145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/**
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* @file llsdparam.cpp
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* @brief parameter block abstraction for creating complex objects and
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* parsing construction parameters from xml and LLSD
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*
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* $LicenseInfo:firstyear=2008&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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// Project includes
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#include "llsdparam.h"
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//
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// LLParamSDParser
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//
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LLParamSDParser::LLParamSDParser()
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{
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using boost::bind;
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registerParserFuncs<S32>(bind(&LLParamSDParser::readTypedValue<S32>, this, _1, &LLSD::asInteger),
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bind(&LLParamSDParser::writeTypedValue<S32>, this, _1, _2));
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registerParserFuncs<U32>(bind(&LLParamSDParser::readTypedValue<U32>, this, _1, &LLSD::asInteger),
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bind(&LLParamSDParser::writeU32Param, this, _1, _2));
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registerParserFuncs<F32>(bind(&LLParamSDParser::readTypedValue<F32>, this, _1, &LLSD::asReal),
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bind(&LLParamSDParser::writeTypedValue<F32>, this, _1, _2));
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registerParserFuncs<F64>(bind(&LLParamSDParser::readTypedValue<F64>, this, _1, &LLSD::asReal),
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bind(&LLParamSDParser::writeTypedValue<F64>, this, _1, _2));
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registerParserFuncs<bool>(bind(&LLParamSDParser::readTypedValue<F32>, this, _1, &LLSD::asBoolean),
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bind(&LLParamSDParser::writeTypedValue<F32>, this, _1, _2));
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registerParserFuncs<std::string>(bind(&LLParamSDParser::readTypedValue<std::string>, this, _1, &LLSD::asString),
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bind(&LLParamSDParser::writeTypedValue<std::string>, this, _1, _2));
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registerParserFuncs<LLUUID>(bind(&LLParamSDParser::readTypedValue<LLUUID>, this, _1, &LLSD::asUUID),
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bind(&LLParamSDParser::writeTypedValue<LLUUID>, this, _1, _2));
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registerParserFuncs<LLDate>(bind(&LLParamSDParser::readTypedValue<LLDate>, this, _1, &LLSD::asDate),
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bind(&LLParamSDParser::writeTypedValue<LLDate>, this, _1, _2));
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registerParserFuncs<LLURI>(bind(&LLParamSDParser::readTypedValue<LLURI>, this, _1, &LLSD::asURI),
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bind(&LLParamSDParser::writeTypedValue<LLURI>, this, _1, _2));
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registerParserFuncs<LLSD>(bind(&LLParamSDParser::readSDParam, this, _1),
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bind(&LLParamSDParser::writeTypedValue<LLSD>, this, _1, _2));
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}
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bool LLParamSDParser::readSDParam(void* value_ptr)
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{
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if (!mCurReadSD) return false;
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*((LLSD*)value_ptr) = *mCurReadSD;
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return true;
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}
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// special case handling of U32 due to ambiguous LLSD::assign overload
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bool LLParamSDParser::writeU32Param(const void* val_ptr, const parser_t::name_stack_t& name_stack)
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{
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if (!mWriteSD) return false;
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LLSD* sd_to_write = getSDWriteNode(name_stack);
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if (!sd_to_write) return false;
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sd_to_write->assign((S32)*((const U32*)val_ptr));
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return true;
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}
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void LLParamSDParser::readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent)
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{
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mCurReadSD = NULL;
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mNameStack.clear();
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setParseSilently(silent);
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readSDValues(sd, block);
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}
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void LLParamSDParser::writeSD(LLSD& sd, const LLInitParam::BaseBlock& block)
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{
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mWriteSD = &sd;
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block.serializeBlock(*this);
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}
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void LLParamSDParser::readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block)
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{
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if (sd.isMap())
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{
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for (LLSD::map_const_iterator it = sd.beginMap();
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it != sd.endMap();
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++it)
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{
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mNameStack.push_back(make_pair(it->first, newParseGeneration()));
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readSDValues(it->second, block);
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mNameStack.pop_back();
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}
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}
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else if (sd.isArray())
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{
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for (LLSD::array_const_iterator it = sd.beginArray();
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it != sd.endArray();
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++it)
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{
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mNameStack.back().second = newParseGeneration();
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readSDValues(*it, block);
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}
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}
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else
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{
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mCurReadSD = &sd;
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block.submitValue(mNameStack, *this);
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}
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}
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/*virtual*/ std::string LLParamSDParser::getCurrentElementName()
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{
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std::string full_name = "sd";
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for (name_stack_t::iterator it = mNameStack.begin();
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it != mNameStack.end();
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++it)
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{
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full_name += llformat("[%s]", it->first.c_str());
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}
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return full_name;
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}
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LLSD* LLParamSDParser::getSDWriteNode(const parser_t::name_stack_t& name_stack)
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{
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//TODO: implement nested LLSD writing
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return mWriteSD;
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}
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