mirror of
https://git.notmuchmail.org/git/notmuch
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69408c35ff
Add new format text0, which is otherwise the same as text, but use the null character as separator instead of the newline character. This is similar to find(1) -print0 option, and works together with the xargs(1) -0 option.
441 lines
11 KiB
C
441 lines
11 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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*
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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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* Author: Carl Worth <cworth@cworth.org>
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*/
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#include "notmuch-client.h"
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#include "sprinter.h"
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typedef enum {
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OUTPUT_SUMMARY,
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OUTPUT_THREADS,
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OUTPUT_MESSAGES,
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OUTPUT_FILES,
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OUTPUT_TAGS
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} output_t;
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static char *
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sanitize_string (const void *ctx, const char *str)
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{
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char *out, *loop;
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if (NULL == str)
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return NULL;
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loop = out = talloc_strdup (ctx, str);
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for (; *loop; loop++) {
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if ((unsigned char)(*loop) < 32)
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*loop = '?';
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}
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return out;
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}
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static int
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do_search_threads (sprinter_t *format,
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notmuch_query_t *query,
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notmuch_sort_t sort,
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output_t output,
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int offset,
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int limit)
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{
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notmuch_thread_t *thread;
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notmuch_threads_t *threads;
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notmuch_tags_t *tags;
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time_t date;
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int i;
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if (offset < 0) {
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offset += notmuch_query_count_threads (query);
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if (offset < 0)
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offset = 0;
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}
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threads = notmuch_query_search_threads (query);
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if (threads == NULL)
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return 1;
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format->begin_list (format);
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for (i = 0;
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notmuch_threads_valid (threads) && (limit < 0 || i < offset + limit);
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notmuch_threads_move_to_next (threads), i++)
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{
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thread = notmuch_threads_get (threads);
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if (i < offset) {
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notmuch_thread_destroy (thread);
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continue;
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}
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if (output == OUTPUT_THREADS) {
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format->set_prefix (format, "thread");
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format->string (format,
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notmuch_thread_get_thread_id (thread));
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format->separator (format);
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} else { /* output == OUTPUT_SUMMARY */
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void *ctx_quote = talloc_new (thread);
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const char *authors = notmuch_thread_get_authors (thread);
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const char *subject = notmuch_thread_get_subject (thread);
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const char *thread_id = notmuch_thread_get_thread_id (thread);
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int matched = notmuch_thread_get_matched_messages (thread);
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int total = notmuch_thread_get_total_messages (thread);
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const char *relative_date = NULL;
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notmuch_bool_t first_tag = TRUE;
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format->begin_map (format);
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if (sort == NOTMUCH_SORT_OLDEST_FIRST)
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date = notmuch_thread_get_oldest_date (thread);
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else
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date = notmuch_thread_get_newest_date (thread);
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relative_date = notmuch_time_relative_date (ctx_quote, date);
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if (format->is_text_printer) {
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/* Special case for the text formatter */
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printf ("thread:%s %12s [%d/%d] %s; %s (",
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thread_id,
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relative_date,
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matched,
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total,
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sanitize_string (ctx_quote, authors),
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sanitize_string (ctx_quote, subject));
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} else { /* Structured Output */
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format->map_key (format, "thread");
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format->string (format, thread_id);
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format->map_key (format, "timestamp");
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format->integer (format, date);
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format->map_key (format, "date_relative");
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format->string (format, relative_date);
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format->map_key (format, "matched");
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format->integer (format, matched);
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format->map_key (format, "total");
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format->integer (format, total);
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format->map_key (format, "authors");
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format->string (format, authors);
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format->map_key (format, "subject");
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format->string (format, subject);
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}
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talloc_free (ctx_quote);
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format->map_key (format, "tags");
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format->begin_list (format);
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for (tags = notmuch_thread_get_tags (thread);
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notmuch_tags_valid (tags);
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notmuch_tags_move_to_next (tags))
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{
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const char *tag = notmuch_tags_get (tags);
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if (format->is_text_printer) {
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/* Special case for the text formatter */
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if (first_tag)
