forked from qt-creator/qt-creator
087ea0e531
Now it's in accordance with clangrefactoringbackend/source and clangpchmanagerbackend/source. Change-Id: I939cfc72cffb8fcde0649f125e6efb6670d1cbc3 Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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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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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "clangfilesystemwatcher.h"
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#include "clangdocuments.h"
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#include <utf8stringvector.h>
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#include <QFileInfo>
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#include <QStringList>
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#include <algorithm>
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#include <iterator>
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namespace ClangBackEnd {
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namespace {
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QStringList toStringList(const QSet<Utf8String> &files)
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{
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QStringList resultList;
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resultList.reserve(files.size());
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std::copy(files.cbegin(), files.cend(), std::back_inserter(resultList));
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return resultList;
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}
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QStringList filterExistingFiles(QStringList &&filePaths)
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{
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auto fileExists = [] (const QString &filePath) {
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return QFileInfo::exists(filePath);
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};
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auto startOfNonExistingFilePaths = std::partition(filePaths.begin(),
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filePaths.end(),
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fileExists);
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filePaths.erase(startOfNonExistingFilePaths, filePaths.end());
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return filePaths;
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}
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}
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ClangFileSystemWatcher::ClangFileSystemWatcher(Documents &documents)
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: documents(documents)
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{
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connect(&watcher,
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&QFileSystemWatcher::fileChanged,
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this,
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&ClangFileSystemWatcher::updateDocumentsWithChangedDependencies);
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}
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void ClangFileSystemWatcher::addFiles(const QSet<Utf8String> &filePaths)
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{
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const auto existingFiles = filterExistingFiles(toStringList(filePaths));
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if (!existingFiles.isEmpty())
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watcher.addPaths(existingFiles);
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}
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void ClangFileSystemWatcher::updateDocumentsWithChangedDependencies(const QString &filePath)
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{
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documents.updateDocumentsWithChangedDependency(filePath);
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emit fileChanged(filePath);
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}
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} // namespace ClangBackEnd
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