diff options
Diffstat (limited to 'libxcb/xcb-proto/src/xcb.xsd')
| -rw-r--r-- | libxcb/xcb-proto/src/xcb.xsd | 627 |
1 files changed, 314 insertions, 313 deletions
diff --git a/libxcb/xcb-proto/src/xcb.xsd b/libxcb/xcb-proto/src/xcb.xsd index 5169b4809..89e27846f 100644 --- a/libxcb/xcb-proto/src/xcb.xsd +++ b/libxcb/xcb-proto/src/xcb.xsd @@ -1,313 +1,314 @@ -<?xml version="1.0" encoding="utf-8"?> -<!-- -Copyright (C) 2004 Josh Triplett. All Rights Reserved. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN -ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the names of the authors or their -institutions shall not be used in advertising or otherwise to promote the -sale, use or other dealings in this Software without prior written -authorization from the authors. ---> -<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> - - <!-- The root element --> - <xsd:element name="xcb"> - <xsd:complexType> - <xsd:group ref="macro" minOccurs="0" maxOccurs="unbounded" /> - <xsd:attribute name="header" type="xsd:string" use="required" /> - <xsd:attribute name="extension-xname" type="xsd:string" use="optional" /> - <xsd:attribute name="extension-name" type="xsd:string" use="optional" /> - <xsd:attribute name="extension-multiword" type="xsd:boolean" use="optional" default="false" /> - <xsd:attribute name="major-version" type="xsd:integer" use="optional" /> - <xsd:attribute name="minor-version" type="xsd:integer" use="optional" /> - </xsd:complexType> - </xsd:element> - - <!-- Padding --> - <xsd:element name="pad"> - <xsd:complexType> - <xsd:attribute name="bytes" type="xsd:integer" use="required" /> - </xsd:complexType> - </xsd:element> - - <!-- Type for fields or parameters with attributes "name" and "type" --> - <xsd:complexType name="var"> - <xsd:attribute name="name" type="xsd:string" use="required" /> - <xsd:attribute name="type" type="xsd:string" use="required" /> - <xsd:attribute name="enum" type="xsd:string" use="optional" /> - <xsd:attribute name="altenum" type="xsd:string" use="optional" /> - <xsd:attribute name="mask" type="xsd:string" use="optional" /> - </xsd:complexType> - - <!-- case expression --> - <xsd:complexType name="caseexpr"> - <xsd:sequence> - <!-- case expression: --> - <xsd:group ref="expression" minOccurs="1" maxOccurs="1" /> - <!-- match --> - <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" /> - <xsd:choice> - <xsd:element ref="switch" minOccurs="0" maxOccurs="unbounded" /> - </xsd:choice> - </xsd:sequence> - </xsd:complexType> - - <!-- switch expression --> - <xsd:complexType name="switchexpr"> - <xsd:sequence> - <!-- switch(expression) --> - <xsd:group ref="expression" minOccurs="1" maxOccurs="1" /> - <xsd:choice> - <!-- bitcase expression - bit test --> - <xsd:element name="bitcase" type="caseexpr" minOccurs="1" maxOccurs="unbounded" /> - </xsd:choice> - <!-- default: --> - <xsd:group ref="fields" minOccurs="0" maxOccurs="1" /> - </xsd:sequence> - <xsd:attribute name="name" type="xsd:string" use="required" /> - </xsd:complexType> - - <xsd:element name="switch" type="switchexpr" /> - - <!-- field replaces FIELD, PARAM, and REPLY. --> - <xsd:element name="field" type="var" /> - - <!-- list replaces ARRAYFIELD, LISTPARAM, and ARRAYREPLY. The name and type - are specified as attributes. The content is an expression giving the - length. --> - <xsd:element name="list"> - <xsd:complexType> - <xsd:complexContent> - <xsd:extension base="var"> - <xsd:group ref="expression" minOccurs="0" maxOccurs="1" /> - </xsd:extension> - </xsd:complexContent> - </xsd:complexType> - </xsd:element> - - <!