mirror of https://github.com/djcb/mu.git
200 lines
4.6 KiB
C
200 lines
4.6 KiB
C
/*
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** Copyright (C) 2008 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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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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#include <glib.h>
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#include <string.h>
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#include "mu-msg-flags.h"
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static struct {
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char kar;
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MuMsgFlags flag;
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gboolean file_flag;
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} FLAG_CHARS[] = {
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{'D', MU_MSG_FLAG_DRAFT, TRUE},
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{'F', MU_MSG_FLAG_FLAGGED, TRUE},
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{'N', MU_MSG_FLAG_NEW, TRUE},
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{'P', MU_MSG_FLAG_PASSED, TRUE},
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{'R', MU_MSG_FLAG_REPLIED, TRUE},
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{'S', MU_MSG_FLAG_SEEN, TRUE},
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{'T', MU_MSG_FLAG_TRASHED, TRUE},
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{'a', MU_MSG_FLAG_HAS_ATTACH, FALSE},
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{'s', MU_MSG_FLAG_SIGNED, FALSE},
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{'x', MU_MSG_FLAG_ENCRYPTED, FALSE}
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};
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MuMsgFlags
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mu_msg_flags_from_str (const char* str)
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{
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MuMsgFlags flags = 0;
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while (str[0]) {
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int i;
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MuMsgFlags oneflag = MU_MSG_FLAG_UNKNOWN;
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for (i = 0; i != G_N_ELEMENTS(FLAG_CHARS); ++i) {
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if (str[0] == FLAG_CHARS[i].kar) {
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oneflag = FLAG_CHARS[i].flag;
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break;
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}
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}
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if (oneflag == MU_MSG_FLAG_UNKNOWN)
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return MU_MSG_FLAG_UNKNOWN;
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else
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flags |= oneflag;
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++str;
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}
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return flags;
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}
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MuMsgFlags
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mu_msg_flags_from_char (char c)
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{
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char str[2];
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str[0] = c;
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str[1] = '\0';
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return mu_msg_flags_from_str (str);
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}
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const char*
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mu_msg_flags_to_str_s (MuMsgFlags flags)
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{
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int i = 0, j = 0;
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static char buf[G_N_ELEMENTS(FLAG_CHARS) + 1];
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for (i = 0; i != G_N_ELEMENTS(FLAG_CHARS); ++i)
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if (flags & FLAG_CHARS[i].flag)
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buf[j++] = FLAG_CHARS[i].kar;
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buf[j] = '\0';
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return buf;
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}
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gboolean
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mu_msg_flags_is_file_flag (MuMsgFlags flag)
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{
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int i = 0;
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for (i = 0; i != G_N_ELEMENTS(FLAG_CHARS); ++i)
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if (flag == FLAG_CHARS[i].flag)
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return FLAG_CHARS[i].file_flag;
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return FALSE;
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}
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/*
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* is this a 'new' msg or a 'cur' msg?; if new, we return
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* (in info) a ptr to the info part
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*/
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enum _MsgType {
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MSG_TYPE_CUR,
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MSG_TYPE_NEW,
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MSG_TYPE_OTHER
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};
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typedef enum _MsgType MsgType;
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static MsgType
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check_msg_type (const char* path, char **info)
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{
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char *dir, *file;
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MsgType mtype;
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/* try to find the info part */
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/* note that we can use either the ':' or '!' as separator;
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* the former is the official, but as it does not work on e.g. VFAT
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* file systems, some Maildir implementations use the latter instead
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* (or both). For example, Tinymail/modest does this. The python
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* documentation at http://docs.python.org/lib/mailbox-maildir.html
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* mentions the '!' as well as a 'popular choice'
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*/
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dir = g_path_get_dirname (path);
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file = g_path_get_basename (path);
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if (!(*info = strrchr(file, ':')))
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*info = strrchr (file, '!'); /* Tinymail */
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if (*info)
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++(*info); /* skip the ':' or '!' */
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if (g_str_has_suffix (dir, G_DIR_SEPARATOR_S "cur")) {
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if (!*info)
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g_message ("'cur' file, but no info part: %s", path);
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mtype = MSG_TYPE_CUR;
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} else if (g_str_has_suffix (dir, G_DIR_SEPARATOR_S "new")) {
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/* if (*info) */
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/* g_message ("'new' file, ignoring info part: %s", path); */
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mtype = MSG_TYPE_NEW;
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} else
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mtype = MSG_TYPE_OTHER; /* file has been added explicitly as
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a single message */
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if (*info)
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*info = g_strdup (*info);
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g_free (dir);
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g_free (file);
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return mtype;
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}
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MuMsgFlags
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mu_msg_flags_from_file (const char* path)
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{
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MuMsgFlags flags;
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MsgType mtype;
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char *info = NULL;
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g_return_val_if_fail (path, MU_MSG_FLAG_UNKNOWN);
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g_return_val_if_fail (!g_str_has_suffix(path,G_DIR_SEPARATOR_S),
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MU_MSG_FLAG_UNKNOWN);
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mtype = check_msg_type (path, &info);
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/* we ignore any flags for a new message */
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if (mtype == MSG_TYPE_NEW) {
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g_free (info);
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return MU_MSG_FLAG_NEW;
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}
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flags = 0;
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if (mtype == MSG_TYPE_CUR || mtype == MSG_TYPE_OTHER) {
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char *cursor = info;
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/* only support the "2," format */
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if (cursor && cursor[0]=='2' && cursor[1]==',') {
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cursor += 2; /* jump past 2, */
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while (*cursor) {
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MuMsgFlags oneflag =
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mu_msg_flags_from_char (*cursor);
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/* ignore anything but file flags */
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if (mu_msg_flags_is_file_flag(oneflag))
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flags |= oneflag;
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++cursor;
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}
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}
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}
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g_free (info);
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return flags;
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}
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