libxcb git update

1 files changed, 1551 insertions, 0 deletions

diff --git a/libxcb/src/c-client.xsl b/libxcb/src/c-client.xsl
new file mode 100644
index 000000000..a15d824a1
--- /dev/null
+++ b/libxcb/src/c-client.xsl
@@ -0,0 +1,1551 @@
+<?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.
+-->
+<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+               version="1.0"
+               xmlns:e="http://exslt.org/common"
+               xmlns:func="http://exslt.org/functions"
+               xmlns:str="http://exslt.org/strings"
+               xmlns:xcb="http://xcb.freedesktop.org"
+               extension-element-prefixes="func str xcb">
+  
+  <xsl:output method="text" />
+
+  <xsl:strip-space elements="*" />
+
+  <!-- "header" or "source" -->
+  <xsl:param name="mode" />
+
+  <!-- Path to the core protocol descriptions. -->
+  <xsl:param name="base-path" />
+
+  <!-- Path to the extension protocol descriptions. -->
+  <xsl:param name="extension-path" select="$base-path" />
+
+  <xsl:variable name="h" select="$mode = 'header'" />
+  <xsl:variable name="c" select="$mode = 'source'" />
+
+  <xsl:variable name="need-string-h" select="//request/pad[@bytes != 1]" />
+  
+  <!-- String used to indent lines of code. -->
+  <xsl:variable name="indent-string" select="'    '" />
+
+  <xsl:variable name="ucase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" />
+  <xsl:variable name="lcase" select="'abcdefghijklmnopqrstuvwxyz'" />
+  <xsl:variable name="letters" select="concat($ucase, $lcase)" />
+  <xsl:variable name="digits" select="'0123456789'" />
+
+  <xsl:variable name="header" select="/xcb/@header" />
+  <xsl:variable name="ucase-header"
+                select="translate($header,$lcase,$ucase)" />
+
+  <xsl:variable name="ext" select="/xcb/@extension-name" />
+
+  <!-- Other protocol descriptions to search for types in, after checking the
+       current protocol description. -->
+  <xsl:variable name="search-path-rtf">
+    <xsl:for-each select="/xcb/import">
+      <path><xsl:value-of select="concat($extension-path, ., '.xml')" /></path>
+    </xsl:for-each>
+  </xsl:variable>
+  <xsl:variable name="search-path" select="e:node-set($search-path-rtf)/path"/>
+
+  <xsl:variable name="root" select="/" />
+  
+  <!-- First pass: Store everything in a variable. -->
+  <xsl:variable name="pass1-rtf">
+    <xsl:apply-templates select="/" mode="pass1" />
+  </xsl:variable>
+  <xsl:variable name="pass1" select="e:node-set($pass1-rtf)" />
+  
+  <xsl:template match="xcb" mode="pass1">
+    <xcb>
+      <xsl:copy-of select="@*" />
+      <xsl:if test="$ext">
+        <constant type="xcb_extension_t" name="{xcb:xcb-prefix()}_id">
+          <xsl:attribute name="value">{ "<xsl:value-of select="@extension-xname" />" }</xsl:attribute>
+        </constant>
+      </xsl:if>
+      <xsl:apply-templates mode="pass1" />
+    </xcb>
+  </xsl:template>
+
+  <func:function name="xcb:xcb-prefix">
+    <xsl:param name="name" />
+    <func:result>
+      <xsl:text>xcb</xsl:text>
+      <xsl:if test="/xcb/@extension-name">
+	<xsl:text>_</xsl:text>
+	<xsl:choose>
+	  <xsl:when test="/xcb/@extension-multiword = 'true' or /xcb/@extension-multiword = '1'">
+	    <xsl:call-template name="camelcase-to-underscore">
+	      <xsl:with-param name="camelcase" select="/xcb/@extension-name" />
+	    </xsl:call-template>
+	  </xsl:when>
+	  <xsl:otherwise>
+	    <xsl:value-of select="translate(/xcb/@extension-name, $ucase, $lcase)"/>
+	  </xsl:otherwise>
+	</xsl:choose>
+      </xsl:if>
+      <xsl:if test="$name">
+        <xsl:text>_</xsl:text>
+        <xsl:call-template name="camelcase-to-underscore">
+          <xsl:with-param name="camelcase" select="$name" />
+        </xsl:call-template>
+      </xsl:if>
+    </func:result>
+  </func:function>
+
+  <func:function name="xcb:lowercase">
+    <xsl:param name="name" />
+    <func:result>
+      <xsl:call-template name="camelcase-to-underscore">
+        <xsl:with-param name="camelcase" select="$name" />
+      </xsl:call-template>
+    </func:result>
+  </func:function>
+
+  <func:function name="xcb:get-char-void">
