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Diffstat (limited to 'indra/newview/rlvhelper.h')
| -rw-r--r-- | indra/newview/rlvhelper.h | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/indra/newview/rlvhelper.h b/indra/newview/rlvhelper.h new file mode 100644 index 0000000000..f241332594 --- /dev/null +++ b/indra/newview/rlvhelper.h @@ -0,0 +1,299 @@ +/** + * @file rlvhelper.h + * @author Kitty Barnett + * @brief RLVa helper classes for internal use only + * + * $LicenseInfo:firstyear=2024&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2024, 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 + * $/LicenseInfo$ + */ + +#pragma once + +#include "rlvdefines.h" + +// ============================================================================ +// Forward declarations +// + +class RlvCommand; + +// ============================================================================ + +namespace Rlv +{ + // ============================================================================ + // BehaviourInfo class - Generic behaviour descriptor (used by restrictions, reply and force commands) + // + + class BehaviourInfo + { + public: + enum EBehaviourFlags : uint32_t + { + // General behaviour flags + Strict = 0x0001, // Behaviour has a "_sec" version + Synonym = 0x0002, // Behaviour is a synonym of another + Extended = 0x0004, // Behaviour is part of the RLVa extended command set + Experimental = 0x0008, // Behaviour is part of the RLVa experimental command set + Blocked = 0x0010, // Behaviour is blocked + Deprecated = 0x0020, // Behaviour is deprecated + MaskGeneral = 0x0FFF, + + // Force-wear specific flags + ForceWear_WearReplace = 0x0001 << 16, + ForceWear_WearAdd = 0x0002 << 16, + ForceWear_WearRemove = 0x0004 << 16, + ForceWear_Node = 0x0010 << 16, + ForceWear_Subtree = 0x0020 << 16, + ForceWear_ContextNone = 0x0100 << 16, + ForceWear_ContextObject = 0x0200 << 16, + MaskForceWear = 0xFFFFu << 16 + }; + + BehaviourInfo(const std::string& strBhvr, EBehaviour eBhvr, EParamType maskParamType, std::underlying_type_t<EBehaviourFlags> nBhvrFlags = 0) + : mBhvr(strBhvr), mBhvrType(eBhvr), mBhvrFlags(nBhvrFlags), mMaskParamType(to_underlying(maskParamType)) {} + virtual ~BehaviourInfo() {} + + const std::string& getBehaviour() const { return mBhvr; } + EBehaviour getBehaviourType() const { return mBhvrType; } + std::underlying_type_t<EBehaviourFlags> getBehaviourFlags() const { return mBhvrFlags; } + std::underlying_type_t<EParamType> getParamTypeMask() const { return mMaskParamType; } + bool hasStrict() const { return mBhvrFlags & Strict; } + bool isBlocked() const { return mBhvrFlags & Blocked; } + bool isExperimental() const { return mBhvrFlags & Experimental; } + bool isExtended() const { return mBhvrFlags & Extended; } + bool isSynonym() const { return mBhvrFlags & Synonym; } + void toggleBehaviourFlag(EBehaviourFlags eBhvrFlag, bool fEnable); + + virtual ECmdRet processCommand(const RlvCommand& rlvCmd) const { return ECmdRet::FailedNoProcessor; } + + protected: + std::string mBhvr; + EBehaviour mBhvrType; + std::underlying_type_t<EBehaviourFlags> mBhvrFlags; + std::underlying_type_t<EParamType> mMaskParamType; + }; + + inline void BehaviourInfo::toggleBehaviourFlag(EBehaviourFlags eBhvrFlag, bool fEnable) + { + if (fEnable) + mBhvrFlags |= eBhvrFlag; + else + mBhvrFlags &= ~eBhvrFlag; + } + + // ============================================================================ + // BehaviourDictionary and related classes + // + + class BehaviourDictionary : public LLSingleton<BehaviourDictionary> + { + LLSINGLETON(BehaviourDictionary); + protected: + ~BehaviourDictionary() override; + public: + void addEntry(const BehaviourInfo* entry_p); + + /* + * General helper functions + */ + public: + EBehaviour getBehaviourFromString(const std::string& strBhvr, EParamType eParamType, bool* is_strict_p = nullptr) const; + const BehaviourInfo* getBehaviourInfo(EBehaviour eBhvr, EParamType eParamType) const; + const BehaviourInfo* getBehaviourInfo(const std::string& strBhvr, EParamType eParamType, bool* is_strict_p = nullptr) const; + bool getCommands(const std::string& strMatch, EParamType eParamType, std::list<std::string>& cmdList) const; + bool getHasStrict(EBehaviour eBhvr) const; + void toggleBehaviourFlag(const std::string& strBhvr, EParamType eParamType, BehaviourInfo::EBehaviourFlags eBvhrFlag, bool fEnable); + + /* + * Member variables + */ + protected: + std::list<const BehaviourInfo*> mBhvrInfoList; + std::map<std::pair<std::string, EParamType>, const