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Diffstat (limited to 'indra/llui/llsdparam.cpp')
| -rw-r--r-- | indra/llui/llsdparam.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/indra/llui/llsdparam.cpp b/indra/llui/llsdparam.cpp new file mode 100644 index 0000000000..1b0f3c9885 --- /dev/null +++ b/indra/llui/llsdparam.cpp @@ -0,0 +1,158 @@ +/** + * @file llsdparam.cpp + * @brief parameter block abstraction for creating complex objects and + * parsing construction parameters from xml and LLSD + * + * $LicenseInfo:firstyear=2008&license=viewergpl$ + * + * Copyright (c) 2008-2009, 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. + * $/LicenseInfo$ + */ + +#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); + + // must have named elements at top level to submit for parsing + if (sd.isMap()) + { + readSDValues(sd, block); + } + else + { + parserWarning("Top level map required for LLSD->Block conversion"); + } +} + +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; +} + |