code.delx.au - gnu-emacs/blob - etc/schema/relaxng.rnc

   1 # RELAX NG XML syntax expressed in RELAX NG Compact syntax.
   2
   3 default namespace rng = "http://relaxng.org/ns/structure/1.0"
   4 namespace local = ""
   5 datatypes xsd = "http://www.w3.org/2001/XMLSchema-datatypes"
   6
   7 start = pattern
   8
   9 pattern =
  10   element element { (nameQName | nameClass), (common & pattern+) }
  11   | element attribute { (nameQName | nameClass), (common & pattern?) }
  12   | element group|interleave|choice|optional
  13             |zeroOrMore|oneOrMore|list|mixed { common & pattern+ }
  14   | element ref|parentRef { nameNCName, common }
  15   | element empty|notAllowed|text { common }
  16   | element data { type, param*, (common & exceptPattern?) }
  17   | element value { commonAttributes, type?, xsd:string }
  18   | element externalRef { href, common }
  19   | element grammar { common & grammarContent* }
  20
  21 param = element param { commonAttributes, nameNCName, xsd:string }
  22
  23 exceptPattern = element except { common & pattern+ }
  24
  25 grammarContent =
  26   definition
  27   | element div { common & grammarContent* }
  28   | element include { href, (common & includeContent*) }
  29
  30 includeContent =
  31   definition
  32   | element div { common & includeContent* }
  33
  34 definition =
  35   element start { combine?, (common & pattern+) }
  36   | element define { nameNCName, combine?, (common & pattern+) }
  37
  38 combine = attribute combine { "choice" | "interleave" }
  39
  40 nameClass =
  41   element name { commonAttributes, xsd:QName }
  42   | element anyName { common & exceptNameClass? }
  43   | element nsName { common & exceptNameClass? }
  44   | element choice { common & nameClass+ }
  45
  46 exceptNameClass = element except { common & nameClass+ }
  47
  48 nameQName = attribute name { xsd:QName }
  49 nameNCName = attribute name { xsd:NCName }
  50 href = attribute href { xsd:anyURI }
  51 type = attribute type { xsd:NCName }
  52
  53 common = commonAttributes, foreignElement*
  54
  55 commonAttributes =
  56   attribute ns { xsd:string }?,
  57   attribute datatypeLibrary { xsd:anyURI }?,
  58   foreignAttribute*
  59
  60 foreignElement = element * - rng:* { (anyAttribute | text | anyElement)* }
  61 foreignAttribute = attribute * - (rng:*|local:*) { text }
  62 anyElement = element * { (anyAttribute | text | anyElement)* }
  63 anyAttribute = attribute * { text }