+    <xsl:param name="name" />
+    <xsl:variable name="ctype" select="substring-before($name, '_t')" />
+    <func:result>
+      <xsl:choose>
+        <xsl:when test="$ctype = 'char' or $ctype = 'void' or $ctype = 'float' or $ctype = 'double'">
+          <xsl:value-of select="$ctype" />    
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="$name" />
+        </xsl:otherwise>
+      </xsl:choose>
+    </func:result>
+  </func:function>
+
+  <func:function name="xcb:remove-void">
+    <xsl:param name="name" />
+    <xsl:variable name="ctype" select="substring-before($name, '_t')" />
+    <func:result>
+      <xsl:choose>
+        <xsl:when test="$ctype = 'char' or $ctype = 'void' or $ctype = 'float' or $ctype = 'double'">
+          <xsl:choose>
+            <xsl:when test="$ctype = 'void'">
+              <xsl:text>char</xsl:text>
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:value-of select="$ctype" />
+            </xsl:otherwise>
+          </xsl:choose>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="$name" />
+        </xsl:otherwise>
+      </xsl:choose>
+    </func:result>
+  </func:function>
+
+  <!-- split camel case into words and insert underscore -->
+  <xsl:template name="camelcase-to-underscore">
+    <xsl:param name="camelcase"/>
+    <xsl:choose>
+      <xsl:when test="$camelcase='CHAR2B' or $camelcase='INT64'
+                      or $camelcase='FLOAT32' or $camelcase='FLOAT64'
+                      or $camelcase='BOOL32' or $camelcase='STRING8'
+                      or $camelcase='Family_DECnet'">
+        <xsl:value-of select="translate($camelcase, $ucase, $lcase)"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:for-each select="str:split($camelcase, '')">
+          <xsl:variable name="a" select="."/>
+          <xsl:variable name="b" select="following::*[1]"/>
+          <xsl:variable name="c" select="following::*[2]"/>
+          <xsl:value-of select="translate(., $ucase, $lcase)"/>
+          <xsl:if test="($b and contains($lcase, $a) and contains($ucase, $b))
+                        or ($b and contains($digits, $a)
+                            and contains($letters, $b))
+                        or ($b and contains($letters, $a)
+                            and contains($digits, $b))
+                        or ($c and contains($ucase, $a)
+                            and contains($ucase, $b)
+                            and contains($lcase, $c))">
+            <xsl:text>_</xsl:text>
+          </xsl:if>
+        </xsl:for-each>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <!-- Modify names that conflict with C++ keywords by prefixing them with an
+       underscore.  If the name parameter is not specified, it defaults to the
+       value of the name attribute on the context node. -->
+  <xsl:template name="canonical-var-name">
+    <xsl:param name="name" select="@name" />
+    <xsl:if test="$name='new' or $name='delete'
+                  or $name='class' or $name='operator'">
+      <xsl:text>_</xsl:text>
+    </xsl:if>
+    <xsl:value-of select="$name" />
+  </xsl:template>
+
+  <!-- List of core types, for use in canonical-type-name. -->
+  <xsl:variable name="core-types-rtf">
+    <type name="BOOL" newname="uint8" />
+    <type name="BYTE" newname="uint8" />
+    <type name="CARD8" newname="uint8" />
+    <type name="CARD16" newname="uint16" />
+    <type name="CARD32" newname="uint32" />
+    <type name="INT8" newname="int8" />
+    <type name="INT16" newname="int16" />
+    <type name="INT32" newname="int32" />
+
+    <type name="char" newname="char" />
+    <type name="void" newname="void" />
+    <type name="float" newname="float" />
+    <type name="double" newname="double" />
+  </xsl:variable>
+  <xsl:variable name="core-types" select="e:node-set($core-types-rtf)" />
+
+  <!--
+    Output the canonical name for a type.  This will be
+    xcb_{extension-containing-type-if-any}_type, wherever the type is found in
+    the search path, or just type if not found.  If the type parameter is not
+    specified, it defaults to the value of the type attribute on the context
+    node.
