/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camelMimePart.c : Abstract class for a mime_part */
/*
* Authors: Bertrand Guiheneuf <bertrand@helixcode.com>
* Michael Zucchi <notzed@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 <config.h>
#include <string.h>
#include "camel-mime-part.h"
#include <stdio.h>
#include "gmime-content-field.h"
#include "string-utils.h"
#include "gmime-utils.h"
#include "camel-simple-data-wrapper.h"
#include "hash-table-utils.h"
#include "camel-stream-mem.h"
#include "camel-mime-part-utils.h"
#include "camel-seekable-substream.h"
#include "camel-stream-filter.h"
#include "camel-mime-filter-basic.h"
#include "camel-mime-filter-charset.h"
#include <ctype.h>
#include "camel-mime-parser.h"
/* ick, this shouldn't need to know about the parent types ... then again the repository does *sigh* */
#include "camel-mime-message.h"
#include "camel-multipart.h"
#include "camel-mime-body-part.h"
#define d(x)
typedef enum {
HEADER_UNKNOWN,
HEADER_DESCRIPTION,
HEADER_DISPOSITION,
HEADER_CONTENT_ID,
HEADER_ENCODING,
HEADER_CONTENT_MD5,
HEADER_CONTENT_LANGUAGES,
HEADER_CONTENT_TYPE
} CamelHeaderType;
static GHashTable *header_name_table;
static CamelMediumClass *parent_class=NULL;
/* Returns the class for a CamelMimePart */
#define CMP_CLASS(so) CAMEL_MIME_PART_CLASS (GTK_OBJECT(so)->klass)
#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (GTK_OBJECT(so)->klass)
#define CMD_CLASS(so) CAMEL_MEDIUM_CLASS (GTK_OBJECT(so)->klass)
/* from GtkObject */
static void my_finalize (GtkObject *object);
/* from CamelDataWrapper */
static void my_write_to_stream (CamelDataWrapper *data_wrapper,
CamelStream *stream);
static void my_construct_from_stream (CamelDataWrapper *data_wrapper,
CamelStream *stream);
static void construct_from_parser (CamelDataWrapper *, CamelMimeParser *);
static void my_set_input_stream (CamelDataWrapper *data_wrapper,
CamelStream *stream);
static CamelStream * my_get_output_stream (CamelDataWrapper *data_wrapper);
/* from CamelMedia */
static void add_header (CamelMedium *medium, const char *header_name, const char *header_value);
static void set_header (CamelMedium *medium, const char *header_name, const char *header_value);
static void remove_header (CamelMedium *medium, const char *header_name);
static void my_set_content_object (CamelMedium *medium,
CamelDataWrapper *content);
static CamelDataWrapper *my_get_content_object (CamelMedium *medium);
/* forward references */
static void set_disposition (CamelMimePart *mime_part, const gchar *disposition);
/* loads in a hash table the set of header names we */
/* recognize and associate them with a unique enum */
/* identifier (see CamelHeaderType above) */
static void
my_init_header_name_table()
{
header_name_table = g_hash_table_new (g_strcase_hash, g_strcase_equal);
g_hash_table_insert (header_name_table, "Content-Description", (gpointer)HEADER_DESCRIPTION);
g_hash_table_insert (header_name_table, "Content-Disposition", (gpointer)HEADER_DISPOSITION);
g_hash_table_insert (header_name_table, "Content-id", (gpointer)HEADER_CONTENT_ID);
g_hash_table_insert (header_name_table, "Content-Transfer-Encoding", (gpointer)HEADER_ENCODING);
g_hash_table_insert (header_name_table, "Content-MD5", (gpointer)HEADER_CONTENT_MD5);
g_hash_table_insert (header_name_table, "Content-Type", (gpointer)HEADER_CONTENT_TYPE);
}
static void
camel_mime_part_class_init (CamelMimePartClass *camel_mime_part_class)
{
CamelMediumClass *camel_medium_class = CAMEL_MEDIUM_CLASS (camel_mime_part_class);
CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS (camel_mime_part_class);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (camel_data_wrapper_class);
parent_class = gtk_type_class (camel_medium_get_type ());
my_init_header_name_table();
/* virtual method overload */
camel_medium_class->add_header = add_header;
camel_medium_class->set_header = set_header;
camel_medium_class->remove_header = remove_header;
camel_medium_class->set_content_object = my_set_content_object;
camel_medium_class->get_content_object = my_get_content_object;
camel_data_wrapper_class->write_to_stream = my_write_to_stream;
camel_data_wrapper_class->construct_from_stream = my_construct_from_stream;
camel_data_wrapper_class->construct_from_parser = construct_from_parser;
