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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef ADC_TKP_HXX
#define ADC_TKP_HXX
// USED SERVICES
// BASE CLASSES
// COMPONENTS
class CharacterSource;
class TkpContext;
// PARAMETRS
/** This is the interface for parser classes, which get a sequence of tokens from
a text.
Start() starts to parse the text from the given i_rSource.
The algorithms for parsing tokens from the text are an issue of
the derived classes.
*/
class TokenParser
{
public:
// LIFECYCLE
TokenParser();
virtual ~TokenParser() {}
// OPERATIONS
/** Start parsing a character source. Any previously parsed sources
are discarded.
*/
virtual void Start(
CharacterSource &
i_rSource );
/// @return true, if there are more tokens to parse.
bool HasMore() const { return bHasMore; }
private:
void InitSource(
CharacterSource &
i_rSource );
virtual void SetStartContext() = 0;
virtual void SetCurrentContext(
TkpContext & io_rContext ) = 0;
virtual TkpContext &
CurrentContext() = 0;
// DATA
CharacterSource * pChars;
bool bHasMore;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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