+  -->
+  <xsl:template name="canonical-type-name">
+    <xsl:param name="type" select="string(@type)" />
+
+    <xsl:variable name="is-unqualified" select="not(contains($type, ':'))"/>
+    <xsl:variable name="namespace" select="substring-before($type, ':')" />
+    <xsl:variable name="unqualified-type">
+      <xsl:choose>
+        <xsl:when test="$is-unqualified">
+          <xsl:value-of select="$type" />
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="substring-after($type, ':')" />
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+
+    <xsl:choose>
+      <xsl:when test="$is-unqualified and $core-types/type[@name=$type]">
+        <xsl:value-of select="$core-types/type[@name=$type]/@newname" />
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:variable name="type-definitions"
+                      select="(/xcb|document($search-path)/xcb
+                              )[$is-unqualified or @header=$namespace]
+                               /*[((self::struct or self::union or self::enum
+                                    or self::xidtype or self::xidunion
+                                    or self::event or self::eventcopy
+                                    or self::error or self::errorcopy)
+                                   and @name=$unqualified-type)
+                                  or (self::typedef
+                                      and @newname=$unqualified-type)]" />
+        <xsl:choose>
+          <xsl:when test="count($type-definitions) = 1">
+            <xsl:for-each select="$type-definitions">
+              <xsl:value-of select="xcb:xcb-prefix($unqualified-type)" />
+            </xsl:for-each>
+          </xsl:when>
+          <xsl:when test="count($type-definitions) > 1">
+            <xsl:message terminate="yes">
+              <xsl:text>Multiple definitions of type "</xsl:text>
+              <xsl:value-of select="$type" />
+              <xsl:text>" found.</xsl:text>
+              <xsl:if test="$is-unqualified">
+                <xsl:for-each select="$type-definitions">
+                  <xsl:text>
+    </xsl:text>
+                  <xsl:value-of select="concat(/xcb/@header, ':', $type)" />
+                </xsl:for-each>
+              </xsl:if>
+            </xsl:message>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:message terminate="yes">
+              <xsl:text>No definitions of type "</xsl:text>
+              <xsl:value-of select="$type" />
+              <xsl:text>" found</xsl:text>
+              <xsl:if test="$is-unqualified">
+                <xsl:text>, and it is not a known core type</xsl:text>
+              </xsl:if>
+              <xsl:text>.</xsl:text>
+            </xsl:message>
+          </xsl:otherwise>
+        </xsl:choose> 	
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+  
+  <!-- Helper template for requests, that outputs the cookie type.  The
+       parameter "request" must be the request node, which defaults to the
+       context node. -->
+  <xsl:template name="cookie-type">
+    <xsl:param name="request" select="." />
+    <xsl:choose>
+      <xsl:when test="$request/reply">
+        <xsl:value-of select="xcb:xcb-prefix($request/@name)" />
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:text>xcb_void</xsl:text>
+      </xsl:otherwise>
+    </xsl:choose>
+    <xsl:text>_cookie_t</xsl:text>
+  </xsl:template>
+
+  <xsl:template name="request-function">
+    <xsl:param name="checked" />
+    <xsl:param name="req" />
+    <function>
+      <xsl:attribute name="name">
+        <xsl:value-of select="xcb:xcb-prefix($req/@name)" />
+        <xsl:if test="$checked='true' and not($req/reply)">_checked</xsl:if>
+        <xsl:if test="$checked='false' and $req/reply">_unchecked</xsl:if>
+      </xsl:attribute>
+      <xsl:attribute name="type">
+        <xsl:call-template name="cookie-type">
+          <xsl:with-param name="request" select="$req" />
+        </xsl:call-template>
+      </xsl:attribute>
+      <doc>/**</doc>
+      <doc> * Delivers a request to the X server</doc>
+      <doc> * @param c The connection</doc>
+      <doc> * @return A cookie</doc>
+      <doc> *</doc>
+      <doc> * Delivers a request to the X server.</doc>
+      <doc> * </doc>
+      <xsl:if test="$checked='true' and not($req/reply)">
+        <doc> * This form can be used only if the request will not cause</doc>
+        <doc> * a reply to be generated. Any returned error will be</doc>
+        <doc> * saved for handling by xcb_request_check().</doc>
+      </xsl:if>
+      <xsl:if test="$checked='false' and $req/reply">
+        <doc> * This form can be used only if the request will cause</doc>
