60 lines
935 B
Go
60 lines
935 B
Go
// +build ignore
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// This generates countries.go by running "go generate"
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package main
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"strings"
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"text/template"
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)
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type Country struct {
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Code string
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Name string
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}
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var countries []Country
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func main() {
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rawData, err := ioutil.ReadFile("./countries.json")
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if err != nil {
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panic(err)
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}
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err = json.Unmarshal(rawData, &countries)
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if err != nil {
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panic(err)
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}
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f, err := os.Create("countries.go")
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if err != nil {
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panic(err)
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}
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defer f.Close()
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for i, v := range countries {
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countries[i].Code = strings.ToLower(v.Code)
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}
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packageTemplate.Execute(f, struct {
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Countries []Country
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}{
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Countries: countries,
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})
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}
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var packageTemplate = template.Must(template.New("").Parse(`// Code generated by go generate; DO NOT EDIT.
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package maps
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var CountryNames = map[string]string{
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{{- range .Countries }}
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{{ printf "%q" .Code }}: {{ printf "%q" .Name }},
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{{- end }}
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}`))
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