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first_tag = FALSE;
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else
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fputc (' ', stdout);
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fputs (tag, stdout);
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} else { /* Structured Output */
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format->string (format, tag);
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}
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}
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if (format->is_text_printer)
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printf (")");
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format->end (format);
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format->end (format);
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format->separator (format);
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}
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notmuch_thread_destroy (thread);
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}
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format->end (format);
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return 0;
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}
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static int
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do_search_messages (sprinter_t *format,
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notmuch_query_t *query,
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output_t output,
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int offset,
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int limit)
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{
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notmuch_message_t *message;
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notmuch_messages_t *messages;
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notmuch_filenames_t *filenames;
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int i;
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if (offset < 0) {
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offset += notmuch_query_count_messages (query);
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if (offset < 0)
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offset = 0;
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}
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messages = notmuch_query_search_messages (query);
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if (messages == NULL)
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return 1;
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format->begin_list (format);
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for (i = 0;
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notmuch_messages_valid (messages) && (limit < 0 || i < offset + limit);
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notmuch_messages_move_to_next (messages), i++)
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{
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if (i < offset)
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continue;
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message = notmuch_messages_get (messages);
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if (output == OUTPUT_FILES) {
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filenames = notmuch_message_get_filenames (message);
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for (;
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notmuch_filenames_valid (filenames);
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notmuch_filenames_move_to_next (filenames))
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{
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format->string (format, notmuch_filenames_get (filenames));
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format->separator (format);
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}
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notmuch_filenames_destroy( filenames );
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} else { /* output == OUTPUT_MESSAGES */
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format->set_prefix (format, "id");
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format->string (format,
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notmuch_message_get_message_id (message));
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format->separator (format);
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}
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notmuch_message_destroy (message);
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}
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notmuch_messages_destroy (messages);
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format->end (format);
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return 0;
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}
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static int
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do_search_tags (notmuch_database_t *notmuch,
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sprinter_t *format,
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notmuch_query_t *query)
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{
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notmuch_messages_t *messages = NULL;
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notmuch_tags_t *tags;
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const char *tag;
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/* should the following only special case if no excluded terms
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* specified? */
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/* Special-case query of "*" for better performance. */
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if (strcmp (notmuch_query_get_query_string (query), "*") == 0) {
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tags = notmuch_database_get_all_tags (notmuch);
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} else {
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messages = notmuch_query_search_messages (query);
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if (messages == NULL)
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return 1;
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tags = notmuch_messages_collect_tags (messages);
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}
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if (tags == NULL)
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return 1;
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format->begin_list (format);
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for (;
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notmuch_tags_valid (tags);
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notmuch_tags_move_to_next (tags))
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{
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tag = notmuch_tags_get (tags);
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format->string (format, tag);
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format->separator (format);
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}
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notmuch_tags_destroy (tags);
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if (messages)
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notmuch_messages_destroy (messages);
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format->end (format);
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return 0;
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}
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enum {
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EXCLUDE_TRUE,
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EXCLUDE_FALSE,
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EXCLUDE_FLAG,
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};
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int
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notmuch_search_command (void *ctx, int argc, char *argv[])
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{
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notmuch_config_t *config;
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notmuch_database_t *notmuch;
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notmuch_query_t *query;
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char *query_str;
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notmuch_sort_t sort = NOTMUCH_SORT_NEWEST_FIRST;
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sprinter_t *format = NULL;
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int opt_index, ret;
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output_t output = OUTPUT_SUMMARY;
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int offset = 0;
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int limit = -1; /* unlimited */
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int exclude = EXCLUDE_TRUE;
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unsigned int i;
