mpd/src/input/plugins/QobuzErrorParser.cxx
2021-01-01 19:54:28 +01:00

95 lines
2.2 KiB
C++

/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 2 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 "QobuzErrorParser.hxx"
#include "lib/yajl/Callbacks.hxx"
#include "util/ConstBuffer.hxx"
#include "util/RuntimeError.hxx"
using Wrapper = Yajl::CallbacksWrapper<QobuzErrorParser>;
static constexpr yajl_callbacks qobuz_error_parser_callbacks = {
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
Wrapper::String,
nullptr,
Wrapper::MapKey,
Wrapper::EndMap,
nullptr,
nullptr,
};
QobuzErrorParser::QobuzErrorParser(unsigned _status,
const std::multimap<std::string, std::string> &headers)
:YajlResponseParser(&qobuz_error_parser_callbacks, nullptr, this),
status(_status)
{
auto i = headers.find("content-type");
if (i == headers.end() || i->second.find("/json") == i->second.npos)
throw FormatRuntimeError("Status %u from Qobuz", status);
}
void
QobuzErrorParser::OnEnd()
{
YajlResponseParser::OnEnd();
if (!message.empty())
throw FormatRuntimeError("Error from Qobuz: %s",
message.c_str());
else
throw FormatRuntimeError("Status %u from Qobuz", status);
}
inline bool
QobuzErrorParser::String(StringView value) noexcept
{
switch (state) {
case State::NONE:
break;
case State::MESSAGE:
message.assign(value.data, value.size);
break;
}
return true;
}
inline bool
QobuzErrorParser::MapKey(StringView value) noexcept
{
if (value.Equals("message"))
state = State::MESSAGE;
else
state = State::NONE;
return true;
}
inline bool
QobuzErrorParser::EndMap() noexcept
{
state = State::NONE;
return true;
}