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// This file is part of PUMA.
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// Copyright (C) 1999-2003 The PUMA developer team.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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// This program 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
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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#ifndef __sb_sequential_h__
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#define __sb_sequential_h__
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#include "Puma/ScanBuffer.h"
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#include "Puma/Source.h"
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class SB_Sequential : public ScanBuffer {
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char TokenBuffer[1024]; // Maximum token size!
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void init (Source &src) { source = &src; }
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char character = TokenBuffer[BuffPos++];
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if (BuffPos == BuffSize)
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char *token () { return TokenBuffer; }
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int len () const { return BuffPos; }
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void reset () { BuffPos = 0; BuffSize = 0; fetch (); }
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void retry () { BuffPos = 0; }
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void accept (int len) {
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BuffSize -= len; BuffPos = 0;
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memcpy (TokenBuffer, TokenBuffer + len, BuffSize);
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void more (int len) { BuffPos = len; }
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State state () const { return (BuffPos < BuffSize) ? STATE_OK : _state; }
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#endif /* __sb_sequential_h__ */