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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "ioutils.h"
#include <QDir>
#include <QFile>
#ifdef Q_OS_WIN
# include <windows.h>
#else
# include <sys/types.h>
# include <sys/stat.h>
# include <unistd.h>
#endif
using namespace ProFileEvaluatorInternal;
IoUtils::FileType IoUtils::fileType(const QString &fileName)
{
Q_ASSERT(fileName.isEmpty() || isAbsolutePath(fileName));
#ifdef Q_OS_WIN
DWORD attr = GetFileAttributesW((WCHAR*)fileName.utf16());
if (attr == INVALID_FILE_ATTRIBUTES)
return FileNotFound;
return (attr & FILE_ATTRIBUTE_DIRECTORY) ? FileIsDir : FileIsRegular;
#else
struct ::stat st;
if (::stat(fileName.toLocal8Bit().constData(), &st))
return FileNotFound;
return S_ISDIR(st.st_mode) ? FileIsDir : FileIsRegular;
#endif
}
bool IoUtils::isRelativePath(const QString &path)
{
if (path.startsWith(QLatin1Char('/')))
return false;
#ifdef Q_OS_WIN
if (path.startsWith(QLatin1Char('\\')))
return false;
// Unlike QFileInfo, this won't accept a relative path with a drive letter.
// Such paths result in a royal mess anyway ...
if (path.length() >= 3 && path.at(1) == QLatin1Char(':') && path.at(0).isLetter()
&& (path.at(2) == QLatin1Char('/') || path.at(2) == QLatin1Char('\\')))
return false;
#endif
return true;
}
QStringRef IoUtils::fileName(const QString &fileName)
{
return fileName.midRef(fileName.lastIndexOf(QLatin1Char('/')) + 1);
}
QString IoUtils::resolvePath(const QString &baseDir, const QString &fileName)
{
if (fileName.isEmpty())
return QString();
if (isAbsolutePath(fileName))
return QDir::cleanPath(fileName);
return QDir::cleanPath(baseDir + QLatin1Char('/') + fileName);
}
#ifdef Q_OS_WIN
// FIXME: Without this, quoting is not foolproof. But it needs support in the process setup, etc.
//#define PERCENT_ESCAPE QLatin1String("%PERCENT_SIGN%")
static QString quoteArgInternal(const QString &arg)
{
// Escape quotes, preceding backslashes are doubled. Surround with quotes.
// Note that cmd does not understand quote escapes in quoted strings,
// so the quoting needs to be "suspended".
const QLatin1Char bs('\\'), dq('"');
QString ret;
bool inquote = false;
int bslashes = 0;
for (int p = 0; p < arg.length(); p++) {
if (arg[p] == bs) {
bslashes++;
} else if (arg[p] == dq) {
if (inquote) {
ret.append(dq);
inquote = false;
}
for (; bslashes; bslashes--)
ret.append(QLatin1String("\\\\"));
ret.append(QLatin1String("\\^\""));
} else {
if (!inquote) {
ret.append(dq);
inquote = true;
}
for (; bslashes; bslashes--)
ret.append(bs);
ret.append(arg[p]);
}
}
//ret.replace(QLatin1Char('%'), PERCENT_ESCAPE);
if (bslashes) {
// Ensure that we don't have directly trailing backslashes,
// so concatenating with another string won't cause surprises.
if (!inquote)
ret.append(dq);
for (; bslashes; bslashes--)
ret.append(QLatin1String("\\\\"));
ret.append(dq);
} else if (inquote) {
ret.append(dq);
}
return ret;
}
inline static bool isSpecialChar(ushort c)
{
// Chars that should be quoted (TM). This includes:
// - control chars & space
// - the shell meta chars &()<>^|
// - the potential separators ,;=
static const uchar iqm[] = {
0xff, 0xff, 0xff, 0xff, 0x41, 0x13, 0x00, 0x78,
0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x10
};
return (c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7)));
}
QString IoUtils::shellQuote(const QString &arg)
{
if (arg.isEmpty())
return QString::fromLatin1("\"\"");
// Ensure that we don't have directly trailing backslashes,
// so concatenating with another string won't cause surprises.
if (arg.endsWith(QLatin1Char('\\')))
return quoteArgInternal(arg);
for (int x = arg.length() - 1; x >= 0; --x)
if (isSpecialChar(arg[x].unicode()))
return quoteArgInternal(arg);
// Escape quotes. Preceding backslashes are doubled.
// Note that the remaining string is not quoted.
QString ret(arg);
ret.replace(QRegExp(QLatin1String("(\\\\*)\"")), QLatin1String("\\1\\1\\^\""));
//ret.replace('%', PERCENT_ESCAPE);
return ret;
}
#else // Q_OS_WIN
inline static bool isSpecial(QChar cUnicode)
{
static const uchar iqm[] = {
0xff, 0xff, 0xff, 0xff, 0xdf, 0x07, 0x00, 0xd8,
0x00, 0x00, 0x00, 0x38, 0x01, 0x00, 0x00, 0x78
}; // 0-32 \'"$`<>|;&(){}*?#!~[]
uint c = cUnicode.unicode();
return (c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7)));
}
QString IoUtils::shellQuote(const QString &arg)
{
if (!arg.length())
return QString::fromLatin1("''");
for (int i = 0; i < arg.length(); i++)
if (isSpecial(arg.unicode()[i])) {
const QLatin1Char q('\'');
return q + QString(arg).replace(q, QLatin1String("'\\''")) + q;
}
return arg;
}
#endif // Q_OS_WIN
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