| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights
2 // See the file tools.license for terms.
3
4 #ifndef tools_sg_states
5 #define tools_sg_states
6
7 #include "state"
8
9 //#define TOOLS_SG_STATES_CUR
10
11 namespace tools {
12 namespace sg {
13
14 class states {
15 public:
16 #ifdef TOOLS_SG_STATES_CUR
17 states(unsigned int a_ww,unsigned int a_wh)
18 :m_states(8)
19 ,m_state(&(m_states[0]))
20 ,m_cur_state(0)
21 {
22 m_state->m_ww = a_ww;
23 m_state->m_wh = a_wh;
24 }
25 #else
26 states(unsigned int a_ww,unsigned int a_wh):
27 m_state.m_ww = a_ww;
28 m_state.m_wh = a_wh;
29 }
30 #endif
31 virtual ~states(){}
32 protected:
33 #ifdef TOOLS_SG_STATES_CUR
34 states(const states& a_from)
35 :m_states(a_from.m_states)
36 ,m_state(&(m_states[a_from.m_cur_state]))
37 ,m_cur_state(a_from.m_cur_state)
38 ,m_saved_state(a_from.m_saved_state)
39 {}
40 states& operator=(const states& a_from){
41 m_states = a_from.m_states;
42 m_state = &(m_states[a_from.m_cur_state]);
43 m_cur_state = a_from.m_cur_state;
44 m_saved_state = a_from.m_saved_state;
45 return *this;
46 }
47 #else
48 states(const states& a_from)
49 :m_states(a_from.m_states)
50 ,m_state(a_from.m_state)
51 ,m_saved_state(a_from.m_saved_state)
52 {}
53 states& operator=(const states& a_from){
54 m_states = a_from.m_states;
55 m_state = a_from.m_state;
56 m_saved_state = a_from.m_saved_state;
57 return *this;
58 }
59 #endif
60 public:
61 #ifdef TOOLS_SG_STATES_CUR
62 const sg::state& state() const {return *m_st
63 sg::state& state() {return *m_state;}
64 void pop_state() {
65 m_state = &(m_states[m_cur_state]);
66 m_cur_state--;
67 }
68 void push_state() {
69 if((m_cur_state+1)>=(int)m_states.size())
70 m_states.resize(m_states.size()+5);
71 }
72 m_cur_state++;
73 m_states[m_cur_state] = *m_state;
74 }
75 #else
76 const sg::state& state() const {return m_sta
77 sg::state& state() {return m_state;}
78 void pop_state() {
79 //if(!m_states.size()) return; //throw.
80 m_state = m_states.back();
81 m_states.pop_back();
82 }
83 void push_state() {m_states.push_back(m_stat
84 #endif
85
86 void save_state(const sg::state& a_state) {m
87 const sg::state& saved_state() const {return
88 sg::state& saved_state() {return m_saved_sta
89 protected:
90 std::vector<sg::state> m_states;
91 #ifdef TOOLS_SG_STATES_CUR
92 sg::state* m_state;
93 int m_cur_state;
94 #else
95 sg::state m_state;
96 #endif
97 sg::state m_saved_state;
98 };
99
100 }}
101
102 #endif