notmuch/notmuch-search.c
Michal Sojka 15d39e424e cli: search: Rename options to context
In the next commit the options structure will be extended by
non-option variables. Therefore we need a more generic name.

Just text replacement, no other changes.
2014-11-05 23:09:49 +01:00

618 lines
17 KiB
C

/* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2009 Carl Worth
*
* 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: Carl Worth <cworth@cworth.org>
*/
#include "notmuch-client.h"
#include "sprinter.h"
#include "string-util.h"
typedef enum {
OUTPUT_SUMMARY = 1 << 0,
OUTPUT_THREADS = 1 << 1,
OUTPUT_MESSAGES = 1 << 2,
OUTPUT_FILES = 1 << 3,
OUTPUT_TAGS = 1 << 4,
OUTPUT_SENDER = 1 << 5,
OUTPUT_RECIPIENTS = 1 << 6,
} output_t;
#define OUTPUT_ADDRESS_FLAGS (OUTPUT_SENDER | OUTPUT_RECIPIENTS)
typedef struct {
sprinter_t *format;
notmuch_query_t *query;
notmuch_sort_t sort;
output_t output;
int offset;
int limit;
int dupe;
} search_context_t;
typedef struct {
const char *name;
const char *addr;
} mailbox_t;
/* Return two stable query strings that identify exactly the matched
* and unmatched messages currently in thread. If there are no
* matched or unmatched messages, the returned buffers will be
* NULL. */
static int
get_thread_query (notmuch_thread_t *thread,
char **matched_out, char **unmatched_out)
{
notmuch_messages_t *messages;
char *escaped = NULL;
size_t escaped_len = 0;
*matched_out = *unmatched_out = NULL;
for (messages = notmuch_thread_get_messages (thread);
notmuch_messages_valid (messages);
notmuch_messages_move_to_next (messages))
{
notmuch_message_t *message = notmuch_messages_get (messages);
const char *mid = notmuch_message_get_message_id (message);
/* Determine which query buffer to extend */
char **buf = notmuch_message_get_flag (
message, NOTMUCH_MESSAGE_FLAG_MATCH) ? matched_out : unmatched_out;
/* Add this message's id: query. Since "id" is an exclusive
* prefix, it is implicitly 'or'd together, so we only need to
* join queries with a space. */
if (make_boolean_term (thread, "id", mid, &escaped, &escaped_len) < 0)
return -1;
if (*buf)
*buf = talloc_asprintf_append_buffer (*buf, " %s", escaped);
else
*buf = talloc_strdup (thread, escaped);
if (!*buf)
return -1;
}
talloc_free (escaped);
return 0;
}
static int
do_search_threads (search_context_t *ctx)
{
notmuch_thread_t *thread;
notmuch_threads_t *threads;
notmuch_tags_t *tags;
sprinter_t *format = ctx->format;
time_t date;
int i;
if (ctx->offset < 0) {
ctx->offset += notmuch_query_count_threads (ctx->query);
if (ctx->offset < 0)
ctx->offset = 0;
}
threads = notmuch_query_search_threads (ctx->query);
if (threads == NULL)
return 1;
format->begin_list (format);
for (i = 0;
notmuch_threads_valid (threads) && (ctx->limit < 0 || i < ctx->offset + ctx->limit);
notmuch_threads_move_to_next (threads), i++)
{
thread = notmuch_threads_get (threads);
if (i < ctx->offset) {
notmuch_thread_destroy (thread);
continue;
}
if (ctx->output == OUTPUT_THREADS) {
format->set_prefix (format, "thread");
format->string (format,
notmuch_thread_get_thread_id (thread));
format->separator (format);
} else { /* output == OUTPUT_SUMMARY */
void *ctx_quote = talloc_new (thread);
const char *authors = notmuch_thread_get_authors (thread);
const char *subject = notmuch_thread_get_subject (thread);
const char *thread_id = notmuch_thread_get_thread_id (thread);
int matched = notmuch_thread_get_matched_messages (thread);
int total = notmuch_thread_get_total_messages (thread);
const char *relative_date = NULL;
notmuch_bool_t first_tag = TRUE;
format->begin_map (format);
if (ctx->sort == NOTMUCH_SORT_OLDEST_FIRST)
date = notmuch_thread_get_oldest_date (thread);
else
date = notmuch_thread_get_newest_date (thread);
relative_date = notmuch_time_relative_date (ctx_quote, date);
if (format->is_text_printer) {
