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/**
* @file llsdparam.cpp
* @brief parameter block abstraction for creating complex objects and
* parsing construction parameters from xml and LLSD
*
* $LicenseInfo:firstyear=2008&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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
* $/LicenseInfo$
*/
#include "linden_common.h"
// Project includes
#include "llsdparam.h"
//
// LLParamSDParser
//
LLParamSDParser::LLParamSDParser()
{
using boost::bind;
registerParserFuncs<S32>(bind(&LLParamSDParser::readTypedValue<S32>, this, _1, &LLSD::asInteger),
bind(&LLParamSDParser::writeTypedValue<S32>, this, _1, _2));
registerParserFuncs<U32>(bind(&LLParamSDParser::readTypedValue<U32>, this, _1, &LLSD::asInteger),
bind(&LLParamSDParser::writeU32Param, this, _1, _2));
registerParserFuncs<F32>(bind(&LLParamSDParser::readTypedValue<F32>, this, _1, &LLSD::asReal),
bind(&LLParamSDParser::writeTypedValue<F32>, this, _1, _2));
registerParserFuncs<F64>(bind(&LLParamSDParser::readTypedValue<F64>, this, _1, &LLSD::asReal),
bind(&LLParamSDParser::writeTypedValue<F64>, this, _1, _2));
registerParserFuncs<bool>(bind(&LLParamSDParser::readTypedValue<F32>, this, _1, &LLSD::asBoolean),
bind(&LLParamSDParser::writeTypedValue<F32>, this, _1, _2));
registerParserFuncs<std::string>(bind(&LLParamSDParser::readTypedValue<std::string>, this, _1, &LLSD::asString),
bind(&LLParamSDParser::writeTypedValue<std::string>, this, _1, _2));
registerParserFuncs<LLUUID>(bind(&LLParamSDParser::readTypedValue<LLUUID>, this, _1, &LLSD::asUUID),
bind(&LLParamSDParser::writeTypedValue<LLUUID>, this, _1, _2));
registerParserFuncs<LLDate>(bind(&LLParamSDParser::readTypedValue<LLDate>, this, _1, &LLSD::asDate),
bind(&LLParamSDParser::writeTypedValue<LLDate>, this, _1, _2));
registerParserFuncs<LLURI>(bind(&LLParamSDParser::readTypedValue<LLURI>, this, _1, &LLSD::asURI),
bind(&LLParamSDParser::writeTypedValue<LLURI>, this, _1, _2));
registerParserFuncs<LLSD>(bind(&LLParamSDParser::readSDParam, this, _1),
bind(&LLParamSDParser::writeTypedValue<LLSD>, this, _1, _2));
}
bool LLParamSDParser::readSDParam(void* value_ptr)
{
if (!mCurReadSD) return false;
*((LLSD*)value_ptr) = *mCurReadSD;
return true;
}
// special case handling of U32 due to ambiguous LLSD::assign overload
bool LLParamSDParser::writeU32Param(const void* val_ptr, const parser_t::name_stack_t& name_stack)
{
if (!mWriteSD) return false;
LLSD* sd_to_write = getSDWriteNode(name_stack);
if (!sd_to_write) return false;
sd_to_write->assign((S32)*((const U32*)val_ptr));
return true;
}
void LLParamSDParser::readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent)
{
mCurReadSD = NULL;
mNameStack.clear();
setParseSilently(silent);
readSDValues(sd, block);
}
void LLParamSDParser::writeSD(LLSD& sd, const LLInitParam::BaseBlock& block)
{
mWriteSD = &sd;
block.serializeBlock(*this);
}
void LLParamSDParser::readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block)
{
if (sd.isMap())
{
for (LLSD::map_const_iterator it = sd.beginMap();
it != sd.endMap();
++it)
{
mNameStack.push_back(make_pair(it->first, newParseGeneration()));
readSDValues(it->second, block);
mNameStack.pop_back();
}
}
else if (sd.isArray())
{
for (LLSD::array_const_iterator it = sd.beginArray();
it != sd.endArray();
++it)
{
mNameStack.back().second = newParseGeneration();
readSDValues(*it, block);
}
}
else
{
mCurReadSD = &sd;
block.submitValue(mNameStack, *this);
}
}
/*virtual*/ std::string LLParamSDParser::getCurrentElementName()
{
std::string full_name = "sd";
for (name_stack_t::iterator it = mNameStack.begin();
it != mNameStack.end();
++it)
{
full_name += llformat("[%s]", it->first.c_str());
}
return full_name;
}
LLSD* LLParamSDParser::getSDWriteNode(const parser_t::name_stack_t& name_stack)
{
//TODO: implement nested LLSD writing
return mWriteSD;
}
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