RSSとATOMの文書構造モデル(メモ書き) - During The Prime Hacking Hours.

■[rss][atom]RSSとATOMの文書構造モデル(メモ書き)

必要に迫られてRSSとATOMの文書構造を調べています。
Web KANZAKIさんのRSS 1.0全要素のツリーが見やすかったので、これを手本に文書構造をモデル化。
個人的メモなので説明はなし。

RSS 0.91

RSS 0.92

RSS 1.00(Web KANZAKIさん)

RSS 2.00

ATOM 0.3

ATOM 1.0

http://backend.userland.com/rss091

• rss version="0.91"
  • channel
    • title(100)
    • link(500:url)
    • description(500)
    • language(sample)
    • image
    • copyright(100)?
    • managingEditor(100:mail)?
    • webMaster(100:mail)?
    • rating(500:PICS)?
    • pubDate(RFC822 format)?
    • lastBuildDate(RFC822 format)?
    • docs(500:url)?
    • textInput?
    • skipDays?
    • skipHours?
    • items*
  • image
    • url(500:url)
    • title(100)
    • link(500:url)
    • width?
    • height?
  • item*
    • title(100)
    • link(500:url)
    • description(500)?
  • textinput?
    • title(100)
    • description(500)
    • name(20)
    • link(500:url)

http://www.rssboard.org/rss-0-9-2

• rss version="0.92"
  • channel
    • title
    • link(url)
    • description
    • language(sample)?
    • image?
    • copyright?
    • managingEditor(mail)?
    • webMaster(mail)?
    • rating(PICS)?
    • pubDate(RFC822 format)?
    • lastBuildDate(RFC822 format)?
    • docs(url)?
    • textInput?
    • skipDays?
    • skipHours?
    • items*
  • image
    • url(url)
    • title
    • link(url)
    • width?
    • height?
  • item*
    • title?
    • link(url)?
    • description?
    • source(attr[url])?
    • enclosure(attr[url,length,type])?
    • category(forward-slash-separated)?
    • cloud(rssCloud)?
  • textinput?
    • title
    • description
    • name
    • link(url)

http://www.rssboard.org/rss-2-0

• rss version="2.0"
  • channel
    • title
    • link(url)
    • description
    • language(sample)?
    • image?
    • copyright?
    • managingEditor(mail)?
    • webMaster(mail)?
    • rating(PICS)?
    • pubDate(RFC822 format)?
    • lastBuildDate(RFC822 format)?
    • docs(http://backend.userland.com/rss)?
    • textInput?
    • skipDays?
    • skipHours?
    • items*
    • category(forward-slash-separated)?
    • generator?
    • cloud(rssCloud)?
    • ttl(minutes)?
  • image
    • url(url)
    • title
    • link(url)
    • width?
    • height?
  • item*
    • title?
    • link(url)?
    • description?
    • source(attr[url])?
    • enclosure(attr[url,length,type])?
    • category(forward-slash-separated)?
    • cloud(rssCloud)?
    • author(email)?
    • comments(url)?
    • guid(url,attr[isParmalink?])?
    • pubDate(RFC822 format)?
  • textinput?
    • title
    • description
    • name
    • link(url)

ATOM 0.3

http://www.witha.jp/Atom/Chapter-2_The_Atom_Syndication_Format.html

コンストラクト

• Constructs
  • Content
    • attr[title,summary,content,mode]
  • Person
    • attr[name,uri?,email?]
  • Date
  • Link
    • attr[ref="alternate|start|next|prev|service.edit|service.post|service.feed"]
    • attr[href,type,title]

構造

• feed version="0.3"(attr[version,xml:lang?])
  • title
  • link(attr[rel="alternate",type,href])
  • link(Link)*
  • author(Person)
  • contributer(Person)*
  • tagline(Content)+
  • id?
  • generator(attr[url?,version?]?
  • copyright(Content)?
  • info(Content)?
  • modified(Date)?
  • entry*
• entry*
  • title(Content)
  • link(attr[rel="alternate",type,href])
  • link(Link)*
  • author(Person)?
  • contributer(Person)*
  • id?
  • modified(Date)
  • issued(Date)
  • created(Date)?
  • summary(Content)?
  • content(Content)*

ATOM 1.0

http://www.atomenabled.org/developers/syndication/atom-format-spec.php

コンストラクト

• Constructs
  • Text
    • attr[#common#,type="text|html|xhtml"?,text?]
  • Person
    • attr[#common#]
    • atom:name
    • atom:url?
    • atom:email?
    • (extentionElement)*
  • Date
    • xsd:dateTime

構造

• • atom:feed|atom:entry
• atom:feed [xml:base?xml:lang?]
  • atom:author(Person)*
  • atom:category([#common#,term,scheme?,label?],#undef#)*
  • atom:contributor(Person)*
  • atom:generator([#common#,uri?,version?])?
  • atom:icon([#common#],xsd:anyURI)?
  • atom:id([#common#],xsd:anyURI)
  • atom:link([#common#,href,rel?,type?,hreflang?,title?,length?],#undef#)*
  • atom:logo([#common#],xsd:anyURI)?
  • atom:rights(Text)?
  • atom:subtitle(Text)?
  • atom:title(Text)
  • atom:updated(Date)
  • extensionElement*
  • atomEntry*
• atom:entry([#common#])
  • atom:author(Person)*
  • atom:category([#common#,term,scheme?,label?],#undef#)*
  • atom:content([#common#,type?],#any#*)?
  • atom:contributor(Person)*
  • atom:id([#common#],xsd:anyURI)
  • atom:link([#common#,href,rel?,type?,hreflang?,title?,length?],#undef#)*
  • atom:published(Date)?
  • atom:rights(Text)?
  • atom:source?
  • atom:summary(Text)?
  • atom:title(Text)
  • atom:updated(Date)
  • extensionElement*
• atom:source?
  • atom:author(Person)*
  • atom:category([#common#,term,scheme?,label?],#undef#)*
  • atom:contributor(Person)*
  • atom:generator([#common#,uri?,version?])?
  • atom:icon([#common#],xsd:anyURI)?
  • atom:id([#common#],xsd:anyURI)
  • atom:link([#common#,href,rel?,type?,hreflang?,title?,length?],#undef#)*
  • atom:logo([#common#],xsd:anyURI)?
  • atom:rights(Text)?
  • atom:subtitle(Text)?
  • atom:title(Text)
  • atom:updated(Date)
  • extensionElement*
• その他
  • #common# = attr[xml:base?,xml:lang?]