etc/schema/relaxng.rnc

   1 # RELAX NG XML syntax expressed in RELAX NG Compact syntax.
   2
   3 # Copyright (C) 2003-2004, 2007-2013 Free Software Foundation, Inc.
   4
   5 # This file is part of GNU Emacs.
   6
   7 # GNU Emacs is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # GNU Emacs is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 default namespace rng = "http://relaxng.org/ns/structure/1.0"
  21 namespace local = ""
  22 datatypes xsd = "http://www.w3.org/2001/XMLSchema-datatypes"
  23
  24 start = pattern
  25
  26 pattern =
  27   element element { (nameQName | nameClass), (common & pattern+) }
  28   | element attribute { (nameQName | nameClass), (common & pattern?) }
  29   | element group|interleave|choice|optional
  30             |zeroOrMore|oneOrMore|list|mixed { common & pattern+ }
  31   | element ref|parentRef { nameNCName, common }
  32   | element empty|notAllowed|text { common }
  33   | element data { type, param*, (common & exceptPattern?) }
  34   | element value { commonAttributes, type?, xsd:string }
  35   | element externalRef { href, common }
  36   | element grammar { common & grammarContent* }
  37
  38 param = element param { commonAttributes, nameNCName, xsd:string }
  39
  40 exceptPattern = element except { common & pattern+ }
  41
  42 grammarContent =
  43   definition
  44   | element div { common & grammarContent* }
  45   | element include { href, (common & includeContent*) }
  46
  47 includeContent =
  48   definition
  49   | element div { common & includeContent* }
  50
  51 definition =
  52   element start { combine?, (common & pattern+) }
  53   | element define { nameNCName, combine?, (common & pattern+) }
  54
  55 combine = attribute combine { "choice" | "interleave" }
  56
  57 nameClass =
  58   element name { commonAttributes, xsd:QName }
  59   | element anyName { common & exceptNameClass? }
  60   | element nsName { common & exceptNameClass? }
  61   | element choice { common & nameClass+ }
  62
  63 exceptNameClass = element except { common & nameClass+ }
  64
  65 nameQName = attribute name { xsd:QName }
  66 nameNCName = attribute name { xsd:NCName }
  67 href = attribute href { xsd:anyURI }
  68 type = attribute type { xsd:NCName }
  69
  70 common = commonAttributes, foreignElement*
  71
  72 commonAttributes =
  73   attribute ns { xsd:string }?,
  74   attribute datatypeLibrary { xsd:anyURI }?,
  75   foreignAttribute*
  76
  77 foreignElement = element * - rng:* { (anyAttribute | text | anyElement)* }
  78 foreignAttribute = attribute * - (rng:*|local:*) { text }
  79 anyElement = element * { (anyAttribute | text | anyElement)* }
  80 anyAttribute = attribute * { text }