blob: b4f420daef616dd61035948bdfaf991f4466f8b9 (
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
|
/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkDeque_DEFINED
#define SkDeque_DEFINED
#include "SkTypes.h"
class SK_API SkDeque : SkNoncopyable {
public:
explicit SkDeque(size_t elemSize);
SkDeque(size_t elemSize, void* storage, size_t storageSize);
~SkDeque();
bool empty() const { return 0 == fCount; }
int count() const { return fCount; }
size_t elemSize() const { return fElemSize; }
const void* front() const;
const void* back() const;
void* front() {
return (void*)((const SkDeque*)this)->front();
}
void* back() {
return (void*)((const SkDeque*)this)->back();
}
void* push_front();
void* push_back();
void pop_front();
void pop_back();
private:
struct Head;
public:
class F2BIter {
public:
/**
* Creates an uninitialized iterator. Must be reset()
*/
F2BIter();
F2BIter(const SkDeque& d);
void* next();
void reset(const SkDeque& d);
private:
SkDeque::Head* fHead;
char* fPos;
size_t fElemSize;
};
private:
Head* fFront;
Head* fBack;
size_t fElemSize;
void* fInitialStorage;
int fCount;
friend class Iter;
};
#endif
|
