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
|
package storage
import (
"bytes"
"fmt"
"github.com/tomwright/dasel/v2"
"github.com/tomwright/dasel/v2/dencoding"
"strings"
"github.com/clbanning/mxj/v2"
"golang.org/x/net/html/charset"
)
func init() {
// Required for https://github.com/TomWright/dasel/issues/61
mxj.XMLEscapeCharsDecoder(true)
// Required for https://github.com/TomWright/dasel/issues/164
mxj.XmlCharsetReader = charset.NewReaderLabel
registerReadParser([]string{"xml"}, []string{".xml"}, &XMLParser{})
registerWriteParser([]string{"xml"}, []string{".xml"}, &XMLParser{})
}
// XMLParser is a Parser implementation to handle xml files.
type XMLParser struct {
}
// FromBytes returns some data that is represented by the given bytes.
func (p *XMLParser) FromBytes(byteData []byte, options ...ReadWriteOption) (dasel.Value, error) {
if byteData == nil {
return dasel.Value{}, fmt.Errorf("cannot parse nil xml data")
}
if len(byteData) == 0 || strings.TrimSpace(string(byteData)) == "" {
return dasel.Value{}, nil
}
data, err := mxj.NewMapXml(byteData)
if err != nil {
return dasel.Value{}, fmt.Errorf("could not unmarshal data: %w", err)
}
return dasel.ValueOf(map[string]interface{}(data)).WithMetadata("isSingleDocument", true), nil
}
// ToBytes returns a slice of bytes that represents the given value.
func (p *XMLParser) ToBytes(value dasel.Value, options ...ReadWriteOption) ([]byte, error) {
buf := new(bytes.Buffer)
prettyPrint := true
colourise := false
indent := " "
for _, o := range options {
switch o.Key {
case OptionIndent:
if value, ok := o.Value.(string); ok {
indent = value
}
case OptionPrettyPrint:
if value, ok := o.Value.(bool); ok {
prettyPrint = value
}
case OptionColourise:
if value, ok := o.Value.(bool); ok {
colourise = value
}
}
}
writeMap := func(val interface{}) error {
var m map[string]interface{}
switch v := val.(type) {
case *dencoding.Map:
m = v.UnorderedData()
case map[string]any:
m = v
default:
_, err := buf.Write([]byte(fmt.Sprintf("%v\n", val)))
return err
}
mv := mxj.New()
for k, v := range m {
mv[k] = v
}
var byteData []byte
var err error
if prettyPrint {
byteData, err = mv.XmlIndent("", indent)
} else {
byteData, err = mv.Xml()
}
if err != nil {
return err
}
buf.Write(byteData)
buf.Write([]byte("\n"))
return nil
}
switch {
case value.Metadata("isSingleDocument") == true:
if err := writeMap(value.Interface()); err != nil {
return nil, err
}
case value.Metadata("isMultiDocument") == true:
for i := 0; i < value.Len(); i++ {
if err := writeMap(value.Index(i).Interface()); err != nil {
return nil, err
}
}
case value.IsDencodingMap():
dm := value.Interface().(*dencoding.Map)
if err := writeMap(dm.UnorderedData()); err != nil {
return nil, err
}
default:
if err := writeMap(value.Interface()); err != nil {
return nil, err
}
}
if colourise {
if err := ColouriseBuffer(buf, "xml"); err != nil {
return nil, fmt.Errorf("could not colourise output: %w", err)
}
}
return buf.Bytes(), nil
}
|
