81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/**
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* @file llmessagetemplateparser.h
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* @brief Classes to parse message template.
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*
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* $LicenseInfo:firstyear=2000&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_MESSAGETEMPLATEPARSER_H
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#define LL_MESSAGETEMPLATEPARSER_H
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#include <string>
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#include "llmessagetemplate.h"
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class LLTemplateTokenizer
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{
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public:
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LLTemplateTokenizer(const std::string & contents);
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U32 line() const;
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bool atEOF() const;
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std::string next();
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bool want(const std::string & token);
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bool wantEOF();
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private:
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void inc();
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void dec();
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std::string get() const;
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void error(std::string message = "generic") const;
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struct positioned_token
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{
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std::string str;
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U32 line;
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};
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bool mStarted;
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std::list<positioned_token> mTokens;
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std::list<positioned_token>::const_iterator mCurrent;
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};
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class LLTemplateParser
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{
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public:
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typedef std::list<LLMessageTemplate *>::const_iterator message_iterator;
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static LLMessageTemplate * parseMessage(LLTemplateTokenizer & tokens);
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static LLMessageBlock * parseBlock(LLTemplateTokenizer & tokens);
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static LLMessageVariable * parseVariable(LLTemplateTokenizer & tokens);
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LLTemplateParser(LLTemplateTokenizer & tokens);
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message_iterator getMessagesBegin() const;
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message_iterator getMessagesEnd() const;
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F32 getVersion() const;
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private:
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F32 mVersion;
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std::list<LLMessageTemplate *> mMessages;
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};
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#endif
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