Clang: Rename directory ipcsource to source

Now it's in accordance with clangrefactoringbackend/source and
clangpchmanagerbackend/source.

Change-Id: I939cfc72cffb8fcde0649f125e6efb6670d1cbc3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/tools/clangbackend/source/unsavedfiles.cpp

@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "unsavedfiles.h"
+
+#include "clangunsavedfilesshallowarguments.h"
+#include "unsavedfile.h"
+
+#include <QSharedData>
+
+#include <algorithm>
+
+namespace ClangBackEnd {
+
+class UnsavedFilesData : public QSharedData
+{
+public:
+    UnsavedFilesData();
+
+public:
+    TimePoint lastChangeTimePoint;
+    QVector<UnsavedFile> unsavedFiles;
+};
+
+UnsavedFilesData::UnsavedFilesData()
+    : lastChangeTimePoint(Clock::now())
+{
+}
+
+UnsavedFiles::UnsavedFiles()
+    : d(new UnsavedFilesData)
+{
+}
+
+UnsavedFiles::~UnsavedFiles()
+{
+}
+
+UnsavedFiles::UnsavedFiles(const UnsavedFiles &other)
+    : d(other.d)
+{
+}
+
+UnsavedFiles &UnsavedFiles::operator=(const UnsavedFiles &other)
+{
+    d = other.d;
+    return *this;
+}
+
+void UnsavedFiles::createOrUpdate(const QVector<FileContainer> &fileContainers)
+{
+    for (const FileContainer &fileContainer : fileContainers)
+        updateUnsavedFileWithFileContainer(fileContainer);
+
+    updateLastChangeTimePoint();
+}
+
+void UnsavedFiles::remove(const QVector<FileContainer> &fileContainers)
+{
+    for (const FileContainer &fileContainer : fileContainers)
+        removeUnsavedFile(fileContainer);
+
+    updateLastChangeTimePoint();
+}
+
+UnsavedFile &UnsavedFiles::unsavedFile(const Utf8String &filePath)
+{
+    const auto isMatchingFile = [filePath] (const UnsavedFile &unsavedFile) {
+        return unsavedFile.filePath() == filePath;
+    };
+    const auto unsavedFileIterator = std::find_if(d->unsavedFiles.begin(),
+                                                  d->unsavedFiles.end(),
+                                                  isMatchingFile);
+
+    if (unsavedFileIterator != d->unsavedFiles.end())
+        return *unsavedFileIterator;
+
+    static UnsavedFile defaultUnsavedFile = UnsavedFile(Utf8String(), Utf8String());
+    return defaultUnsavedFile;
+}
+
+uint UnsavedFiles::count() const
+{
+    return uint(d->unsavedFiles.size());
+}
+
+const UnsavedFile &UnsavedFiles::at(int index) const
+{
+    return d->unsavedFiles.at(index);
+}
+
+UnsavedFilesShallowArguments UnsavedFiles::shallowArguments() const
+{
+    return UnsavedFilesShallowArguments(*this);
+}
+
+const TimePoint UnsavedFiles::lastChangeTimePoint() const
+{
+    return d->lastChangeTimePoint;
+}
+
+void UnsavedFiles::updateUnsavedFileWithFileContainer(const FileContainer &fileContainer)
+{
+    if (fileContainer.hasUnsavedFileContent())
+        addOrUpdateUnsavedFile(fileContainer);
+    else
+        removeUnsavedFile(fileContainer);
+}
+
+void UnsavedFiles::removeUnsavedFile(const FileContainer &fileContainer)
+{
+    const Utf8String filePath = fileContainer.filePath();
+    auto removeBeginIterator = std::partition(d->unsavedFiles.begin(),
+                                              d->unsavedFiles.end(),
+                                              [filePath] (const UnsavedFile &unsavedFile) { return filePath != unsavedFile.filePath(); });
+
+    d->unsavedFiles.erase(removeBeginIterator, d->unsavedFiles.end());
+}
+
+void UnsavedFiles::addOrUpdateUnsavedFile(const FileContainer &fileContainer)
+{
+    const Utf8String filePath = fileContainer.filePath();
+    const Utf8String fileContent = fileContainer.unsavedFileContent();
+    auto isSameFile = [filePath] (const UnsavedFile &unsavedFile) { return filePath == unsavedFile.filePath(); };
+
+    auto unsavedFileIterator = std::find_if(d->unsavedFiles.begin(), d->unsavedFiles.end(), isSameFile);
+    if (unsavedFileIterator == d->unsavedFiles.end())
+        d->unsavedFiles.append(UnsavedFile(filePath, fileContent));
+    else
+        *unsavedFileIterator = UnsavedFile(filePath, fileContent);
+}
+
+void UnsavedFiles::updateLastChangeTimePoint()
+{
+    d->lastChangeTimePoint = Clock::now();
+}
+
+} // namespace ClangBackEnd