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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)
**
** 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 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#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);
}
inline static bool isSpecialChar(ushort c)
{
// Chars that should be quoted (TM). This includes:
#ifdef Q_OS_WIN
// - control chars & space
// - the shell meta chars "&()<>^|
// - the potential separators ,;=
static const uchar iqm[] = {
0xff, 0xff, 0xff, 0xff, 0x45, 0x13, 0x00, 0x78,
0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x10
};
#else
static const uchar iqm[] = {
0xff, 0xff, 0xff, 0xff, 0xdf, 0x07, 0x00, 0xd8,
0x00, 0x00, 0x00, 0x38, 0x01, 0x00, 0x00, 0x78
}; // 0-32 \'"$`<>|;&(){}*?#!~[]
#endif
return (c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7)));
}
inline static bool hasSpecialChars(const QString &arg)
{
for (int x = arg.length() - 1; x >= 0; --x)
if (isSpecialChar(arg.unicode()[x].unicode()))
return true;
return false;
}
QString IoUtils::shellQuote(const QString &arg)
{
if (!arg.length())
return QString::fromLatin1("\"\"");
QString ret(arg);
if (hasSpecialChars(ret)) {
#ifdef Q_OS_WIN
// Quotes are escaped and their preceding backslashes are doubled.
// It's impossible to escape anything inside a quoted string on cmd
// level, so the outer quoting must be "suspended".
ret.replace(QRegExp(QLatin1String("(\\\\*)\"")), QLatin1String("\"\\1\\1\\^\"\""));
// The argument must not end with a \ since this would be interpreted
// as escaping the quote -- rather put the \ behind the quote: e.g.
// rather use "foo"\ than "foo\"
int i = ret.length();
while (i > 0 && ret.at(i - 1) == QLatin1Char('\\'))
--i;
ret.insert(i, QLatin1Char('"'));
ret.prepend(QLatin1Char('"'));
#else // Q_OS_WIN
ret.replace(QLatin1Char('\''), QLatin1String("'\\''"));
ret.prepend(QLatin1Char('\''));
ret.append(QLatin1Char('\''));
#endif // Q_OS_WIN
}
return ret;
}
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