notmuch/show-message.c

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/* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2009 Carl Worth
* Copyright © 2009 Keith Packard
*
* 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 3 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, see http://www.gnu.org/licenses/ .
*
* Authors: Carl Worth <cworth@cworth.org>
* Keith Packard <keithp@keithp.com>
*/
#include "notmuch-client.h"
typedef struct show_message_state {
int part_count;
} show_message_state_t;
static void
show_message_part (mime_node_t *node,
show_message_state_t *state,
const notmuch_show_format_t *format,
int first)
{
/* Formatters expect the envelope for embedded message parts */
GMimeObject *part = node->envelope_part ?
GMIME_OBJECT (node->envelope_part) : node->part;
int i;
if (!first)
fputs (format->part_sep, stdout);
/* Format this part */
if (format->part_start)
format->part_start (part, &(state->part_count));
if (node->decrypt_attempted && format->part_encstatus)
format->part_encstatus (node->decrypt_success);
if (node->verify_attempted && format->part_sigstatus)
format->part_sigstatus (node->sig_validity);
format->part_content (part);
if (node->envelope_part) {
fputs (format->header_start, stdout);
if (format->header_message_part)
format->header_message_part (GMIME_MESSAGE (node->part));
fputs (format->header_end, stdout);
fputs (format->body_start, stdout);
}
/* Recurse over the children */
state->part_count += 1;
for (i = 0; i < node->nchildren; i++)
show_message_part (mime_node_child (node, i), state, format, i == 0);
/* Finish this part */
if (node->envelope_part)
fputs (format->body_end, stdout);
if (format->part_end)
format->part_end (part);
}
notmuch_status_t
show_message_body (notmuch_message_t *message,
const notmuch_show_format_t *format,
notmuch_show_params_t *params)
{
notmuch_status_t ret;
show_message_state_t state;
mime_node_t *root, *part;
ret = mime_node_open (NULL, message, params->cryptoctx, params->decrypt,
&root);
if (ret)
return ret;
/* The caller of show_message_body has already handled the
* outermost envelope, so skip it. */
state.part_count = MAX (params->part, 1);
part = mime_node_seek_dfs (root, state.part_count);
if (part)
show_message_part (part, &state, format, TRUE);
talloc_free (root);
return NOTMUCH_STATUS_SUCCESS;
}