/* Special case for the text formatter */
printf ("thread:%s %12s [%d/%d] %s; %s (",
thread_id,
relative_date,
matched,
total,
sanitize_string (ctx_quote, authors),
sanitize_string (ctx_quote, subject));
} else { /* Structured Output */
format->map_key (format, "thread");
format->string (format, thread_id);
format->map_key (format, "timestamp");
format->integer (format, date);
format->map_key (format, "date_relative");
format->string (format, relative_date);
format->map_key (format, "matched");
format->integer (format, matched);
format->map_key (format, "total");
format->integer (format, total);
format->map_key (format, "authors");
format->string (format, authors);
format->map_key (format, "subject");
format->string (format, subject);
if (notmuch_format_version >= 2) {
char *matched_query, *unmatched_query;
if (get_thread_query (thread, &matched_query,
&unmatched_query) < 0) {
fprintf (stderr, "Out of memory\n");
return 1;
}
format->map_key (format, "query");
format->begin_list (format);
if (matched_query)
format->string (format, matched_query);
else
format->null (format);
if (unmatched_query)
format->string (format, unmatched_query);
else
format->null (format);
format->end (format);
}
}
talloc_free (ctx_quote);
format->map_key (format, "tags");
format->begin_list (format);
for (tags = notmuch_thread_get_tags (thread);
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags))
{
const char *tag = notmuch_tags_get (tags);
if (format->is_text_printer) {
/* Special case for the text formatter */
if (first_tag)
first_tag = FALSE;
else
fputc (' ', stdout);
fputs (tag, stdout);
} else { /* Structured Output */
format->string (format, tag);
}
}
if (format->is_text_printer)
printf (")");
format->end (format);
format->end (format);
format->separator (format);
}
notmuch_thread_destroy (thread);
}
format->end (format);
return 0;
}
static void
print_mailbox (const search_context_t *ctx, const mailbox_t *mailbox)
{
const char *name = mailbox->name;
const char *addr = mailbox->addr;
sprinter_t *format = ctx->format;
InternetAddress *ia = internet_address_mailbox_new (name, addr);
char *name_addr;
/* name_addr has the name part quoted if necessary. Compare
* 'John Doe <john@doe.com>' vs. '"Doe, John" <john@doe.com>' */
name_addr = internet_address_to_string (ia, FALSE);
if (format->is_text_printer) {
format->string (format, name_addr);
format->separator (format);
} else {
format->begin_map (format);
format->map_key (format, "name");
format->string (format, name);
format->map_key (format, "address");
format->string (format, addr);
format->map_key (format, "name-addr");
format->string (format, name_addr);
format->end (format);
format->separator (format);
}
g_object_unref (ia);
g_free (name_addr);
}
/* Print addresses from InternetAddressList. */
static void
process_address_list (const search_context_t *ctx, InternetAddressList *list)
{
InternetAddress *address;
int i;
for (i = 0; i < internet_address_list_length (list); i++) {
address = internet_address_list_get_address (list, i);
if (INTERNET_ADDRESS_IS_GROUP (address)) {
InternetAddressGroup *group;
InternetAddressList *group_list;
group = INTERNET_ADDRESS_GROUP (address);
group_list = internet_address_group_get_members (group);
if (group_list == NULL)
continue;
process_address_list (ctx, group_list);
} else {
InternetAddressMailbox *mailbox = INTERNET_ADDRESS_MAILBOX (address);
mailbox_t mbx = {
.name = internet_address_get_name (address),
.addr = internet_address_mailbox_get_addr (mailbox),
};
print_mailbox (ctx, &mbx);
}
}
}
/* Print addresses from a message header. */
static void
process_address_header (const search_context_t *ctx, const char *value)
{
InternetAddressList *list;
if (value == NULL)
return;
list = internet_address_list_parse_string (value);
if (list == NULL)
return;
process_address_list (ctx, list);
g_object_unref (list);
