87 lines
2.5 KiB
C++
87 lines
2.5 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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* $LicenseInfo:firstyear=2000&license=viewergpl$
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*
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* Copyright (c) 2000-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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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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