-- Expressions --> - <xsd:group name="expression"> - <xsd:choice> - <xsd:element name="op"> - <xsd:complexType> - <xsd:sequence> - <xsd:group ref="expression" /> - <xsd:group ref="expression" /> - </xsd:sequence> - <xsd:attribute name="op" use="required"> - <xsd:simpleType> - <xsd:restriction base="xsd:string"> - <xsd:pattern value="\+|-|\*|/|&|<<" /> - </xsd:restriction> - </xsd:simpleType> - </xsd:attribute> - </xsd:complexType> - </xsd:element> - <xsd:element name="unop"> - <xsd:complexType> - <xsd:sequence> - <xsd:group ref="expression" /> - </xsd:sequence> - <xsd:attribute name="op" use="required"> - <xsd:simpleType> - <xsd:restriction base="xsd:string"> - <xsd:pattern value="~" /> - </xsd:restriction> - </xsd:simpleType> - </xsd:attribute> - </xsd:complexType> - </xsd:element> - <xsd:element name="fieldref" type="xsd:string" /> - <xsd:element name="enumref"> - <xsd:complexType> - <xsd:simpleContent> - <xsd:extension base="xsd:string"> - <xsd:attribute name="ref" use="required" type="xsd:string" /> - </xsd:extension> - </xsd:simpleContent> - </xsd:complexType> - </xsd:element> - <xsd:element name="popcount"> - <xsd:complexType> - <xsd:group ref="expression" /> - </xsd:complexType> - </xsd:element> - <xsd:element name="sumof"> - <xsd:complexType> - <xsd:attribute name="ref" use="required" type="xsd:string" /> - </xsd:complexType> - </xsd:element> - <xsd:element name="value" type="dec-or-hex-integer" /> - <xsd:element name="bit" type="xsd:integer" /> - </xsd:choice> - </xsd:group> - - <!-- Fields in requests that are calculated from other information, not - supplied by the caller. --> - <xsd:element name="exprfield" > - <xsd:complexType> - <xsd:complexContent> - <xsd:extension base="var"> - <xsd:group ref="expression" /> - </xsd:extension> - </xsd:complexContent> - </xsd:complexType> - </xsd:element> - - <!-- BITMASK/LISTofVALUE parameter pairs. --> - <xsd:element name="valueparam"> - <xsd:complexType> - <xsd:attribute name="value-mask-type" type="xsd:string" use="required" /> - <xsd:attribute name="value-mask-name" type="xsd:string" use="required" /> - <xsd:attribute name="value-list-name" type="xsd:string" use="required" /> - </xsd:complexType> - </xsd:element> - - <xsd:group name="fields"> - <xsd:choice> - <xsd:element ref="pad" /> - <xsd:element ref="field" /> - <xsd:element ref="list" /> - </xsd:choice> - </xsd:group> - - <!-- Type for a structure --> - <xsd:complexType name="struct"> - <xsd:sequence> - <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" /> - <xsd:choice minOccurs="0" maxOccurs="1"> - <xsd:element ref="switch" /> - </xsd:choice> - </xsd:sequence> - <xsd:attribute name="name" type="xsd:string" use="required" /> - </xsd:complexType> - - <!-- Type for a packet structure --> - <xsd:complexType name="packet-struct"> - <xsd:group ref="fields" minOccurs="0" maxOccurs="unbounded" /> - <xsd:attribute name="name" type="xsd:string" use="required" /> - <xsd:attribute name="number" type="xsd:integer" use="required" /> - </xsd:complexType> - - <!-- Type for a packet structure copy --> - <xsd:complexType name="packet-struct-copy"> - <xsd:attribute name="name" type="xsd:string" use="required" /> - <xsd:attribute name="number" type="xsd:integer" use="required" /> - <xsd:attribute name="ref" type="xsd:string" use="required" /> - </xsd:complexType> - - <!-- Type for hex integers --> - <xsd:simpleType name="hex-integer"> - <xsd:restriction base="xsd:string"> - <xsd:pattern value="0x[0-9a-fA-F]+" /> - </xsd:restriction> - </xsd:simpleType> - - <!-- Type for integers in either decimal or hex --> - <xsd:simpleType name="dec-or-hex-integer"> - <xsd:union memberTypes="xsd:integer hex-integer" /> - </xsd:simpleType> - - <xsd:group name="macro"> - <xsd:choice> - <xsd:element name="request"> - <xsd:complexType> - <xsd:sequence> - <xsd:choice minOccurs="0" maxOccurs="unbounded"> - <xsd:group ref="fields" /> - <xsd:element ref="exprfield" /> - <xsd:element ref="valueparam" /> - </xsd:choice> - <xsd:choice minOccurs="0" maxOccurs="1"> - <xsd:element ref="switch" /> - </xsd:choice> - <xsd:element name="reply" minOccurs="0" maxOccurs="1"> - <xsd:complexType> - <xsd:sequence> - <xsd:choice minOccurs="1" maxOccurs="unbounded"> - <xsd:group ref="fields" /> - <xsd:element