BehaviourInfo*> mString2InfoMap; + std::multimap<EBehaviour, const BehaviourInfo*> mBhvr2InfoMap; + }; + + // ============================================================================ + // CommandHandler and related classes + // + + typedef ECmdRet(BhvrHandlerFunc)(const RlvCommand&, bool&); + typedef void(BhvrToggleHandlerFunc)(EBehaviour, bool); + typedef ECmdRet(ForceHandlerFunc)(const RlvCommand&); + typedef ECmdRet(ReplyHandlerFunc)(const RlvCommand&, std::string&); + + // + // CommandHandlerBaseImpl - Base implementation for each command type (the old process(AddRem|Force|Reply)Command functions) + // + template<EParamType paramType> struct CommandHandlerBaseImpl; + template<> struct CommandHandlerBaseImpl<EParamType::AddRem> { static ECmdRet processCommand(const RlvCommand&, BhvrHandlerFunc*, BhvrToggleHandlerFunc* = nullptr); }; + template<> struct CommandHandlerBaseImpl<EParamType::Force> { static ECmdRet processCommand(const RlvCommand&, ForceHandlerFunc*); }; + template<> struct CommandHandlerBaseImpl<EParamType::Reply> { static ECmdRet processCommand(const RlvCommand&, ReplyHandlerFunc*); }; + + // + // CommandHandler - The actual command handler (Note that a handler is more general than a processor; a handler can - for instance - be used by multiple processors) + // + #if LL_WINDOWS + #define RLV_TEMPL_FIX(x) template<x> + #else + #define RLV_TEMPL_FIX(x) template<typename Placeholder = int> + #endif // LL_WINDOWS + + + template <EParamType templParamType, EBehaviour templBhvr> + struct CommandHandler + { + RLV_TEMPL_FIX(typename = typename std::enable_if<templParamType == EParamType::AddRem>::type) static ECmdRet onCommand(const RlvCommand&, bool&); + RLV_TEMPL_FIX(typename = typename std::enable_if<templParamType == EParamType::AddRem>::type) static void onCommandToggle(EBehaviour, bool); + RLV_TEMPL_FIX(typename = typename std::enable_if<templParamType == EParamType::Force>::type) static ECmdRet onCommand(const RlvCommand&); + RLV_TEMPL_FIX(typename = typename std::enable_if<templParamType == EParamType::Reply>::type) static ECmdRet onCommand(const RlvCommand&, std::string&); + }; + + // Aliases to improve readability in definitions + template<EBehaviour templBhvr> using BehaviourHandler = CommandHandler<EParamType::AddRem, templBhvr>; + template<EBehaviour templBhvr> using BehaviourToggleHandler = BehaviourHandler<templBhvr>; + template<EBehaviour templBhvr> using ForceHandler = CommandHandler<EParamType::Force, templBhvr>; + template<EBehaviour templBhvr> using ReplyHandler = CommandHandler<EParamType::Reply, templBhvr>; + + // List of shared handlers + using VersionReplyHandler = ReplyHandler<EBehaviour::Version>; // Shared between @version and @versionnew + + // + // CommandProcessor - Templated glue class that brings BehaviourInfo, CommandHandlerBaseImpl and CommandHandler together + // + template <EParamType templParamType, EBehaviour templBhvr, typename handlerImpl = CommandHandler<templParamType, templBhvr>, typename baseImpl = CommandHandlerBaseImpl<templParamType>> + class CommandProcessor : public BehaviourInfo + { + public: + // Default constructor used by behaviour specializations + RLV_TEMPL_FIX(typename = typename std::enable_if<templBhvr != EBehaviour::Unknown>::type) + CommandProcessor(const std::string& strBhvr, U32 nBhvrFlags = 0) : BehaviourInfo(strBhvr, templBhvr, templParamType, nBhvrFlags) {} + + // Constructor used when we don't want to specialize on behaviour (see BehaviourGenericProcessor) + RLV_TEMPL_FIX(typename = typename std::enable_if<templBhvr == EBehaviour::Unknown>::type) + CommandProcessor(const std::string& strBhvr, EBehaviour eBhvr, U32 nBhvrFlags = 0) : BehaviourInfo(strBhvr, eBhvr, templParamType, nBhvrFlags) {} + + ECmdRet processCommand(const RlvCommand& rlvCmd) const override { return baseImpl::processCommand(rlvCmd, &handlerImpl::onCommand); } + }; + + // Aliases to improve readability in definitions + template<EBehaviour templBhvr, typename handlerImpl = CommandHandler<EParamType::AddRem, templBhvr>> using BehaviourProcessor = CommandProcessor<EParamType::AddRem, templBhvr, handlerImpl>; + template<EBehaviour templBhvr, typename handlerImpl = CommandHandler<EParamType::Force, templBhvr>> using ForceProcessor = CommandProcessor<EParamType::Force, templBhvr, handlerImpl>; + template<EBehaviour templBhvr, typename handlerImpl = CommandHandler<EParamType::Reply, templBhvr>> using ReplyProcessor = CommandProcessor<EParamType::Reply, templBhvr, handlerImpl>; + + // Provides