151 lines
5.0 KiB
C++
151 lines
5.0 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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* $LicenseInfo:firstyear=2008&license=viewergpl$
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*
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* Copyright (c) 2008-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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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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