forked from divan/gorilla-xmlrpc
/
rpc2xml.go
181 lines (158 loc) · 4.55 KB
/
rpc2xml.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
// Copyright 2013 Ivan Danyliuk
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xml
import (
"bytes"
"encoding/base64"
"fmt"
"io"
"reflect"
"strings"
"time"
)
func rpcRequest2XML(method string, rpc interface{}) (string, error) {
buffer := bytes.NewBuffer(make([]byte, 0))
fmt.Fprintf(buffer, "<methodCall><methodName>%s</methodName>", method)
err := rpcParams2XML(rpc, buffer)
fmt.Fprintf(buffer, "</methodCall>")
return buffer.String(), err
}
func rpcResponse2XMLStr(rpc interface{}) (string, error) {
buffer := bytes.NewBuffer(make([]byte, 0))
err := rpcResponse2XML(rpc, buffer)
return buffer.String(), err
}
func rpcResponse2XML(rpc interface{}, writer io.Writer) error {
var err error
fmt.Fprintf(writer, "<methodResponse>")
err = rpcParams2XML(rpc, writer)
fmt.Fprintf(writer, "</methodResponse>")
return err
}
func rpcParams2XML(rpc interface{}, writer io.Writer) error {
var err error
fmt.Fprintf(writer, "<params>")
// switch reflect.ValueOf(rpc).Elem().Kind() {
// case reflect.Struct:
for i := 0; i < reflect.ValueOf(rpc).Elem().NumField(); i++ {
fmt.Fprintf(writer, "<param>")
err = RPC2XML(reflect.ValueOf(rpc).Elem().Field(i).Interface(), writer)
fmt.Fprintf(writer, "</param>")
}
// case reflect.Slice, reflect.Array:
// fmt.Fprintf(writer, "<param>")
// err = RPC2XML(rpc, writer)
// fmt.Fprintf(writer, "</param>")
// }
fmt.Fprintf(writer, "</params>")
return err
}
func RPCParams2XMLForMulticall(rpc interface{}, writer io.Writer) error {
var err error
for i := 0; i < reflect.ValueOf(rpc).Elem().NumField(); i++ {
err = RPC2XML(reflect.ValueOf(rpc).Elem().Field(i).Interface(), writer)
}
return err
}
func RPC2XML(value interface{}, writer io.Writer) error {
fmt.Fprintf(writer, "<value>")
switch reflect.ValueOf(value).Kind() {
case reflect.Int:
fmt.Fprintf(writer, "<int>%d</int>", value.(int))
case reflect.Float64:
fmt.Fprintf(writer, "<double>%f</double>", value.(float64))
case reflect.String:
string2XML(value.(string), writer)
case reflect.Bool:
bool2XML(value.(bool), writer)
case reflect.Struct:
if reflect.TypeOf(value).String() != "time.Time" {
struct2XML(value, writer)
} else {
time2XML(value.(time.Time), writer)
}
case reflect.Slice, reflect.Array:
// FIXME: is it the best way to recognize '[]byte'?
if reflect.TypeOf(value).String() != "[]uint8" {
array2XML(value, writer)
} else {
base642XML(value.([]byte), writer)
}
case reflect.Ptr:
if reflect.ValueOf(value).IsNil() {
fmt.Fprintf(writer, "<nil/>")
}
}
fmt.Fprintf(writer, "</value>")
return nil
}
func bool2XML(value bool, writer io.Writer) {
var b string
if value {
b = "1"
} else {
b = "0"
}
fmt.Fprintf(writer, "<boolean>%s</boolean>", b)
}
func string2XML(value string, writer io.Writer) {
value = strings.Replace(value, "&", "&", -1)
value = strings.Replace(value, "\"", """, -1)
value = strings.Replace(value, "<", "<", -1)
value = strings.Replace(value, ">", ">", -1)
fmt.Fprintf(writer, "<string>%s</string>", value)
}
type XMLStruct interface {
MarshalXML() string
}
func struct2XML(value interface{}, writer io.Writer) {
if xs, ok := value.(XMLStruct); ok {
fmt.Fprintf(writer, xs.MarshalXML())
return
}
fmt.Fprintf(writer, "<struct>")
for i := 0; i < reflect.TypeOf(value).NumField(); i++ {
field := reflect.ValueOf(value).Field(i)
field_type := reflect.TypeOf(value).Field(i)
var name string
if field_type.Tag.Get("xml") != "" {
name = field_type.Tag.Get("xml")
} else {
name = field_type.Name
}
fmt.Fprintf(writer, "<member>")
fmt.Fprintf(writer, "<name>%s</name>", name)
RPC2XML(field.Interface(), writer)
fmt.Fprintf(writer, "</member>")
}
fmt.Fprintf(writer, "</struct>")
return
}
func array2XML(value interface{}, writer io.Writer) {
fmt.Fprintf(writer, "<array><data>")
for i := 0; i < reflect.ValueOf(value).Len(); i++ {
RPC2XML(reflect.ValueOf(value).Index(i).Interface(), writer)
}
fmt.Fprintf(writer, "</data></array>")
}
func time2XML(t time.Time, writer io.Writer) {
/*
// TODO: find out whether we need to deal
// here with TZ
var tz string;
zone, offset := t.Zone()
if zone == "UTC" {
tz = "Z"
} else {
tz = fmt.Sprintf("%03d00", offset / 3600 )
}
*/
fmt.Fprintf(writer, "<dateTime.iso8601>%04d%02d%02dT%02d:%02d:%02d</dateTime.iso8601>",
t.Year(), t.Month(), t.Day(),
t.Hour(), t.Minute(), t.Second())
}
func base642XML(data []byte, writer io.Writer) {
str := base64.StdEncoding.EncodeToString(data)
fmt.Fprintf(writer, "<base64>%s</base64>", str)
}