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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#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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