+        <doc> * a reply to be generated. Any returned error will be</doc>
+        <doc> * placed in the event queue.</doc>
+      </xsl:if>
+      <doc> */</doc>
+      <field type="xcb_connection_t *" name="c" />
+      <xsl:apply-templates select="$req/*[not(self::reply)]" mode="param" />
+      <do-request ref="{xcb:xcb-prefix($req/@name)}_request_t" opcode="{translate(xcb:xcb-prefix($req/@name), $lcase, $ucase)}"
+                  checked="{$checked}">
+        <xsl:if test="$req/reply">
+          <xsl:attribute name="has-reply">true</xsl:attribute>
+        </xsl:if>
+      </do-request>
+    </function>
+  </xsl:template>
+  
+  <xsl:template match="request" mode="pass1">
+    <xsl:variable name="req" select="." />
+    <xsl:if test="reply">
+      <struct name="{xcb:xcb-prefix(@name)}_cookie_t">
+        <field type="unsigned int" name="sequence" />
+      </struct>
+    </xsl:if>
+    <constant type="number" name="{xcb:xcb-prefix($req/@name)}" value="{$req/@opcode}" />
+    <struct name="{xcb:xcb-prefix(@name)}_request_t">
+      <field type="uint8_t" name="major_opcode" no-assign="true" />
+      <xsl:if test="$ext">
+        <field type="uint8_t" name="minor_opcode" no-assign="true" />
+      </xsl:if>
+      <xsl:apply-templates select="*[not(self::reply)]" mode="field" />
+      <middle>
+        <field type="uint16_t" name="length" no-assign="true" />
+      </middle>
+    </struct>
+    <xsl:call-template name="request-function">
+      <xsl:with-param name="checked" select="'true'" />
+      <xsl:with-param name="req" select="$req" />
+    </xsl:call-template>
+    <xsl:call-template name="request-function">
+      <xsl:with-param name="checked" select="'false'" />
+      <xsl:with-param name="req" select="$req" />
+    </xsl:call-template>
+    <xsl:if test="reply">
+      <struct name="{xcb:xcb-prefix(@name)}_reply_t">
+        <field type="uint8_t" name="response_type" />
+        <xsl:apply-templates select="reply/*" mode="field" />
+        <middle>
+          <field type="uint16_t" name="sequence" />
+          <field type="uint32_t" name="length" />
+        </middle>
+      </struct>
+      <iterator-functions ref="{xcb:xcb-prefix(@name)}" kind="_reply" />
+      <function type="{xcb:xcb-prefix(@name)}_reply_t *" name="{xcb:xcb-prefix(@name)}_reply">
+        <doc>/**</doc>
+        <doc> * Return the reply</doc>
+        <doc> * @param c      The connection</doc>
+        <doc> * @param cookie The cookie</doc>
+        <doc> * @param e      The xcb_generic_error_t supplied</doc>
+        <doc> *</doc>
+        <doc> * Returns the reply of the request asked by</doc>
+        <doc> * </doc>
+        <doc> * The parameter @p e supplied to this function must be NULL if</doc>
+        <doc> * <xsl:value-of select="xcb:xcb-prefix(@name)" />_unchecked(). is used.</doc>
+        <doc> * Otherwise, it stores the error if any.</doc>
+        <doc> *</doc>
+        <doc> * The returned value must be freed by the caller using free().</doc>
+        <doc> */</doc>
+        <field type="xcb_connection_t *" name="c" />
+        <field name="cookie">
+          <xsl:attribute name="type">
+            <xsl:call-template name="cookie-type" />
+          </xsl:attribute>
+        </field>
+        <field type="xcb_generic_error_t **" name="e" />
+        <l>return (<xsl:value-of select="xcb:xcb-prefix(@name)" />_reply_t *)<!--
+        --> xcb_wait_for_reply(c, cookie.sequence, e);</l>
+      </function>
+    </xsl:if>
+  </xsl:template>
+
+  <xsl:template match="xidtype|xidunion" mode="pass1">
+    <typedef oldname="uint32_t" newname="{xcb:xcb-prefix(@name)}_t" />
+    <iterator ref="{xcb:xcb-prefix(@name)}" />
+    <iterator-functions ref="{xcb:xcb-prefix(@name)}" />
+  </xsl:template>
+
+  <xsl:template match="struct|union" mode="pass1">
+    <struct name="{xcb:xcb-prefix(@name)}_t">
+      <xsl:if test="self::union">
+        <xsl:attribute name="kind">union</xsl:attribute>
+      </xsl:if>
+      <xsl:apply-templates select="*" mode="field" />
+    </struct>
+    <iterator ref="{xcb:xcb-prefix(@name)}" />
+    <iterator-functions ref="{xcb:xcb-prefix(@name)}" />
+  </xsl:template>
+
+  <xsl:template match="event|eventcopy|error|errorcopy" mode="pass1">
+    <xsl:variable name="suffix">
+      <xsl:choose>
+        <xsl:when test="self::event|self::eventcopy">
+          <xsl:text>_event_t</xsl:text>
+        </xsl:when>
+        <xsl:when test="self::error|self::errorcopy">
+          <xsl:text>_error_t</xsl:text>
+        </xsl:when>
+      </xsl:choose>
+    </xsl:variable>
+    <constant type="number" name="{xcb:xcb-prefix(@name)}" value="{@number}" />
