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atom.go (1537B)

      1 // Package atom implements decoding encoding of Atom feeds as
      2 // specified in RFC 4287.
      3 package atom
      4 
      5 import (
      6 	"encoding/xml"
      7 	"time"
      8 )
      9 
     10 // MediaType is Atom's IANA media type.
     11 const MediaType = "application/atom+xml"
     12 
     13 type Feed struct {
     14 	ID       string    `xml:"id"`
     15 	Title    string    `xml:"title"`
     16 	Updated  time.Time `xml:"updated"`
     17 	Author   *Author   `xml:"author,omitempty"`
     18 	Link     []Link    `xml:"link,omitempty"`
     19 	Subtitle string    `xml:"subtitle,omitempty"`
     20 	Entries  []Entry   `xml:"entry"`
     21 }
     22 
     23 var rootElement = xml.StartElement{
     24 	Name: xml.Name{
     25 		Space: "http://www.w3.org/2005/Atom",
     26 		Local: "feed",
     27 	},
     28 }
     29 
     30 type alias Feed
     31 
     32 func (f *Feed) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
     33 	return e.EncodeElement(alias(*f), rootElement)
     34 }
     35 
     36 func (f *Feed) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
     37 	return d.DecodeElement((*alias)(f), &rootElement)
     38 }
     39 
     40 type Author struct {
     41 	Name  string `xml:"name"`
     42 	URI   string `xml:"uri,omitempty"`
     43 	Email string `xml:"email,omitempty"`
     44 }
     45 
     46 type Entry struct {
     47 	ID        string     `xml:"id"`
     48 	Title     string     `xml:"title"`
     49 	Updated   time.Time  `xml:"updated,omitempty"`
     50 	Author    *Author    `xml:"author,omitempty"`
     51 	Links     []Link     `xml:"link"`
     52 	Summary   string     `xml:"summary,omitempty"`
     53 	Content   []byte     `xml:"content,omitempty"`
     54 	Published *time.Time `xml:"published,omitempty"`
     55 }
     56 
     57 type Link struct {
     58 	HRef string `xml:"href,attr,omitempty"`
     59 	Rel  string `xml:"rel,attr,omitempty"`
     60 	Type string `xml:"type,attr,omitempty"`
     61 }