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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
/*
* Copyright (C) 2005 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_SORTED_VECTOR_H
#define ANDROID_SORTED_VECTOR_H
#include <assert.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Vector.h>
#include <utils/VectorImpl.h>
#include <utils/TypeHelpers.h>
// ---------------------------------------------------------------------------
namespace android {
template <class TYPE>
class SortedVector : private SortedVectorImpl
{
public:
typedef TYPE value_type;
/*!
* Constructors and destructors
*/
SortedVector();
SortedVector(const SortedVector<TYPE>& rhs);
virtual ~SortedVector();
/*! copy operator */
const SortedVector<TYPE>& operator = (const SortedVector<TYPE>& rhs) const;
SortedVector<TYPE>& operator = (const SortedVector<TYPE>& rhs);
/*
* empty the vector
*/
inline void clear() { VectorImpl::clear(); }
/*!
* vector stats
*/
//! returns number of items in the vector
inline size_t size() const { return VectorImpl::size(); }
//! returns wether or not the vector is empty
inline bool isEmpty() const { return VectorImpl::isEmpty(); }
//! returns how many items can be stored without reallocating the backing store
inline size_t capacity() const { return VectorImpl::capacity(); }
//! setst the capacity. capacity can never be reduced less than size()
inline ssize_t setCapacity(size_t size) { return VectorImpl::setCapacity(size); }
/*!
* C-style array access
*/
//! read-only C-style access
inline const TYPE* array() const;
//! read-write C-style access. BE VERY CAREFUL when modifying the array
//! you ust keep it sorted! You usually don't use this function.
TYPE* editArray();
//! finds the index of an item
ssize_t indexOf(const TYPE& item) const;
//! finds where this item should be inserted
size_t orderOf(const TYPE& item) const;
/*!
* accessors
*/
//! read-only access to an item at a given index
inline const TYPE& operator [] (size_t index) const;
//! alternate name for operator []
inline const TYPE& itemAt(size_t index) const;
//! stack-usage of the vector. returns the top of the stack (last element)
const TYPE& top() const;
//! same as operator [], but allows to access the vector backward (from the end) with a negative index
const TYPE& mirrorItemAt(ssize_t index) const;
/*!
* modifing the array
*/
//! add an item in the right place (and replace the one that is there)
ssize_t add(const TYPE& item);
//! editItemAt() MUST NOT change the order of this item
TYPE& editItemAt(size_t index) {
return *( static_cast<TYPE *>(VectorImpl::editItemLocation(index)) );
}
//! merges a vector into this one
ssize_t merge(const Vector<TYPE>& vector);
ssize_t merge(const SortedVector<TYPE>& vector);
//! removes an item
ssize_t remove(const TYPE&);
//! remove several items
inline ssize_t removeItemsAt(size_t index, size_t count = 1);
//! remove one item
inline ssize_t removeAt(size_t index) { return removeItemsAt(index); }
protected:
virtual void do_construct(void* storage, size_t num) const;
virtual void do_destroy(void* storage, size_t num) const;
virtual void do_copy(void* dest, const void* from, size_t num) const;
virtual void do_splat(void* dest, const void* item, size_t num) const;
virtual void do_move_forward(void* dest, const void* from, size_t num) const;
virtual void do_move_backward(void* dest, const void* from, size_t num) const;
virtual int do_compare(const void* lhs, const void* rhs) const;
};
// ---------------------------------------------------------------------------
// No user serviceable parts from here...
