blob: 9db32a869c9c381b0fba83933e624d2c9344336a (
plain)
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtScript 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCRIPTBUFFER_P_H
#define QSCRIPTBUFFER_P_H
#include <QtCore/qglobal.h>
QT_BEGIN_NAMESPACE
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
namespace QScript
{
template <typename T> class Buffer
{
public:
typedef T *iterator;
typedef const T *const_iterator;
Buffer() : m_data(0), m_capacity(0), m_size(0) { }
~Buffer() { delete [] m_data; }
inline void reserve(int num);
inline void reset();
inline void clear();
inline void append(const T &t);
inline iterator begin();
inline iterator end();
inline const_iterator begin() const;
inline const_iterator end() const;
inline int size() const;
inline void resize(int s);
inline int capacity() const;
inline T *data();
inline const T *constData() const;
inline T &last();
inline T &takeLast();
inline T &at(int i) { return (*this)[i]; }
inline const T &at(int i) const { return (*this)[i]; }
inline T &operator[](int i);
inline const T &operator[](int i) const;
inline bool isEmpty() const;
private:
T *m_data;
int m_capacity;
int m_size;
private:
Q_DISABLE_COPY(Buffer)
};
} // namespace QScript
template <typename T> T *QScript::Buffer<T>::data() { return m_data; }
template <typename T> const T *QScript::Buffer<T>::constData() const { return m_data; }
template <typename T> void QScript::Buffer<T>::reset() { m_size = 0; }
template <typename T> int QScript::Buffer<T>::capacity() const { return m_capacity; }
template <typename T> int QScript::Buffer<T>::size() const { return m_size; }
template <typename T> void QScript::Buffer<T>::resize(int s)
{
if (m_capacity < s)
reserve (s << 1);
m_size = s;
}
template <typename T> void QScript::Buffer<T>::clear()
{
delete [] m_data;
m_data = 0;
m_size = 0;
m_capacity = 0;
}
template <typename T> void QScript::Buffer<T>::reserve(int x)
{
// its an ever expanding buffer so it never gets smaller..
if (x < m_capacity)
return;
m_capacity = x;
T *new_data = new T[m_capacity];
for (int i=0; i<m_size; ++i)
new_data[i] = m_data[i];
delete [] m_data;
m_data = new_data;
}
template <typename T> void QScript::Buffer<T>::append(const T &t)
{
if (m_size == m_capacity)
reserve(m_capacity + 32);
m_data[m_size++] = t;
}
template <typename T> T &QScript::Buffer<T>::operator[](int i)
{
Q_ASSERT(i >= 0);
Q_ASSERT(i < m_size);
return m_data[i];
}
template <typename T> const T &QScript::Buffer<T>::operator[](int i) const
{
Q_ASSERT(i >= 0);
Q_ASSERT(i < m_size);
return m_data[i];
}
template <typename T> bool QScript::Buffer<T>::isEmpty() const
{
return m_size == 0;
}
template <typename T> T &QScript::Buffer<T>::takeLast()
{
Q_ASSERT(!isEmpty());
--m_size;
return m_data[m_size];
}
template <typename T> T &QScript::Buffer<T>::last()
{
return m_data[m_size - 1];
}
template <typename T> typename QScript::Buffer<T>::iterator QScript::Buffer<T>::begin()
{
return m_data;
}
template <typename T> typename QScript::Buffer<T>::iterator QScript::Buffer<T>::end()
{
return m_data + m_size;
}
template <typename T> typename QScript::Buffer<T>::const_iterator QScript::Buffer<T>::begin() const
{
return m_data;
}
template <typename T> typename QScript::Buffer<T>::const_iterator QScript::Buffer<T>::end() const
{
return m_data + m_size;
}
QT_END_NAMESPACE
#endif
|
