Simple package to marshall and unmarshall fixed width text to struct
How to use:
package main
import (
"encoding/json"
"fmt"
"github.com/iarief/tts"
)
type User struct {
FirstName string `txt_width:"10" pad_dir:"right" pad_str:" "`
LastName string `txt_width:"10" pad_dir:"right" pad_str:" "`
IgnoredValue string `txt_width:"-" json:"-"`
Age int `txt_width:"3" pad_dir:"left" pad_str:"0"`
Height float64 `txt_width:"8" pad_dir:"left" pad_str:" "`
}
func main() {
user := User{"john", "doe", "ignore this", 20, 182.88}
str, _ := tts.Marshal(&user)
fmt.Println(str) // "john doe 020 182.88"
user2 := User{}
_ = tts.Unmarshal(str, &user2)
byteJSON, _ := json.Marshal(user2)
fmt.Println(string(byteJSON)) // "{\"FirstName\":\"john\",\:LastName\":\"doe\",\"Age\":20,\"Height\":182.88}"
}
Please note while marshaling the string is forced to be the length that is defined in txt_width tag, either by substring or padding (which could be configured in pad tag)
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