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