package url

import "net/url"
import "html/template"
import "git.tebibyte.media/sashakoshka/step"

var _ step.FuncProvider = new(Provider)

// Provider provides URL functions.
type Provider struct {
	
}

// FuncMap fulfills the step.FuncProvider interface.
func (this *Provider) FuncMap () template.FuncMap {
	return template.FuncMap {
		"parseQuery": funcParseQuery,
	}
}

func funcParseQuery (query string) url.Values {
	// wrapped here because the query might contain all sorts of nonsense,
	// and returning an error in a template function causes everything to
	// stop rather ungracefully
	values, err := url.ParseQuery(query)
	if err != nil {
		values = make(url.Values)
	}
	return values
}