XML / Hybrid XML parsing: combine pull and unmarshal / Essential Go
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
package main
import (
"bytes"
"encoding/xml"
"fmt"
"io"
)
var xmlStr = `
<people>
<person age="34">
<first-name>John</first-name>
<address>
<city>San Francisco</city>
<state>CA</state>
</address>
</person>
<person age="23">
<address>
<city>Austin</city>
<state>TX</state>
</address>
</person>
</people>`
type Address struct {
City string `xml:"city"`
State string `xml:"state"`
}
func main() {
r := bytes.NewBufferString(xmlStr)
decoder := xml.NewDecoder(r)
for {
t, err := decoder.Token()
if err == io.EOF {
// io.EOF is a successful end
break
}
if err != nil {
fmt.Printf("decoder.Token() failed with '%s'\n", err)
break
}
switch v := t.(type) {
case xml.StartElement:
if v.Name.Local == "address" {
var address Address
err = decoder.DecodeElement(&address, &v)
if err != nil {
fmt.Printf("decoder.DecodeElement() failed with '%s'\n", err)
break
}
fmt.Printf("%+#v\n", address)
}
}
}
}
Go
INFO