fail (recipient_table);
recipient_table->ref_count += 1;
}
static void
_free_recipient_list (gpointer key, gpointer value, gpointer user_data)
{
GList *recipient_list = (GList *)value;
gchar *recipient_name = (gchar *)key;
while (recipient_list) {
g_free (recipient_list->data);
recipient_list = recipient_list->next;
}
g_list_free ((GList *)value);
g_free (recipient_name);
}
/**
* camel_recipient_table_free: Free a recipient table object
* @recipient_table: the recipient table object to free
*
* Free a recipient table object. All recipients and recipient
* are freed.
**/
void
camel_recipient_table_free (CamelRecipientTable *recipient_table)
{
if (!recipient_table) return;
/* free each recipient list */
g_hash_table_foreach (recipient_table->recipient_hash_table, _free_recipient_list, NULL);
g_hash_table_destroy (recipient_table->recipient_hash_table);
}
/**
* camel_recipient_table_unref: Removes a reference to a recipient table object
* @recipient_table: the recipient table object
*
* Removes a reference to the reference count of a recipient
* table object. If the reference count falls to zero, the
* recipient table object is freed.
*
**/
void
camel_recipient_table_unref (CamelRecipientTable *recipient_table)
{
if (!recipient_table) return;
recipient_table->ref_count -= 1;
if (recipient_table->ref_count <1)
camel_recipient_table_free (recipient_table);
}
/**
* camel_recipient_table_add: Add a recipient to a recipient table object.
* @recipient_table: The recipient table object
* @recipient_type: Recipient type string
* @recipient: The recipient to add
*
* Add a recipient to a recipient table object.
* The recipient is appended to the list of recipients
* of type @recipient_type. @recipient and @recipient_type
* are duplicated if necessary and freed when
* camel_recipient_table_free is called.
**/
void
camel_recipient_table_add (CamelRecipientTable *recipient_table,
const gchar *recipient_type,
const gchar *recipient)
{
GList *recipients_list;
GList *existent_list;
/* see if there is already a list for this recipient type */
existent_list = (GList *)g_hash_table_lookup (recipient_table->recipient_hash_table, recipient_type);
/* append the new recipient to the recipient list
if the existent_list is NULL, then a new GList is
automagically created */
recipients_list = g_list_append (existent_list, (gpointer)g_strdup (recipient));
if (!existent_list) /* if there was no recipient of this type create the section */
g_hash_table_insert (recipient_table->recipient_hash_table, g_strdup (recipient_type), recipients_list);
}
/**
* camel_recipient_table_add_list: Add a full list of recipients to a recipient table.
* @recipient_table: The recipient table object
* @recipient_type: Recipient type string.
* @recipient_list: Recipient list to add.
*
* Add a full list of recipients to a recipient table.
* The new recipients are appended at the end of the
* existing recipient list corresponding to @recipient_type.
* Be careful, the list is used as is, and its element
* will be freed by camel_recipient_table_unref
**/
void
camel_recipient_table_add_list (CamelRecipientTable *recipient_table,
const gchar *recipient_type,
GList *recipient_list)
{
GList *existent_list;
/* see if there is already a list for this recipient type */
existent_list = (GList *)g_hash_table_lookup (recipient_table->recipient_hash_table, recipient_type);
if (existent_list)
g_list_concat (existent_list, recipient_list);
else
g_hash_table_insert (recipient_table->recipient_hash_table, g_strdup (recipient_type), recipient_list);
}
/**
* camel_recipient_table_remove: Remove a recipient from a recipient table.
* @recipient_table: The recipient table object
* @recipient_type: Recipient type string.
* @recipient: Recipient to remove from the table
*
* Remove a recipient from a recipient table. The recipient is
* only removed from the recipient list corresponding to
* @recipient_type. The removed recipient is freed.
*
**/
void
camel_recipient_table_remove (CamelRecipientTable *recipient_table,
const gchar *recipient_type,
const gchar *recipient)
{
GList *recipients_list;
GList *new_recipients_list;
GList *old_element;
gchar *old_recipient_type;
/* if the recipient type section does not exist, do nothing */
if (! g_hash_table_lookup_extended (recipient_table->recipient_hash_table,
recipient_type,
(gpointer)&(old_recipient_type),
(gpointer)&(recipients_list))
) return;
/* look for the recipient to remove */
/* g_list_find_custom , use gpointer instead of gconstpointer */
old_element = g_list_find_custom (recipients_list, (gpointer)recipient, g_strcase_equal);
if (old_element) {
/* if recipient exists, remove it */
new_recipients_list = g_list_remove_link (recipients_list, old_element);
/* if glist head has changed, fix up hash table */
if (new_recipients_list != recipients_list)
g_hash_table_insert (recipient_table->recipient_hash_table, old_recipient_type, new_recipients_list);
g_free( (gchar *)(old_element->data));
g_list_free_1 (old_element);
}
}
/**
* camel_recipient_table_get: Get the recipients corresponding to a recipient type.
* @recipient_table: The recipient table object
* @recipient_type: Recipient type string.
*
* Return the list of recipients corresponding to
* @recipient_type. The returned list is not a copy
* of the internal list used by the recipient table object
* but the list itself. It thus must not be freed.
* The recipients it contains can be modified.
*
* Return value: The list of recipients.
**/
const GList *
camel_recipient_table_get (CamelRecipientTable *recipient_table,
const gchar *recipient_type)
{
return (const GList *)g_hash_table_lookup (recipient_table->recipient_hash_table, recipient_type);
}
/**
* camel_recipient_foreach_recipient_type: Runs a function over over all recipients type lists.
* @recipient_table: The recipient table object.
* @func: The function to run.
* @user_data: User data to pass to the function.
*
* Runs a function over over all recipients type lists.
**/
void
camel_recipient_foreach_recipient_type (CamelRecipientTable *recipient_table,
CRLFunc func,
gpointer user_data)
{
g_hash_table_foreach (recipient_table->recipient_hash_table, (GHFunc)func, user_data);
}
