38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
package atom
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import (
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"encoding/xml"
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"errors"
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)
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type CommonAttributes struct {
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Base string `xml:"base,attr,omitempty"` // IRI
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Lang string `xml:"lang,attr,omitempty"` // LanguageTag
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UndefinedAttributes []*xml.Attr `xml:",attr,omitempty"`
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}
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// NewCommonAttributes creates a new set of CommonAttributes. It returns a
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// *CommonAttributes.
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func NewCommonAttributes() *CommonAttributes {
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return new(CommonAttributes)
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}
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// AddAttribute adds the Attribute to the CommonAttributes. It returns an error.
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func (c *CommonAttributes) AddAttribute(name, value string) error {
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if name == "" {
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return errors.New("error adding attribute: name string empty")
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}
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if value == "" {
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return errors.New("error adding attribute: value string empty")
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}
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if c.UndefinedAttributes == nil {
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c.UndefinedAttributes = make([]*xml.Attr, 1)
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c.UndefinedAttributes[0] = &xml.Attr{Name: xml.Name{Local: name}, Value: value}
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} else {
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c.UndefinedAttributes = append(c.UndefinedAttributes, &xml.Attr{Name: xml.Name{Local: name}, Value: value})
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}
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return nil
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}
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