llsdparam.h
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- /**
- * @file llsdparam.h
- * @brief parameter block abstraction for creating complex objects and
- * parsing construction parameters from xml and LLSD
- *
- * $LicenseInfo:firstyear=2008&license=viewergpl$
- *
- * Copyright (c) 2008-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLSDPARAM_H
- #define LL_LLSDPARAM_H
- #include "llinitparam.h"
- class LLParamSDParser
- : public LLInitParam::Parser,
- public LLSingleton<LLParamSDParser>
- {
- LOG_CLASS(LLParamSDParser);
- typedef LLInitParam::Parser parser_t;
- protected:
- LLParamSDParser();
- friend class LLSingleton<LLParamSDParser>;
- public:
- void readSD(const LLSD& sd, LLInitParam::BaseBlock& block, bool silent = false);
- void writeSD(LLSD& sd, const LLInitParam::BaseBlock& block);
- /*virtual*/ std::string getCurrentElementName();
- private:
- void readSDValues(const LLSD& sd, LLInitParam::BaseBlock& block);
- template<typename T>
- bool readTypedValue(void* val_ptr, boost::function<T(const LLSD&)> parser_func)
- {
- if (!mCurReadSD) return false;
- *((T*)val_ptr) = parser_func(*mCurReadSD);
- return true;
- }
- template<typename T>
- bool writeTypedValue(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(*((const T*)val_ptr));
- return true;
- }
- LLSD* getSDWriteNode(const parser_t::name_stack_t& name_stack);
- bool readSDParam(void* value_ptr);
- bool writeU32Param(const void* value_ptr, const parser_t::name_stack_t& name_stack);
- Parser::name_stack_t mNameStack;
- const LLSD* mCurReadSD;
- LLSD* mWriteSD;
- };
- template<typename T>
- class LLSDParamAdapter : public T
- {
- public:
- LLSDParamAdapter() {}
- LLSDParamAdapter(const LLSD& sd)
- {
- LLParamSDParser::instance().readSD(sd, *this);
- }
-
- LLSDParamAdapter(const T& val)
- {
- T::operator=(val);
- }
- };
- #endif // LL_LLSDPARAM_H