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Diffstat (limited to 'src/plugins/qmldesigner/core/filemanager/changeset.h')
-rw-r--r-- | src/plugins/qmldesigner/core/filemanager/changeset.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/plugins/qmldesigner/core/filemanager/changeset.h b/src/plugins/qmldesigner/core/filemanager/changeset.h new file mode 100644 index 0000000000..2f46bd835d --- /dev/null +++ b/src/plugins/qmldesigner/core/filemanager/changeset.h @@ -0,0 +1,120 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** 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 +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef CHANGESET_H +#define CHANGESET_H + +#include "utils_global.h" + +#include <QtCore/QString> +#include <QtCore/QList> +#include <QtCore/QSharedPointer> +#include <QtGui/QTextCursor> + +namespace Utils { + +class QTCREATOR_UTILS_EXPORT ChangeSet +{ +public: + struct EditOp { + enum Type + { + Unset, + Replace, + Move, + Insert, + Remove, + Flip, + Copy + }; + + EditOp(): type(Unset), pos1(0), pos2(0), length1(0), length2(0) {} + EditOp(Type t): type(t), pos1(0), pos2(0), length1(0), length2(0) {} + + Type type; + int pos1; + int pos2; + int length1; + int length2; + QString text; + }; + +public: + ChangeSet(); + + bool isEmpty() const; + + QList<EditOp> operationList() const; + + void clear(); + + bool replace(int pos, int length, const QString &replacement); + bool move(int pos, int length, int to); + bool insert(int pos, const QString &text); + bool remove(int pos, int length); + bool flip(int pos1, int length1, int pos2, int length2); + bool copy(int pos, int length, int to); + + bool hadErrors(); + + void apply(QString *s); + void apply(QTextCursor *textCursor); + +private: + bool hasOverlap(int pos, int length); + QString textAt(int pos, int length); + + void doReplace(const EditOp &replace, QList<EditOp> *replaceList); + void convertToReplace(const EditOp &op, QList<EditOp> *replaceList); + + void apply_helper(); + +private: + QString *m_string; + QTextCursor *m_cursor; + + QList<EditOp> m_operationList; + bool m_error; +}; + +} // namespace Utils + +#endif // CHANGESET_H |