mu/lib/mu-message-flags.cc

123 lines
4.3 KiB
C++

/*
** Copyright (C) 2022 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, 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.
**
*/
/*
* implementation is almost completely in the header; here we just add some
* compile-time tests.
*/
#include "mu-message-flags.hh"
using namespace Mu;
std::string
Mu::message_flags_to_string(MessageFlags flags)
{
std::string str;
for (auto&& info: AllMessageFlagInfos)
if (any_of(info.flag & flags))
str+=info.shortcut;
return str;
}
/*
* flags & flag-info
*/
constexpr bool
validate_message_info_flags()
{
for (auto id = 0U; id != AllMessageFlagInfos.size(); ++id) {
const auto flag = static_cast<MessageFlags>(1 << id);
if (flag != AllMessageFlagInfos[id].flag)
return false;
}
return true;
}
static_assert(AllMessageFlagInfos.size() ==
__builtin_ctz(static_cast<unsigned>(MessageFlags::_final_)));
static_assert(validate_message_info_flags());
static_assert(!!message_flag_info(MessageFlags::Encrypted));
static_assert(!message_flag_info(MessageFlags::None));
static_assert(!message_flag_info(static_cast<MessageFlags>(0)));
static_assert(!message_flag_info(static_cast<MessageFlags>(1<<AllMessageFlagInfos.size())),
"should be invalid");
/*
* message_flag_info
*/
static_assert(message_flag_info('D')->flag == MessageFlags::Draft);
static_assert(message_flag_info('l')->flag == MessageFlags::MailingList);
static_assert(!message_flag_info('q'));
static_assert(message_flag_info("trashed")->flag == MessageFlags::Trashed);
static_assert(message_flag_info("attach")->flag == MessageFlags::HasAttachment);
static_assert(!message_flag_info("fnorb"));
static_assert(message_flag_info('D')->shortcut_lower() == 'd');
static_assert(message_flag_info('u')->shortcut_lower() == 'u');
/*
* message_flags_from_expr
*/
static_assert(message_flags_from_absolute_expr("SRP").value() ==
(MessageFlags::Seen | MessageFlags::Replied | MessageFlags::Passed));
static_assert(message_flags_from_absolute_expr("Faul").value() ==
(MessageFlags::Flagged | MessageFlags::Unread |
MessageFlags::HasAttachment | MessageFlags::MailingList));
static_assert(!message_flags_from_absolute_expr("DRT?"));
static_assert(message_flags_from_absolute_expr("DRT?", true/*ignore invalid*/).value() ==
(MessageFlags::Draft | MessageFlags::Replied |
MessageFlags::Trashed));
static_assert(message_flags_from_absolute_expr("DFPNxulabcdef", true/*ignore invalid*/).value() ==
(MessageFlags::Draft|MessageFlags::Flagged|MessageFlags::Passed|
MessageFlags::New | MessageFlags::Encrypted |
MessageFlags::Unread | MessageFlags::MailingList |
MessageFlags::HasAttachment));
/*
* message_flags_from_delta_expr
*/
static_assert(message_flags_from_delta_expr(
"+S-u-N", MessageFlags::New|MessageFlags::Unread).value() ==
MessageFlags::Seen);
static_assert(message_flags_from_delta_expr("+R+P-F", MessageFlags::Seen).value() ==
(MessageFlags::Seen|MessageFlags::Passed|MessageFlags::Replied));
/* '-B' is invalid */
static_assert(!message_flags_from_delta_expr("+R+P-B", MessageFlags::Seen));
/* '-B' is invalid, but ignore invalid */
static_assert(message_flags_from_delta_expr("+R+P-B", MessageFlags::Seen, true) ==
(MessageFlags::Replied|MessageFlags::Passed|MessageFlags::Seen));
static_assert(message_flags_from_delta_expr("+F+T-S", MessageFlags::None, true).value() ==
(MessageFlags::Flagged|MessageFlags::Trashed));
/*
* message_flags_filter
*/
static_assert(message_flags_filter(message_flags_from_absolute_expr(
"DFPNxulabcdef", true/*ignore invalid*/).value(),
MessageFlagCategory::Mailfile) ==
(MessageFlags::Draft|MessageFlags::Flagged|MessageFlags::Passed));