+    <xsl:choose>
+      <xsl:when test="self::event|self::error">
+        <struct name="{xcb:xcb-prefix(@name)}{$suffix}">
+          <field type="uint8_t" name="response_type" />
+          <xsl:if test="self::error">
+            <field type="uint8_t" name="error_code" />
+          </xsl:if>
+          <xsl:apply-templates select="*" mode="field" />
+          <xsl:if test="not(self::event and boolean(@no-sequence-number))">
+            <middle>
+              <field type="uint16_t" name="sequence" />
+            </middle>
+          </xsl:if>
+        </struct>
+      </xsl:when>
+      <xsl:when test="self::eventcopy|self::errorcopy">
+        <typedef newname="{xcb:xcb-prefix(@name)}{$suffix}">
+          <xsl:attribute name="oldname">
+            <xsl:call-template name="canonical-type-name">
+              <xsl:with-param name="type" select="@ref" />
+            </xsl:call-template>
+            <xsl:value-of select="$suffix" />
+          </xsl:attribute>
+        </typedef>
+      </xsl:when>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="typedef" mode="pass1">
+    <typedef>
+      <xsl:attribute name="oldname">
+        <xsl:call-template name="canonical-type-name">
+          <xsl:with-param name="type" select="@oldname" />
+        </xsl:call-template>
+        <xsl:text>_t</xsl:text>
+      </xsl:attribute>
+      <xsl:attribute name="newname">
+        <xsl:call-template name="canonical-type-name">
+          <xsl:with-param name="type" select="@newname" />
+        </xsl:call-template>
+        <xsl:text>_t</xsl:text>
+      </xsl:attribute>
+    </typedef>
+    <iterator ref="{xcb:xcb-prefix(@newname)}" />
+    <iterator-functions ref="{xcb:xcb-prefix(@newname)}" />
+  </xsl:template>
+
+  <xsl:template match="enum" mode="pass1">
+    <enum name="{xcb:xcb-prefix(@name)}_t">
+      <xsl:for-each select="item">
+        <item name="{translate(xcb:xcb-prefix(concat(../@name, concat('_', @name))), $lcase, $ucase)}">
+          <xsl:copy-of select="*" />
+        </item>
+      </xsl:for-each>
+    </enum>
+  </xsl:template>
+
+  <!--
+    Templates for processing fields.
+  -->
+
+  <xsl:template match="pad" mode="field">
+    <xsl:copy-of select="." />
+  </xsl:template>
+  
+  <xsl:template match="field|exprfield" mode="field">
+    <xsl:copy>
+      <xsl:attribute name="type">
+        <xsl:call-template name="canonical-type-name" />
+        <xsl:text>_t</xsl:text>
+      </xsl:attribute>
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name" />
+      </xsl:attribute>
+      <xsl:copy-of select="*" />
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="list" mode="field">
+    <xsl:variable name="type"><!--
+      --><xsl:call-template name="canonical-type-name" />
+        <xsl:text>_t</xsl:text><!--
+    --></xsl:variable>
+    <list type="{$type}">
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name" />
+      </xsl:attribute>
+      <xsl:if test="not(parent::request) and node()
+                    and not(.//*[not(self::value or self::op)])">
+        <xsl:attribute name="fixed">true</xsl:attribute>
+      </xsl:if>
+      <!-- Handle lists with no length expressions. -->
+      <xsl:if test="not(node())">
+        <xsl:choose>
+          <!-- In a request, refer to an implicit localparam for length. -->
+          <xsl:when test="parent::request">
+            <fieldref>
+              <xsl:value-of select="concat(@name, '_len')" />
+            </fieldref>
+          </xsl:when>
+          <!-- In a reply, use the length of the reply to determine the length
+               of the list. -->
+          <xsl:when test="parent::reply">
+            <op op="/">
+              <op op="&lt;&lt;">
+                <fieldref>length</fieldref>
+                <value>2</value>
+              </op>
+              <function-call name="sizeof">
+                <param><xsl:value-of select="$type" /></param>
+              </function-call>
+            </op>
+          </xsl:when>
+          <!-- Other cases generate an error. -->
+          <xsl:otherwise>
+            <xsl:message terminate="yes"><!--
+              -->Encountered a list with no length expresssion outside a<!--
+              --> request or reply.<!--
+            --></xsl:message>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:if>
+      <xsl:copy-of select="*" />
+    </list>
+  </xsl:template>
+
+  <xsl:template match="valueparam" mode="field">
+    <field>
+      <xsl:attribute name="type">
+        <xsl:call-template name="canonical-type-name">
+          <xsl:with-param name="type" select="@value-mask-type" />
