mirror of
https://git.notmuchmail.org/git/notmuch
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d92146d3a6
Future improvements (eg. crypto support) will require adding new part header. By breaking up the output of part headers from the output of part content, we can easily out new part headers with new formatting functions.
140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
/* notmuch - Not much of an email program, (just index and search)
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*
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* Copyright © 2009 Carl Worth
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* Copyright © 2009 Keith Packard
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/ .
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*
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* Authors: Carl Worth <cworth@cworth.org>
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* Keith Packard <keithp@keithp.com>
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*/
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#include "notmuch-client.h"
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typedef struct show_message_state {
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int part_count;
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int in_zone;
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} show_message_state_t;
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static void
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show_message_part (GMimeObject *part,
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show_message_state_t *state,
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const notmuch_show_format_t *format,
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notmuch_show_params_t *params,
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int first)
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{
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int selected;
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state->part_count += 1;
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if (! (GMIME_IS_PART (part) || GMIME_IS_MULTIPART (part) || GMIME_IS_MESSAGE_PART (part))) {
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fprintf (stderr, "Warning: Not displaying unknown mime part: %s.\n",
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g_type_name (G_OBJECT_TYPE (part)));
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return;
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}
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selected = (params->part <= 0 || state->part_count == params->part);
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if (selected || state->in_zone) {
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if (!first && (params->part <= 0 || state->in_zone))
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fputs (format->part_sep, stdout);
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if (format->part_start)
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format->part_start (part, &(state->part_count));
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format->part_content (part);
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}
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if (GMIME_IS_MULTIPART (part)) {
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GMimeMultipart *multipart = GMIME_MULTIPART (part);
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int i;
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if (selected)
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state->in_zone = 1;
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for (i = 0; i < g_mime_multipart_get_count (multipart); i++) {
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show_message_part (g_mime_multipart_get_part (multipart, i),
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state, format, params, i == 0);
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}
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if (selected)
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state->in_zone = 0;
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} else if (GMIME_IS_MESSAGE_PART (part)) {
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GMimeMessage *mime_message = g_mime_message_part_get_message (GMIME_MESSAGE_PART (part));
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if (selected)
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state->in_zone = 1;
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show_message_part (g_mime_message_get_mime_part (mime_message),
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state, format, params, TRUE);
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if (selected)
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state->in_zone = 0;
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}
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if (selected || state->in_zone) {
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if (format->part_end)
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format->part_end (part);
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}
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}
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notmuch_status_t
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show_message_body (const char *filename,
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const notmuch_show_format_t *format,
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notmuch_show_params_t *params)
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{
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GMimeStream *stream = NULL;
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GMimeParser *parser = NULL;
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GMimeMessage *mime_message = NULL;
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notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
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FILE *file = NULL;
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show_message_state_t state;
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state.part_count = 0;
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state.in_zone = 0;
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file = fopen (filename, "r");
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if (! file) {
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fprintf (stderr, "Error opening %s: %s\n", filename, strerror (errno));
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ret = NOTMUCH_STATUS_FILE_ERROR;
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goto DONE;
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}
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stream = g_mime_stream_file_new (file);
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g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream), FALSE);
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parser = g_mime_parser_new_with_stream (stream);
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mime_message = g_mime_parser_construct_message (parser);
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show_message_part (g_mime_message_get_mime_part (mime_message),
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&state,
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format,
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params,
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TRUE);
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DONE:
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if (mime_message)
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g_object_unref (mime_message);
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if (parser)
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g_object_unref (parser);
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if (stream)
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g_object_unref (stream);
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if (file)
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fclose (file);
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return ret;
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}
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