/** * @file llsyntaxid.h * @brief Contains methods to access the LSLSyntaxId feature and LSLSyntax capability * to use the appropriate syntax file for the current region's LSL version. * @author Ima Mechanique, Cinder Roxley * * $LicenseInfo:firstyear=2013&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2013, 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_SYNTAXID_H #define LL_SYNTAXID_H #include "llviewerprecompiledheaders.h" #include "llsingleton.h" #include "lleventcoro.h" #include "llcoros.h" class fetchKeywordsFileResponder; class LLSyntaxIdLSL : public LLSingleton<LLSyntaxIdLSL> { LLSINGLETON(LLSyntaxIdLSL); friend class fetchKeywordsFileResponder; private: std::set<std::string> mInflightFetches; typedef boost::signals2::signal<void()> syntax_id_changed_signal_t; syntax_id_changed_signal_t mSyntaxIDChangedSignal; boost::signals2::connection mRegionChangedCallback; bool syntaxIdChanged(); bool isSupportedVersion(const LLSD& content); void handleRegionChanged(); void handleCapsReceived(const LLUUID& region_uuid); void setKeywordsXml(const LLSD& content) { mKeywordsXml = content; }; void buildFullFileSpec(); void fetchKeywordsFile(const std::string& filespec); void loadDefaultKeywordsIntoLLSD(); void loadKeywordsIntoLLSD(); void fetchKeywordsFileCoro(std::string url, std::string fileSpec); void cacheFile(const std::string &fileSpec, const LLSD& content_ref); std::string mCapabilityURL; std::string mFullFileSpec; ELLPath mFilePath; LLUUID mSyntaxId; LLSD mKeywordsXml; bool mInitialized; public: void initialize(); bool keywordFetchInProgress(); LLSD getKeywordsXML() const { return mKeywordsXml; }; boost::signals2::connection addSyntaxIDCallback(const syntax_id_changed_signal_t::slot_type& cb); }; #endif // LLSYNTAXID_H