+        </xsl:call-template>
+        <xsl:text>_t</xsl:text>
+      </xsl:attribute>
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name">
+          <xsl:with-param name="name" select="@value-mask-name" />
+        </xsl:call-template>
+      </xsl:attribute>
+    </field>
+    <list type="uint32_t">
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name">
+          <xsl:with-param name="name" select="@value-list-name" />
+        </xsl:call-template>
+      </xsl:attribute>
+      <function-call name="xcb_popcount">
+        <param>
+          <fieldref>
+            <xsl:call-template name="canonical-var-name">
+              <xsl:with-param name="name" select="@value-mask-name" />
+            </xsl:call-template>
+          </fieldref>
+        </param>
+      </function-call>
+    </list>
+  </xsl:template>
+
+  <xsl:template match="field" mode="param">
+    <field>
+      <xsl:attribute name="type">
+        <xsl:call-template name="canonical-type-name" />
+        <xsl:text>_t</xsl:text>
+      </xsl:attribute>
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name" />
+      </xsl:attribute>
+    </field>
+  </xsl:template>
+
+  <xsl:template match="list" mode="param">
+    <!-- If no length expression is provided, use a CARD32 localfield. -->
+    <xsl:if test="not(node())">
+      <field type="uint32_t" name="{@name}_len" />
+    </xsl:if>
+    <field>
+      <xsl:variable name="ctype">
+        <xsl:call-template name="canonical-type-name" />
+      </xsl:variable>
+      <xsl:attribute name="type">
+        <xsl:text>const </xsl:text>
+        <xsl:call-template name="canonical-type-name" />
+        <xsl:if test="not($ctype='char') and not($ctype='void')">
+          <xsl:text>_t</xsl:text>
+        </xsl:if>
+        <xsl:text> *</xsl:text>
+      </xsl:attribute>
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name" />
+      </xsl:attribute>
+    </field>
+  </xsl:template>
+
+  <xsl:template match="valueparam" mode="param">
+    <field>
+      <xsl:attribute name="type">
+        <xsl:call-template name="canonical-type-name">
+          <xsl:with-param name="type" select="@value-mask-type" />
+        </xsl:call-template>
+        <xsl:text>_t</xsl:text>
+      </xsl:attribute>
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name">
+          <xsl:with-param name="name" select="@value-mask-name" />
+        </xsl:call-template>
+      </xsl:attribute>
+    </field>
+    <field type="const uint32_t *">
+      <xsl:attribute name="name">
+        <xsl:call-template name="canonical-var-name">
+          <xsl:with-param name="name" select="@value-list-name" />
+        </xsl:call-template>
+      </xsl:attribute>
+    </field>
+  </xsl:template>
+
+  <!-- Second pass: Process the variable. -->
+  <xsl:variable name="result-rtf">
+    <xsl:apply-templates select="$pass1/*" mode="pass2" />
+  </xsl:variable>
+  <xsl:variable name="result" select="e:node-set($result-rtf)" />
+
+  <xsl:template match="xcb" mode="pass2">
+    <xcb>
+      <xsl:copy-of select="@*" />
+      <xsl:apply-templates mode="pass2"
+                           select="constant|enum|struct|typedef|iterator" />
+      <xsl:apply-templates mode="pass2"
+                           select="function|iterator-functions" />
+    </xcb>
+  </xsl:template>
+
+  <!-- Generic rules for nodes that don't need further processing: copy node
+       with attributes, and recursively process the child nodes. -->
+  <xsl:template match="*" mode="pass2">
+    <xsl:copy>
+      <xsl:copy-of select="@*" />
+      <xsl:apply-templates mode="pass2" />
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="struct" mode="pass2">
+    <xsl:if test="@kind='union' and list[not(@fixed)]">
+      <xsl:message terminate="yes">Unions must be fixed length.</xsl:message>
+    </xsl:if>
+    <struct name="{@name}">
+      <xsl:if test="@kind">
+        <xsl:attribute name="kind">
+          <xsl:value-of select="@kind" />
+        </xsl:attribute>
+      </xsl:if>
+      <!-- FIXME: This should go by size, not number of fields. -->
+      <xsl:copy-of select="node()[not(self::middle)
+                   and position() &lt; 3]" />
+      <xsl:if test="middle and (count(*[not(self::middle)]) &lt; 2)">
+        <pad bytes="{2 - count(*[not(self::middle)])}" />
+      </xsl:if>
+      <xsl:copy-of select="middle/*" />
+      <xsl:copy-of select="node()[not(self::middle) and (position() > 2)]" />
+    </struct>
+  </xsl:template>
+
+  <xsl:template match="do-request" mode="pass2">
+    <xsl:variable name="struct"
+                  select="$pass1/xcb/struct[@name=current()/@ref]" />
+
