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Diffstat (limited to 'camel/camel-simple-data-wrapper.c')
-rw-r--r-- | camel/camel-simple-data-wrapper.c | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/camel/camel-simple-data-wrapper.c b/camel/camel-simple-data-wrapper.c deleted file mode 100644 index d368a4ddfd..0000000000 --- a/camel/camel-simple-data-wrapper.c +++ /dev/null @@ -1,358 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-simple-data-wrapper.c : simple implementation of a data wrapper */ -/* store the data in a glib byte array */ - -/* - * - * 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 "camel-simple-data-wrapper.h" -#include "camel-simple-data-wrapper-stream.h" -#include <camel/camel-stream-mem.h> -#include "camel-mime-utils.h" -#include <camel/camel-mime-filter.h> -#include <camel/camel-mime-filter-basic.h> -#include <camel/camel-mime-filter-charset.h> -#include <camel/camel-stream-filter.h> -#include <camel/camel-seekable-substream.h> - -#include <string.h> - -#define d(x) - -static CamelDataWrapperClass *parent_class = NULL; - -/* Returns the class for a CamelDataWrapper */ -#define CSDW_CLASS(so) CAMEL_SIMPLE_DATA_WRAPPER_CLASS (GTK_OBJECT (so)->klass) - -static void construct_from_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream); -static void write_to_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream); -static void finalize (GtkObject *object); -static CamelStream * get_output_stream (CamelDataWrapper *data_wrapper); -static void construct_from_parser(CamelDataWrapper *dw, CamelMimeParser *mp); - - - -static void -camel_simple_data_wrapper_class_init (CamelSimpleDataWrapperClass *camel_simple_data_wrapper_class) -{ - CamelDataWrapperClass *camel_data_wrapper_class = - CAMEL_DATA_WRAPPER_CLASS (camel_simple_data_wrapper_class); - GtkObjectClass *gtk_object_class = - GTK_OBJECT_CLASS (camel_data_wrapper_class); - - parent_class = gtk_type_class (camel_data_wrapper_get_type ()); - - - /* virtual method overload */ - camel_data_wrapper_class->write_to_stream = write_to_stream; - camel_data_wrapper_class->construct_from_stream = construct_from_stream; - camel_data_wrapper_class->get_output_stream = get_output_stream; - - camel_data_wrapper_class->construct_from_parser = construct_from_parser; - - gtk_object_class->finalize = finalize; -} - - -static void -camel_simple_data_wrapper_init (CamelSimpleDataWrapper *wrapper) -{ - wrapper->byte_array = NULL; - wrapper->has_byte_array_stream = FALSE; -} - - -GtkType -camel_simple_data_wrapper_get_type (void) -{ - static GtkType camel_simple_data_wrapper_type = 0; - - if (!camel_simple_data_wrapper_type) { - GtkTypeInfo camel_simple_data_wrapper_info = - { - "CamelSimpleDataWrapper", - sizeof (CamelSimpleDataWrapper), - sizeof (CamelSimpleDataWrapperClass), - (GtkClassInitFunc) camel_simple_data_wrapper_class_init, - (GtkObjectInitFunc) camel_simple_data_wrapper_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - camel_simple_data_wrapper_type = - gtk_type_unique (camel_data_wrapper_get_type (), - &camel_simple_data_wrapper_info); - } - - return camel_simple_data_wrapper_type; -} - - -static void -finalize (GtkObject *object) -{ - CamelSimpleDataWrapper *simple_data_wrapper = - CAMEL_SIMPLE_DATA_WRAPPER (object); - - if (simple_data_wrapper->byte_array) - g_byte_array_free (simple_data_wrapper->byte_array, TRUE); - - GTK_OBJECT_CLASS (parent_class)->finalize (object); -} - - -/** - * camel_simple_data_wrapper_new: - * - * Return value: a new CamelSimpleDataWrapper object - **/ -CamelSimpleDataWrapper * -camel_simple_data_wrapper_new (void) -{ - return (CamelSimpleDataWrapper *) - gtk_type_new (CAMEL_SIMPLE_DATA_WRAPPER_TYPE); -} - - -static void -write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelSimpleDataWrapper *simple_data_wrapper = - CAMEL_SIMPLE_DATA_WRAPPER (data_wrapper); - GByteArray *array; - - array = simple_data_wrapper->byte_array; - if ( array && array->len) - camel_stream_write (stream, (gchar *)array->data, array->len); - else - parent_class->write_to_stream (data_wrapper, stream); -} - - -#define CMSDW_TMP_BUF_SIZE 100 -static void -construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelSimpleDataWrapper *simple_data_wrapper = - CAMEL_SIMPLE_DATA_WRAPPER (data_wrapper); - gint nb_bytes_read; - static gchar *tmp_buf; - GByteArray *array; - - if (!tmp_buf) - tmp_buf = g_new (gchar, CMSDW_TMP_BUF_SIZE); - - array = simple_data_wrapper->byte_array; - if (array) - g_byte_array_free (array, FALSE); - - array = g_byte_array_new (); - simple_data_wrapper->byte_array = array; - nb_bytes_read = camel_stream_read (stream, tmp_buf, CMSDW_TMP_BUF_SIZE); - while (nb_bytes_read > 0) { - if (nb_bytes_read > 0) - g_byte_array_append (array, tmp_buf, nb_bytes_read); - nb_bytes_read = camel_stream_read (stream, tmp_buf, - CMSDW_TMP_BUF_SIZE); - }; -} - - - - -/** - * camel_simple_data_wrapper_set_text: set some text as data wrapper content - * @simple_data_wrapper: SimpleDataWrapper object - * @text: the text to use - * - * Utility routine used to set up the content of a SimpleDataWrapper object - * to be a character string. - **/ -void -camel_simple_data_wrapper_set_text (CamelSimpleDataWrapper *simple_data_wrapper, const gchar *text) -{ - GByteArray *array; - - array = simple_data_wrapper->byte_array; - if (array) - g_byte_array_free (array, FALSE); - - array = g_byte_array_new (); - simple_data_wrapper->byte_array = array; - - g_byte_array_append (array, text, strlen (text)); -} - - -static CamelStream * -get_output_stream (CamelDataWrapper *data_wrapper) -{ - CamelSimpleDataWrapper *simple_data_wrapper; - CamelStream *output_stream = NULL; - - simple_data_wrapper = CAMEL_SIMPLE_DATA_WRAPPER (data_wrapper); - - if (simple_data_wrapper->byte_array && - !(simple_data_wrapper->has_byte_array_stream)) { - output_stream = camel_simple_data_wrapper_stream_new (simple_data_wrapper); - camel_data_wrapper_set_output_stream (data_wrapper, output_stream); - } - - return parent_class->get_output_stream (data_wrapper); -} - -/* simple data wrapper */ -static void -construct_from_parser(CamelDataWrapper *dw, CamelMimeParser *mp) -{ - GByteArray *buffer; - char *buf; - int len; - off_t start, end; - CamelMimeFilter *fdec = NULL, *fch = NULL; - struct _header_content_type *ct; - int decid=-1, chrid=-1, cache=FALSE; - CamelStream *source; - char *encoding; - - d(printf("constructing simple-data-wrapper\n")); - - /* Ok, try and be smart. If we're storing a small message (typical) convert it, - and store it in memory as we parse it ... if not, throw away the conversion - and scan till the end ... */ - - /* if we can't seek, dont have a stream/etc, then we must cache it */ - source = camel_mime_parser_stream(mp); - gtk_object_ref((GtkObject *)source); - if (source == NULL - || !CAMEL_IS_SEEKABLE_STREAM(source)) - cache = TRUE; - - /* first, work out conversion, if any, required, we dont care about what we dont know about */ - encoding = header_content_encoding_decode(camel_mime_parser_header(mp, "content-transfer-encoding", NULL)); - if (encoding) { - if (!strcasecmp(encoding, "base64")) { - d(printf("Adding base64 decoder ...