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/*
* Copyright 2003-2018 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 "config.h"
#include "TidalErrorParser.hxx"
#include "lib/yajl/Callbacks.hxx"
#include "util/ConstBuffer.hxx"
#include "util/RuntimeError.hxx"
using Wrapper = Yajl::CallbacksWrapper<TidalErrorParser>;
static constexpr yajl_callbacks tidal_error_parser_callbacks = {
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
Wrapper::String,
nullptr,
Wrapper::MapKey,
Wrapper::EndMap,
nullptr,
nullptr,
};
TidalErrorParser::TidalErrorParser(unsigned _status,
const std::multimap<std::string, std::string> &headers)
:YajlResponseParser(&tidal_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 Tidal", status);
}
void
TidalErrorParser::OnEnd()
{
YajlResponseParser::OnEnd();
if (!message.empty())
throw FormatRuntimeError("Error from Tidal: %s",
message.c_str());
else
throw FormatRuntimeError("Status %u from Tidal", status);
}
inline bool
TidalErrorParser::String(StringView value) noexcept
{
switch (state) {
case State::NONE:
break;
case State::USER_MESSAGE:
message.assign(value.data, value.size);
break;
}
return true;
}
inline bool
TidalErrorParser::MapKey(StringView value) noexcept
{
if (value.Equals("userMessage"))
state = State::USER_MESSAGE;
else
state = State::NONE;
return true;
}
inline bool
TidalErrorParser::EndMap() noexcept
{
state = State::NONE;
return true;
}
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