+    <xsl:variable name="num-parts" select="(1+count($struct/list))*2" />
+
+    <l>static const xcb_protocol_request_t xcb_req = {</l>
+    <indent>
+      <l>/* count */ <xsl:value-of select="$num-parts" />,</l>
+      <l>/* ext */ <xsl:choose>
+                     <xsl:when test="$ext">
+                       <xsl:text>&amp;</xsl:text>
+                       <xsl:value-of select="xcb:xcb-prefix()" />
+                       <xsl:text>_id</xsl:text>
+                     </xsl:when>
+                     <xsl:otherwise>0</xsl:otherwise>
+                   </xsl:choose>,</l>
+      <l>/* opcode */ <xsl:value-of select="@opcode" />,</l>
+      <l>/* isvoid */ <xsl:value-of select="1-boolean(@has-reply)" /></l>
+    </indent>
+    <l>};</l>
+
+    <l />
+    <l>struct iovec xcb_parts[<xsl:value-of select="$num-parts+2" />];</l>
+    <l><xsl:value-of select="../@type" /> xcb_ret;</l>
+    <l><xsl:value-of select="@ref" /> xcb_out;</l>
+
+    <l />
+    <xsl:if test="not ($ext) and not($struct//*[(self::field or self::exprfield or self::pad)
+                                                and not(boolean(@no-assign))])">
+      <l>xcb_out.pad0 = 0;</l>
+    </xsl:if>
+    <xsl:apply-templates select="$struct//*[(self::field or self::exprfield or self::pad)
+                                            and not(boolean(@no-assign))]"
+                         mode="assign" />
+
+    <l />
+    <l>xcb_parts[2].iov_base = (char *) &amp;xcb_out;</l>
+    <l>xcb_parts[2].iov_len = sizeof(xcb_out);</l>
+    <l>xcb_parts[3].iov_base = 0;</l>
+    <l>xcb_parts[3].iov_len = -xcb_parts[2].iov_len &amp; 3;</l>
+
+    <xsl:for-each select="$struct/list">
+      <l>xcb_parts[<xsl:value-of select="2 + position() * 2"/>].iov_base = (char *) <!--
+      --><xsl:value-of select="@name" />;</l>
+      <l>xcb_parts[<xsl:value-of select="2 + position() * 2"/>].iov_len = <!--
+      --><xsl:apply-templates mode="output-expression" />
+      <xsl:if test="not(@type = 'void_t')">
+        <xsl:text> * sizeof(</xsl:text>
+          <xsl:choose>
+          <xsl:when test="@type='char_t'">
+            <xsl:text>char</xsl:text>
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:value-of select="@type" />
+          </xsl:otherwise>
+        </xsl:choose>
+        <xsl:text>)</xsl:text>
+      </xsl:if>;</l>
+      <l>xcb_parts[<xsl:value-of select="3 + position() * 2"/>].iov_base = 0;</l>
+      <l>xcb_parts[<xsl:value-of select="3 + position() * 2"/>].iov_len = -xcb_parts[<xsl:value-of select="2 + position() * 2"/>].iov_len &amp; 3;</l>
+    </xsl:for-each>
+
+    <l>xcb_ret.sequence = xcb_send_request(c, <!--
+    --><xsl:choose>
+         <xsl:when test="@checked='true'">XCB_REQUEST_CHECKED</xsl:when>
+         <xsl:otherwise>0</xsl:otherwise>
+       </xsl:choose>, xcb_parts + 2, &amp;xcb_req);</l>
+    <l>return xcb_ret;</l>
+  </xsl:template>
+
+  <xsl:template match="field" mode="assign">
+    <l>
+      <xsl:text>xcb_out.</xsl:text>
+      <xsl:value-of select="@name" />
+      <xsl:text> = </xsl:text>
+      <xsl:value-of select="@name" />
+      <xsl:text>;</xsl:text>
+    </l>
+  </xsl:template>
+
+  <xsl:template match="exprfield" mode="assign">
+    <l>
+      <xsl:text>xcb_out.</xsl:text>
+      <xsl:value-of select="@name" />
+      <xsl:text> = </xsl:text>
+      <xsl:apply-templates mode="output-expression" />
+      <xsl:text>;</xsl:text>
+    </l>
+  </xsl:template>
+
+  <xsl:template match="pad" mode="assign">
+    <xsl:variable name="padnum"><xsl:number /></xsl:variable>
+    <l><xsl:choose>
+        <xsl:when test="@bytes = 1">xcb_out.pad<xsl:value-of select="$padnum - 1" /> = 0;</xsl:when>
+        <xsl:otherwise>memset(xcb_out.pad<xsl:value-of select="$padnum - 1" />, 0, <xsl:value-of select="@bytes" />);</xsl:otherwise>
+    </xsl:choose></l>
+  </xsl:template>
+
+  <xsl:template match="iterator" mode="pass2">
+    <struct name="{@ref}_iterator_t">
+      <field type="{@ref}_t *" name="data" />
+      <field type="int" name="rem" />
+      <field type="int" name="index" />
+    </struct>
+  </xsl:template>
+
+  <xsl:template match="iterator-functions" mode="pass2">
+    <xsl:variable name="ref" select="@ref" />
+    <xsl:variable name="kind" select="@kind" />
+    <xsl:variable name="struct"
+                  select="$pass1/xcb/struct[@name=concat($ref, $kind, '_t')]" />
+    <xsl:variable name="nextfields-rtf">
+      <nextfield>R + 1</nextfield>
+      <xsl:for-each select="$struct/list[not(@fixed)]">
+        <xsl:choose>
+          <xsl:when test="substring(@type, 1, 3) = 'xcb'">
+            <nextfield><xsl:value-of select="substring(@type, 1, string-length(@type)-2)" />_end(<!--
