func (ap *Parser) parseSource(p *xpp.XMLPullParser) (*Source, error) {
if err := p.Expect(xpp.StartTag, "source"); err != nil {
return nil, err
}
source := &Source{}
contributors := []*Person{}
authors := []*Person{}
categories := []*Category{}
links := []*Link{}
extensions := ext.Extensions{}
for {
tok, err := p.NextTag()
if err != nil {
return nil, err
}
if tok == xpp.EndTag {
break
}
if tok == xpp.StartTag {
name := strings.ToLower(p.Name)
if shared.IsExtension(p) {
e, err := shared.ParseExtension(extensions, p)
if err != nil {
return nil, err
}
extensions = e
} else if name == "title" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.Title = result
} else if name == "id" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.ID = result
} else if name == "updated" ||
name == "modified" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.Updated = result
date, err := shared.ParseDate(result)
if err == nil {
utcDate := date.UTC()
source.UpdatedParsed = &utcDate
}
} else if name == "subtitle" ||
name == "tagline" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.Subtitle = result
} else if name == "link" {
result, err := ap.parseLink(p)
if err != nil {
return nil, err
}
links = append(links, result)
} else if name == "generator" {
result, err := ap.parseGenerator(p)
if err != nil {
return nil, err
}
source.Generator = result
} else if name == "icon" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.Icon = result
} else if name == "logo" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.Logo = result
} else if name == "rights" ||
name == "copyright" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
source.Rights = result
} else if name == "contributor" {
result, err := ap.parsePerson("contributor", p)
if err != nil {
return nil, err
}
contributors = append(contributors, result)
} else if name == "author" {
result, err := ap.parsePerson("author", p)
if err != nil {
return nil, err
}
authors = append(authors, result)
} else if name == "category" {
result, err := ap.parseCategory(p)
if err != nil {
return nil, err
}
categories = append(categories, result)
} else {
err := p.Skip()
if err != nil {
return nil, err
}
}
}
}
if len(categories) > 0 {
source.Categories = categories
}
if len(authors) > 0 {
source.Authors = authors
}
if len(contributors) > 0 {
source.Contributors = contributors
}
if len(links) > 0 {
source.Links = links
}
if len(extensions) > 0 {
source.Extensions = extensions
}
if err := p.Expect(xpp.EndTag, "source"); err != nil {
return nil, err
}
return source, nil
}
func (ap *Parser) parseEntry(p *xpp.XMLPullParser) (*Entry, error) {
if err := p.Expect(xpp.StartTag, "entry"); err != nil {
return nil, err
}
entry := &Entry{}
contributors := []*Person{}
authors := []*Person{}
categories := []*Category{}
links := []*Link{}
extensions := ext.Extensions{}
for {
tok, err := p.NextTag()
if err != nil {
return nil, err
}
if tok == xpp.EndTag {
break
}
if tok == xpp.StartTag {
name := strings.ToLower(p.Name)
if shared.IsExtension(p) {
e, err := shared.ParseExtension(extensions, p)
if err != nil {
return nil, err
}
extensions = e
} else if name == "title" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
entry.Title = result
} else if name == "id" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
entry.ID = result
} else if name == "rights" ||
name == "copyright" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
entry.Rights = result
} else if name == "summary" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
entry.Summary = result
} else if name == "source" {
result, err := ap.parseSource(p)
if err != nil {
return nil, err
}
entry.Source = result
} else if name == "updated" ||
name == "modified" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
entry.Updated = result
date, err := shared.ParseDate(result)
if err == nil {
utcDate := date.UTC()
entry.UpdatedParsed = &utcDate
}
} else if name == "contributor" {
result, err := ap.parsePerson("contributor", p)
if err != nil {
return nil, err
}
contributors = append(contributors, result)
} else if name == "author" {
result, err := ap.parsePerson("author", p)
if err != nil {
return nil, err
