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** GNU Lesser General Public License Usage
**
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** 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
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#include "cpprefactoringchanges.h"

using namespace CPlusPlus;
using namespace CppTools;
using namespace TextEditor;

CppRefactoringChanges::CppRefactoringChanges(const Snapshot &snapshot,
                                             CppModelManagerInterface *modelManager)
    : m_snapshot(snapshot)
    , m_modelManager(modelManager)
    , m_workingCopy(modelManager->workingCopy())
{
    Q_ASSERT(modelManager);
}

QStringList CppRefactoringChanges::apply()
{
    const QStringList changedFiles = TextEditor::RefactoringChanges::apply();
    m_modelManager->updateSourceFiles(changedFiles);
    return changedFiles;
}

Document::Ptr CppRefactoringChanges::parsedDocumentForFile(const QString &fileName) const
{
    Document::Ptr doc = m_snapshot.document(fileName);

    QString source;
    if (m_workingCopy.contains(fileName)) {
        QPair<QString, unsigned> workingCopy = m_workingCopy.get(fileName);
        if (doc && doc->editorRevision() == workingCopy.second)
            return doc;
        else
            source = workingCopy.first;
    } else {
        QFile file(fileName);
        if (! file.open(QFile::ReadOnly))
            return Document::Ptr();

        source = QTextStream(&file).readAll(); // ### FIXME read bytes, and remove the convert below
        file.close();
    }

    doc = m_snapshot.documentFromSource(source.toLatin1(), fileName);
    doc->check();
    return doc;
}