camel_data_wrapper_class->set_input_stream = my_set_input_stream;
/* camel_data_wrapper_class->get_output_stream = my_get_output_stream;*/
gtk_object_class->finalize = my_finalize;
}
static void
camel_mime_part_init (gpointer object, gpointer klass)
{
CamelMimePart *camel_mime_part = CAMEL_MIME_PART (object);
camel_mime_part->content_type = gmime_content_field_new ("text", "plain");
camel_mime_part->description = NULL;
camel_mime_part->disposition = NULL;
camel_mime_part->content_id = NULL;
camel_mime_part->content_MD5 = NULL;
camel_mime_part->content_languages = NULL;
camel_mime_part->encoding = CAMEL_MIME_PART_ENCODING_DEFAULT;
camel_mime_part->temp_message_buffer = NULL;
camel_mime_part->content_input_stream = NULL;
}
GtkType
camel_mime_part_get_type (void)
{
static GtkType camel_mime_part_type = 0;
if (!camel_mime_part_type) {
GtkTypeInfo camel_mime_part_info =
{
"CamelMimePart",
sizeof (CamelMimePart),
sizeof (CamelMimePartClass),
(GtkClassInitFunc) camel_mime_part_class_init,
(GtkObjectInitFunc) camel_mime_part_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_mime_part_type = gtk_type_unique (camel_medium_get_type (), &camel_mime_part_info);
}
return camel_mime_part_type;
}
static void
my_finalize (GtkObject *object)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (object);
g_free (mime_part->description);
g_free (mime_part->content_id);
g_free (mime_part->content_MD5);
string_list_free (mime_part->content_languages);
header_disposition_unref(mime_part->disposition);
if (mime_part->content_type) gmime_content_field_unref (mime_part->content_type);
if (mime_part->temp_message_buffer) g_byte_array_free (mime_part->temp_message_buffer, TRUE);
if (mime_part->content_input_stream) gtk_object_unref (GTK_OBJECT (mime_part->content_input_stream));
GTK_OBJECT_CLASS (parent_class)->finalize (object);
}
/* **** */
static gboolean
process_header(CamelMedium *medium, const char *header_name, const char *header_value)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
CamelHeaderType header_type;
char *text;
/* Try to parse the header pair. If it corresponds to something */
/* known, the job is done in the parsing routine. If not, */
/* we simply add the header in a raw fashion */
/* FIXMME: MUST check fields for validity before adding them! */
header_type = (CamelHeaderType) g_hash_table_lookup (header_name_table, header_name);
switch (header_type) {
case HEADER_DESCRIPTION: /* raw header->utf8 conversion */
text = header_decode_string(header_value);
g_free(mime_part->description);
mime_part->description = text;
break;
case HEADER_DISPOSITION:
set_disposition (mime_part, header_value);
break;
case HEADER_CONTENT_ID:
text = header_msgid_decode(header_value);
g_free(mime_part->content_id);
mime_part->content_id = text;
break;
case HEADER_ENCODING:
text = header_token_decode(header_value);
mime_part->encoding = camel_mime_part_encoding_from_string (text);
g_free(text);
break;
case HEADER_CONTENT_MD5:
g_free(mime_part->content_MD5);
mime_part->content_MD5 = g_strdup(header_value);
break;
case HEADER_CONTENT_TYPE:
gmime_content_field_construct_from_string (mime_part->content_type, header_value);
break;
default:
return FALSE;
}
return TRUE;
}
static void
set_header (CamelMedium *medium, const char *header_name, const char *header_value)
{
process_header(medium, header_name, header_value);
parent_class->set_header (medium, header_name, header_value);
}
static void
add_header (CamelMedium *medium, const char *header_name, const char *header_value)
{
/* Try to parse the header pair. If it corresponds to something */
/* known, the job is done in the parsing routine. If not, */
/* we simply add the header in a raw fashion */
/* FIXMME: MUST check fields for validity before adding them! */
/* If it was one of the headers we handled, it must be unique, set it instead of add */
if (process_header(medium, header_name, header_value))
parent_class->set_header (medium, header_name, header_value);
else
parent_class->add_header (medium, header_name, header_value);
}
static void
remove_header (CamelMedium *medium, const char *header_name)
{
process_header(medium, header_name, NULL);
parent_class->remove_header (medium, header_name);
}
/* **** Content-Description */
void
camel_mime_part_set_description (CamelMimePart *mime_part, const gchar *description)
