105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/**
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* @file llsdparam.h
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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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#ifndef LL_LLSDPARAM_H
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#define LL_LLSDPARAM_H
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#include "llinitparam.h"
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class LLParamSDParser
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: public LLInitParam::Parser
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{
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LOG_CLASS(LLParamSDParser);
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typedef LLInitParam::Parser parser_t;
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public:
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LLParamSDParser();
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void readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent = false);
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void writeSD(LLSD& sd, const LLInitParam::BaseBlock& block);
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/*virtual*/ std::string getCurrentElementName();
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private:
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void readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block);
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template<typename T>
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static bool writeTypedValue(Parser& parser, const void* val_ptr, const parser_t::name_stack_t& name_stack)
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{
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LLParamSDParser& sdparser = static_cast<LLParamSDParser&>(parser);
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if (!sdparser.mWriteRootSD) return false;
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LLSD* sd_to_write = sdparser.getSDWriteNode(name_stack);
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if (!sd_to_write) return false;
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sd_to_write->assign(*((const T*)val_ptr));
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return true;
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}
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LLSD* getSDWriteNode(const parser_t::name_stack_t& name_stack);
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static bool writeU32Param(Parser& parser, const void* value_ptr, const parser_t::name_stack_t& name_stack);
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static bool writeNoValue(Parser& parser, const void* value_ptr, const parser_t::name_stack_t& name_stack);
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static bool readNoValue(Parser& parser, void* val_ptr);
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static bool readS32(Parser& parser, void* val_ptr);
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static bool readU32(Parser& parser, void* val_ptr);
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static bool readF32(Parser& parser, void* val_ptr);
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static bool readF64(Parser& parser, void* val_ptr);
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static bool readBool(Parser& parser, void* val_ptr);
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static bool readString(Parser& parser, void* val_ptr);
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static bool readUUID(Parser& parser, void* val_ptr);
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static bool readDate(Parser& parser, void* val_ptr);
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static bool readURI(Parser& parser, void* val_ptr);
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static bool readSD(Parser& parser, void* val_ptr);
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Parser::name_stack_t mNameStack;
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const LLSD* mCurReadSD;
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LLSD* mWriteRootSD;
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LLSD* mCurWriteSD;
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};
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template<typename T>
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class LLSDParamAdapter : public T
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{
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public:
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LLSDParamAdapter() {}
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LLSDParamAdapter(const LLSD& sd)
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{
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LLParamSDParser parser;
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parser.readSD(sd, *this);
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}
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LLSDParamAdapter(const T& val)
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{
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T::operator=(val);
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}
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};
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#endif // LL_LLSDPARAM_H
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