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enum {
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NOTMUCH_FORMAT_JSON,
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NOTMUCH_FORMAT_TEXT,
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NOTMUCH_FORMAT_TEXT0,
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NOTMUCH_FORMAT_SEXP
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} format_sel = NOTMUCH_FORMAT_TEXT;
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notmuch_opt_desc_t options[] = {
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{ NOTMUCH_OPT_KEYWORD, &sort, "sort", 's',
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(notmuch_keyword_t []){ { "oldest-first", NOTMUCH_SORT_OLDEST_FIRST },
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{ "newest-first", NOTMUCH_SORT_NEWEST_FIRST },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_KEYWORD, &format_sel, "format", 'f',
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(notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON },
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{ "sexp", NOTMUCH_FORMAT_SEXP },
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{ "text", NOTMUCH_FORMAT_TEXT },
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{ "text0", NOTMUCH_FORMAT_TEXT0 },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_INT, ¬much_format_version, "format-version", 0, 0 },
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{ NOTMUCH_OPT_KEYWORD, &output, "output", 'o',
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(notmuch_keyword_t []){ { "summary", OUTPUT_SUMMARY },
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{ "threads", OUTPUT_THREADS },
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{ "messages", OUTPUT_MESSAGES },
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{ "files", OUTPUT_FILES },
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{ "tags", OUTPUT_TAGS },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
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(notmuch_keyword_t []){ { "true", EXCLUDE_TRUE },
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{ "false", EXCLUDE_FALSE },
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{ "flag", EXCLUDE_FLAG },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_INT, &offset, "offset", 'O', 0 },
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{ NOTMUCH_OPT_INT, &limit, "limit", 'L', 0 },
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{ 0, 0, 0, 0, 0 }
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};
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opt_index = parse_arguments (argc, argv, options, 1);
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if (opt_index < 0) {
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return 1;
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}
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switch (format_sel) {
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case NOTMUCH_FORMAT_TEXT:
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format = sprinter_text_create (ctx, stdout);
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break;
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case NOTMUCH_FORMAT_TEXT0:
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if (output == OUTPUT_SUMMARY) {
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fprintf (stderr, "Error: --format=text0 is not compatible with --output=summary.\n");
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return 1;
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}
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format = sprinter_text0_create (ctx, stdout);
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break;
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case NOTMUCH_FORMAT_JSON:
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format = sprinter_json_create (ctx, stdout);
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break;
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case NOTMUCH_FORMAT_SEXP:
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format = sprinter_sexp_create (ctx, stdout);
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break;
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default:
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/* this should never happen */
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INTERNAL_ERROR("no output format selected");
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}
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notmuch_exit_if_unsupported_format ();
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config = notmuch_config_open (ctx, NULL, NULL);
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if (config == NULL)
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return 1;
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if (notmuch_database_open (notmuch_config_get_database_path (config),
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NOTMUCH_DATABASE_MODE_READ_ONLY, ¬much))
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return 1;
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query_str = query_string_from_args (notmuch, argc-opt_index, argv+opt_index);
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if (query_str == NULL) {
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fprintf (stderr, "Out of memory.\n");
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return 1;
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}
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if (*query_str == '\0') {
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fprintf (stderr, "Error: notmuch search requires at least one search term.\n");
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return 1;
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}
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query = notmuch_query_create (notmuch, query_str);
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if (query == NULL) {
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fprintf (stderr, "Out of memory\n");
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return 1;
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}
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notmuch_query_set_sort (query, sort);
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if (exclude == EXCLUDE_FLAG && output != OUTPUT_SUMMARY) {
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/* If we are not doing summary output there is nowhere to
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* print the excluded flag so fall back on including the
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* excluded messages. */
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fprintf (stderr, "Warning: this output format cannot flag excluded messages.\n");
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exclude = EXCLUDE_FALSE;
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}
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if (exclude == EXCLUDE_TRUE || exclude == EXCLUDE_FLAG) {
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const char **search_exclude_tags;
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size_t search_exclude_tags_length;
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search_exclude_tags = notmuch_config_get_search_exclude_tags
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(config, &search_exclude_tags_length);
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for (i = 0; i < search_exclude_tags_length; i++)
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notmuch_query_add_tag_exclude (query, search_exclude_tags[i]);
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if (exclude == EXCLUDE_FLAG)
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notmuch_query_set_omit_excluded (query, FALSE);
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}
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switch (output) {
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default:
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case OUTPUT_SUMMARY:
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case OUTPUT_THREADS:
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ret = do_search_threads (format, query, sort, output, offset, limit);
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break;
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case OUTPUT_MESSAGES:
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case OUTPUT_FILES:
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ret = do_search_messages (format, query, output, offset, limit);
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break;
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case OUTPUT_TAGS:
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ret = do_search_tags (notmuch, format, query);
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break;
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}
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notmuch_query_destroy (query);
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notmuch_database_destroy (notmuch);
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talloc_free (format);
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return ret;
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}
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