{
char *text;
/* FIXME: convert header, internationalise, etc. */
text = g_strdup(description);
/* text = header_encode_string(description); */
g_free(mime_part->description);
mime_part->description = text;
parent_class->set_header ((CamelMedium *)mime_part, "Content-Description", text);
}
const gchar *
camel_mime_part_get_description (CamelMimePart *mime_part)
{
return mime_part->description;
}
/* **** Content-Disposition */
static void
set_disposition (CamelMimePart *mime_part, const gchar *disposition)
{
header_disposition_unref(mime_part->disposition);
if (disposition)
mime_part->disposition = header_disposition_decode(disposition);
else
mime_part->disposition = NULL;
}
void
camel_mime_part_set_disposition (CamelMimePart *mime_part, const gchar *disposition)
{
char *text;
/* we poke in a new disposition (so we dont lose 'filename', etc) */
if (mime_part->disposition == NULL) {
set_disposition(mime_part, disposition);
}
if (mime_part->disposition != NULL) {
g_free(mime_part->disposition->disposition);
mime_part->disposition->disposition = g_strdup(disposition);
}
text = header_disposition_format(mime_part->disposition);
parent_class->set_header ((CamelMedium *)mime_part, "Content-Description", text);
g_free(text);
}
const gchar *
camel_mime_part_get_disposition (CamelMimePart *mime_part)
{
if (mime_part->disposition)
return (mime_part->disposition)->disposition;
else
return NULL;
}
/* **** Content-Disposition: filename="xxx" */
void
camel_mime_part_set_filename (CamelMimePart *mime_part, gchar *filename)
{
char *str;
if (mime_part->disposition == NULL)
mime_part->disposition = header_disposition_decode("attachment");
header_set_param(&mime_part->disposition->params, "filename", filename);
str = header_disposition_format(mime_part->disposition);
/* we dont want to override what we just created ... */
parent_class->set_header ((CamelMedium *)mime_part, "Content-Disposition", str);
g_free(str);
}
const gchar *
camel_mime_part_get_filename (CamelMimePart *mime_part)
{
if (mime_part->disposition)
return header_param(mime_part->disposition->params, "filename");
return NULL;
}
/* **** Content-ID: */
void
camel_mime_part_set_content_id (CamelMimePart *mime_part, const char *contentid)
{
char *text;
/* perform a syntax check, just 'cause we can */
text = header_msgid_decode(contentid);
if (text == NULL) {
g_warning("Invalid content id being set: '%s'", contentid);
} else {
g_free(text);
}
g_free(mime_part->content_id);
mime_part->content_id = g_strdup(contentid);
parent_class->set_header ((CamelMedium *)mime_part, "Content-ID", contentid);
}
const gchar *
camel_mime_part_get_content_id (CamelMimePart *mime_part)
{
return mime_part->content_id;
}
/* **** Content-MD5: */
void
camel_mime_part_set_content_MD5 (CamelMimePart *mime_part, const char *md5)
{
g_free(mime_part->content_MD5);
mime_part->content_MD5 = g_strdup(md5);
parent_class->set_header ((CamelMedium *)mime_part, "Content-MD5", md5);
}
const gchar *
camel_mime_part_get_content_MD5 (CamelMimePart *mime_part)
{
return mime_part->content_MD5;
}
/* **** Content-Transfer-Encoding: */
void
camel_mime_part_set_encoding (CamelMimePart *mime_part,
CamelMimePartEncodingType encoding)
{
const char *text;
mime_part->encoding = encoding;
text = camel_mime_part_encoding_to_string (encoding);
if (text[0])
text = g_strdup(text);
else
text = NULL;
parent_class->set_header ((CamelMedium *)mime_part, "Content-Transfer-Encoding", text);
}
const CamelMimePartEncodingType
camel_mime_part_get_encoding (CamelMimePart *mime_part)
{
return mime_part->encoding;
}
/* FIXME: do something with this stuff ... */
void
camel_mime_part_set_content_languages (CamelMimePart *mime_part, GList *content_languages)
{
if (mime_part->content_languages) string_list_free (mime_part->content_languages);
mime_part->content_languages = content_languages;
/* FIXME: translate to a header and set it */
}
const GList *
camel_mime_part_get_content_languages (CamelMimePart *mime_part)
{
return mime_part->content_languages;
}
/* **** */
/* **** Content-Type: */
void
camel_mime_part_set_content_type (CamelMimePart *mime_part, gchar *content_type)
{
/* FIXME: need a way to specify content-type parameters without putting them
in a string ... */
gmime_content_field_construct_from_string (mime_part->content_type, content_type);
