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Diffstat (limited to 'tools/linguist/shared/ioutils.cpp')
-rw-r--r-- | tools/linguist/shared/ioutils.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/tools/linguist/shared/ioutils.cpp b/tools/linguist/shared/ioutils.cpp new file mode 100644 index 0000000..fbee8fc --- /dev/null +++ b/tools/linguist/shared/ioutils.cpp @@ -0,0 +1,152 @@ +/************************************************************************** +** +** This file is part of Qt Creator +** +** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** +** GNU Lesser General Public License Usage +** +** 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. +** +** Other Usage +** +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** If you have questions regarding the use of this file, please contact +** Nokia at info@qt.nokia.com. +** +**************************************************************************/ + +#include "ioutils.h" + +#include <QtCore/QDir> +#include <QtCore/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 QT_BOOTSTRAPPED +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; +} +#endif |