package main

import (
    "encoding/xml"
    //"fmt"
    //"strings"
    "io/ioutil"
    "log"
)

type Result struct {
    Person []Person
}

type Person struct {
    Name      string
    Age       int
    Career    string
    Interests Interests
}

type Interests struct {
    Interest []string
}

func main() {
    content, err := ioutil.ReadFile("studygolang.xml")
    if err != nil {
        log.Fatal(err)
    }
    var result Result
    err = xml.Unmarshal(content, &result)
    if err != nil {
        log.Fatal(err)
    }
    log.Println(result)
}

/*
func main() {
    var t xml.Token
    var err error

    input := `<Person><FirstName>Xu</FirstName><LastName>Xinhua</LastName></Person>`
    inputReader := strings.NewReader(input)

    // 從文件讀取，如可以如下：
    // content, err := ioutil.ReadFile("studygolang.xml")
    // decoder := xml.NewDecoder(bytes.NewBuffer(content))

    decoder := xml.NewDecoder(inputReader)

    for t, err = decoder.Token(); err == nil; t, err = decoder.Token() {
        switch token := t.(type) {
        case xml.StartElement:
            name := token.Name.Local
            fmt.Printf("Token name: %s\n", name)

            for _, attr := range token.Attr {
                attrName := attr.Name.Local
                attrValue := attr.Value
                fmt.Printf("An attribute is: %s %s\n", attrName, attrValue)
            }
        case xml.EndElement:
            fmt.Printf("Token of '%s' end\n", token.Name.Local)
        case xml.CharData:
            content := string([]byte(token))
            fmt.Printf("This is the content: %v\n", content)
        default:
            // ...
        }
    }
}
*/