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/******************************************************************************
*
* utf8scsu.cpp - SWFilter descendant to convert UTF-8 to SCSU
*
* $Id: utf8scsu.cpp 3100 2014-03-12 04:34:32Z chrislit $
*
* Copyright 2001-2014 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.
*
*/
#ifdef _ICU_
#include <utf8scsu.h>
#include <swbuf.h>
SWORD_NAMESPACE_START
UTF8SCSU::UTF8SCSU() {
// initialize SCSU converter
scsuConv = ucnv_open("SCSU", &err);
// initialize UTF-8 converter
utf8Conv = ucnv_open("UTF-8", &err);
}
UTF8SCSU::~UTF8SCSU() {
ucnv_close(scsuConv);
ucnv_close(utf8Conv);
}
char UTF8SCSU::processText(SWBuf &text, const SWKey *key, const SWModule *module) {
if ((unsigned long)key < 2) // hack, we're en(1)/de(0)ciphering
return -1;
err = U_ZERO_ERROR;
icu::UnicodeString utf16Text(text.getRawData(), text.length(), utf8Conv, err);
err = U_ZERO_ERROR;
int32_t len = utf16Text.extract(text.getRawData(), text.size(), scsuConv, err);
if (len > (int32_t)text.size()+1) {
text.setSize(len+1);
utf16Text.extract(text.getRawData(), text.size(), scsuConv, err);
}
return 0;
}
SWORD_NAMESPACE_END
#endif
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