blob: 2a1fe7ece5547a5dd92dc0de38fdf1b7f9e3bec5 (
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
|
#ifndef JPALIST_H
#define JPALIST_H
/**
* @ingroup jsystem-jparticle
*
*/
template <class T>
struct JPANode {
JPANode() {
mpPrev = NULL;
mpNext = NULL;
}
~JPANode() {}
JPANode<T>* getPrev() { return mpPrev; }
JPANode<T>* getNext() { return mpNext; }
T* getObject() { return &mData; }
JPANode<T>* mpPrev;
JPANode<T>* mpNext;
T mData;
};
/**
* @ingroup jsystem-jparticle
*
*/
template <class T>
struct JPAList {
JPANode<T>* mpFirst;
JPANode<T>* mpLast;
u32 mNum;
JPAList() : mpFirst(NULL), mpLast(NULL), mNum() {}
JPANode<T>* getEnd() { return NULL; }
JPANode<T>* getFirst() const { return mpFirst; }
JPANode<T>* getLast() const { return mpLast; }
u32 getNum() const { return mNum; }
void push_front(JPANode<T>* node) {
if (mpFirst != NULL) {
node->mpPrev = NULL;
node->mpNext = mpFirst;
mpFirst->mpPrev = node;
mpFirst = node;
} else {
mpLast = node;
mpFirst = node;
node->mpPrev = NULL;
node->mpNext = NULL;
}
mNum++;
}
void push_back(JPANode<T>* node) {
if (mpLast != NULL) {
node->mpPrev = mpLast;
node->mpNext = NULL;
mpLast->mpNext = node;
mpLast = node;
} else {
mpFirst = node;
mpLast = node;
node->mpPrev = NULL;
node->mpNext = NULL;
}
mNum++;
}
JPANode<T>* pop_front() {
JPANode<T>* ret = NULL;
if (mNum == 1) {
ret = mpFirst;
mpLast = NULL;
mpFirst = NULL;
mNum--;
} else if (mNum) {
ret = mpFirst;
ret->mpNext->mpPrev = NULL;
mpFirst = ret->mpNext;
mNum--;
}
return ret;
}
JPANode<T>* pop_back() {
JPANode<T>* ret = NULL;
if (mNum == 1) {
ret = mpLast;
mpLast = NULL;
mpFirst = NULL;
mNum--;
} else if (mNum) {
ret = mpLast;
ret->mpPrev->mpNext = NULL;
mpLast = ret->mpPrev;
mNum--;
}
return ret;
}
};
#endif
|
