Clang: Rename CodeModelBackEnd in ClangBackEnd

Change-Id: I13e8a458634110456375956d4d4da7239c86957f
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/tools/clangbackend/ipcsource/unsavedfiles.cpp

@@ -0,0 +1,188 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://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 Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "unsavedfiles.h"
+
+
+#include <cstring>
+
+namespace ClangBackEnd {
+
+class UnsavedFilesData
+{
+public:
+    UnsavedFilesData();
+    ~UnsavedFilesData();
+
+public:
+    time_point lastChangeTimePoint;
+    std::vector<CXUnsavedFile> cxUnsavedFiles;
+};
+
+UnsavedFilesData::UnsavedFilesData()
+    : lastChangeTimePoint(std::chrono::steady_clock::now())
+{
+}
+
+UnsavedFilesData::~UnsavedFilesData()
+{
+    for (const CXUnsavedFile &cxUnsavedFile : cxUnsavedFiles)
+        UnsavedFiles::deleteCXUnsavedFile(cxUnsavedFile);
+
+    cxUnsavedFiles.clear();
+}
+
+UnsavedFiles::UnsavedFiles()
+    : d(std::make_shared<UnsavedFilesData>())
+{
+}
+
+UnsavedFiles::~UnsavedFiles() = default;
+
+UnsavedFiles::UnsavedFiles(const UnsavedFiles &) = default;
+UnsavedFiles &UnsavedFiles::operator=(const UnsavedFiles &) = default;
+
+UnsavedFiles::UnsavedFiles(UnsavedFiles &&other)
+    : d(std::move(other.d))
+{
+}
+
+UnsavedFiles &UnsavedFiles::operator=(UnsavedFiles &&other)
+{
+    d = std::move(other.d);
+
+    return *this;
+}
+
+void UnsavedFiles::createOrUpdate(const QVector<FileContainer> &fileContainers)
+{
+    for (const FileContainer &fileContainer : fileContainers)
+        updateCXUnsavedFileWithFileContainer(fileContainer);
+
+    updateLastChangeTimePoint();
+}
+
+void UnsavedFiles::remove(const QVector<FileContainer> &fileContainers)
+{
+    for (const FileContainer &fileContainer : fileContainers)
+        removeCXUnsavedFile(fileContainer);
+
+    updateLastChangeTimePoint();
+}
+
+void UnsavedFiles::clear()
+{
+    for (const CXUnsavedFile &cxUnsavedFile : d->cxUnsavedFiles)
+        deleteCXUnsavedFile(cxUnsavedFile);
+
+    d->cxUnsavedFiles.clear();
+    updateLastChangeTimePoint();
+}
+
+int UnsavedFiles::count() const
+{
+    return d->cxUnsavedFiles.size();
+}
+
+CXUnsavedFile *UnsavedFiles::cxUnsavedFiles() const
+{
+    return d->cxUnsavedFiles.data();
+}
+
+const std::vector<CXUnsavedFile> &UnsavedFiles::cxUnsavedFileVector() const
+{
+    return d->cxUnsavedFiles;
+}
+
+const time_point &UnsavedFiles::lastChangeTimePoint() const
+{
+    return d->lastChangeTimePoint;
+}
+
+CXUnsavedFile UnsavedFiles::createCxUnsavedFile(const Utf8String &filePath, const Utf8String &fileContent)
+{
+    char *cxUnsavedFilePath = new char[filePath.byteSize() + 1];
+    char *cxUnsavedFileContent = new char[fileContent.byteSize() + 1];
+
+    std::memcpy(cxUnsavedFilePath, filePath.constData(), filePath.byteSize() + 1);
+    std::memcpy(cxUnsavedFileContent, fileContent.constData(), fileContent.byteSize() + 1);
+
+    return CXUnsavedFile { cxUnsavedFilePath, cxUnsavedFileContent, ulong(fileContent.byteSize())};
+}
+
+void UnsavedFiles::deleteCXUnsavedFile(const CXUnsavedFile &cxUnsavedFile)
+{
+    delete [] cxUnsavedFile.Contents;
+    delete [] cxUnsavedFile.Filename;
+}
+
+void UnsavedFiles::updateCXUnsavedFileWithFileContainer(const FileContainer &fileContainer)
+{
+    if (fileContainer.hasUnsavedFileContent()) {
+        addOrUpdateCXUnsavedFile(fileContainer);
+    } else {
+        removeCXUnsavedFile(fileContainer);
+    }
+}
+
+void UnsavedFiles::removeCXUnsavedFile(const FileContainer &fileContainer)
+{
+    const Utf8String filePath = fileContainer.filePath();
+    auto removeBeginIterator = std::remove_if(d->cxUnsavedFiles.begin(),
+                                              d->cxUnsavedFiles.end(),
+                                              [filePath] (const CXUnsavedFile &cxUnsavedFile) { return filePath == cxUnsavedFile.Filename; });
+
+    std::for_each(removeBeginIterator, d->cxUnsavedFiles.end(), UnsavedFiles::deleteCXUnsavedFile);
+    d->cxUnsavedFiles.erase( removeBeginIterator, d->cxUnsavedFiles.end());
+}
+
+void UnsavedFiles::addOrUpdateCXUnsavedFile(const FileContainer &fileContainer)
+{
+    const Utf8String filePath = fileContainer.filePath();
+    const Utf8String fileContent = fileContainer.unsavedFileContent();
+    auto isSameFile = [filePath] (const CXUnsavedFile &cxUnsavedFile) { return filePath == cxUnsavedFile.Filename; };
+
+    auto cxUnsavedFileIterator = std::find_if(d->cxUnsavedFiles.begin(), d->cxUnsavedFiles.end(), isSameFile);
+    if (cxUnsavedFileIterator == d->cxUnsavedFiles.end())
+        d->cxUnsavedFiles.push_back(createCxUnsavedFile(filePath, fileContent));
+    else {
+        deleteCXUnsavedFile(*cxUnsavedFileIterator);
+        *cxUnsavedFileIterator = createCxUnsavedFile(filePath, fileContent);
+    }
+}
+
+void UnsavedFiles::updateLastChangeTimePoint()
+{
+    d->lastChangeTimePoint = std::chrono::steady_clock::now();
+}
+
+
+} // namespace ClangBackEnd
+