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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "stringinputstream.h"
#include <ctype.h>
namespace Debugger {
namespace Internal {
StringInputStream::StringInputStream(QString &str) :
m_target(str)
{
}
void StringInputStream::appendSeparator(char c)
{
if (!m_target.isEmpty() && !m_target.endsWith(c))
m_target.append(c);
}
void hexPrefixOn(StringInputStream &bs)
{
bs.setHexPrefix(true);
}
void hexPrefixOff(StringInputStream &bs)
{
bs.setHexPrefix(false);
}
void hex(StringInputStream &bs)
{
bs.setIntegerBase(16);
}
void dec(StringInputStream &bs)
{
bs.setIntegerBase(10);
}
void blankSeparator(StringInputStream &bs)
{
bs.appendSeparator();
}
QByteArray trimFront(QByteArray in)
{
if (in.isEmpty())
return in;
const int size = in.size();
int pos = 0;
for ( ; pos < size && isspace(in.at(pos)); pos++) ;
if (pos)
in.remove(0, pos);
return in;
}
QByteArray trimBack(QByteArray in)
{
if (in.isEmpty())
return in;
const int size = in.size();
int pos = size - 1;
for ( ; pos >= 0 && isspace(in.at(pos)); pos--) ;
if (pos != size - 1)
in.truncate(pos + 1);
return in;
}
// Simplify: replace tabs, find all occurrences
// of 2 blanks, check further up for blanks and remove that bit.
QByteArray simplify(const QByteArray &inIn)
{
if (inIn.isEmpty())
return inIn;
QByteArray in = trimFront(trimBack(inIn));
in.replace('\t', ' ');
in.replace('\n', ' ');
in.replace('\r', ' ');
const QByteArray twoBlanks = " ";
while (true) {
const int pos = in.indexOf(twoBlanks);
if (pos != -1) {
const int size = in.size();
int endPos = pos + twoBlanks.size();
for ( ; endPos < size && in.at(endPos) == ' '; endPos++) ;
in.remove(pos + 1, endPos - pos - 1);
} else {
break;
}
}
return in;
}
} // namespace Internal
} // namespace Debugger
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