scsuutf8.h

Go to the documentation of this file.

/******************************************************************************
 *
 * scsuutf8.h - class SCSUUTF8: an Encoding filter which converts SCSU to UTF8
 *
 * $Id: scsuutf8.h 3786 2020-08-30 11:35:14Z scribe $
 *
 * Copyright 2001-2013 CrossWire Bible Society (http://www.crosswire.org)
 *  CrossWire Bible Society
 *  P. O. Box 2528
 *  Tempe, AZ  85280-2528
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation version 2.
 *
 * This program 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
 * General Public License for more details.
 *
 */

#ifndef SCSUUTF8_H
#define SCSUUTF8_H

#include <swfilter.h>

#ifdef _ICU_
#include <unicode/utypes.h>
#include <unicode/ucnv.h>
#include <unicode/uchar.h>
#endif

SWORD_NAMESPACE_START

class SWDLLEXPORT SCSUUTF8 : public SWFilter {
private:
#ifdef _ICU_
    UConverter* scsuConv;
    UConverter* utf8Conv;
    UErrorCode err;
#else
    // without ICU, we'll attempt to use Roman Czyborra's SCSU decoder code
    unsigned char active;
    bool mode;
    unsigned long c, d;

    static unsigned short start[8];
    static unsigned short slide[8];
    static unsigned short win[256];

    int UTF8Output(unsigned long, SWBuf* utf8Buf);
#endif

public:
    SCSUUTF8();
    ~SCSUUTF8();
    virtual char processText(SWBuf &text, const SWKey *key = 0, const SWModule *module = 0);
};

SWORD_NAMESPACE_END
#endif