/** * @file llmessagetemplateparser.h * @brief Classes to parse message template. * * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * 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_MESSAGETEMPLATEPARSER_H #define LL_MESSAGETEMPLATEPARSER_H #include <string> #include "llmessagetemplate.h" class LLTemplateTokenizer { public: LLTemplateTokenizer(const std::string & contents); U32 line() const; bool atEOF() const; std::string next(); bool want(const std::string & token); bool wantEOF(); private: void inc(); void dec(); std::string get() const; void error(std::string message = "generic") const; struct positioned_token { std::string str; U32 line; }; bool mStarted; std::list<positioned_token> mTokens; std::list<positioned_token>::const_iterator mCurrent; }; class LLTemplateParser { public: typedef std::list<LLMessageTemplate *>::const_iterator message_iterator; static LLMessageTemplate * parseMessage(LLTemplateTokenizer & tokens); static LLMessageBlock * parseBlock(LLTemplateTokenizer & tokens); static LLMessageVariable * parseVariable(LLTemplateTokenizer & tokens); LLTemplateParser(LLTemplateTokenizer & tokens); message_iterator getMessagesBegin() const; message_iterator getMessagesEnd() const; F32 getVersion() const; private: F32 mVersion; std::list<LLMessageTemplate *> mMessages; }; #endif