src/main/rng/xspf-1_0.7.rng

   1 <?xml version="1.0" encoding="UTF-8"?>
   2
   3 <!-- ==================================================================
   4      Relax NG Schema for XSPF Version 1
   5
   6      $Id$
   7
   8      This schema was written as a service for developers who want
   9      to validate the playlists generated by their applications.
  10      Nobody claims it is perfect, so if you find bugs please report
  11      them. In any case, the spec overrides this schema.
  12
  13      Further information about XSPF is available at http://www.xml.org
  14
  15
  16      Copyright (c) 2005 Matthias Friedrich <matt@mafr.de>
  17      Copyright (c) 2007-2008 Sebastian Pipping <webmaster@hartwork.org>
  18
  19      The schema is released under the Creative Commons
  20      Attribution-ShareAlike 2.5 license.
  21
  22      http://creativecommons.org/licenses/by-sa/2.5/
  23
  24
  25      ChangeLog:
  26       * 2008-09-03: Allow xml:base attribute everywhere
  27                     Extract common elements
  28                     Sebastian Pipping <webmaster@hartwork.org>
  29
  30       * 2008-07-26: Support for xml:base attribute
  31                     Sebastian Pipping <webmaster@hartwork.org>
  32
  33       * 2007-02-16: Trang-friendly transformation of def_anything
  34                     Sebastian Pipping <webmaster@hartwork.org>
  35
  36       * 2007-02-16: Interleave wrap for track and playlist
  37                     to allow arbitrary element order
  38                     Sebastian Pipping <webmaster@hartwork.org>
  39
  40       * 2007-01-07: The info element's content has been changed from
  41                     type "text" to "anyURI", as per spec.
  42                     Matthias Friedrich <matt@mafr.de>
  43
  44       * 2006-09-25: Fixed an error: the "attribution" element now allows
  45                     "identifier" child element elements, too.
  46                     Matthias Friedrich <matt@mafr.de>
  47      ================================================================== -->
  48
  49
  50 <grammar xmlns="http://relaxng.org/ns/structure/1.0"
  51          datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"
  52          ns="http://xspf.org/ns/0/">
  53
  54
  55     <start>
  56         <ref name="def_playlist-element"/>
  57     </start>
  58
  59
  60     <define name="xml_base-attribute">
  61         <optional>
  62             <attribute name="xml:base">
  63                 <data type="anyURI"/>
  64             </attribute>
  65         </optional>
  66     </define>
  67
  68
  69     <define name="def_title-element">
  70         <element name="title">
  71             <ref name="xml_base-attribute"/>
  72             <text/>
  73         </element>
  74     </define>
  75
  76
  77     <define name="def_creator-element">
  78         <element name="creator">
  79             <ref name="xml_base-attribute"/>
  80             <text/>
  81         </element>
  82     </define>
  83
  84
  85     <define name="def_annotation-element">
  86         <element name="annotation">
  87             <ref name="xml_base-attribute"/>
  88             <text/>
  89         </element>
  90     </define>
  91
  92
  93     <define name="def_info-element">
  94         <element name="info">
  95             <ref name="xml_base-attribute"/>
  96             <data type="anyURI"/>
  97         </element>
  98     </define>
  99
 100
 101     <define name="def_location-element">
 102         <element name="location">
 103             <ref name="xml_base-attribute"/>
 104             <data type="anyURI"/>
 105         </element>
 106     </define>
 107
 108
 109     <define name="def_identifier-element">
 110         <element name="identifier">
 111             <ref name="xml_base-attribute"/>
 112             <data type="anyURI"/>
 113         </element>
 114     </define>
 115
 116
 117     <define name="def_image-element">
 118         <element name="image">
 119             <ref name="xml_base-attribute"/>
 120             <data type="anyURI"/>
 121         </element>
 122     </define>
 123
 124
 125     <define name="def_link-element">
 126         <element name="link">
 127             <attribute name="rel">
 128                 <data type="anyURI"/>
 129             </attribute>
 130             <ref name="xml_base-attribute"/>
 131
 132             <data type="anyURI"/>
 133         </element>
 134     </define>
 135
 136
 137     <define name="def_meta-element">
 138         <element name="meta">
 139             <attribute name="rel">
 140                 <data type="anyURI"/>
 141             </attribute>
 142             <ref name="xml_base-attribute"/>
 143
 144             <text />
 145         </element>
 146     </define>
 147
 148
 149     <define name="def_extension-element">
 150         <element name="extension">
 151             <attribute name="application">
 152                 <data type="anyURI"/>
 153             </attribute>
 154             <ref name="xml_base-attribute"/>
 155
 156             <zeroOrMore>
 157                 <choice>
 158                     <element>
 159                         <anyName/>
 160                         <ref name="def_anything"/>
 161                     </element>
 162                     <text/>
 163                 </choice>
 164             </zeroOrMore>
 165         </element>
 166     </define>
 167
 168
 169     <define name="def_playlist-element">
 170         <element name="playlist">
 171             <attribute name="version">
 172                 <data type="string">
 173                     <param name="pattern">1</param>
 174                 </data>
 175             </attribute>