parent_class->set_header ((CamelMedium *)mime_part, "Content-Type", content_type);
}
GMimeContentField *
camel_mime_part_get_content_type (CamelMimePart *mime_part)
{
return mime_part->content_type;
}
/*********/
static void
my_set_content_object (CamelMedium *medium, CamelDataWrapper *content)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
GMimeContentField *object_content_field;
parent_class->set_content_object (medium, content);
object_content_field = camel_data_wrapper_get_mime_type_field (content);
if (mime_part->content_type && (mime_part->content_type != object_content_field)) {
char *txt;
gmime_content_field_unref (mime_part->content_type);
txt = header_content_type_format(object_content_field?object_content_field->content_type:NULL);
parent_class->set_header ((CamelMedium *)mime_part, "Content-Type", txt);
}
mime_part->content_type = object_content_field;
gmime_content_field_ref (object_content_field);
}
static CamelDataWrapper *
my_get_content_object (CamelMedium *medium)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
CamelStream *stream;
CamelStream *decoded_stream;
CamelMimeFilter *mf = NULL;
d(printf("getting content object? for %p\n", medium));
if (!medium->content ) {
stream = mime_part->content_input_stream;
decoded_stream = stream;
g_warning("No content object, this old code is probably going to crash ...");
switch (mime_part->encoding) {
case CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE:
mf = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_QP_DEC);
break;
case CAMEL_MIME_PART_ENCODING_BASE64:
mf = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_BASE64_DEC);
break;
default:
break;
}
if (mf) {
decoded_stream = (CamelStream *)camel_stream_filter_new_with_stream (stream);
camel_stream_filter_add((CamelStreamFilter *)decoded_stream, mf);
gtk_object_unref((GtkObject *)mf);
}
camel_mime_part_construct_content_from_stream (mime_part, decoded_stream);
}
return parent_class->get_content_object (medium);
}
/* **** */
/**********************************************************************/
#ifdef WHPT
#warning : WHPT is already defined !!!!!!
#endif
#define WHPT gmime_write_header_pair_to_stream
static void
my_write_content_to_stream (CamelMimePart *mime_part, CamelStream *stream)
{
CamelMedium *medium;
CamelStream *wrapper_stream;
CamelStream *stream_encode;
CamelMimeFilter *mf = NULL;
CamelDataWrapper *content;
g_assert (mime_part);
medium = CAMEL_MEDIUM (mime_part);
content = medium->content;
if (!content) {
content = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
if (!content)
return;
}
switch (mime_part->encoding) {
case CAMEL_MIME_PART_ENCODING_DEFAULT:
case CAMEL_MIME_PART_ENCODING_7BIT:
case CAMEL_MIME_PART_ENCODING_8BIT:
camel_data_wrapper_write_to_stream (content, stream);
break;
case CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE:
mf = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_QP_ENC);
break;
case CAMEL_MIME_PART_ENCODING_BASE64:
mf = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_BASE64_ENC);
break;
default:
camel_data_wrapper_write_to_stream (content, stream);
g_warning ("Encoding type `%s' not supported.",
camel_mime_part_encoding_to_string
(mime_part->encoding));
}
if (mf) {
/* encode the data wrapper output stream in the filtered encoding */
wrapper_stream = camel_data_wrapper_get_output_stream (content);
camel_stream_reset (wrapper_stream);
stream_encode = (CamelStream *)camel_stream_filter_new_with_stream (wrapper_stream);
camel_stream_filter_add((CamelStreamFilter *)stream_encode, mf);
/* ... and write it to the output stream in a blocking way */
camel_stream_write_to_stream (stream_encode, stream);
/* now free the intermediate b64 stream */
gtk_object_unref (GTK_OBJECT (stream_encode));
gtk_object_unref((GtkObject *)mf);
}
}
/* FIXME: this is just totally broken broken broken broken */
static void
my_write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelMimePart *mp = CAMEL_MIME_PART (data_wrapper);
CamelMedium *medium = CAMEL_MEDIUM (data_wrapper);
d(printf("mime_part::write_to_stream\n"));
#warning This class should NOT BE WRITING the headers out
if (medium->headers) {
struct _header_raw *h = medium->headers;
while (h) {
camel_stream_write_strings (stream, h->name, isspace(h->value[0])?":":": ", h->value, "\n", NULL);