}
authors = append(authors, result)
} else if name == "category" {
result, err := ap.parseCategory(p)
if err != nil {
return nil, err
}
categories = append(categories, result)
} else if name == "link" {
result, err := ap.parseLink(p)
if err != nil {
return nil, err
}
links = append(links, result)
} else if name == "published" ||
name == "issued" {
result, err := ap.parseAtomText(p)
if err != nil {
return nil, err
}
entry.Published = result
date, err := shared.ParseDate(result)
if err == nil {
utcDate := date.UTC()
entry.PublishedParsed = &utcDate
}
} else if name == "content" {
result, err := ap.parseContent(p)
if err != nil {
return nil, err
}
entry.Content = result
} else {
err := p.Skip()
if err != nil {
return nil, err
}
}
}
}
if len(categories) > 0 {
entry.Categories = categories
}
if len(authors) > 0 {
entry.Authors = authors
}
if len(links) > 0 {
entry.Links = links
}
if len(contributors) > 0 {
entry.Contributors = contributors
}
if len(extensions) > 0 {
entry.Extensions = extensions
}
if err := p.Expect(xpp.EndTag, "entry"); err != nil {
return nil, err
}
return entry, nil
}
func (rp *Parser) parseRoot(p *xpp.XMLPullParser) (*Feed, error) {
rssErr := p.Expect(xpp.StartTag, "rss")
rdfErr := p.Expect(xpp.StartTag, "rdf")
if rssErr != nil && rdfErr != nil {
return nil, fmt.Errorf("%s or %s", rssErr.Error(), rdfErr.Error())
}
// Items found in feed root
var channel *Feed
var textinput *TextInput
var image *Image
items := []*Item{}
ver := rp.parseVersion(p)
for {
tok, err := p.NextTag()
if err != nil {
return nil, err
}
if tok == xpp.EndTag {
break
}
if tok == xpp.StartTag {
// Skip any extensions found in the feed root.
if shared.IsExtension(p) {
p.Skip()
continue
}
name := strings.ToLower(p.Name)
if name == "channel" {
channel, err = rp.parseChannel(p)
if err != nil {
fmt.Printf("error in channel: %s\n", err)
return nil, err
}
} else if name == "item" {
item, err := rp.parseItem(p)
if err != nil {
return nil, err
}
items = append(items, item)
} else if name == "textinput" {
textinput, err = rp.parseTextInput(p)
if err != nil {
return nil, err
}
} else if name == "image" {
image, err = rp.parseImage(p)
if err != nil {
return nil, err
}
} else {
p.Skip()
}
}
}
rssErr = p.Expect(xpp.EndTag, "rss")
rdfErr = p.Expect(xpp.EndTag, "rdf")
if rssErr != nil && rdfErr != nil {
return nil, fmt.Errorf("%s or %s", rssErr.Error(), rdfErr.Error())
}
if channel == nil {
channel = &Feed{}
channel.Items = []*Item{}
}
if len(items) > 0 {
channel.Items = append(channel.Items, items...)
}
if textinput != nil {
channel.TextInput = textinput
}
if image != nil {
channel.Image = image
}
channel.Version = ver
return channel, nil
}
func (rp *Parser) parseItem(p *xpp.XMLPullParser) (item *Item, err error) {
if err = p.Expect(xpp.StartTag, "item"); err != nil {
return nil, err
}
item = &Item{}
extensions := ext.Extensions{}
categories := []*Category{}
for {
tok, err := p.NextTag()
if err != nil {
return nil, err
}
if tok == xpp.EndTag {
break
}
if tok == xpp.StartTag {
name := strings.ToLower(p.Name)
if shared.IsExtension(p) {
ext, err := shared.ParseExtension(extensions, p)
if err != nil {
return nil, err
}
item.Extensions = ext
} else if name == "title" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
item.Title = result
} else if name == "description" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
item.Description = result
} else if name == "link" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
item.Link = result
} else if name == "author" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
item.Author = result
} else if name == "comments" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
item.Comments = result
} else if name == "pubdate" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
item.PubDate = result
date, err := shared.ParseDate(result)
if err == nil {
utcDate := date.UTC()
item.PubDateParsed = &utcDate
}
} else if name == "source" {
result, err := rp.parseSource(p)
if err != nil {
return nil, err
}
item.Source = result
} else if name == "enclosure" {
result, err := rp.parseEnclosure(p)
if err != nil {
return nil, err
}
item.Enclosure = result
