forked from qt-creator/qt-creator
f72370f20a
* Update remaining files in src Change-Id: I1896f17fcf34f71c3310c87899fb5171b8e4afb1 Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>
129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#ifndef CHANGESET_H
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#define CHANGESET_H
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#include "utils_global.h"
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#include <QString>
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#include <QList>
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QT_FORWARD_DECLARE_CLASS(QTextCursor)
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namespace Utils {
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class QTCREATOR_UTILS_EXPORT ChangeSet
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{
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public:
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struct EditOp {
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enum Type
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{
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Unset,
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Replace,
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Move,
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Insert,
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Remove,
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Flip,
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Copy
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};
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EditOp(): type(Unset), pos1(0), pos2(0), length1(0), length2(0) {}
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EditOp(Type t): type(t), pos1(0), pos2(0), length1(0), length2(0) {}
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Type type;
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int pos1;
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int pos2;
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int length1;
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int length2;
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QString text;
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};
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struct Range {
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Range()
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: start(0), end(0) {}
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Range(int start, int end)
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: start(start), end(end) {}
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int start;
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int end;
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};
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public:
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ChangeSet();
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ChangeSet(const QList<EditOp> &operations);
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bool isEmpty() const;
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QList<EditOp> operationList() const;
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void clear();
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bool replace(const Range &range, const QString &replacement);
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bool remove(const Range &range);
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bool move(const Range &range, int to);
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bool flip(const Range &range1, const Range &range2);
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bool copy(const Range &range, int to);
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bool replace(int start, int end, const QString &replacement);
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bool remove(int start, int end);
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bool move(int start, int end, int to);
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bool flip(int start1, int end1, int start2, int end2);
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bool copy(int start, int end, int to);
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bool insert(int pos, const QString &text);
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bool hadErrors();
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void apply(QString *s);
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void apply(QTextCursor *textCursor);
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private:
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// length-based API.
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bool replace_helper(int pos, int length, const QString &replacement);
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bool move_helper(int pos, int length, int to);
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bool remove_helper(int pos, int length);
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bool flip_helper(int pos1, int length1, int pos2, int length2);
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bool copy_helper(int pos, int length, int to);
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bool hasOverlap(int pos, int length);
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QString textAt(int pos, int length);
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void doReplace(const EditOp &replace, QList<EditOp> *replaceList);
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void convertToReplace(const EditOp &op, QList<EditOp> *replaceList);
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void apply_helper();
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private:
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QString *m_string;
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QTextCursor *m_cursor;
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QList<EditOp> m_operationList;
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bool m_error;
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};
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} // namespace Utils
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#endif // CHANGESET_H
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