1 files changed, 78 insertions, 0 deletions
diff --git a/src/qmlls/qtextdocument_p.h b/src/qmlls/qtextdocument_p.h
new file mode 100644
index 0000000000..4df516e54a
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+++ b/src/qmlls/qtextdocument_p.h
@@ -0,0 +1,78 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QTEXTDOCUMENT_P_H
+#define QTEXTDOCUMENT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qtextblock_p.h"
+
+#include <QtCore/qchar.h>
+#include <QtCore/qvector.h>
+#include <QtCore/qscopedpointer.h>
+#include <QtCore/qmutex.h>
+
+#include <optional>
+
+namespace Utils {
+
+class TextBlockUserData;
+
+class TextDocument
+{
+public:
+    TextDocument() = default;
+    explicit TextDocument(const QString &text);
+
+    TextBlock findBlockByNumber(int blockNumber) const;
+    TextBlock findBlockByLineNumber(int lineNumber) const;
+    QChar characterAt(int pos) const;
+    int characterCount() const;
+    TextBlock begin() const;
+    TextBlock firstBlock() const;
+    TextBlock lastBlock() const;
+
+    std::optional<int> version() const;
+    void setVersion(std::optional<int>);
+
+    QString toPlainText() const;
+    void setPlainText(const QString &text);
+
+    bool isModified() const;
+    void setModified(bool modified);
+
+    void setUndoRedoEnabled(bool enable);
+
+    void clear();
+
+    void setUserState(int blockNumber, int state);
+    int userState(int blockNumber) const;
+    QMutex *mutex() const;
+
+private:
+    struct Block
+    {
+        TextBlock textBlock;
+        int userState = -1;
+    };
+
+    QVector<Block> m_blocks;
+
+    QString m_content;
+    bool m_modified = false;
+    std::optional<int> m_version;
+    mutable QMutex m_mutex;
+};
+} // namespace Utils
+
+#endif // TEXTDOCUMENT_P_H