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/**
* @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
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