2010-01-31 11:12:04 +01:00
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/*
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2010-08-24 23:57:16 +02:00
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** Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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2010-01-31 11:12:04 +01:00
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** 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, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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2010-08-24 23:57:16 +02:00
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#ifdef HAVE_CONFIG_H
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2010-01-31 11:12:04 +01:00
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#include "config.h"
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2010-08-24 23:57:16 +02:00
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#endif /*HAVE_CONFIG_H*/
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2010-01-31 11:12:04 +01:00
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <signal.h>
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2010-08-24 23:57:16 +02:00
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#include "mu-msg.h"
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2010-01-31 11:12:04 +01:00
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#include "mu-maildir.h"
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#include "mu-index.h"
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2010-08-25 20:46:16 +02:00
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#include "mu-query.h"
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2010-08-25 20:29:53 +02:00
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#include "mu-msg-iter.h"
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2010-01-31 11:12:04 +01:00
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#include "mu-msg-str.h"
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2010-11-13 13:16:38 +01:00
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#include "mu-bookmarks.h"
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2010-01-31 11:12:04 +01:00
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#include "mu-util.h"
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2010-08-25 20:40:07 +02:00
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#include "mu-util-db.h"
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2010-08-20 20:07:36 +02:00
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#include "mu-cmd.h"
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2010-10-31 10:34:01 +01:00
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#include "mu-output-plain.h"
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#include "mu-output-link.h"
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2010-01-31 11:12:04 +01:00
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static void
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update_warning (void)
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{
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2010-02-04 21:44:05 +01:00
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g_printerr ("the database needs to be updated to version %s\n",
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2010-01-31 11:12:04 +01:00
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MU_XAPIAN_DB_VERSION);
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2010-02-20 13:36:43 +01:00
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g_message ("please run 'mu index --rebuild' (see the man page)");
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2010-01-31 11:12:04 +01:00
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}
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static gboolean
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2010-08-25 20:46:16 +02:00
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print_xapian_query (MuQuery *xapian, const gchar *query)
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2010-01-31 11:12:04 +01:00
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{
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char *querystr;
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MU_WRITE_LOG ("query: '%s' (xquery)", query);
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2010-08-25 20:46:16 +02:00
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querystr = mu_query_as_string (xapian, query);
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2010-01-31 11:12:04 +01:00
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g_print ("%s\n", querystr);
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g_free (querystr);
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return TRUE;
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}
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/* returns NULL if there is an error */
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const MuMsgField*
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sort_field_from_string (const char* fieldstr)
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{
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const MuMsgField *field;
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field = mu_msg_field_from_name (fieldstr);
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if (!field && strlen(fieldstr) == 1)
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field = mu_msg_field_from_shortcut(fieldstr[0]);
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if (!field)
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g_printerr ("not a valid sort field: '%s'\n",
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fieldstr);
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return field;
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}
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2010-08-15 13:59:55 +02:00
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2010-01-31 19:36:56 +01:00
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static size_t
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2010-08-25 20:29:53 +02:00
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print_rows (MuMsgIter *iter, const char *fields, size_t summary_len)
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2010-01-31 11:12:04 +01:00
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{
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2010-01-31 19:36:56 +01:00
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size_t count = 0;
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2010-02-02 07:46:55 +01:00
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2010-09-09 07:17:00 +02:00
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if (mu_msg_iter_is_done (iter))
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2010-02-02 07:46:55 +01:00
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return 0;
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2010-01-31 11:12:04 +01:00
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2010-01-31 19:36:56 +01:00
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do {
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2010-10-31 10:34:01 +01:00
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if (mu_output_plain_row (iter, fields, summary_len))
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++count;
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2010-01-31 11:12:04 +01:00
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2010-08-25 20:29:53 +02:00
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} while (mu_msg_iter_next (iter));
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2010-01-31 11:12:04 +01:00
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2010-01-31 19:36:56 +01:00
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return count;
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2010-01-31 11:12:04 +01:00
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}
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2010-01-31 19:36:56 +01:00
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static size_t
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2010-08-25 20:29:53 +02:00
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make_links (MuMsgIter *iter, const char* linksdir, gboolean clearlinks)
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2010-01-31 11:12:04 +01:00
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{
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2010-01-31 19:36:56 +01:00
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size_t count = 0;
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2010-10-31 10:34:01 +01:00
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if (!mu_output_link_create_dir (linksdir, clearlinks))
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2010-01-31 19:36:56 +01:00
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return 0;
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2010-02-02 07:46:55 +01:00
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2010-09-09 07:17:00 +02:00
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if (mu_msg_iter_is_done (iter))
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2010-02-02 07:46:55 +01:00
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return 0;
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2010-01-31 11:12:04 +01:00
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/* iterate over the found iters */
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2010-01-31 19:36:56 +01:00
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do {
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2010-10-31 10:34:01 +01:00
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/* ignore errors...*/
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if (mu_output_link_row (iter, linksdir))
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++count;
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2010-02-02 07:46:55 +01:00
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2010-08-25 20:29:53 +02:00
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} while (mu_msg_iter_next (iter));
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2010-01-31 19:36:56 +01:00
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return count;
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}
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static gboolean
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2010-08-25 20:46:16 +02:00
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run_query (MuQuery *xapian, const gchar *query, MuConfigOptions *opts)
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2010-01-31 19:36:56 +01:00
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{
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2010-08-25 20:29:53 +02:00
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MuMsgIter *iter;
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2010-01-31 19:36:56 +01:00
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const MuMsgField *sortfield;
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size_t matches;
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sortfield = NULL;
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if (opts->sortfield) {
