106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
// code examples for godoc
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package toml_test
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import (
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"fmt"
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"log"
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toml "github.com/pelletier/go-toml"
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)
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func Example_tree() {
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config, err := toml.LoadFile("config.toml")
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if err != nil {
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fmt.Println("Error ", err.Error())
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} else {
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// retrieve data directly
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user := config.Get("postgres.user").(string)
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password := config.Get("postgres.password").(string)
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// or using an intermediate object
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configTree := config.Get("postgres").(*toml.Tree)
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user = configTree.Get("user").(string)
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password = configTree.Get("password").(string)
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fmt.Println("User is", user, " and password is", password)
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// show where elements are in the file
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fmt.Printf("User position: %v\n", configTree.GetPosition("user"))
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fmt.Printf("Password position: %v\n", configTree.GetPosition("password"))
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}
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}
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func Example_unmarshal() {
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type Employer struct {
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Name string
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Phone string
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}
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type Person struct {
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Name string
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Age int64
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Employer Employer
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}
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document := []byte(`
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name = "John"
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age = 30
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[employer]
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name = "Company Inc."
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phone = "+1 234 567 89012"
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`)
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person := Person{}
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toml.Unmarshal(document, &person)
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fmt.Println(person.Name, "is", person.Age, "and works at", person.Employer.Name)
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// Output:
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// John is 30 and works at Company Inc.
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}
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func ExampleMarshal() {
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type Postgres struct {
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User string `toml:"user"`
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Password string `toml:"password"`
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Database string `toml:"db" commented:"true" comment:"not used anymore"`
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}
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type Config struct {
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Postgres Postgres `toml:"postgres" comment:"Postgres configuration"`
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}
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config := Config{Postgres{User: "pelletier", Password: "mypassword", Database: "old_database"}}
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b, err := toml.Marshal(config)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(string(b))
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// Output:
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// # Postgres configuration
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// [postgres]
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//
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// # not used anymore
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// # db = "old_database"
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// password = "mypassword"
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// user = "pelletier"
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}
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func ExampleUnmarshal() {
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type Postgres struct {
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User string
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Password string
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}
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type Config struct {
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Postgres Postgres
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}
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doc := []byte(`
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[postgres]
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user = "pelletier"
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password = "mypassword"`)
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config := Config{}
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toml.Unmarshal(doc, &config)
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fmt.Println("user=", config.Postgres.User)
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// Output:
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// user= pelletier
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}
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