 176             <ref name="xml_base-attribute"/>
 177
 178             <interleave>
 179                 <optional>
 180                     <ref name="def_title-element"/>
 181                 </optional>
 182                 <optional>
 183                     <ref name="def_creator-element"/>
 184                 </optional>
 185                 <optional>
 186                     <ref name="def_annotation-element"/>
 187                 </optional>
 188                 <optional>
 189                     <ref name="def_info-element"/>
 190                 </optional>
 191                 <optional>
 192                     <ref name="def_location-element"/>
 193                 </optional>
 194                 <optional>
 195                     <ref name="def_identifier-element"/>
 196                 </optional>
 197                 <optional>
 198                     <ref name="def_image-element"/>
 199                 </optional>
 200                 <optional>
 201                     <element name="date">
 202                         <ref name="xml_base-attribute"/>
 203                         <data type="dateTime"/>
 204                     </element>
 205                 </optional>
 206                 <optional>
 207                     <element name="license">
 208                         <ref name="xml_base-attribute"/>
 209                         <data type="anyURI"/>
 210                     </element>
 211                 </optional>
 212
 213                 <optional>
 214                     <ref name="def_attribution-element"/>
 215                 </optional>
 216
 217                 <zeroOrMore>
 218                     <ref name="def_link-element"/>
 219                 </zeroOrMore>
 220                 <zeroOrMore>
 221                     <ref name="def_meta-element"/>
 222                 </zeroOrMore>
 223                 <zeroOrMore>
 224                     <ref name="def_extension-element"/>
 225                 </zeroOrMore>
 226
 227                 <element name="trackList">
 228                     <ref name="xml_base-attribute"/>
 229                     <zeroOrMore>
 230                         <ref name="def_track-element"/>
 231                     </zeroOrMore>
 232                 </element>
 233             </interleave>
 234         </element>
 235     </define>
 236
 237
 238     <define name="def_attribution-element">
 239         <element name="attribution">
 240             <ref name="xml_base-attribute"/>
 241
 242             <zeroOrMore>
 243                 <choice>
 244                     <ref name="def_identifier-element"/>
 245                     <ref name="def_location-element"/>
 246                 </choice>
 247             </zeroOrMore>
 248         </element>
 249     </define>
 250
 251
 252     <define name="def_anything">
 253         <interleave>
 254             <zeroOrMore>
 255                 <element>
 256                     <anyName/>
 257                     <ref name="def_anything"/>
 258                 </element>
 259             </zeroOrMore>
 260
 261             <zeroOrMore>
 262                 <attribute>
 263                     <anyName/>
 264                 </attribute>
 265             </zeroOrMore>
 266
 267             <zeroOrMore>
 268                 <text/>
 269             </zeroOrMore>
 270         </interleave>
 271     </define>
 272
 273
 274     <define name="def_track-element">
 275         <element name="track">
 276             <ref name="xml_base-attribute"/>
 277
 278             <interleave>
 279                 <zeroOrMore>
 280                     <ref name="def_location-element"/>
 281                 </zeroOrMore>
 282                 <zeroOrMore>
 283                     <ref name="def_identifier-element"/>
 284                 </zeroOrMore>
 285
 286                 <optional>
 287                     <ref name="def_title-element"/>
 288                 </optional>
 289                 <optional>
 290                     <ref name="def_creator-element"/>
 291                 </optional>
 292                 <optional>
 293                     <ref name="def_annotation-element"/>
 294                 </optional>
 295                 <optional>
 296                     <ref name="def_info-element"/>
 297                 </optional>
 298                 <optional>
 299                     <ref name="def_image-element"/>
 300                 </optional>
 301                 <optional>
 302                     <element name="album">
 303                         <ref name="xml_base-attribute"/>
 304                         <text/>
 305                     </element>
 306                 </optional>
 307                 <optional>
 308                     <element name="trackNum">
 309                         <ref name="xml_base-attribute"/>
 310                         <data type="nonNegativeInteger"/>
 311                     </element>
 312                 </optional>
 313                 <optional>
 314                     <element name="duration">
 315                         <ref name="xml_base-attribute"/>
 316                         <data type="nonNegativeInteger"/>
 317                     </element>
 318                 </optional>
 319
 320                 <zeroOrMore>
 321                     <ref name="def_link-element"/>
 322                 </zeroOrMore>
 323                 <zeroOrMore>
 324                     <ref name="def_meta-element"/>
 325                 </zeroOrMore>
 326                 <zeroOrMore>
 327                     <ref name="def_extension-element"/>
 328                 </zeroOrMore>
 329             </interleave>
 330         </element>
 331     </define>
 332
 333 </grammar>