1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**************************************************************************/
#ifndef CHANGESET_H
#define CHANGESET_H
#include "utils_global.h"
#include <QString>
#include <QList>
QT_FORWARD_DECLARE_CLASS(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;
};
struct Range {
Range()
: start(0), end(0) {}
Range(int start, int end)
: start(start), end(end) {}
int start;
int end;
};
public:
ChangeSet();
ChangeSet(const QList<EditOp> &operations);
bool isEmpty() const;
QList<EditOp> operationList() const;
void clear();
bool replace(const Range &range, const QString &replacement);
bool remove(const Range &range);
bool move(const Range &range, int to);
bool flip(const Range &range1, const Range &range2);
bool copy(const Range &range, int to);
bool replace(int start, int end, const QString &replacement);
bool remove(int start, int end);
bool move(int start, int end, int to);
bool flip(int start1, int end1, int start2, int end2);
bool copy(int start, int end, int to);
bool insert(int pos, const QString &text);
bool hadErrors();
void apply(QString *s);
void apply(QTextCursor *textCursor);
private:
// length-based API.
bool replace_helper(int pos, int length, const QString &replacement);
bool move_helper(int pos, int length, int to);
bool remove_helper(int pos, int length);
bool flip_helper(int pos1, int length1, int pos2, int length2);
bool copy_helper(int pos, int length, int to);
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
|
