2013-05-29 18:18:51 +00:00
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/****************************************************************************
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**
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2014-08-21 13:51:22 +00:00
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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2013-05-29 18:18:51 +00:00
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the qmake application of the Qt Toolkit.
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**
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2014-08-21 13:51:22 +00:00
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** $QT_BEGIN_LICENSE:LGPL21$
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2013-05-29 18:18:51 +00:00
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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2014-08-21 13:51:22 +00:00
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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2013-05-29 18:18:51 +00:00
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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2014-08-21 13:51:22 +00:00
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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2013-05-29 18:18:51 +00:00
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**
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** In addition, as a special exception, Digia gives you certain additional
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2014-08-21 13:51:22 +00:00
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** rights. These rights are described in the Digia Qt LGPL Exception
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2013-05-29 18:18:51 +00:00
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qmakevfs.h"
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#include "ioutils.h"
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using namespace QMakeInternal;
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#include <qdir.h>
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#include <qfile.h>
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#include <qfileinfo.h>
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#define fL1S(s) QString::fromLatin1(s)
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QT_BEGIN_NAMESPACE
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QMakeVfs::QMakeVfs()
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#ifndef PROEVALUATOR_FULL
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: m_magicMissing(fL1S("missing"))
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, m_magicExisting(fL1S("existing"))
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#endif
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{
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}
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bool QMakeVfs::writeFile(const QString &fn, QIODevice::OpenMode mode, const QString &contents,
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QString *errStr)
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{
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#ifndef PROEVALUATOR_FULL
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# ifdef PROEVALUATOR_THREAD_SAFE
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QMutexLocker locker(&m_mutex);
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# endif
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QString *cont = &m_files[fn];
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if (mode & QIODevice::Append)
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*cont += contents;
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else
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*cont = contents;
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Q_UNUSED(errStr)
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return true;
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#else
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QFileInfo qfi(fn);
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if (!QDir::current().mkpath(qfi.path())) {
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*errStr = fL1S("Cannot create parent directory");
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return false;
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}
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QByteArray bytes = contents.toLocal8Bit();
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QFile cfile(fn);
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if (!(mode & QIODevice::Append) && cfile.open(QIODevice::ReadOnly | QIODevice::Text)) {
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if (cfile.readAll() == bytes)
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return true;
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cfile.close();
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}
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if (!cfile.open(mode | QIODevice::WriteOnly | QIODevice::Text)) {
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*errStr = cfile.errorString();
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return false;
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}
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cfile.write(bytes);
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cfile.close();
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if (cfile.error() != QFile::NoError) {
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*errStr = cfile.errorString();
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return false;
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}
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return true;
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#endif
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}
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bool QMakeVfs::readFile(const QString &fn, QString *contents, QString *errStr)
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{
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#ifndef PROEVALUATOR_FULL
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# ifdef PROEVALUATOR_THREAD_SAFE
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QMutexLocker locker(&m_mutex);
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# endif
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QHash<QString, QString>::ConstIterator it = m_files.constFind(fn);
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if (it != m_files.constEnd()) {
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if (it->constData() == m_magicMissing.constData()) {
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*errStr = fL1S("No such file or directory");
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return false;
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}
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if (it->constData() != m_magicExisting.constData()) {
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*contents = *it;
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return true;
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}
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}
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#endif
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QFile file(fn);
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if (!file.open(QIODevice::ReadOnly)) {
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#ifndef PROEVALUATOR_FULL
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if (!IoUtils::exists(fn)) {
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m_files[fn] = m_magicMissing;
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*errStr = fL1S("No such file or directory");
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} else
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#endif
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*errStr = file.errorString();
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return false;
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}
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#ifndef PROEVALUATOR_FULL
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m_files[fn] = m_magicExisting;
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#endif
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QByteArray bcont = file.readAll();
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if (bcont.startsWith("\xef\xbb\xbf")) {
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// UTF-8 BOM will cause subtle errors
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*errStr = fL1S("Unexpected UTF-8 BOM");
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return false;
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}
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*contents = QString::fromLocal8Bit(bcont);
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return true;
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}
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bool QMakeVfs::exists(const QString &fn)
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{
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#ifndef PROEVALUATOR_FULL
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# ifdef PROEVALUATOR_THREAD_SAFE
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QMutexLocker locker(&m_mutex);
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# endif
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QHash<QString, QString>::ConstIterator it = m_files.constFind(fn);
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if (it != m_files.constEnd())
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return it->constData() != m_magicMissing.constData();
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#endif
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bool ex = IoUtils::exists(fn);
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#ifndef PROEVALUATOR_FULL
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m_files[fn] = ex ? m_magicExisting : m_magicMissing;
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#endif
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return ex;
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}
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#ifndef PROEVALUATOR_FULL
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// This should be called when the sources may have changed (e.g., VCS update).
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void QMakeVfs::invalidateCache()
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{
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# ifdef PROEVALUATOR_THREAD_SAFE
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QMutexLocker locker(&m_mutex);
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# endif
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QHash<QString, QString>::Iterator it = m_files.begin(), eit = m_files.end();
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while (it != eit) {
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if (it->constData() == m_magicMissing.constData()
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||it->constData() == m_magicExisting.constData())
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it = m_files.erase(it);
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else
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++it;
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}
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}
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// This should be called when generated files may have changed (e.g., actual build).
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void QMakeVfs::invalidateContents()
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{
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# ifdef PROEVALUATOR_THREAD_SAFE
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QMutexLocker locker(&m_mutex);
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# endif
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m_files.clear();
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}
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#endif
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QT_END_NAMESPACE
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