@kjk1/

gobook xml parse from file

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  • main.go

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Error: Error: must not create an existing file {"type":"CREATE_FILE","wid":"0.8430521878415687","path":"main.go","file":{"path":"main.go","content":{"asEncoding":{"base64":"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"},"asBuffer":null},"loaded":true}}
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package main

import (
	"bytes"
	"encoding/xml"
	"fmt"
	"io"
	"log"
	"os"
)

var xmlStr = `
<people>
	<person age="34">
		<first-name>John</first-name>
		<address>
			<city>San Francisco</city>
			<state>CA</state>
		</address>
	</person>

	<person age="23">
		<first-name>Julia</first-name>
	</person>
</people>`

type People struct {
	Person []Person `xml:"person"`
}

type Person struct {
	Age       int     `xml:"age,attr"`
	FirstName string  `xml:"first-name"`
	Address   Address `xml:"address"`
}

type Address struct {
	City  *string `xml:"city"`
	State string  `xml:"state"`
}

// :show start
func decodeFromReader(r io.Reader) (*People, error) {
	var people People
	decoder := xml.NewDecoder(r)
	err := decoder.Decode(&people)
	if err != nil {
		return nil, err
	}
	return &people, nil
}

func decodeFromString(s string) (*People, error) {
	r := bytes.NewBufferString(s)
	return decodeFromReader(r)
}

func decodeFromFile(path string) (*People, error) {
	f, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer f.Close()
	return decodeFromReader(f)
}

// :show end

func main() {
	people, err := decodeFromString(xmlStr)
	if err != nil {
		log.Fatalf("decodeFromString failed with '%s'\n", err)
	}
	fmt.Printf("%#v\n\n", people)
}