}
static int
_count_filenames (notmuch_message_t *message)
{
notmuch_filenames_t *filenames;
int i = 0;
filenames = notmuch_message_get_filenames (message);
while (notmuch_filenames_valid (filenames)) {
notmuch_filenames_move_to_next (filenames);
i++;
}
notmuch_filenames_destroy (filenames);
return i;
}
static int
do_search_messages (search_context_t *ctx)
{
notmuch_message_t *message;
notmuch_messages_t *messages;
notmuch_filenames_t *filenames;
sprinter_t *format = ctx->format;
int i;
if (ctx->offset < 0) {
ctx->offset += notmuch_query_count_messages (ctx->query);
if (ctx->offset < 0)
ctx->offset = 0;
}
messages = notmuch_query_search_messages (ctx->query);
if (messages == NULL)
return 1;
format->begin_list (format);
for (i = 0;
notmuch_messages_valid (messages) && (ctx->limit < 0 || i < ctx->offset + ctx->limit);
notmuch_messages_move_to_next (messages), i++)
{
if (i < ctx->offset)
continue;
message = notmuch_messages_get (messages);
if (ctx->output == OUTPUT_FILES) {
int j;
filenames = notmuch_message_get_filenames (message);
for (j = 1;
notmuch_filenames_valid (filenames);
notmuch_filenames_move_to_next (filenames), j++)
{
if (ctx->dupe < 0 || ctx->dupe == j) {
format->string (format, notmuch_filenames_get (filenames));
format->separator (format);
}
}
notmuch_filenames_destroy( filenames );
} else if (ctx->output == OUTPUT_MESSAGES) {
/* special case 1 for speed */
if (ctx->dupe <= 1 || ctx->dupe <= _count_filenames (message)) {
format->set_prefix (format, "id");
format->string (format,
notmuch_message_get_message_id (message));
format->separator (format);
}
} else {
if (ctx->output & OUTPUT_SENDER) {
const char *addrs;
addrs = notmuch_message_get_header (message, "from");
process_address_header (ctx, addrs);
}
if (ctx->output & OUTPUT_RECIPIENTS) {
const char *hdrs[] = { "to", "cc", "bcc" };
const char *addrs;
size_t j;
for (j = 0; j < ARRAY_SIZE (hdrs); j++) {
addrs = notmuch_message_get_header (message, hdrs[j]);
process_address_header (ctx, addrs);
}
}
}
notmuch_message_destroy (message);
}
notmuch_messages_destroy (messages);
format->end (format);
return 0;
}
static int
do_search_tags (notmuch_database_t *notmuch,
const search_context_t *ctx)
{
notmuch_messages_t *messages = NULL;
notmuch_tags_t *tags;
const char *tag;
sprinter_t *format = ctx->format;
notmuch_query_t *query = ctx->query;
/* should the following only special case if no excluded terms
* specified? */
/* Special-case query of "*" for better performance. */
if (strcmp (notmuch_query_get_query_string (query), "*") == 0) {
tags = notmuch_database_get_all_tags (notmuch);
} else {
messages = notmuch_query_search_messages (query);
if (messages == NULL)
return 1;
tags = notmuch_messages_collect_tags (messages);
}
if (tags == NULL)
return 1;
format->begin_list (format);
for (;
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags))
{
tag = notmuch_tags_get (tags);
format->string (format, tag);
format->separator (format);
}
notmuch_tags_destroy (tags);
if (messages)
notmuch_messages_destroy (messages);
format->end (format);
return 0;
}
int
notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
{
notmuch_database_t *notmuch;
search_context_t ctx = {
.sort = NOTMUCH_SORT_NEWEST_FIRST,
.output = 0,
.offset = 0,
.limit = -1, /* unlimited */
.dupe = -1,
};
char *query_str;
int opt_index, ret;
notmuch_exclude_t exclude = NOTMUCH_EXCLUDE_TRUE;
unsigned int i;
enum {
NOTMUCH_FORMAT_JSON,
NOTMUCH_FORMAT_TEXT,
NOTMUCH_FORMAT_TEXT0,
NOTMUCH_FORMAT_SEXP
} format_sel = NOTMUCH_FORMAT_TEXT;
notmuch_opt_desc_t options[] = {
{ NOTMUCH_OPT_KEYWORD, &ctx.sort, "sort", 's',
(notmuch_keyword_t []){ { "oldest-first", NOTMUCH_SORT_OLDEST_FIRST },
{ "newest-first", NOTMUCH_SORT_NEWEST_FIRST },
{ 0, 0 } } },
{ NOTMUCH_OPT_KEYWORD, &format_sel, "format", 'f',
(notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON },
