package gin

import (
	"encoding/xml"
	"path"
)

type H map[string]interface{}

// Allows type H to be used with xml.Marshal
func (h H) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	start.Name = xml.Name{
		Space: "",
		Local: "map",
	}
	if err := e.EncodeToken(start); err != nil {
		return err
	}
	for key, value := range h {
		elem := xml.StartElement{
			Name: xml.Name{Space: "", Local: key},
			Attr: []xml.Attr{},
		}
		if err := e.EncodeElement(value, elem); err != nil {
			return err
		}
	}
	if err := e.EncodeToken(xml.EndElement{Name: start.Name}); err != nil {
		return err
	}
	return nil
}

func joinGroupPath(elems ...string) string {
	joined := path.Join(elems...)
	lastComponent := elems[len(elems)-1]
	// Append a '/' if the last component had one, but only if it's not there already
	if len(lastComponent) > 0 && lastComponent[len(lastComponent)-1] == '/' && joined[len(joined)-1] != '/' {
		return joined + "/"
	}
	return joined
}

func filterFlags(content string) string {
	for i, a := range content {
		if a == ' ' || a == ';' {
			return content[:i]
		}
	}
	return content
}