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This document is not UTF8. It was detected as Shift JIS and converted to UTF8 for display.
/*
secstring.h - typedefs and conversion for secmem-backed std::strings.
Copyright (C) 2008 Klar舁vdalens Datakonsult AB (KDAB)
Written by Marc Mutz <marc@kdab.com>.
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; either version 2 of the
License, or (at your option) any later version.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "secstring.h"
// the following code has been ported from QByteArray to secstring.
// The licence of the original code:
/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information
** to ensure GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/
secstring toUtf8( const secqstring & str )
{
secstring ba;
if (const int l = str.size()) {
int rlen = l*3+1;
ba.reserve(rlen);
uchar *cursor = (uchar*)ba.data();
const QChar *ch = str.data();
for (int i=0; i < l; i++) {
uint u = ch->unicode();
if (u < 0x80) {
ba.push_back( (uchar)u );
} else {
if (u < 0x0800) {
ba.push_back( 0xc0 | ((uchar) (u >> 6)) );
} else {
if (ch->isHighSurrogate() && i < l-1) {
ushort low = ch[1].unicode();
if (ch[1].isLowSurrogate()) {
++ch;
++i;
u = QChar::surrogateToUcs4(u,low);
}
}
if (u > 0xffff) {
ba.push_back( 0xf0 | ((uchar) (u >> 18)) );
ba.push_back( 0x80 | (((uchar) (u >> 12)) & 0x3f) );
} else {
ba.push_back( 0xe0 | ((uchar) (u >> 12)) );
}
ba.push_back( 0x80 | (((uchar) (u >> 6)) & 0x3f) );
}
ba.push_back( 0x80 | ((uchar) (u&0x3f)) );
}
++ch;
}
}
return ba;
}

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