ref="valueparam" /> - </xsd:choice> - <xsd:choice minOccurs="0" maxOccurs="1"> - <xsd:element ref="switch" /> - </xsd:choice> - </xsd:sequence> - </xsd:complexType> - </xsd:element> - </xsd:sequence> - <xsd:attribute name="name" type="xsd:string" use="required" /> - <xsd:attribute name="opcode" type="xsd:integer" use="required" /> - <xsd:attribute name="combine-adjacent" type="xsd:boolean" - use="optional"/> - </xsd:complexType> - </xsd:element> - <xsd:element name="event"> - <xsd:complexType> - <xsd:complexContent> - <xsd:extension base="packet-struct"> - <xsd:attribute name="no-sequence-number" type="xsd:boolean" - use="optional" /> - </xsd:extension> - </xsd:complexContent> - </xsd:complexType> - </xsd:element> - <xsd:element name="eventcopy" type="packet-struct-copy" /> - <xsd:element name="error" type="packet-struct" /> - <xsd:element name="errorcopy" type="packet-struct-copy" /> - <xsd:element name="struct" type="struct" /> - <xsd:element name="union" type="struct" /> - <xsd:element name="xidtype"> - <xsd:complexType> - <xsd:attribute name="name" type="xsd:string" use="required" /> - </xsd:complexType> - </xsd:element> - <xsd:element name="xidunion"> - <xsd:complexType> - <xsd:sequence> - <xsd:element name="type" type="xsd:string" - minOccurs="1" maxOccurs="unbounded" /> - </xsd:sequence> - <xsd:attribute name="name" type="xsd:string" use="required" /> - </xsd:complexType> - </xsd:element> - <xsd:element name="enum"> - <xsd:complexType> - <xsd:sequence minOccurs="1" maxOccurs="unbounded"> - <xsd:element name="item"> - <xsd:complexType> - <xsd:group ref="expression" minOccurs="0" maxOccurs="1" /> - <xsd:attribute name="name" type="xsd:string" use="required" /> - </xsd:complexType> - </xsd:element> - </xsd:sequence> - <xsd:attribute name="name" type="xsd:string" use="required" /> - </xsd:complexType> - </xsd:element> - <xsd:element name="typedef"> - <xsd:complexType> - <xsd:attribute name="oldname" type="xsd:string" use="required" /> - <xsd:attribute name="newname" type="xsd:string" use="required" /> - </xsd:complexType> - </xsd:element> - <!-- The import element allows a protocol description to reference the - declarations of another protocol description. --> - <xsd:element name="import" type="xsd:string" /> - </xsd:choice> - </xsd:group> -</xsd:schema> +<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright (C) 2004 Josh Triplett. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the names of the authors or their
+institutions shall not be used in advertising or otherwise to promote the
+sale, use or other dealings in this Software without prior written
+authorization from the authors.
+-->
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+ <!-- The root element -->
+ <xsd:element name="xcb">
+ <xsd:complexType>
+ <xsd:group ref="macro" minOccurs="0" maxOccurs="unbounded" />
+ <xsd:attribute name="header" type="xsd:string" use="required" />
+ <xsd:attribute name="extension-xname" type="xsd:string" use="optional" />
+ <xsd:attribute name="extension-name" type="xsd:string" use="optional" />
+ <xsd:attribute name="extension-multiword" type="xsd:boolean" use="optional" default="false" />
+ <xsd:attribute name="major-version" type="xsd:integer" use="optional" />
+ <xsd:attribute name="minor-version" type="xsd:integer" use="optional" />
+ </xsd:complexType>
+ </xsd:element>
+
+ <!-- Padding -->
+ <xsd:element name="pad">
+ <xsd:complexType>
+ <xsd:attribute name="bytes" type="xsd:integer" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+
+ <!-- Type for fields or parameters with attributes "name" and "type" -->
+ <xsd:complexType name="var">
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ <xsd:attribute name="type" type="xsd:string" use="required" />
+ <xsd:attribute name="enum" type="xsd:string" use="optional" />
+ <xsd:attribute name="altenum" type="xsd:string" use="optional" />
+ <xsd:attribute name="mask" type="xsd:string" use="optional" />