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sortfield = sort_field_from_string (opts->sortfield);
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if (!sortfield) /* error occured? */
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return FALSE;
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2010-01-31 11:12:04 +01:00
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}
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2010-11-13 13:16:38 +01:00
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iter = mu_query_run (xapian, query, sortfield, !opts->descending, 0);
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2010-01-31 19:36:56 +01:00
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if (!iter) {
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g_printerr ("error: running query failed\n");
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return FALSE;
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}
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if (opts->linksdir)
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matches = make_links (iter, opts->linksdir, opts->clearlinks);
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else
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2010-08-15 13:59:55 +02:00
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matches = print_rows (iter, opts->fields, opts->summary_len);
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2010-01-31 19:36:56 +01:00
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if (matches == 0)
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g_printerr ("No matches found\n");
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2010-02-02 07:46:55 +01:00
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2010-08-25 20:29:53 +02:00
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mu_msg_iter_destroy (iter);
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2010-01-31 19:36:56 +01:00
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return matches > 0;
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}
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2010-01-31 11:12:04 +01:00
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static gboolean
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query_params_valid (MuConfigOptions *opts)
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{
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if (opts->linksdir)
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if (opts->xquery) {
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2010-02-04 21:44:05 +01:00
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g_printerr ("Invalid option for '--linksdir'\n");
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2010-01-31 11:12:04 +01:00
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return FALSE;
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}
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2010-11-13 13:16:38 +01:00
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2010-01-31 11:12:04 +01:00
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if (mu_util_check_dir (opts->xpath, TRUE, FALSE))
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return TRUE;
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2010-02-04 21:44:05 +01:00
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g_printerr ("%s is not a readable Xapian directory\n", opts->xpath);
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2010-01-31 11:12:04 +01:00
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g_message ("Did you run 'mu index'?");
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return FALSE;
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}
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2010-11-13 13:16:38 +01:00
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static gchar*
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resolve_bookmark (MuConfigOptions *opts)
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{
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MuBookmarks *bm;
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char* val;
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bm = mu_bookmarks_new (opts->bmpath);
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if (!bm) {
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g_warning ("Failed to open bookmarks file '%s'", opts->bmpath);
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return FALSE;
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}
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val = (gchar*)mu_bookmarks_lookup (bm, opts->bookmark);
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if (!val)
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g_warning ("Bookmark '%s' not found", opts->bookmark);
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else
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val = g_strdup (val);
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mu_bookmarks_destroy (bm);
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return val;
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}
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static gchar*
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get_query (MuConfigOptions *opts)
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{
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gchar *query, *bookmarkval;
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/* params[0] is 'find', actual search params start with [1] */
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if (!opts->bookmark && !opts->params[1]) {
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g_warning ("Empty search query");
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return FALSE;
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}
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if (opts->bookmark && ((bookmarkval = resolve_bookmark (opts)) == NULL))
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return NULL;
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query = mu_util_str_from_strv ((const gchar**)&opts->params[1]);
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if (bookmarkval) {
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gchar *tmp;
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tmp = g_strdup_printf ("%s %s", bookmarkval, query);
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g_free (query);
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query = tmp;
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}
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g_free (bookmarkval);
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return query;
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}
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2010-01-31 11:12:04 +01:00
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gboolean
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mu_cmd_find (MuConfigOptions *opts)
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{
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2010-08-25 20:46:16 +02:00
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MuQuery *xapian;
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2010-01-31 11:12:04 +01:00
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gboolean rv;
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2010-11-13 13:16:38 +01:00
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gchar *query;
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2010-01-31 11:12:04 +01:00
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g_return_val_if_fail (opts, FALSE);
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2010-08-29 15:39:27 +02:00
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g_return_val_if_fail (mu_cmd_equals (opts, "find"), FALSE);
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2010-01-31 11:12:04 +01:00
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if (!query_params_valid (opts))
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return FALSE;
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2010-08-25 20:40:07 +02:00
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if (mu_util_db_is_empty (opts->xpath)) {
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2010-11-13 13:16:38 +01:00
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g_warning ("Database is empty; use 'mu index' to add messages");
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2010-01-31 11:12:04 +01:00
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return FALSE;
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}
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2010-08-25 20:40:07 +02:00
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if (!mu_util_db_version_up_to_date (opts->xpath)) {
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2010-01-31 11:12:04 +01:00
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update_warning ();
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return FALSE;
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}
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/* first param is 'query', search params are after that */
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2010-11-13 13:16:38 +01:00
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query = get_query (opts);
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if (!query)
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return FALSE;
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2010-01-31 11:12:04 +01:00
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2010-08-25 20:46:16 +02:00
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xapian = mu_query_new (opts->xpath);
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2010-01-31 11:12:04 +01:00
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if (!xapian) {
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2010-11-13 13:16:38 +01:00
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g_warning ("Failed to create a Xapian query\n");
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2010-01-31 11:12:04 +01:00
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return FALSE;
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}
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2010-11-13 13:16:38 +01:00
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if (opts->xquery)
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rv = print_xapian_query (xapian, query);
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else
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rv = run_query (xapian, query, opts);
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2010-08-25 20:46:16 +02:00
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mu_query_destroy (xapian);
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2010-11-13 13:16:38 +01:00
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g_free (query);
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2010-01-31 11:12:04 +01:00
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return rv;
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}
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2010-01-31 13:14:56 +01:00
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