/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* camelMedium.c : Abstract class for a medium */ /* * * Author : * Bertrand Guiheneuf * * 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 #include "camel-medium.h" #include #include "gmime-content-field.h" #include "string-utils.h" #include "gmime-utils.h" #include "hash-table-utils.h" #include "camel-simple-data-wrapper.h" static CamelDataWrapperClass *parent_class = NULL; /* Returns the class for a CamelMedium */ #define CM_CLASS(so) CAMEL_MEDIUM_CLASS (GTK_OBJECT (so)->klass) static void add_header (CamelMedium *medium, const gchar *header_name, const gchar *header_value); static void remove_header (CamelMedium *medium, const gchar *header_name); static const gchar *get_header (CamelMedium *medium, const gchar *header_name); static CamelDataWrapper *get_content_object (CamelMedium *medium); static void set_content_object (CamelMedium *medium, CamelDataWrapper *content); static void finalize (GtkObject *object); static void camel_medium_class_init (CamelMediumClass *camel_medium_class) { CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS (camel_medium_class); GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (camel_data_wrapper_class); parent_class = gtk_type_class (camel_data_wrapper_get_type ()); /* virtual method definition */ camel_medium_class->add_header = add_header; camel_medium_class->remove_header = remove_header; camel_medium_class->get_header = get_header; camel_medium_class->set_content_object = set_content_object; camel_medium_class->get_content_object = get_content_object; gtk_object_class->finalize = finalize; } static void camel_medium_init (gpointer object, gpointer klass) { CamelMedium *camel_medium = CAMEL_MEDIUM (object); camel_medium->headers = g_hash_table_new (g_strcase_hash, g_strcase_equal); camel_medium->content = NULL; } GtkType camel_medium_get_type (void) { static GtkType camel_medium_type = 0; if (!camel_medium_type) { GtkTypeInfo camel_medium_info = { "CamelMedium", sizeof (CamelMedium), sizeof (CamelMediumClass), (GtkClassInitFunc) camel_medium_class_init, (GtkObjectInitFunc) camel_medium_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; camel_medium_type = gtk_type_unique (camel_data_wrapper_get_type (), &camel_medium_info); } return camel_medium_type; } static void free_header (gpointer key, gpointer value, gpointer data) { g_free (key); g_free (value); } static void finalize (GtkObject *object) { CamelMedium *medium = CAMEL_MEDIUM (object); if (medium->headers) { g_hash_table_foreach (medium->headers, free_header, NULL); g_hash_table_destroy (medium->headers); } if (medium->content) gtk_object_unref (GTK_OBJECT (medium->content)); GTK_OBJECT_CLASS (parent_class)->finalize (object); } static void add_header (CamelMedium *medium, const gchar *header_name, const gchar *header_value) { gpointer old_name; gpointer old_value; /* FIXME: This only allows each header to occur once. */ if (g_hash_table_lookup_extended (medium->headers, header_name, &old_name, &old_value)) { g_hash_table_remove (medium->headers, old_name); g_free (old_name); g_free (old_value); } g_hash_table_insert (medium->headers, g_strdup (header_name), g_strdup (header_value)); } /** * camel_medium_add_header: * @medium: a CamelMedium * @header_name: name of the header * @header_value: value of the header * * Adds a header to a medium. * * FIXME: Where does it add it? We need to be able to prepend and * append headers, and also be able to insert them relative to other * headers. **/ void camel_medium_add_header (CamelMedium *medium, gchar *header_name, gchar *header_value) { g_return_if_fail (CAMEL_IS_MEDIUM (medium)); g_return_if_fail (header_name != NULL); g_return_if_fail (header_value != NULL); CM_CLASS (medium)->add_header (medium, header_name, header_value); } static void remove_header (CamelMedium *medium, const gchar *header_name) { gpointer old_name; gpointer old_value; /* FIXME: This only allows each header to occur once. */ if (g_hash_table_lookup_extended (medium->headers, header_name, &old_name, &old_value)) { g_hash_table_remove (medium->headers, header_name); g_free (old_name); g_free (old_value); } } /** * camel_medium_remove_header: * @medium: a medium * @header_name: the name of the header * * Removes the named header from the medium. * * FIXME: If there are multiple occurrences of the header, which * gets/get removed? **/ void camel_medium_remove_header (CamelMedium *medium, const gchar *header_name) { g_return_if_fail (CAMEL_IS_MEDIUM (medium)); g_return_if_fail (header_name != NULL); CM_CLASS (medium)->remove_header (medium, header_name); } static const gchar * get_header (CamelMedium *medium, const gchar *header_name) { gchar *header_value; header_value = (gchar *)g_hash_table_lookup (medium->headers, header_name); return header_value; } /** * camel_medium_get_header: * @medium: a medium * @header_name: the name of the header * * Returns the value of the named header in the medium, or %NULL if * it is unset. The caller should not modify or free the data. * * FIXME: What if the header occurs more than once? * * Return value: the value of the named header, or %NULL **/ const gchar * camel_medium_get_header (CamelMedium *medium, const gchar *header_name) { g_return_val_if_fail (CAMEL_IS_MEDIUM (medium), NULL); g_return_val_if_fail (header_name != NULL, NULL); return CM_CLASS (medium)->get_header (medium, header_name); } static CamelDataWrapper * get_content_object (CamelMedium *medium) { return medium->content; } /** * camel_medium_get_content_object: * @medium: a medium * * Returns a data wrapper that represents the content of the medium, * without its headers. * * Return value: the medium's content object. **/ CamelDataWrapper * camel_medium_get_content_object (CamelMedium *medium) { g_return_val_if_fail (CAMEL_IS_MEDIUM (medium), NULL); return CM_CLASS (medium)->get_content_object (medium); } static void set_content_object (CamelMedium *medium, CamelDataWrapper *content) { if (medium->content) gtk_object_unref (GTK_OBJECT (medium->content)); gtk_object_ref (GTK_OBJECT (content)); medium->content = content; } /** * camel_medium_set_content_object: * @medium: a medium * @content: a data wrapper representing the medium's content * * Sets the content of @medium to be @content. **/ void camel_medium_set_content_object (CamelMedium *medium, CamelDataWrapper *content) { g_return_if_fail (CAMEL_IS_MEDIUM (medium)); g_return_if_fail (CAMEL_IS_DATA_WRAPPER (content)); CM_CLASS (medium)->set_content_object (medium, content); }