+ </xsd:complexType>
+
+ <!-- case expression -->
+ <xsd:complexType name="caseexpr">
+ <xsd:sequence>
+ <!-- case expression: -->
+ <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
+ <!-- match -->
+ <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
+ <xsd:choice>
+ <xsd:element ref="switch" minOccurs="0" maxOccurs="unbounded" />
+ </xsd:choice>
+ </xsd:sequence>
+ <xsd:attribute name="name" type="xsd:string" use="optional" />
+ </xsd:complexType>
+
+ <!-- switch expression -->
+ <xsd:complexType name="switchexpr">
+ <xsd:sequence>
+ <!-- switch(expression) -->
+ <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
+ <xsd:choice>
+ <!-- bitcase expression - bit test -->
+ <xsd:element name="bitcase" type="caseexpr" minOccurs="1" maxOccurs="unbounded" />
+ </xsd:choice>
+ <!-- default: -->
+ <xsd:group ref="fields" minOccurs="0" maxOccurs="1" />
+ </xsd:sequence>
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ </xsd:complexType>
+
+ <xsd:element name="switch" type="switchexpr" />
+
+ <!-- field replaces FIELD, PARAM, and REPLY. -->
+ <xsd:element name="field" type="var" />
+
+ <!-- list replaces ARRAYFIELD, LISTPARAM, and ARRAYREPLY. The name and type
+ are specified as attributes. The content is an expression giving the
+ length. -->
+ <xsd:element name="list">
+ <xsd:complexType>
+ <xsd:complexContent>
+ <xsd:extension base="var">
+ <xsd:group ref="expression" minOccurs="0" maxOccurs="1" />
+ </xsd:extension>
+ </xsd:complexContent>
+ </xsd:complexType>
+ </xsd:element>
+
+ <!-- Expressions -->
+ <xsd:group name="expression">
+ <xsd:choice>
+ <xsd:element name="op">
+ <xsd:complexType>
+ <xsd:sequence>
+ <xsd:group ref="expression" />
+ <xsd:group ref="expression" />
+ </xsd:sequence>
+ <xsd:attribute name="op" use="required">
+ <xsd:simpleType>
+ <xsd:restriction base="xsd:string">
+ <xsd:pattern value="\+|-|\*|/|&|<<" />
+ </xsd:restriction>
+ </xsd:simpleType>
+ </xsd:attribute>
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="unop">
+ <xsd:complexType>
+ <xsd:sequence>
+ <xsd:group ref="expression" />
+ </xsd:sequence>
+ <xsd:attribute name="op" use="required">
+ <xsd:simpleType>
+ <xsd:restriction base="xsd:string">
+ <xsd:pattern value="~" />
+ </xsd:restriction>
+ </xsd:simpleType>
+ </xsd:attribute>
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="fieldref" type="xsd:string" />
+ <xsd:element name="enumref">
+ <xsd:complexType>
+ <xsd:simpleContent>
+ <xsd:extension base="xsd:string">
+ <xsd:attribute name="ref" use="required" type="xsd:string" />
+ </xsd:extension>
+ </xsd:simpleContent>
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="popcount">
+ <xsd:complexType>
+ <xsd:group ref="expression" />
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="sumof">
+ <xsd:complexType>
+ <xsd:attribute name="ref" use="required" type="xsd:string" />
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="value" type="dec-or-hex-integer" />
+ <xsd:element name="bit" type="xsd:integer" />
+ </xsd:choice>
+ </xsd:group>
+
+ <!-- Fields in requests that are calculated from other information, not
+ supplied by the caller. -->
+ <xsd:element name="exprfield" >
+ <xsd:complexType>
+ <xsd:complexContent>
+ <xsd:extension base="var">
+ <xsd:group ref="expression" />
+ </xsd:extension>
+ </xsd:complexContent>
+ </xsd:complexType>
+ </xsd:element>
+
+ <!-- BITMASK/LISTofVALUE parameter pairs. -->
+ <xsd:element name="valueparam">
+ <xsd:complexType>
+ <xsd:attribute name="value-mask-type" type="xsd:string" use="required" />
+ <xsd:attribute name="value-mask-name" type="xsd:string" use="required" />
+ <xsd:attribute name="value-list-name" type="xsd:string" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+
+ <xsd:group name="fields">
+ <xsd:choice>
+ <xsd:element ref="pad" />
+ <xsd:element ref="field" />
+ <xsd:element ref="list" />
+ </xsd:choice>
+ </xsd:group>
+
+ <!-- Type for a structure -->
+ <xsd:complexType name="struct">
