-
Notifications
You must be signed in to change notification settings - Fork 61
/
any.go
executable file
·183 lines (172 loc) · 4.08 KB
/
any.go
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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
// Copyright (c) 2019,CAOHONGJU All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package amf
import (
"fmt"
"io"
"reflect"
"time"
)
// Amf0 类型常量
const (
TypeNumber = 0x00
TypeBoolean = 0x01
TypeString = 0x02
TypeObject = 0x03
TypeMovieClip = 0x04 //reserved, not supported
TypeNull = 0x05
TypeUndefined = 0x06
TypeReference = 0x07
TypeEcmaArray = 0x08
TypeObjectEnd = 0x09
TypeStrictArray = 0x0A
TypeDate = 0x0B
TypeLongString = 0x0C
TypeUnSupported = 0x0D
TypeRecordSet = 0x0E
TypeXMLDocument = 0x0F
TypeTypedObject = 0x10
TypeAVMplusObject = 0x11
TypeOriginStrictArray = 0x20
TypeInvalid = 0x3F
)
// UndefinedValue 表示 TypeUndefined 类型存储的值
type UndefinedValue struct{}
// UnSupportedValue 表示 TypeUnSupported 类型存储的值
type UnSupportedValue struct{}
// objectEndValue 表示 TypeObjectEnd 存储的值
type objectEndValue struct{}
// ReadAny .
func ReadAny(r io.Reader) (value interface{}, err error) {
var buff [1]byte
if _, err = io.ReadFull(r, buff[:]); err != nil {
return
}
marker := buff[0]
switch marker {
case TypeNumber:
value, err = readNumber(r)
case TypeBoolean:
value, err = readBool(r)
case TypeString:
value, err = readUtf8(r, 2)
case TypeObject:
value, err = readObject(r)
case TypeNull:
value = nil
case TypeUndefined:
value = UndefinedValue{}
case TypeEcmaArray:
value, err = readEcmaArray(r)
case TypeObjectEnd:
value = objectEndValue{}
case TypeStrictArray:
value, err = readStrictArray(r)
case TypeDate:
value, err = readDate(r)
case TypeLongString:
value, err = readUtf8(r, 4)
case TypeUnSupported:
value = UnSupportedValue{}
default:
err = fmt.Errorf("Amf0ReadAny: unsupported marker - %d", marker)
}
return
}
// WriteAny .
func WriteAny(w io.Writer, any interface{}) (err error) {
if any == nil {
err = writeType(w, TypeNull)
return
}
switch v := any.(type) {
case *string:
if len(*v) > 65535 {
err = WriteLongString(w, *v)
} else {
err = WriteString(w, *v)
}
case string:
if len(v) > 65535 {
err = WriteLongString(w, v)
} else {
err = WriteString(w, v)
}
case *bool:
err = WriteBool(w, *v)
case bool:
err = WriteBool(w, v)
case *int:
err = WriteNumber(w, float64(*v))
case int:
err = WriteNumber(w, float64(v))
case *int8:
err = WriteNumber(w, float64(*v))
case int8:
err = WriteNumber(w, float64(v))
case *int16:
err = WriteNumber(w, float64(*v))
case int16:
err = WriteNumber(w, float64(v))
case *int32:
err = WriteNumber(w, float64(*v))
case int32:
err = WriteNumber(w, float64(v))
case *int64:
err = WriteNumber(w, float64(*v))
case int64:
err = WriteNumber(w, float64(v))
case *uint:
err = WriteNumber(w, float64(*v))
case uint:
err = WriteNumber(w, float64(v))
case *uint8:
err = WriteNumber(w, float64(*v))
case uint8:
err = WriteNumber(w, float64(v))
case *uint16:
err = WriteNumber(w, float64(*v))
case uint16:
err = WriteNumber(w, float64(v))
case *uint32:
err = WriteNumber(w, float64(*v))
case uint32:
err = WriteNumber(w, float64(v))
case *uint64:
err = WriteNumber(w, float64(*v))
case uint64:
err = WriteNumber(w, float64(v))
case *float32:
err = WriteNumber(w, float64(*v))
case float32:
err = WriteNumber(w, float64(v))
case *float64:
err = WriteNumber(w, *v)
case float64:
err = WriteNumber(w, v)
case *time.Time:
err = WriteDate(w, *v)
case time.Time:
err = WriteDate(w, v)
case *UndefinedValue:
err = writeType(w, TypeUndefined)
case UndefinedValue:
err = writeType(w, TypeUndefined)
case *EcmaArray:
err = WriteEcmaArray(w, *v)
case EcmaArray:
err = WriteEcmaArray(w, v)
case *Object:
err = WriteObject(w, *v)
case Object:
err = WriteObject(w, v)
case *StrictArray:
err = WriteStrictArray(w, *v)
case StrictArray:
err = WriteStrictArray(w, v)
default:
err = fmt.Errorf("Unsupported type : %v", reflect.TypeOf(v))
}
return
}