/usr/share/gocode/src/github.com/kolo/xmlrpc/encoder.go is in golang-github-kolo-xmlrpc-dev 0+git20150413.0826b98-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | package xmlrpc
import (
"bytes"
"encoding/xml"
"fmt"
"reflect"
"strconv"
"time"
)
type encodeFunc func(reflect.Value) ([]byte, error)
func marshal(v interface{}) ([]byte, error) {
if v == nil {
return []byte{}, nil
}
val := reflect.ValueOf(v)
return encodeValue(val)
}
func encodeValue(val reflect.Value) ([]byte, error) {
var b []byte
var err error
if val.Kind() == reflect.Ptr || val.Kind() == reflect.Interface {
if val.IsNil() {
return []byte("<value/>"), nil
}
val = val.Elem()
}
switch val.Kind() {
case reflect.Struct:
switch val.Interface().(type) {
case time.Time:
t := val.Interface().(time.Time)
b = []byte(fmt.Sprintf("<dateTime.iso8601>%s</dateTime.iso8601>", t.Format(iso8601)))
default:
b, err = encodeStruct(val)
}
case reflect.Map:
b, err = encodeMap(val)
case reflect.Slice:
b, err = encodeSlice(val)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
b = []byte(fmt.Sprintf("<int>%s</int>", strconv.FormatInt(val.Int(), 10)))
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
b = []byte(fmt.Sprintf("<i4>%s</i4>", strconv.FormatUint(val.Uint(), 10)))
case reflect.Float32, reflect.Float64:
b = []byte(fmt.Sprintf("<double>%s</double>",
strconv.FormatFloat(val.Float(), 'g', -1, val.Type().Bits())))
case reflect.Bool:
if val.Bool() {
b = []byte("<boolean>1</boolean>")
} else {
b = []byte("<boolean>0</boolean>")
}
case reflect.String:
var buf bytes.Buffer
xml.Escape(&buf, []byte(val.String()))
if _, ok := val.Interface().(Base64); ok {
b = []byte(fmt.Sprintf("<base64>%s</base64>", buf.String()))
} else {
b = []byte(fmt.Sprintf("<string>%s</string>", buf.String()))
}
default:
return nil, fmt.Errorf("xmlrpc encode error: unsupported type")
}
if err != nil {
return nil, err
}
return []byte(fmt.Sprintf("<value>%s</value>", string(b))), nil
}
func encodeStruct(val reflect.Value) ([]byte, error) {
var b bytes.Buffer
b.WriteString("<struct>")
t := val.Type()
for i := 0; i < t.NumField(); i++ {
b.WriteString("<member>")
f := t.Field(i)
name := f.Tag.Get("xmlrpc")
if name == "" {
name = f.Name
}
b.WriteString(fmt.Sprintf("<name>%s</name>", name))
p, err := encodeValue(val.FieldByName(f.Name))
if err != nil {
return nil, err
}
b.Write(p)
b.WriteString("</member>")
}
b.WriteString("</struct>")
return b.Bytes(), nil
}
func encodeMap(val reflect.Value) ([]byte, error) {
var t = val.Type()
if t.Key().Kind() != reflect.String {
return nil, fmt.Errorf("xmlrpc encode error: only maps with string keys are supported")
}
var b bytes.Buffer
b.WriteString("<struct>")
keys := val.MapKeys()
for i := 0; i < val.Len(); i++ {
key := keys[i]
kval := val.MapIndex(key)
b.WriteString("<member>")
b.WriteString(fmt.Sprintf("<name>%s</name>", key.String()))
p, err := encodeValue(kval)
if err != nil {
return nil, err
}
b.Write(p)
b.WriteString("</member>")
}
b.WriteString("</struct>")
return b.Bytes(), nil
}
func encodeSlice(val reflect.Value) ([]byte, error) {
var b bytes.Buffer
b.WriteString("<array><data>")
for i := 0; i < val.Len(); i++ {
p, err := encodeValue(val.Index(i))
if err != nil {
return nil, err
}
b.Write(p)
}
b.WriteString("</data></array>")
return b.Bytes(), nil
}
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