go-pkg-rss/atom.go

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package feeder
import xmlx "github.com/jteeuwen/go-pkg-xmlx"
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func (this *Feed) readAtom(doc *xmlx.Document) (err error) {
ns := "http://www.w3.org/2005/Atom"
channels := doc.SelectNodes(ns, "feed")
var foundChannels []*Channel
var ch *Channel
var i *Item
var tn *xmlx.Node
var list []*xmlx.Node
for _, node := range channels {
ch = new(Channel)
foundChannels = append(foundChannels, ch)
ch.Title = node.S(ns, "title")
ch.LastBuildDate = node.S(ns, "updated")
ch.Id = node.S(ns, "id")
ch.Rights = node.S(ns, "rights")
list = node.SelectNodes(ns, "link")
ch.Links = make([]Link, len(list))
for i, v := range list {
ch.Links[i].Href = v.As("", "href")
ch.Links[i].Rel = v.As("", "rel")
ch.Links[i].Type = v.As("", "type")
ch.Links[i].HrefLang = v.As("", "hreflang")
}
if tn = node.SelectNode(ns, "subtitle"); tn != nil {
ch.SubTitle = SubTitle{}
ch.SubTitle.Type = tn.As("", "type")
ch.SubTitle.Text = tn.GetValue()
}
if tn = node.SelectNode(ns, "generator"); tn != nil {
ch.Generator = Generator{}
ch.Generator.Uri = tn.As("", "uri")
ch.Generator.Version = tn.As("", "version")
ch.Generator.Text = tn.GetValue()
}
if tn = node.SelectNode(ns, "author"); tn != nil {
ch.Author = Author{}
ch.Author.Name = tn.S("", "name")
ch.Author.Uri = tn.S("", "uri")
ch.Author.Email = tn.S("", "email")
}
itemcount := len(ch.Items)
list = node.SelectNodes(ns, "entry")
for _, item := range list {
i = new(Item)
i.Title = item.S(ns, "title")
i.Id = item.S(ns, "id")
i.PubDate = item.S(ns, "updated")
i.Description = item.S(ns, "summary")
links := item.SelectNodes(ns, "link")
for _, lv := range links {
if lv.As(ns, "rel") == "enclosure" {
enc := new(Enclosure)
enc.Url = lv.As("", "href")
enc.Type = lv.As("", "type")
i.Enclosures = append(i.Enclosures, enc)
} else {
lnk := new(Link)
lnk.Href = lv.As("", "href")
lnk.Rel = lv.As("", "rel")
lnk.Type = lv.As("", "type")
lnk.HrefLang = lv.As("", "hreflang")
i.Links = append(i.Links, lnk)
}
}
list = item.SelectNodes(ns, "contributor")
for _, cv := range list {
i.Contributors = append(i.Contributors, cv.S("", "name"))
}
if tn = item.SelectNode(ns, "content"); tn != nil {
i.Content = new(Content)
i.Content.Type = tn.As("", "type")
i.Content.Lang = tn.S("xml", "lang")
i.Content.Base = tn.S("xml", "base")
i.Content.Text = tn.GetValue()
}
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if tn = item.SelectNode(ns, "author"); tn != nil {
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i.Author = Author{}
i.Author.Name = tn.S(ns, "name")
i.Author.Uri = tn.S(ns, "uri")
i.Author.Email = tn.S(ns, "email")
}
ch.Items = append(ch.Items, i)
}
if itemcount != len(ch.Items) && this.itemhandler != nil {
this.itemhandler(this, ch, ch.Items[itemcount:])
}
}
this.Channels = foundChannels
return
}