package main

import (
	"fmt"
)

const (
	URL = iota
	TAG
	DESCRIPTION
)

type Token struct {
	Type  int
	Value string
}

func (t Token) String() string {
	return fmt.Sprintf("%v : '%s'", t.Type, t.Value)
}

func Parse(t []Token) Feed {
	var f Feed
	for i := range t {
		token := t[i]
		if token.Type == URL {
			f.URL = token.Value
		}
		
		if token.Type == DESCRIPTION {
			f.Description = token.Value
		}
		
		if token.Type == TAG {
			f.Tags = append(f.Tags, token.Value)
		}
	}

	return f
}