xml parsing example

rosreestr.go

package main

import (
	"encoding/xml"
	"fmt"
	"io/ioutil"
	"os"
)

type CadastralBlock struct {
	XMLName xml.Name `xml:""`
	Parcels Parcels  `xml:"Parcels"`
}

type Parcels struct {
	Parcel Parcel `xml:"Parcel"`
}

type Parcel struct {
	XMLName        xml.Name      `xml:"Parcel"`
	CadastralBlock string        `xml:"CadastralBlock"`
	EntitySpatial  EntitySpatial `xml:"EntitySpatial"`
}

type EntitySpatial struct {
	XMLName        xml.Name       `xml:"EntitySpatial"`
	SpatialElement SpatialElement `xml:"SpatialElement"`
}

type SpatialElement struct {
	XMLName   xml.Name   `xml:"SpatialElement"`
	Ordinates []Ordinate `xml:"SpelementUnit>Ordinate"`
}

type Ordinate struct {
	XMLName xml.Name `xml:"Ordinate"`
	X       float64  `xml:"X,attr"`
	Y       float64  `xml:"Y,attr"`
}

const filename = "kvzu.xml"

func main() {
	f, err := os.Open(filename)
	if err != nil {
		fmt.Println("Error while opening file", filename, err)
	}
	fmt.Println("File succesfully opened", filename)
	defer f.Close()

	byteValue, _ := ioutil.ReadAll(f)
	var block CadastralBlock

	xml.Unmarshal(byteValue, &block)

	fmt.Printf("%+v\n", block)

	coords := block.Parcels.Parcel.EntitySpatial.SpatialElement.Ordinates

	for _, coord := range coords {
		fmt.Println(coord.X, coord.Y)
	}

}