// ---------------------------------------------------------------------------
template<class TYPE> inline
SortedVector<TYPE>::SortedVector()
: SortedVectorImpl(sizeof(TYPE),
((traits<TYPE>::has_trivial_ctor ? HAS_TRIVIAL_CTOR : 0)
|(traits<TYPE>::has_trivial_dtor ? HAS_TRIVIAL_DTOR : 0)
|(traits<TYPE>::has_trivial_copy ? HAS_TRIVIAL_COPY : 0)
|(traits<TYPE>::has_trivial_assign ? HAS_TRIVIAL_ASSIGN : 0))
)
{
}
template<class TYPE> inline
SortedVector<TYPE>::SortedVector(const SortedVector<TYPE>& rhs)
: SortedVectorImpl(rhs) {
}
template<class TYPE> inline
SortedVector<TYPE>::~SortedVector() {
finish_vector();
}
template<class TYPE> inline
SortedVector<TYPE>& SortedVector<TYPE>::operator = (const SortedVector<TYPE>& rhs) {
SortedVectorImpl::operator = (rhs);
return *this;
}
template<class TYPE> inline
const SortedVector<TYPE>& SortedVector<TYPE>::operator = (const SortedVector<TYPE>& rhs) const {
SortedVectorImpl::operator = (rhs);
return *this;
}
template<class TYPE> inline
const TYPE* SortedVector<TYPE>::array() const {
return static_cast<const TYPE *>(arrayImpl());
}
template<class TYPE> inline
TYPE* SortedVector<TYPE>::editArray() {
return static_cast<TYPE *>(editArrayImpl());
}
template<class TYPE> inline
const TYPE& SortedVector<TYPE>::operator[](size_t index) const {
assert( index<size() );
return *(array() + index);
}
template<class TYPE> inline
const TYPE& SortedVector<TYPE>::itemAt(size_t index) const {
return operator[](index);
}
template<class TYPE> inline
const TYPE& SortedVector<TYPE>::mirrorItemAt(ssize_t index) const {
assert( (index>0 ? index : -index)<size() );
return *(array() + ((index<0) ? (size()-index) : index));
}
template<class TYPE> inline
const TYPE& SortedVector<TYPE>::top() const {
return *(array() + size() - 1);
}
template<class TYPE> inline
ssize_t SortedVector<TYPE>::add(const TYPE& item) {
return SortedVectorImpl::add(&item);
}
template<class TYPE> inline
ssize_t SortedVector<TYPE>::indexOf(const TYPE& item) const {
return SortedVectorImpl::indexOf(&item);
}
template<class TYPE> inline
size_t SortedVector<TYPE>::orderOf(const TYPE& item) const {
return SortedVectorImpl::orderOf(&item);
}
template<class TYPE> inline
ssize_t SortedVector<TYPE>::merge(const Vector<TYPE>& vector) {
return SortedVectorImpl::merge(reinterpret_cast<const VectorImpl&>(vector));
}
template<class TYPE> inline
ssize_t SortedVector<TYPE>::merge(const SortedVector<TYPE>& vector) {
return SortedVectorImpl::merge(reinterpret_cast<const SortedVectorImpl&>(vector));
}
template<class TYPE> inline
ssize_t SortedVector<TYPE>::remove(const TYPE& item) {
return SortedVectorImpl::remove(&item);
}
template<class TYPE> inline
ssize_t SortedVector<TYPE>::removeItemsAt(size_t index, size_t count) {
return VectorImpl::removeItemsAt(index, count);
}
// ---------------------------------------------------------------------------
template<class TYPE>
void SortedVector<TYPE>::do_construct(void* storage, size_t num) const {
construct_type( reinterpret_cast<TYPE*>(storage), num );
}
template<class TYPE>
void SortedVector<TYPE>::do_destroy(void* storage, size_t num) const {
destroy_type( reinterpret_cast<TYPE*>(storage), num );
}
template<class TYPE>
void SortedVector<TYPE>::do_copy(void* dest, const void* from, size_t num) const {
copy_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(from), num );
}
template<class TYPE>
void SortedVector<TYPE>::do_splat(void* dest, const void* item, size_t num) const {
splat_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(item), num );
}
template<class TYPE>
void SortedVector<TYPE>::do_move_forward(void* dest, const void* from, size_t num) const {
move_forward_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(from), num );
}
template<class TYPE>
void SortedVector<TYPE>::do_move_backward(void* dest, const void* from, size_t num) const {
move_backward_type( reinterpret_cast<TYPE*>(dest), reinterpret_cast<const TYPE*>(from), num );
}
template<class TYPE>
int SortedVector<TYPE>::do_compare(const void* lhs, const void* rhs) const {
return compare_type( *reinterpret_cast<const TYPE*>(lhs), *reinterpret_cast<const TYPE*>(rhs) );
}
}; // namespace android
// ---------------------------------------------------------------------------
#endif // ANDROID_SORTED_VECTOR_H
|
