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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/ .
*
* Author: Keith Packard <keithp@keithp.com>
*/
#include "notmuch-client.h"
enum {
OUTPUT_THREADS,
OUTPUT_MESSAGES,
OUTPUT_FILES,
};
/* The following is to allow future options to be added more easily */
enum {
EXCLUDE_TRUE,
EXCLUDE_FALSE,
};
static unsigned int
count_files (notmuch_query_t *query)
{
notmuch_messages_t *messages;
notmuch_message_t *message;
notmuch_filenames_t *filenames;
unsigned int count = 0;
messages = notmuch_query_search_messages (query);
if (messages == NULL)
return 0;
for (;
notmuch_messages_valid (messages);
notmuch_messages_move_to_next (messages)) {
message = notmuch_messages_get (messages);
filenames = notmuch_message_get_filenames (message);
for (;
notmuch_filenames_valid (filenames);
notmuch_filenames_move_to_next (filenames))
count++;
notmuch_filenames_destroy (filenames);
notmuch_message_destroy (message);
}
notmuch_messages_destroy (messages);
return count;
}
static int
print_count (notmuch_database_t *notmuch, const char *query_str,
const char **exclude_tags, size_t exclude_tags_length, int output)
{
notmuch_query_t *query;
size_t i;
query = notmuch_query_create (notmuch, query_str);
if (query == NULL) {
fprintf (stderr, "Out of memory\n");
return 1;
}
for (i = 0; i < exclude_tags_length; i++)
notmuch_query_add_tag_exclude (query, exclude_tags[i]);
switch (output) {
case OUTPUT_MESSAGES:
printf ("%u\n", notmuch_query_count_messages (query));
break;
case OUTPUT_THREADS:
printf ("%u\n", notmuch_query_count_threads (query));
break;
case OUTPUT_FILES:
printf ("%u\n", count_files (query));
break;
}
notmuch_query_destroy (query);
return 0;
}
static int
count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
size_t exclude_tags_length, int output)
{
char *line = NULL;
ssize_t line_len;
size_t line_size;
int ret = 0;
while (!ret && (line_len = getline (&line, &line_size, input)) != -1) {
chomp_newline (line);
ret = print_count (notmuch, line, exclude_tags, exclude_tags_length,
output);
}
if (line)
free (line);
return ret;
}
int
notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
{
notmuch_database_t *notmuch;
char *query_str;
int opt_index;
int output = OUTPUT_MESSAGES;
int exclude = EXCLUDE_TRUE;
const char **search_exclude_tags = NULL;
size_t search_exclude_tags_length = 0;
notmuch_bool_t batch = FALSE;
FILE *input = stdin;
char *input_file_name = NULL;
int ret;
notmuch_opt_desc_t options[] = {
{ NOTMUCH_OPT_KEYWORD, &output, "output", 'o',
(notmuch_keyword_t []){ { "threads", OUTPUT_THREADS },
{ "messages", OUTPUT_MESSAGES },
{ "files", OUTPUT_FILES },
{ 0, 0 } } },
{ NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
(notmuch_keyword_t []){ { "true", EXCLUDE_TRUE },
{ "false", EXCLUDE_FALSE },
{ 0, 0 } } },
{ NOTMUCH_OPT_BOOLEAN, &batch, "batch", 0, 0 },
{ NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
{ 0, 0, 0, 0, 0 }
};
opt_index = parse_arguments (argc, argv, options, 1);
if (opt_index < 0)
return EXIT_FAILURE;
if (input_file_name) {
batch = TRUE;
input = fopen (input_file_name, "r");
if (input == NULL) {
fprintf (stderr, "Error opening %s for reading: %s\n",
input_file_name, strerror (errno));
return EXIT_FAILURE;
}
}
if (batch && opt_index != argc) {
fprintf (stderr, "--batch and query string are not compatible\n");
return EXIT_FAILURE;
}
if (notmuch_database_open (notmuch_config_get_database_path (config),
NOTMUCH_DATABASE_MODE_READ_ONLY, ¬much))
return EXIT_FAILURE;
query_str = query_string_from_args (config, argc-opt_index, argv+opt_index);
if (query_str == NULL) {
fprintf (stderr, "Out of memory.\n");
return EXIT_FAILURE;
}
if (exclude == EXCLUDE_TRUE) {
search_exclude_tags = notmuch_config_get_search_exclude_tags
(config, &search_exclude_tags_length);
}
if (batch)
ret = count_file (notmuch, input, search_exclude_tags,
search_exclude_tags_length, output);
else
ret = print_count (notmuch, query_str, search_exclude_tags,
search_exclude_tags_length, output);
notmuch_database_destroy (notmuch);
if (input != stdin)
fclose (input);
return ret ? EXIT_FAILURE : EXIT_SUCCESS;
}
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