h = h->next;
}
}
/* FIXME: something needs to be done about this ... */
gmime_write_header_with_glist_to_stream (stream, "Content-Language", mp->content_languages,", ");
camel_stream_write_string(stream,"\n");
#if 1
{
CamelDataWrapper *content = camel_medium_get_content_object (CAMEL_MEDIUM (data_wrapper));
if (content) {
camel_data_wrapper_write_to_stream(content, stream);
} else {
g_warning("No content for data wrapper");
}
}
#else
((CamelDataWrapperClass *)parent_class)->write_to_stream (data_wrapper, stream);
#endif
/*my_write_content_to_stream (mp, stream);*/
}
static void
my_construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (data_wrapper);
camel_mime_part_construct_headers_from_stream (mime_part, stream);
camel_mime_part_store_stream_in_buffer (mime_part, stream);
}
/* FIXME: this should be in another file ... */
/* This replaces the data wrapper repository ... and/or could be replaced by it? */
static void
camel_mime_part_construct_content(CamelDataWrapper *dw, CamelMimeParser *mp)
{
CamelDataWrapper *content = NULL;
int state;
switch ((state = camel_mime_parser_state(mp))) {
case HSCAN_HEADER:
d(printf("Creating body part\n"));
content = (CamelDataWrapper *)camel_simple_data_wrapper_new();
break;
case HSCAN_MESSAGE:
d(printf("Creating message part\n"));
content = (CamelDataWrapper *)camel_mime_message_new();
break;
case HSCAN_MULTIPART:
d(printf("Creating multi-part\n"));
content = (CamelDataWrapper *)camel_multipart_new();
break;
default:
g_warning("Invalid state encountered???: %d", camel_mime_parser_state(mp));
}
if (content) {
camel_data_wrapper_construct_from_parser(content, mp);
#warning there just has got to be a better way ... to transfer the mime-type to the datawrapper
/* would you believe you have to set this BEFORE you set the content object??? oh my god !!!! */
camel_data_wrapper_set_mime_type_field (content,
camel_mime_part_get_content_type ((CamelMimePart *)dw));
camel_medium_set_content_object((CamelMedium *)dw, content);
}
/* this should probably go into camel-mime-message::construct_from_parser */
if (state == HSCAN_MESSAGE) {
char *buf;
int len;
if (camel_mime_parser_step(mp, &buf, &len) != HSCAN_MESSAGE_END) {
g_warning("Bad parser state: Expecing MESSAGE_EOF, got: %d", camel_mime_parser_state(mp));
camel_mime_parser_unstep(mp);
}
}
}
/* mime_part */
static void
construct_from_parser(CamelDataWrapper *dw, CamelMimeParser *mp)
{
struct _header_raw *headers;
char *buf;
int len;
d(printf("constructing mime-part\n"));
switch (camel_mime_parser_step(mp, &buf, &len)) {
case HSCAN_HEADER:
case HSCAN_MESSAGE:
case HSCAN_MULTIPART:
/* we have the headers, build them into 'us' */
headers = camel_mime_parser_headers_raw(mp);
while (headers) {
camel_medium_add_header((CamelMedium *)dw, headers->name, headers->value);
headers = headers->next;
}
camel_mime_part_construct_content(dw, mp);
break;
default:
g_warning("Invalid state encountered???: %d", camel_mime_parser_state(mp));
}
}
static void
my_set_input_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (data_wrapper);
CamelSeekableStream *seekable_stream;
guint32 content_stream_inf_bound;
g_assert (CAMEL_IS_SEEKABLE_STREAM (stream));
seekable_stream = CAMEL_SEEKABLE_STREAM (stream);
/* call parent class implementation */
CAMEL_DATA_WRAPPER_CLASS (parent_class)->set_input_stream (data_wrapper, stream);
camel_mime_part_construct_headers_from_stream (mime_part, stream);
/* set the input stream for the content object */
content_stream_inf_bound = camel_seekable_stream_get_current_position (seekable_stream);
if (mime_part->content_input_stream)
gtk_object_unref (GTK_OBJECT (mime_part->content_input_stream));
mime_part->content_input_stream = camel_seekable_substream_new_with_seekable_stream_and_bounds (seekable_stream,
content_stream_inf_bound,
-1);
gtk_object_ref (GTK_OBJECT (mime_part->content_input_stream));
gtk_object_sink (GTK_OBJECT (mime_part->content_input_stream));
}
static CamelStream *
my_get_output_stream (CamelDataWrapper *data_wrapper)
{
CamelMimePart *mime_part = CAMEL_MIME_PART (data_wrapper);
CamelStream *input_stream;
CamelStream *output_stream;
/* ** FIXME : bogus bogus bogus - test test test */
return NULL;
/*
* For the moment, we do not use this routine on
* mime parts. Maybe later.
