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/**
* @file llsdjson.cpp
* @brief LLSD flexible data system
*
* $LicenseInfo:firstyear=2015&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2015, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
// Must turn on conditional declarations in header file so definitions end up
// with proper linkage.
#define LLSD_DEBUG_INFO
#include "linden_common.h"
#include "llsdjson.h"
#include "llsdutil.h"
#include "llerror.h"
#include "../llmath/llmath.h"
#include <boost/json/src.hpp>
//=========================================================================
LLSD LlsdFromJson(const boost::json::value& val)
{
LLSD result;
switch (val.kind())
{
default:
case boost::json::kind::null:
break;
case boost::json::kind::int64:
case boost::json::kind::uint64:
result = LLSD(val.to_number<int64_t>());
break;
case boost::json::kind::double_:
result = LLSD(val.to_number<double>());
break;
case boost::json::kind::string:
result = LLSD(boost::json::value_to<std::string>(val));
break;
case boost::json::kind::bool_:
result = LLSD(val.as_bool());
break;
case boost::json::kind::array:
{
result = LLSD::emptyArray();
const boost::json::array& array = val.as_array();
size_t size = array.size();
// allocate elements 0 .. (size() - 1) to avoid incremental allocation
if (! array.empty())
{
result[size - 1] = LLSD();
}
for (size_t i = 0; i < size; i++)
{
result[i] = (LlsdFromJson(array[i]));
}
break;
}
case boost::json::kind::object:
result = LLSD::emptyMap();
for (const auto& element : val.as_object())
{
result[element.key()] = LlsdFromJson(element.value());
}
break;
}
return result;
}
//=========================================================================
boost::json::value LlsdToJson(const LLSD &val)
{
boost::json::value result;
switch (val.type())
{
case LLSD::TypeUndefined:
result = nullptr;
break;
case LLSD::TypeBoolean:
result = val.asBoolean();
break;
case LLSD::TypeInteger:
result = val.asInteger();
break;
case LLSD::TypeReal:
result = val.asReal();
break;
case LLSD::TypeURI:
case LLSD::TypeDate:
case LLSD::TypeUUID:
case LLSD::TypeString:
result = val.asString();
break;
case LLSD::TypeMap:
{
boost::json::object& obj = result.emplace_object();
obj.reserve(val.size());
for (const auto& llsd_dat : llsd::inMap(val))
{
obj[llsd_dat.first] = LlsdToJson(llsd_dat.second);
}
break;
}
case LLSD::TypeArray:
{
boost::json::array& json_array = result.emplace_array();
json_array.reserve(val.size());
for (const auto& llsd_dat : llsd::inArray(val))
{
json_array.push_back(LlsdToJson(llsd_dat));
}
break;
}
case LLSD::TypeBinary:
default:
LL_ERRS("LlsdToJson") << "Unsupported conversion to JSON from LLSD type ("
<< val.type() << ")." << LL_ENDL;
break;
}
return result;
}
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