1 files changed, 247 insertions, 0 deletions
diff --git a/src/lib/tools/fileinfo.cpp b/src/lib/tools/fileinfo.cpp
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+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file.
+** Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** 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.
+**
+**************************************************************************/
+
+#include "fileinfo.h"
+#include <QtCore/QCoreApplication>
+#include <QDir>
+#include <QFileInfo>
+#include <QDebug>
+#include <cassert>
+
+
+#ifdef Q_OS_UNIX
+#include <sys/stat.h>
+#endif
+
+namespace qbs {
+
+QString FileInfo::fileName(const QString &fp)
+{
+    int last = fp.lastIndexOf('/');
+    if (last < 0)
+        return fp;
+    return fp.mid(last + 1);
+}
+
+QString FileInfo::baseName(const QString &fp)
+{
+    QString fn = fileName(fp);
+    int dot = fn.indexOf('.');
+    if (dot < 0)
+        return fp;
+    return fn.mid(0, dot);
+}
+
+QString FileInfo::completeBaseName(const QString &fp)
+{
+    QString fn = fileName(fp);
+    int dot = fn.lastIndexOf('.');
+    if (dot < 0)
+        return fp;
+    return fn.mid(0, dot);
+}
+
+QString FileInfo::path(const QString &fp)
+{
+    if (fp.isEmpty())
+        return QString();
+    if (fp.at(fp.size() - 1) == '/')
+        return fp;
+    int last = fp.lastIndexOf('/');
+    if (last < 0)
+        return ".";
+    return QDir::cleanPath(fp.mid(0, last));
+}
+
+bool FileInfo::exists(const QString &fp)
+{
+    return FileInfo(fp).exists();
+}
+
+// from creator/src/shared/proparser/ioutils.cpp
+bool FileInfo::isAbsolute(const QString &path)
+{
+    if (path.startsWith(QLatin1Char('/')))
+        return true;
+#ifdef Q_OS_WIN
+    if (path.startsWith(QLatin1Char('\\')))
+        return true;
+    // 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 true;
+#endif
+    return false;
+}
+
+QString FileInfo::resolvePath(const QString &base, const QString &rel)
+{
+    if (isAbsolute(rel))
+        return rel;
+    if (rel == QLatin1String("."))
+        return base;
+
+    QString r = base;
+    if (!r.endsWith('/')) {
+        r.append('/');
+    }
+    r.append(rel);
+
+    return r;
+}
+
+bool FileInfo::globMatches(const QString &pattern, const QString &subject)
+{
+    // ### the QRegExp wildcard matcher is slow!
+    //QRegExp rex(pattern, Qt::CaseSensitive, QRegExp::Wildcard);
+    //return rex.exactMatch(subject);
+    return subject.endsWith(pattern.mid(1), Qt::CaseInsensitive);
+}
+
+static QString resolveSymlinks(const QString &fileName)
+{
+    QFileInfo fi(fileName);
+    while (fi.isSymLink())
+        fi.setFile(fi.symLinkTarget());
+    return fi.absoluteFilePath();
+}
+
+#if defined(Q_OS_WIN)
+
+#include <qt_windows.h>
+
+#define z(x) reinterpret_cast<WIN32_FILE_ATTRIBUTE_DATA*>(const_cast<FileInfo::InternalStatType*>(&x))
+
+template<bool> struct CompileTimeAssert;
+template<> struct CompileTimeAssert<true> {};
+
+FileInfo::FileInfo(const QString &fileName)
+{
+    static CompileTimeAssert<
+        sizeof(FileInfo::InternalStatType) == sizeof(WIN32_FILE_ATTRIBUTE_DATA)
+            > internal_type_has_wrong_size;
+    if (!GetFileAttributesEx(reinterpret_cast<const WCHAR*>(fileName.utf16()),
+                             GetFileExInfoStandard, &m_stat))
+    {
+        z(m_stat)->dwFileAttributes = INVALID_FILE_ATTRIBUTES;
+    }
+}
+
+bool FileInfo::exists() const
+{
+    return z(m_stat)->dwFileAttributes != INVALID_FILE_ATTRIBUTES;
+}
+
+FileTime FileInfo::lastModified() const
+{
+    return FileTime(*reinterpret_cast<const FileTime::InternalType*>(
+        &z(m_stat)->ftLastWriteTime));
+}
+
+QString applicationDirPath()
+{
+    static const QString appDirPath = FileInfo::path(resolveSymlinks(QCoreApplication::applicationFilePath()));
+    return appDirPath;
+}
+
+#elif defined(Q_OS_UNIX)
+
+FileInfo::FileInfo(const QString &fileName)
+{
+    if (stat(fileName.toLocal8Bit(), &m_stat) == -1)
+        m_stat.st_mtime = 0;
+}
+
+bool FileInfo::exists() const
+{
+    return m_stat.st_mtime != 0;
+}
+
+FileTime FileInfo::lastModified() const
+{
+    return m_stat.st_mtime;
+}
+
+QString applicationDirPath()
+{
+    return QCoreApplication::applicationDirPath();
+}
+
+#endif
+
+// adapted from qtc/plugins/vcsbase/cleandialog.cpp
+static bool removeFileRecursion(const QFileInfo &f, QString *errorMessage)
+{
+    if (!f.exists())
+        return true;
+    if (f.isDir()) {
+        const QDir dir(f.absoluteFilePath());
+        foreach(const QFileInfo &fi, dir.entryInfoList(QDir::AllEntries|QDir::NoDotAndDotDot|QDir::Hidden))
+            removeFileRecursion(fi, errorMessage);
+        QDir parent = f.absoluteDir();
+        if (!parent.rmdir(f.fileName())) {
+            errorMessage->append(FileInfo::tr("The directory %1 could not be deleted.").
+                                 arg(QDir::toNativeSeparators(f.absoluteFilePath())));
+            return false;
+        }
+    } else if (!QFile::remove(f.absoluteFilePath())) {
+        if (!errorMessage->isEmpty())
+            errorMessage->append(QLatin1Char('\n'));
+        errorMessage->append(FileInfo::tr("The file %1 could not be deleted.").
+                             arg(QDir::toNativeSeparators(f.absoluteFilePath())));
+        return false;
+    }
+    return true;
+}
+
+bool removeDirectoryWithContents(const QString &path, QString *errorMessage)
+{
+    QFileInfo f(path);
+    if (f.exists() && !f.isDir()) {
+        *errorMessage = FileInfo::tr("%1 is not a directory.").arg(QDir::toNativeSeparators(path));
+        return false;
+    }
+    return removeFileRecursion(f, errorMessage);
+}
+
+QString qbsRootPath()
+{
+    return QDir::cleanPath(applicationDirPath() + QLatin1String("/../"));
+}
+
+}