+ <xsd:sequence>
+ <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
+ <xsd:choice minOccurs="0" maxOccurs="1">
+ <xsd:element ref="switch" />
+ </xsd:choice>
+ </xsd:sequence>
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ </xsd:complexType>
+
+ <!-- Type for a packet structure -->
+ <xsd:complexType name="packet-struct">
+ <xsd:group ref="fields" minOccurs="0" maxOccurs="unbounded" />
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ <xsd:attribute name="number" type="xsd:integer" use="required" />
+ </xsd:complexType>
+
+ <!-- Type for a packet structure copy -->
+ <xsd:complexType name="packet-struct-copy">
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ <xsd:attribute name="number" type="xsd:integer" use="required" />
+ <xsd:attribute name="ref" type="xsd:string" use="required" />
+ </xsd:complexType>
+
+ <!-- Type for hex integers -->
+ <xsd:simpleType name="hex-integer">
+ <xsd:restriction base="xsd:string">
+ <xsd:pattern value="0x[0-9a-fA-F]+" />
+ </xsd:restriction>
+ </xsd:simpleType>
+
+ <!-- Type for integers in either decimal or hex -->
+ <xsd:simpleType name="dec-or-hex-integer">
+ <xsd:union memberTypes="xsd:integer hex-integer" />
+ </xsd:simpleType>
+
+ <xsd:group name="macro">
+ <xsd:choice>
+ <xsd:element name="request">
+ <xsd:complexType>
+ <xsd:sequence>
+ <xsd:choice minOccurs="0" maxOccurs="unbounded">
+ <xsd:group ref="fields" />
+ <xsd:element ref="exprfield" />
+ <xsd:element ref="valueparam" />
+ </xsd:choice>
+ <xsd:choice minOccurs="0" maxOccurs="1">
+ <xsd:element ref="switch" />
+ </xsd:choice>
+ <xsd:element name="reply" minOccurs="0" maxOccurs="1">
+ <xsd:complexType>
+ <xsd:sequence>
+ <xsd:choice minOccurs="1" maxOccurs="unbounded">
+ <xsd:group ref="fields" />
+ <xsd:element ref="valueparam" />
+ </xsd:choice>
+ <xsd:choice minOccurs="0" maxOccurs="1">
+ <xsd:element ref="switch" />
+ </xsd:choice>
+ </xsd:sequence>
+ </xsd:complexType>
+ </xsd:element>
+ </xsd:sequence>
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ <xsd:attribute name="opcode" type="xsd:integer" use="required" />
+ <xsd:attribute name="combine-adjacent" type="xsd:boolean"
+ use="optional"/>
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="event">
+ <xsd:complexType>
+ <xsd:complexContent>
+ <xsd:extension base="packet-struct">
+ <xsd:attribute name="no-sequence-number" type="xsd:boolean"
+ use="optional" />
+ </xsd:extension>
+ </xsd:complexContent>
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="eventcopy" type="packet-struct-copy" />
+ <xsd:element name="error" type="packet-struct" />
+ <xsd:element name="errorcopy" type="packet-struct-copy" />
+ <xsd:element name="struct" type="struct" />
+ <xsd:element name="union" type="struct" />
+ <xsd:element name="xidtype">
+ <xsd:complexType>
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="xidunion">
+ <xsd:complexType>
+ <xsd:sequence>
+ <xsd:element name="type" type="xsd:string"
+ minOccurs="1" maxOccurs="unbounded" />
+ </xsd:sequence>
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="enum">
+ <xsd:complexType>
+ <xsd:sequence minOccurs="1" maxOccurs="unbounded">
+ <xsd:element name="item">
+ <xsd:complexType>
+ <xsd:group ref="expression" minOccurs="0" maxOccurs="1" />
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+ </xsd:sequence>
+ <xsd:attribute name="name" type="xsd:string" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+ <xsd:element name="typedef">
+ <xsd:complexType>
+ <xsd:attribute name="oldname" type="xsd:string" use="required" />
+ <xsd:attribute name="newname" type="xsd:string" use="required" />
+ </xsd:complexType>
+ </xsd:element>
+ <!-- The import element allows a protocol description to reference the
+ declarations of another protocol description. -->
+ <xsd:element name="import" type="xsd:string" />
+ </xsd:choice>
+ </xsd:group>
+</xsd:schema>
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