1 | <?xml version="1.0" encoding="UTF-8"?>
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2 | <!--
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3 | This file is part of DocBook V5.0
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4 |
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5 | Copyright 1992-2008 HaL Computer Systems, Inc.,
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6 | O'Reilly & Associates, Inc., ArborText, Inc., Fujitsu Software
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7 | Corporation, Norman Walsh, Sun Microsystems, Inc., and the
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8 | Organization for the Advancement of Structured Information
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9 | Standards (OASIS).
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10 |
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11 | Release: $Id: ebnf.rnc 8931 2010-10-20 13:29:20Z nwalsh $
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12 |
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13 | Permission to use, copy, modify and distribute the DocBook schema
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14 | and its accompanying documentation for any purpose and without fee
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15 | is hereby granted in perpetuity, provided that the above copyright
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16 | notice and this paragraph appear in all copies. The copyright
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17 | holders make no representation about the suitability of the schema
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18 | for any purpose. It is provided "as is" without expressed or implied
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19 | warranty.
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20 |
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21 | If you modify the DocBook schema in any way, label your schema as a
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22 | variant of DocBook. See the reference documentation
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23 | (http://docbook.org/tdg5/en/html/ch05.html#s-notdocbook)
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24 | for more information.
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25 |
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26 | Please direct all questions, bug reports, or suggestions for changes
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27 | to the docbook@lists.oasis-open.org mailing list. For more
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28 | information, see http://www.oasis-open.org/docbook/.
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29 |
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30 | ======================================================================
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31 | -->
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32 | <grammar ns="http://docbook.org/ns/docbook" xmlns:db="http://docbook.org/ns/docbook" xmlns:s="http://purl.oclc.org/dsdl/schematron" xmlns:rng="http://relaxng.org/ns/structure/1.0" xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/" xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
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33 | <start combine="choice">
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34 | <choice>
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35 | <ref name="db.productionset"/>
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36 | <ref name="db.constraintdef"/>
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37 | </choice>
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38 | </start>
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39 | <define name="db.technical.inlines" combine="choice">
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40 | <ref name="db.nonterminal"/>
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41 | </define>
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42 | <define name="db.technical.blocks" combine="choice">
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43 | <choice>
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44 | <ref name="db.productionset"/>
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45 | <ref name="db.constraintdef"/>
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46 | </choice>
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47 | </define>
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48 | <!-- ====================================================================== -->
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49 | <div>
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50 | <db:refname>productionset</db:refname>
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51 | <db:refpurpose>A set of EBNF productions</db:refpurpose>
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52 | <define name="db.productionset.role.attribute">
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53 | <attribute name="role"/>
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54 | </define>
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55 | <define name="db.productionset.attlist">
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56 | <interleave>
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57 | <optional>
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58 | <ref name="db.productionset.role.attribute"/>
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59 | </optional>
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60 | <ref name="db.common.attributes"/>
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61 | <ref name="db.common.linking.attributes"/>
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62 | </interleave>
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63 | </define>
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64 | <define name="db.productionset.info">
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65 | <ref name="db._info.title.only"/>
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66 | </define>
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67 | <define name="db.productionset">
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68 | <element name="productionset">
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69 | <ref name="db.productionset.attlist"/>
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70 | <ref name="db.productionset.info"/>
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71 | <oneOrMore>
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72 | <choice>
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73 | <ref name="db.production"/>
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74 | <ref name="db.productionrecap"/>
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75 | </choice>
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76 | </oneOrMore>
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77 | </element>
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78 | </define>
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79 | </div>
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80 | <!-- ====================================================================== -->
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81 | <div>
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82 | <db:refname>production</db:refname>
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83 | <db:refpurpose>A production in a set of EBNF productions</db:refpurpose>
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84 | <define name="db.production.role.attribute">
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85 | <attribute name="role"/>
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86 | </define>
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87 | <define name="db.production.attlist">
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88 | <interleave>
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89 | <optional>
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90 | <ref name="db.production.role.attribute"/>
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91 | </optional>
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92 | <ref name="db.common.idreq.attributes"/>
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93 | <ref name="db.common.linking.attributes"/>
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94 | </interleave>
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95 | </define>
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96 | <define name="db.production">
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97 | <element name="production">
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98 | <ref name="db.production.attlist"/>
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99 | <ref name="db.lhs"/>
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100 | <ref name="db.rhs"/>
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101 | <zeroOrMore>
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102 | <ref name="db.constraint"/>
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103 | </zeroOrMore>
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104 | </element>
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105 | </define>
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106 | </div>
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107 | <!-- ====================================================================== -->
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108 | <div>
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109 | <db:refname>lhs</db:refname>
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110 | <db:refpurpose>The left-hand side of an EBNF production</db:refpurpose>
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111 | <define name="db.lhs.role.attribute">
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112 | <attribute name="role"/>
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113 | </define>
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114 | <define name="db.lhs.attlist">
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115 | <interleave>
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116 | <optional>
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117 | <ref name="db.lhs.role.attribute"/>
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118 | </optional>
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119 | <ref name="db.common.attributes"/>
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120 | <ref name="db.common.linking.attributes"/>
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121 | </interleave>
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122 | </define>
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123 | <define name="db.lhs">
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124 | <element name="lhs">
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125 | <ref name="db.lhs.attlist"/>
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126 | <text/>
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127 | </element>
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128 | </define>
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129 | </div>
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130 | <!-- ====================================================================== -->
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131 | <div>