{ "sexp", NOTMUCH_FORMAT_SEXP },
{ "text", NOTMUCH_FORMAT_TEXT },
{ "text0", NOTMUCH_FORMAT_TEXT0 },
{ 0, 0 } } },
{ NOTMUCH_OPT_INT, &notmuch_format_version, "format-version", 0, 0 },
{ NOTMUCH_OPT_KEYWORD_FLAGS, &ctx.output, "output", 'o',
(notmuch_keyword_t []){ { "summary", OUTPUT_SUMMARY },
{ "threads", OUTPUT_THREADS },
{ "messages", OUTPUT_MESSAGES },
{ "sender", OUTPUT_SENDER },
{ "recipients", OUTPUT_RECIPIENTS },
{ "files", OUTPUT_FILES },
{ "tags", OUTPUT_TAGS },
{ 0, 0 } } },
{ NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
(notmuch_keyword_t []){ { "true", NOTMUCH_EXCLUDE_TRUE },
{ "false", NOTMUCH_EXCLUDE_FALSE },
{ "flag", NOTMUCH_EXCLUDE_FLAG },
{ "all", NOTMUCH_EXCLUDE_ALL },
{ 0, 0 } } },
{ NOTMUCH_OPT_INT, &ctx.offset, "offset", 'O', 0 },
{ NOTMUCH_OPT_INT, &ctx.limit, "limit", 'L', 0 },
{ NOTMUCH_OPT_INT, &ctx.dupe, "duplicate", 'D', 0 },
{ 0, 0, 0, 0, 0 }
};
opt_index = parse_arguments (argc, argv, options, 1);
if (opt_index < 0)
return EXIT_FAILURE;
if (! ctx.output)
ctx.output = OUTPUT_SUMMARY;
if (ctx.output != OUTPUT_FILES && ctx.output != OUTPUT_MESSAGES &&
ctx.dupe != -1) {
fprintf (stderr, "Error: --duplicate=N is only supported with --output=files and --output=messages.\n");
return EXIT_FAILURE;
}
switch (format_sel) {
case NOTMUCH_FORMAT_TEXT:
ctx.format = sprinter_text_create (config, stdout);
break;
case NOTMUCH_FORMAT_TEXT0:
if (ctx.output == OUTPUT_SUMMARY) {
fprintf (stderr, "Error: --format=text0 is not compatible with --output=summary.\n");
return EXIT_FAILURE;
}
ctx.format = sprinter_text0_create (config, stdout);
break;
case NOTMUCH_FORMAT_JSON:
ctx.format = sprinter_json_create (config, stdout);
break;
case NOTMUCH_FORMAT_SEXP:
ctx.format = sprinter_sexp_create (config, stdout);
break;
default:
/* this should never happen */
INTERNAL_ERROR("no output format selected");
}
notmuch_exit_if_unsupported_format ();
if (notmuch_database_open (notmuch_config_get_database_path (config),
NOTMUCH_DATABASE_MODE_READ_ONLY, &notmuch))
return EXIT_FAILURE;
query_str = query_string_from_args (notmuch, argc-opt_index, argv+opt_index);
if (query_str == NULL) {
fprintf (stderr, "Out of memory.\n");
return EXIT_FAILURE;
}
if (*query_str == '\0') {
fprintf (stderr, "Error: notmuch search requires at least one search term.\n");
return EXIT_FAILURE;
}
ctx.query = notmuch_query_create (notmuch, query_str);
if (ctx.query == NULL) {
fprintf (stderr, "Out of memory\n");
return EXIT_FAILURE;
}
notmuch_query_set_sort (ctx.query, ctx.sort);
if (exclude == NOTMUCH_EXCLUDE_FLAG && ctx.output != OUTPUT_SUMMARY) {
/* If we are not doing summary output there is nowhere to
* print the excluded flag so fall back on including the
* excluded messages. */
fprintf (stderr, "Warning: this output format cannot flag excluded messages.\n");
exclude = NOTMUCH_EXCLUDE_FALSE;
}
if (exclude != NOTMUCH_EXCLUDE_FALSE) {
const char **search_exclude_tags;
size_t search_exclude_tags_length;
search_exclude_tags = notmuch_config_get_search_exclude_tags
(config, &search_exclude_tags_length);
for (i = 0; i < search_exclude_tags_length; i++)
notmuch_query_add_tag_exclude (ctx.query, search_exclude_tags[i]);
notmuch_query_set_omit_excluded (ctx.query, exclude);
}
if (ctx.output == OUTPUT_SUMMARY ||
ctx.output == OUTPUT_THREADS)
ret = do_search_threads (&ctx);
else if (ctx.output == OUTPUT_MESSAGES ||
ctx.output == OUTPUT_FILES ||
(ctx.output & OUTPUT_ADDRESS_FLAGS && !(ctx.output & ~OUTPUT_ADDRESS_FLAGS)))
ret = do_search_messages (&ctx);
else if (ctx.output == OUTPUT_TAGS)
ret = do_search_tags (notmuch, &ctx);
else {
fprintf (stderr, "Error: the combination of outputs is not supported.\n");
ret = 1;
}
notmuch_query_destroy (ctx.query);
notmuch_database_destroy (notmuch);
talloc_free (ctx.format);
return ret ? EXIT_FAILURE : EXIT_SUCCESS;
}