atom/commonAttributes.go

38 lines
1.1 KiB
Go

package atom
import "fmt"
type CommonAttributes struct {
Base IRI `xml:"base,attr,omitempty"`
Lang LanguageTag `xml:"lang,attr,omitempty"`
UndefinedAttributes []string `xml:",attr"`
}
// NewCommonAttributes creates a new set of CommonAttributes. It returns a
// *CommonAttributes.
func NewCommonAttributes() *CommonAttributes {
return new(CommonAttributes)
}
// AddExtensionAttribute adds the ExtensionAttribute to the CommonAttributes.
func (c *CommonAttributes) AddExtensionAttribute(name, value string) {
if c.UndefinedAttributes == nil {
c.UndefinedAttributes = make([]string, 1)
c.UndefinedAttributes[0] = fmt.Sprint(name, `="`, value, `"`)
} else {
c.UndefinedAttributes = append(c.UndefinedAttributes, fmt.Sprint(name, `="`, value, `"`))
}
}
// Check checks the CommonAttributes for incompatibilities with RFC4287. It
// returns an error.
func (c *CommonAttributes) Check() error {
for _, a := range c.UndefinedAttributes {
if !isValidAttribute(a) {
return fmt.Errorf("attribute %v of undefined attributes of common attributes not correctly formatted", a)
}
}
return nil
}