forked from qt-creator/qt-creator
a7956df3ca
Replace the current license disclaimer in files by a SPDX-License-Identifier. Task-number: QTBUG-67283 Change-Id: I708fd1f9f2b73d60f57cc3568646929117825813 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
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#pragma once
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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_BEGIN_NAMESPACE
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class QTextCursor;
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QT_END_NAMESPACE
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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() = default;
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EditOp(Type t): type(t) {}
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Type type = Unset;
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int pos1 = 0;
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int pos2 = 0;
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int length1 = 0;
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int length2 = 0;
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QString text;
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};
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struct Range {
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Range() = default;
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Range(int start, int end)
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: start(start), end(end) {}
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int start = 0;
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int end = 0;
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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() const;
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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) const;
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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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inline bool operator<(const ChangeSet::Range &r1, const ChangeSet::Range &r2)
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{
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return r1.start < r2.start;
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}
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} // namespace Utils
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