*/
input_stream = camel_data_wrapper_get_input_stream (data_wrapper);
if (input_stream == NULL)
return NULL;
switch (mime_part->encoding) {
case CAMEL_MIME_PART_ENCODING_DEFAULT:
case CAMEL_MIME_PART_ENCODING_7BIT:
case CAMEL_MIME_PART_ENCODING_8BIT:
return input_stream;
case CAMEL_MIME_PART_ENCODING_BASE64:
return output_stream;
case CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE:
return input_stream;
default:
break;
}
return NULL;
}
const gchar *
camel_mime_part_encoding_to_string (CamelMimePartEncodingType encoding)
{
switch (encoding) {
case CAMEL_MIME_PART_ENCODING_DEFAULT:
case CAMEL_MIME_PART_ENCODING_7BIT:
return "7bit";
case CAMEL_MIME_PART_ENCODING_8BIT:
return "8bit";
case CAMEL_MIME_PART_ENCODING_BASE64:
return "base64";
case CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE:
return "quoted-printable";
default:
break;
}
return "";
}
/* FIXME I am not sure this is the correct way to do this. */
CamelMimePartEncodingType
camel_mime_part_encoding_from_string (const gchar *string)
{
if (string == NULL)
return CAMEL_MIME_PART_ENCODING_DEFAULT;
else if (strcasecmp (string, "7bit") == 0)
return CAMEL_MIME_PART_ENCODING_7BIT;
else if (strcasecmp (string, "8bit") == 0)
return CAMEL_MIME_PART_ENCODING_8BIT;
else if (strcasecmp (string, "base64") == 0)
return CAMEL_MIME_PART_ENCODING_BASE64;
else if (strcasecmp (string, "quoted-printable") == 0)
return CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE;
else
/* FIXME? Spit a warning? */
return CAMEL_MIME_PART_ENCODING_DEFAULT;
}
/******************************/
/** Misc utility functions **/
/**
* camel_mime_part_set_text: set the content to be some text
* @camel_mime_part: Mime part
* @text: the text
*
* Utility function used to set the content of a mime part object to
* be a text string. When @text is NULL, this routine can be used as
* a way to remove old text content.
*
**/
void
camel_mime_part_set_text (CamelMimePart *camel_mime_part, const gchar *text)
{
CamelSimpleDataWrapper *simple_data_wrapper;
CamelMedium *medium = CAMEL_MEDIUM (camel_mime_part);
if (medium->content)
gtk_object_unref (GTK_OBJECT (medium->content));
if (text) {
simple_data_wrapper = camel_simple_data_wrapper_new ();
camel_data_wrapper_set_mime_type (CAMEL_DATA_WRAPPER (simple_data_wrapper), "text/plain");
camel_simple_data_wrapper_set_text ( simple_data_wrapper, text);
camel_medium_set_content_object ( CAMEL_MEDIUM (camel_mime_part), CAMEL_DATA_WRAPPER (simple_data_wrapper));
gtk_object_unref (GTK_OBJECT (simple_data_wrapper));
} else medium->content = NULL;
}