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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef TEXTDOCUMENT_H
#define TEXTDOCUMENT_H
#include "textblock.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_H
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