blob: d42baa28fcd05f137d7d3534830ccdbe3fbdd925 (
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
|
// Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
// SPDX-License-Identifier: BSD-3-Clause
#ifndef QSCRIPTBUFFER_P_H
#define QSCRIPTBUFFER_P_H
#include <qglobal.h>
#if defined(Q_OS_VXWORKS) && defined(m_data)
# undef m_data
#endif
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
|