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132 | <db:refname>rhs</db:refname>
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133 | <db:refpurpose>The right-hand side of an EBNF production</db:refpurpose>
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134 | <define name="db.rhs.role.attribute">
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135 | <attribute name="role"/>
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136 | </define>
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137 | <define name="db.rhs.attlist">
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138 | <interleave>
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139 | <optional>
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140 | <ref name="db.rhs.role.attribute"/>
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141 | </optional>
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142 | <ref name="db.common.attributes"/>
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143 | <ref name="db.common.linking.attributes"/>
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144 | </interleave>
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145 | </define>
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146 | <define name="db.rhs">
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147 | <element name="rhs">
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148 | <ref name="db.rhs.attlist"/>
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149 | <zeroOrMore>
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150 | <choice>
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151 | <text/>
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152 | <ref name="db.nonterminal"/>
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153 | <ref name="db.lineannotation"/>
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154 | <ref name="db.sbr"/>
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155 | </choice>
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156 | </zeroOrMore>
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157 | </element>
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158 | </define>
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159 | </div>
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160 | <!-- ====================================================================== -->
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161 | <div>
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162 | <db:refname>nonterminal</db:refname>
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163 | <db:refpurpose>A non-terminal in an EBNF production</db:refpurpose>
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164 | <define name="db.nonterminal.role.attribute">
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165 | <attribute name="role"/>
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166 | </define>
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167 | <define name="db.nonterminal.def.attribute">
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168 | <attribute name="def">
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169 | <db:refpurpose>Specifies a URI that points to a <db:tag>production</db:tag>
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170 | where the <db:tag>nonterminal</db:tag>
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171 | is defined</db:refpurpose>
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172 | <data type="anyURI"/>
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173 | </attribute>
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174 | </define>
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175 | <define name="db.nonterminal.attlist">
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176 | <interleave>
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177 | <optional>
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178 | <ref name="db.nonterminal.role.attribute"/>
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179 | </optional>
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180 | <ref name="db.common.attributes"/>
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181 | <ref name="db.common.linking.attributes"/>
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182 | <ref name="db.nonterminal.def.attribute"/>
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183 | </interleave>
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184 | </define>
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185 | <define name="db.nonterminal">
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186 | <element name="nonterminal">
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187 | <ref name="db.nonterminal.attlist"/>
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188 | <text/>
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189 | </element>
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190 | </define>
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191 | </div>
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192 | <!-- ====================================================================== -->
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193 | <div>
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194 | <db:refname>constraint</db:refname>
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195 | <db:refpurpose>A constraint in an EBNF production</db:refpurpose>
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196 | <define name="db.constraint.role.attribute">
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197 | <attribute name="role"/>
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198 | </define>
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199 | <define name="db.constraint.attlist">
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200 | <interleave>
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201 | <optional>
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202 | <ref name="db.constraint.role.attribute"/>
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203 | </optional>
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204 | <ref name="db.common.attributes"/>
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205 | <ref name="db.common.req.linking.attributes"/>
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206 | </interleave>
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207 | </define>
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208 | <define name="db.constraint">
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209 | <element name="constraint">
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210 | <ref name="db.constraint.attlist"/>
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211 | <empty/>
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212 | </element>
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213 | </define>
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214 | </div>
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215 | <!-- ====================================================================== -->
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216 | <div>
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217 | <db:refname>productionrecap</db:refname>
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218 | <db:refpurpose>A cross-reference to an EBNF production</db:refpurpose>
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219 | <define name="db.productionrecap.role.attribute">
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220 | <attribute name="role"/>
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221 | </define>
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222 | <define name="db.productionrecap.attlist">
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223 | <interleave>
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224 | <optional>
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225 | <ref name="db.productionrecap.role.attribute"/>
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226 | </optional>
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227 | <ref name="db.common.attributes"/>
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228 | <ref name="db.common.req.linking.attributes"/>
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229 | </interleave>
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230 | </define>
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231 | <define name="db.productionrecap">
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232 | <element name="productionrecap">
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233 | <ref name="db.productionrecap.attlist"/>
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234 | <empty/>
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235 | </element>
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236 | </define>
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237 | </div>
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238 | <!-- ====================================================================== -->
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239 | <div>
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240 | <db:refname>constraintdef</db:refname>
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241 | <db:refpurpose>The definition of a constraint in an EBNF production</db:refpurpose>
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242 | <define name="db.constraintdef.role.attribute">
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243 | <attribute name="role"/>
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244 | </define>
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245 | <define name="db.constraintdef.attlist">
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246 | <interleave>
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247 | <optional>
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248 | <ref name="db.constraintdef.role.attribute"/>
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249 | </optional>
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250 | <ref name="db.common.attributes"/>
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251 | <ref name="db.common.linking.attributes"/>
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252 | </interleave>
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253 | </define>
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254 | <define name="db.constraintdef.info">
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255 | <ref name="db._info.title.only"/>
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256 | </define>
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257 | <define name="db.constraintdef">
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258 | <element name="constraintdef">
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259 | <ref name="db.constraintdef.attlist"/>
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260 | <ref name="db.constraintdef.info"/>
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261 | <oneOrMore>
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262 | <ref name="db.all.blocks"/>
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263 | </oneOrMore>
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264 | </element>
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265 | </define>
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266 | </div>
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267 | </grammar>
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