pre-defined generic implementations of basic behaviours (template voodoo - see original commit for something that still made sense) + template<EBehaviourOptionType templOptionType> struct BehaviourGenericHandler { static ECmdRet onCommand(const RlvCommand& rlvCmd, bool& fRefCount); }; + template<EBehaviourOptionType templOptionType> using BehaviourGenericProcessor = BehaviourProcessor<EBehaviour::Unknown, BehaviourGenericHandler<templOptionType>>; + template<EBehaviourOptionType templOptionType> struct ForceGenericHandler { static ECmdRet onCommand(const RlvCommand& rlvCmd); }; + template<EBehaviourOptionType templOptionType> using ForceGenericProcessor = ForceProcessor<EBehaviour::Unknown, ForceGenericHandler<templOptionType>>; + + // ============================================================================ + // BehaviourProcessor and related classes - Handles add/rem comamnds aka "restrictions) + // + + template <EBehaviour eBhvr, typename handlerImpl = BehaviourHandler<eBhvr>, typename toggleHandlerImpl = BehaviourToggleHandler<eBhvr>> + class BehaviourToggleProcessor : public BehaviourInfo + { + public: + BehaviourToggleProcessor(const std::string& strBhvr, U32 nBhvrFlags = 0) : BehaviourInfo(strBhvr, eBhvr, EParamType::AddRem, nBhvrFlags) {} + ECmdRet processCommand(const RlvCommand& rlvCmd) const override { return CommandHandlerBaseImpl<EParamType::AddRem>::processCommand(rlvCmd, &handlerImpl::onCommand, &toggleHandlerImpl::onCommandToggle); } + }; + template <EBehaviour eBhvr, EBehaviourOptionType optionType, typename toggleHandlerImpl = BehaviourToggleHandler<eBhvr>> using RlvBehaviourGenericToggleProcessor = BehaviourToggleProcessor<eBhvr, BehaviourGenericHandler<optionType>, toggleHandlerImpl>; + + // ============================================================================ + // Various helper classes/timers/functors + // + + struct CommandDbgOut + { + CommandDbgOut(const std::string& orig_cmd, bool for_console) : mOrigCmd(orig_cmd), mForConsole(for_console) {} + void add(std::string strCmd, ECmdRet eRet); + std::string get() const; + static std::string getDebugVerbFromReturnCode(ECmdRet eRet); + static std::string getReturnCodeString(ECmdRet eRet); + private: + std::string mOrigCmd; + std::map<ECmdRet, std::string> mCommandResults; + bool mForConsole = false; + }; +} + +// ============================================================================ +// RlvCommand +// + +class RlvCommand +{ +public: + explicit RlvCommand(const LLUUID& idObj, const std::string& strCmd); + RlvCommand(const RlvCommand& rlvCmd, Rlv::EParamType eParamType = Rlv::EParamType::Unknown); + + /* + * Member functions + */ +public: + std::string asString() const; + const std::string& getBehaviour() const { return mBehaviour; } + const Rlv::BehaviourInfo* getBehaviourInfo() const { return mBhvrInfo; } + Rlv::EBehaviour getBehaviourType() const { return (mBhvrInfo) ? mBhvrInfo->getBehaviourType() : Rlv::EBehaviour::Unknown; } + U32 getBehaviourFlags() const { return (mBhvrInfo) ? mBhvrInfo->getBehaviourFlags() : 0; } + const LLUUID& getObjectID() const { return mObjId; } + const std::string& getOption() const { return mOption; } + const std::string& getParam() const { return mParam; } + Rlv::EParamType getParamType() const { return mParamType; } + bool hasOption() const { return !mOption.empty(); } + bool isBlocked() const { return (mBhvrInfo) ? mBhvrInfo->isBlocked() : false; } + bool isRefCounted() const { return mIsRefCounted; } + bool isStrict() const { return mIsStrict; } + bool isValid() const { return mIsValid; } + Rlv::ECmdRet processCommand() const { return (mBhvrInfo) ? mBhvrInfo->processCommand(*this) : Rlv::ECmdRet::FailedNoProcessor; } + +protected: + static bool parseCommand(const std::string& strCommand, std::string& strBehaviour, std::string& strOption, std::string& strParam); + bool markRefCounted() const { return mIsRefCounted = true; } + + /* + * Operators + */ +public: + bool operator ==(const RlvCommand&) const; + + /* + * Member variables + */ +protected: + bool mIsValid = false; + LLUUID mObjId; + std::string mBehaviour; + const Rlv::BehaviourInfo* mBhvrInfo = nullptr; + Rlv::EParamType mParamType = Rlv::EParamType::Unknown; + bool mIsStrict = false; + std::string mOption; + std::string mParam; + mutable bool mIsRefCounted = false; + + friend class RlvHandler; + friend class RlvObject; + template<Rlv::EParamType> friend struct Rlv::CommandHandlerBaseImpl; +}; + +// ============================================================================ |