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authorNat Goodspeed <nat@lindenlab.com>2012-02-07 14:31:27 -0500
committerNat Goodspeed <nat@lindenlab.com>2012-02-07 14:31:27 -0500
commit2681d5403ca0cdf686077d7b14ffa9111f9e9f5d (patch)
tree1de7a70c9cf77417b893cdf8a163de315520a213 /indra/llcommon/llsdparam.h
parent33a42b32ca72031a79edca821966f6ebbdcddc93 (diff)
parent32e11494ffde368b2ac166e16dc294d66a18492f (diff)
Automated merge with file:C%3A%5CUsers%5CNat%5Clinden%5Cviewer-tut-fix
Diffstat (limited to 'indra/llcommon/llsdparam.h')
-rw-r--r--indra/llcommon/llsdparam.h126
1 files changed, 126 insertions, 0 deletions
diff --git a/indra/llcommon/llsdparam.h b/indra/llcommon/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
+ *
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLSDPARAM_H
+#define LL_LLSDPARAM_H
+
+#include "llinitparam.h"
+#include "boost/function.hpp"
+
+struct LL_COMMON_API LLParamSDParserUtilities
+{
+ static LLSD& getSDWriteNode(LLSD& input, LLInitParam::Parser::name_stack_range_t& name_stack_range);
+
+ typedef boost::function<void (const LLSD&, LLInitParam::Parser::name_stack_t&)> read_sd_cb_t;
+ static void readSDValues(read_sd_cb_t cb, const LLSD& sd, LLInitParam::Parser::name_stack_t& stack);
+ static void readSDValues(read_sd_cb_t cb, const LLSD& sd);
+};
+
+class LL_COMMON_API LLParamSDParser
+: public LLInitParam::Parser
+{
+LOG_CLASS(LLParamSDParser);
+
+typedef LLInitParam::Parser parser_t;
+
+public:
+ LLParamSDParser();
+ 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 submit(LLInitParam::BaseBlock& block, const LLSD& sd, LLInitParam::Parser::name_stack_t& name_stack);
+
+ template<typename T>
+ static bool writeTypedValue(Parser& parser, const void* val_ptr, parser_t::name_stack_t& name_stack)
+ {
+ LLParamSDParser& sdparser = static_cast<LLParamSDParser&>(parser);
+ if (!sdparser.mWriteRootSD) return false;
+
+ LLInitParam::Parser::name_stack_range_t range(name_stack.begin(), name_stack.end());
+ LLSD& sd_to_write = LLParamSDParserUtilities::getSDWriteNode(*sdparser.mWriteRootSD, range);
+
+ sd_to_write.assign(*((const T*)val_ptr));
+ return true;
+ }
+
+ static bool writeU32Param(Parser& parser, const void* value_ptr, parser_t::name_stack_t& name_stack);
+ static bool writeFlag(Parser& parser, const void* value_ptr, parser_t::name_stack_t& name_stack);
+
+ static bool readFlag(Parser& parser, void* val_ptr);
+ static bool readS32(Parser& parser, void* val_ptr);
+ static bool readU32(Parser& parser, void* val_ptr);
+ static bool readF32(Parser& parser, void* val_ptr);
+ static bool readF64(Parser& parser, void* val_ptr);
+ static bool readBool(Parser& parser, void* val_ptr);
+ static bool readString(Parser& parser, void* val_ptr);
+ static bool readUUID(Parser& parser, void* val_ptr);
+ static bool readDate(Parser& parser, void* val_ptr);
+ static bool readURI(Parser& parser, void* val_ptr);
+ static bool readSD(Parser& parser, void* val_ptr);
+
+ Parser::name_stack_t mNameStack;
+ const LLSD* mCurReadSD;
+ LLSD* mWriteRootSD;
+ LLSD* mCurWriteSD;
+};
+
+
+extern LL_COMMON_API LLFastTimer::DeclareTimer FTM_SD_PARAM_ADAPTOR;
+template<typename T>
+class LLSDParamAdapter : public T
+{
+public:
+ LLSDParamAdapter() {}
+ LLSDParamAdapter(const LLSD& sd)
+ {
+ LLFastTimer _(FTM_SD_PARAM_ADAPTOR);
+ LLParamSDParser parser;
+ // don't spam for implicit parsing of LLSD, as we want to allow arbitrary freeform data and ignore most of it
+ bool parse_silently = true;
+ parser.readSD(sd, *this, parse_silently);
+ }
+
+ operator LLSD() const
+ {
+ LLParamSDParser parser;
+ LLSD sd;
+ parser.writeSD(sd, *this);
+ return sd;
+ }
+
+ LLSDParamAdapter(const T& val)
+ : T(val)
+ {
+ T::operator=(val);
+ }
+};
+
+#endif // LL_LLSDPARAM_H
+