-
Notifications
You must be signed in to change notification settings - Fork 4
/
recorditerator.h
96 lines (84 loc) · 1.79 KB
/
recorditerator.h
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
/**
* RecordIterator.h
*
* Class to iterate over a record
*
* @author Emiel Bruijntjes <[email protected]>
* @copyright 2015 Copernica BV
*/
/**
* Include guard
*/
#pragma once
/**
* Class definition
*/
class RecordIterator : public Php::Iterator
{
private:
/**
* The record that is being iterated
* @var std::shared_ptr<Yothalot::Record> _record;
*/
std::shared_ptr<Yothalot::Record> _record;
/**
* The current index
* @var int
*/
int _current;
public:
/**
* Constructor
* @param base
* @param record
*/
RecordIterator(Php::Base *base, const std::shared_ptr<Yothalot::Record> &record) :
Php::Iterator(base), _record(record), _current(0) {}
/**
* Destructor
*/
virtual ~RecordIterator() {}
/**
* Is the iterator on a valid position
* @return bool
*/
virtual bool valid() override
{
return _current < (int)_record->size();
}
/**
* The value at the current position
* @return Value
*/
virtual Php::Value current() override
{
// check type
if (_record->isNull(_current)) return nullptr;
if (_record->isNumber(_current)) return _record->number(_current);
if (_record->isString(_current)) return _record->string(_current);
// not possible
return nullptr;
}
/**
* The key at the current position
* @return Value
*/
virtual Php::Value key() override
{
return _current;
}
/**
* Move to the next position
*/
virtual void next() override
{
++_current;
}
/**
* Rewind the iterator to the front position
*/
virtual void rewind() override
{
_current = 0;
}
};