\n")); - fdec = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_BASE64_DEC); - decid = camel_mime_parser_filter_add(mp, fdec); - } else if (!strcasecmp(encoding, "quoted-printable")) { - d(printf("Adding quoted-printable decoder ...\n")); - fdec = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_QP_DEC); - decid = camel_mime_parser_filter_add(mp, fdec); - } - g_free(encoding); - } - - /* if we're doing text, then see if we have to convert it to UTF8 as well */ - ct = camel_mime_parser_content_type(mp); - if (header_content_type_is(ct, "text", "*")) { - const char *charset = header_content_type_param(ct, "charset"); - if (charset!=NULL - && !(strcasecmp(charset, "us-ascii")==0 - || strcasecmp(charset, "utf-8")==0)) { - d(printf("Adding conversion filter from %s to utf-8\n", charset)); - fch = (CamelMimeFilter *)camel_mime_filter_charset_new_convert(charset, "utf-8"); - if (fch) { - chrid = camel_mime_parser_filter_add(mp, (CamelMimeFilter *)fch); - } else { - g_warning("Cannot convert '%s' to 'utf-8', message display may be corrupt", charset); - } - } - - } - - buffer = g_byte_array_new(); - - /* write to a memory buffer or something??? */ - start = camel_mime_parser_tell(mp); - while ( camel_mime_parser_step(mp, &buf, &len) != HSCAN_BODY_END ) { - if (buffer) { - if (buffer->len > 20480 && !cache) { - /* is this a 'big' message? Yes? We dont want to convert it all then.*/ - camel_mime_parser_filter_remove(mp, decid); - camel_mime_parser_filter_remove(mp, chrid); - decid = -1; - chrid = -1; - g_byte_array_free(buffer, TRUE); - buffer = NULL; - } else { - g_byte_array_append(buffer, buf, len); - } - } - } - - if (buffer) { - CamelStream *mem; - d(printf("Small message part, kept in memory!\n")); - mem = camel_stream_mem_new_with_byte_array(buffer, CAMEL_STREAM_MEM_READ); - camel_data_wrapper_set_output_stream (dw, mem); - } else { - CamelSeekableSubstream *sub; - CamelStreamFilter *filter; - - d(printf("Big message part, left on disk ...\n")); - - end = camel_mime_parser_tell(mp); - sub = (CamelSeekableSubstream *)camel_seekable_substream_new_with_seekable_stream_and_bounds ((CamelSeekableStream *)source, start, end); - if (fdec || fch) { - filter = camel_stream_filter_new_with_stream((CamelStream *)sub); - if (fdec) { - camel_mime_filter_reset(fdec); - camel_stream_filter_add(filter, fdec); - } - if (fch) { - camel_mime_filter_reset(fdec); - camel_stream_filter_add(filter, fch); - } - camel_data_wrapper_set_output_stream (dw, (CamelStream *)filter); - } else { - camel_data_wrapper_set_output_stream (dw, (CamelStream *)sub); - } - } - - camel_mime_parser_filter_remove(mp, decid); - camel_mime_parser_filter_remove(mp, chrid); - - if (fdec) - gtk_object_unref((GtkObject *)fdec); - if (fch) - gtk_object_unref((GtkObject *)fch); - gtk_object_unref((GtkObject *)source); - - /* FIXME: lookup in headers for content-type/encoding */ -#if 0 - /* trivial, mem-based ... */ - buffer = g_byte_array_new(); - start = camel_mime_parser_tell(mp); - while ( camel_mime_parser_step(mp, &buf, &len) != HSCAN_BODY_END ) { - g_byte_array_append(buffer, buf, len); - } - end = camel_mime_parser_tell(mp); - mem = camel_stream_mem_new_with_byte_array(buffer, CAMEL_STREAM_MEM_READ); - camel_data_wrapper_set_output_stream (dw, mem); -#endif -} |