json2/value.go at main · nikandfor/json2 · GitHub

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
package json2

import "strconv"

type (
	Value []byte
)

func (d Iterator) ShouldValue(b []byte, st int) Value {
	val, err := d.Value(b, st)
	if err != nil {
		return nil
	}

	return val
}

func (d Iterator) Value(b []byte, st int) (Value, error) {
	raw, _, err := d.Raw(b, st)
	return Value(raw), err
}

func (raw Value) Type() Type {
	tp, _, _ := dec.Type(raw, 0)
	return tp
}

func (raw Value) TypeErr() (Type, error) {
	tp, _, err := dec.Type(raw, 0)
	return tp, err
}

func (raw Value) ShouldBool() (v bool) {
	v, _ = raw.Bool()
	return v
}

func (raw Value) Bool() (v bool, err error) {
	if raw == nil {
		return false, ErrValue
	}

	_, err = dec.ExpectType(raw, 0, Bool)
	if err != nil {
		return false, err
	}

	v, err = strconv.ParseBool(string(raw))
	if err != nil {
		return false, err
	}

	return v, nil
}

func (raw Value) ShouldString() (v string) {
	v, _ = raw.String()
	return v
}

func (raw Value) String() (v string, err error) {
	if raw == nil {
		return "", ErrValue
	}

	_, err = dec.ExpectType(raw, 0, String)
	if err != nil {
		return "", err
	}

	s, i, err := dec.DecodeString(raw, 0, nil)
	if err != nil {
		return "", err
	}
	if SkipSpaces(raw, i) != len(raw) {
		return "", ErrValue
	}

	return string(s), nil
}

func (raw Value) ShouldInt() (v int) {
	v, _ = raw.Int()
	return v
}

func (raw Value) Int() (v int, err error) {
	x, err := raw.Int64()
	return int(x), err
}

func (raw Value) ShouldInt64() (v int64) {
	v, _ = raw.Int64()
	return v
}

func (raw Value) Int64() (v int64, err error) {
	v, err = strconv.ParseInt(string(raw), 10, 64)
	if err != nil {
		return 0, err
	}

	return v, nil
}

func (raw Value) ShouldUint64() (v uint64) {
	v, _ = raw.Uint64()
	return v
}

func (raw Value) Uint64() (v uint64, err error) {
	v, err = strconv.ParseUint(string(raw), 10, 64)
	if err != nil {
		return 0, err
	}

	return v, nil
}

func (raw Value) ShouldFloat64() (v float64) {
	v, _ = raw.Float64()
	return v
}

func (raw Value) Float64() (v float64, err error) {
	v, err = strconv.ParseFloat(string(raw), 64)
	if err != nil {
		return 0, err
	}

	return v, nil
}

func (raw Value) ShouldFloat32() (v float32) {
	v, _ = raw.Float32()
	return v
}

func (raw Value) Float32() (v float32, err error) {
	x, err := strconv.ParseFloat(string(raw), 32)
	if err != nil {
		return 0, err
	}

	return float32(x), nil
}