mirror of https://github.com/djcb/mu.git
249 lines
5.7 KiB
C
249 lines
5.7 KiB
C
/*
|
|
** Copyright (C) 2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
|
|
**
|
|
** 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, write to the Free Software Foundation,
|
|
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
**
|
|
*/
|
|
|
|
#include <glib.h>
|
|
#include <glib/gstdio.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "mu-util.h"
|
|
#include "mu-result.h"
|
|
#include "mu-msg-str.h"
|
|
#include "mu-msg-flags.h"
|
|
#include "mu-query-xapian.h"
|
|
#include "mu-query.h"
|
|
#include "mu-maildir.h"
|
|
|
|
static gboolean
|
|
print_query (MuQueryXapian *xapian, const gchar *query)
|
|
{
|
|
char *querystr;
|
|
|
|
querystr = mu_query_xapian_as_string (xapian, query);
|
|
g_print ("%s\n", querystr);
|
|
g_free (querystr);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static const gchar*
|
|
display_field (MuMsgXapian *row, const MuMsgField* field)
|
|
{
|
|
gint64 val;
|
|
|
|
switch (mu_msg_field_type(field)) {
|
|
case MU_MSG_FIELD_TYPE_STRING:
|
|
return mu_msg_xapian_get_field (row, field);
|
|
|
|
case MU_MSG_FIELD_TYPE_INT:
|
|
|
|
if (mu_msg_field_id(field) == MU_MSG_FIELD_ID_PRIORITY) {
|
|
val = mu_msg_xapian_get_field_numeric (row, field);
|
|
return mu_msg_str_prio ((MuMsgPriority)val);
|
|
}
|
|
|
|
if (mu_msg_field_id(field) == MU_MSG_FIELD_ID_FLAGS) {
|
|
val = mu_msg_xapian_get_field_numeric (row, field);
|
|
return mu_msg_str_flags_s ((MuMsgPriority)val);
|
|
}
|
|
|
|
return mu_msg_xapian_get_field (row, field); /* as string */
|
|
case MU_MSG_FIELD_TYPE_TIME_T:
|
|
val = mu_msg_xapian_get_field_numeric (row, field);
|
|
return mu_msg_str_date_s ((time_t)val);
|
|
case MU_MSG_FIELD_TYPE_BYTESIZE:
|
|
val = mu_msg_xapian_get_field_numeric (row, field);
|
|
return mu_msg_str_size_s ((time_t)val);
|
|
default:
|
|
g_return_val_if_reached (NULL);
|
|
}
|
|
}
|
|
|
|
|
|
/* returns NULL if there is an error */
|
|
const MuMsgField*
|
|
sort_field_from_string (const char* fieldstr)
|
|
{
|
|
const MuMsgField *field;
|
|
|
|
field = mu_msg_field_from_name (fieldstr);
|
|
if (!field && strlen(fieldstr) == 1)
|
|
field = mu_msg_field_from_shortcut(fieldstr[0]);
|
|
if (!field)
|
|
g_printerr ("not a valid sort field: '%s'\n",
|
|
fieldstr);
|
|
return field;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
handle_options (MuConfigOptions *opts)
|
|
{
|
|
if (opts->ascending && opts->descending) {
|
|
g_printerr ("only one of --ascending and --descending "
|
|
"may be specied\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return opts->ascending = opts->descending ? FALSE : TRUE;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
print_rows (MuQueryXapian *xapian, const gchar *query, MuConfigOptions *opts)
|
|
{
|
|
MuMsgXapian *row;
|
|
const MuMsgField *sortfield;
|
|
|
|
sortfield = NULL;
|
|
if (opts->sortfield) {
|
|
sortfield = sort_field_from_string (opts->sortfield);
|
|
if (!sortfield) /* error occured? */
|
|
return FALSE;
|
|
}
|
|
|
|
row = mu_query_xapian_run (xapian, query,
|
|
sortfield,
|
|
opts->ascending);
|
|
if (!row) {
|
|
g_printerr ("error: running query failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* iterate over the found rows */
|
|
while (!mu_msg_xapian_is_done (row)) {
|
|
const char* fields = opts->fields;
|
|
int printlen = 0;
|
|
while (*fields) {
|
|
const MuMsgField* field =
|
|
mu_msg_field_from_shortcut (*fields);
|
|
if (!field ||
|
|
!mu_msg_field_is_xapian_enabled (field))
|
|
printlen += printf ("%c", *fields);
|
|
else
|
|
printlen += printf ("%s",
|
|
display_field(row, field));
|
|
++fields;
|
|
}
|
|
if (printlen >0)
|
|
printf ("\n");
|
|
|
|
mu_msg_xapian_next (row);
|
|
}
|
|
|
|
mu_msg_xapian_destroy (row);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
_do_output_text (MuQueryXapian *xapian, MuConfigOptions* opts, gchar **params)
|
|
{
|
|
gchar *query;
|
|
gboolean retval = TRUE;
|
|
|
|
query = mu_query_xapian_combine (params, FALSE);
|
|
|
|
/* if xquery is set, we print the xapian query instead of the
|
|
* output; this is for debugging purposes */
|
|
if (opts->xquery)
|
|
retval = print_query (xapian, query);
|
|
else
|
|
retval = print_rows (xapian, query, opts);
|
|
|
|
g_free (query);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static gboolean
|
|
_create_linkdir_if_nonexistant (const gchar* linkdir)
|
|
{
|
|
if (access (linkdir, F_OK) != 0)
|
|
if (!mu_maildir_mkmdir (linkdir, 0700, TRUE))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
_do_output_links (MuQueryXapian *xapian, MuConfigOptions* opts, gchar **params)
|
|
{
|
|
gchar *query;
|
|
gboolean retval = TRUE;
|
|
MuMsgXapian *row;
|
|
const MuMsgField *pathfield;
|
|
|
|
if (!_create_linkdir_if_nonexistant (opts->linksdir))
|
|
return FALSE;
|
|
|
|
query = mu_query_xapian_combine (params, FALSE);
|
|
row = mu_query_xapian_run (xapian, query, NULL, FALSE);
|
|
if (!row) {
|
|
g_printerr ("error: running query failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
pathfield = mu_msg_field_from_id (MU_MSG_FIELD_ID_PATH);
|
|
|
|
/* iterate over the found rows */
|
|
while (!mu_msg_xapian_is_done (row)) {
|
|
const char *path;
|
|
path = mu_msg_xapian_get_field (row, pathfield);
|
|
if (path) {
|
|
retval = mu_maildir_link (path, opts->linksdir);
|
|
if (!retval)
|
|
break;
|
|
}
|
|
mu_msg_xapian_next (row);
|
|
}
|
|
|
|
mu_msg_xapian_destroy (row);
|
|
g_free (query);
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
MuResult
|
|
mu_query_run (MuConfigOptions *opts, gchar **params)
|
|
{
|
|
MuQueryXapian *xapian;
|
|
MuResult rv;
|
|
|
|
rv = MU_OK;
|
|
|
|
handle_options (opts);
|
|
|
|
xapian = mu_query_xapian_new (opts->muhome);
|
|
if (!xapian)
|
|
return MU_ERROR;
|
|
|
|
if (opts->linksdir)
|
|
rv = _do_output_links (xapian, opts, params) ? 0 : 1;
|
|
else
|
|
rv = _do_output_text (xapian, opts, params) ? 0 : 1;
|
|
|
|
mu_query_xapian_destroy (xapian);
|
|
|
|
return rv;
|
|
}
|