} else if name == "guid" {
result, err := rp.parseGUID(p)
if err != nil {
return nil, err
}
item.GUID = result
} else if name == "category" {
result, err := rp.parseCategory(p)
if err != nil {
return nil, err
}
categories = append(categories, result)
} else {
// Skip any elements not part of the item spec
p.Skip()
}
}
}
if len(categories) > 0 {
item.Categories = categories
}
if len(extensions) > 0 {
item.Extensions = extensions
if itunes, ok := item.Extensions["itunes"]; ok {
item.ITunesExt = ext.NewITunesItemExtension(itunes)
}
if dc, ok := item.Extensions["dc"]; ok {
item.DublinCoreExt = ext.NewDublinCoreExtension(dc)
}
}
if err = p.Expect(xpp.EndTag, "item"); err != nil {
return nil, err
}
return item, nil
}
func (rp *Parser) parseChannel(p *xpp.XMLPullParser) (rss *Feed, err error) {
if err = p.Expect(xpp.StartTag, "channel"); err != nil {
return nil, err
}
rss = &Feed{}
rss.Items = []*Item{}
extensions := ext.Extensions{}
categories := []*Category{}
for {
tok, err := p.NextTag()
if err != nil {
return nil, err
}
if tok == xpp.EndTag {
break
}
if tok == xpp.StartTag {
name := strings.ToLower(p.Name)
if shared.IsExtension(p) {
ext, err := shared.ParseExtension(extensions, p)
if err != nil {
return nil, err
}
extensions = ext
} else if name == "title" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Title = result
} else if name == "description" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Description = result
} else if name == "link" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Link = result
} else if name == "language" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Language = result
} else if name == "copyright" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Copyright = result
} else if name == "managingeditor" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.ManagingEditor = result
} else if name == "webmaster" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.WebMaster = result
} else if name == "pubdate" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.PubDate = result
date, err := shared.ParseDate(result)
if err == nil {
utcDate := date.UTC()
rss.PubDateParsed = &utcDate
}
} else if name == "lastbuilddate" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.LastBuildDate = result
date, err := shared.ParseDate(result)
if err == nil {
utcDate := date.UTC()
rss.LastBuildDateParsed = &utcDate
}
} else if name == "generator" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Generator = result
} else if name == "docs" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Docs = result
} else if name == "ttl" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.TTL = result
} else if name == "rating" {
result, err := shared.ParseText(p)
if err != nil {
return nil, err
}
rss.Rating = result
} else if name == "skiphours" {
result, err := rp.parseSkipHours(p)
if err != nil {
return nil, err
}
rss.SkipHours = result
} else if name == "skipdays" {
result, err := rp.parseSkipDays(p)
if err != nil {
return nil, err
}
rss.SkipDays = result
} else if name == "item" {
result, err := rp.parseItem(p)
if err != nil {
return nil, err
}
rss.Items = append(rss.Items, result)
} else if name == "cloud" {
result, err := rp.parseCloud(p)
if err != nil {
return nil, err
}
rss.Cloud = result
} else if name == "category" {
result, err := rp.parseCategory(p)
if err != nil {
return nil, err
}
categories = append(categories, result)
} else if name == "image" {
result, err := rp.parseImage(p)
if err != nil {
return nil, err
}
rss.Image = result
} else if name == "textinput" {
result, err := rp.parseTextInput(p)
if err != nil {
return nil, err
}
rss.TextInput = result
} else {
// Skip element as it isn't an extension and not
// part of the spec
p.Skip()
}
}
}
if err = p.Expect(xpp.EndTag, "channel"); err != nil {
return nil, err
}
if len(categories) > 0 {
rss.Categories = categories
}
if len(extensions) > 0 {
rss.Extensions = extensions
if itunes, ok := rss.Extensions["itunes"]; ok {
rss.ITunesExt = ext.NewITunesFeedExtension(itunes)
}
if dc, ok := rss.Extensions["dc"]; ok {
rss.DublinCoreExt = ext.NewDublinCoreExtension(dc)
}
}
return rss, nil
}