+            --><xsl:value-of select="$ref" />_<!--
+            --><xsl:value-of select="string(@name)" />_iterator(R))</nextfield>
+          </xsl:when>
+          <xsl:otherwise>
+            <nextfield><xsl:value-of select="$ref" />_<!--
+            --><xsl:value-of select="string(@name)" />_end(R)</nextfield>
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:for-each>
+    </xsl:variable>
+    <xsl:variable name="nextfields" select="e:node-set($nextfields-rtf)" />
+    <xsl:for-each select="$struct/list[not(@fixed)]">
+      <xsl:variable name="number"
+                    select="1+count(preceding-sibling::list[not(@fixed)])" />
+      <xsl:variable name="nextfield" select="$nextfields/nextfield[$number]" />
+      <xsl:variable name="is-first"
+                    select="not(preceding-sibling::list[not(@fixed)])" />
+      <xsl:variable name="field-name" select="@name" />
+      <xsl:variable name="is-variable"
+                    select="$pass1/xcb/struct[@name=current()/@type]/list
+                            or document($search-path)/xcb
+                               /struct[concat(xcb:xcb-prefix(@name), '_t')
+                                       = current()/@type]
+                               /*[self::valueparam
+                                  or self::list[.//*[not(self::value
+                                                         or self::op)]]]" />
+      <xsl:if test="not($is-variable)">
+        <function type="{xcb:get-char-void(@type)} *" name="{$ref}_{xcb:lowercase($field-name)}">
+          <field type="const {$ref}{$kind}_t *" name="R" />
+          <xsl:choose>
+            <xsl:when test="$is-first">
+              <l>return (<xsl:value-of select="xcb:get-char-void(@type)" /> *) <!--
+              -->(<xsl:value-of select="$nextfield" />);</l>
+            </xsl:when>
+            <xsl:otherwise>
+              <l>xcb_generic_iterator_t prev = <!--
+              --><xsl:value-of select="$nextfield" />;</l>
+              <l>return (<xsl:value-of select="xcb:get-char-void(@type)" /> *) <!--
+              -->((char *) prev.data + XCB_TYPE_PAD(<!--
+              --><xsl:value-of select="xcb:get-char-void(@type)" />, prev.index));</l>
+            </xsl:otherwise>
+          </xsl:choose>
+        </function>
+      </xsl:if>
+      <function type="int" name="{$ref}_{xcb:lowercase($field-name)}_length">
+        <field type="const {$ref}{$kind}_t *" name="R" />
+        <l>return <xsl:apply-templates mode="output-expression">
+                    <xsl:with-param name="field-prefix" select="'R->'" />
+                  </xsl:apply-templates>;</l>
+      </function>
+      <xsl:choose>
+        <xsl:when test="substring(@type, 1, 3) = 'xcb'">
+          <function type="{substring(@type, 1, string-length(@type)-2)}_iterator_t" name="{$ref}_{xcb:lowercase($field-name)}_iterator">
+            <field type="const {$ref}{$kind}_t *" name="R" />
+            <l><xsl:value-of select="substring(@type, 1, string-length(@type)-2)" />_iterator_t i;</l>
+            <xsl:choose>
+              <xsl:when test="$is-first">
+                <l>i.data = (<xsl:value-of select="@type" /> *) <!--
+                -->(<xsl:value-of select="$nextfield" />);</l>
+              </xsl:when>
+              <xsl:otherwise>
+                <l>xcb_generic_iterator_t prev = <!--
+                --><xsl:value-of select="$nextfield" />;</l>
+                <l>i.data = (<xsl:value-of select="@type" /> *) <!--
+                -->((char *) prev.data + XCB_TYPE_PAD(<!--
+                --><xsl:value-of select="@type" />, prev.index));</l>
+              </xsl:otherwise>
+            </xsl:choose>
+            <l>i.rem = <xsl:apply-templates mode="output-expression">
+                         <xsl:with-param name="field-prefix" select="'R->'" />
+                       </xsl:apply-templates>;</l>
+            <l>i.index = (char *) i.data - (char *) R;</l>
+            <l>return i;</l>
+          </function>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:variable name="cast">
+            <xsl:choose>
+              <xsl:when test="@type='void'">char</xsl:when>
+              <xsl:otherwise><xsl:value-of select="@type" /></xsl:otherwise>
+            </xsl:choose>
+          </xsl:variable>
+          <function type="xcb_generic_iterator_t" name="{$ref}_{xcb:lowercase($field-name)}_end">
+            <field type="const {$ref}{$kind}_t *" name="R" />
+            <l>xcb_generic_iterator_t i;</l>
+            <xsl:choose>
+              <xsl:when test="$is-first">
+                <l>i.data = ((<xsl:value-of select="xcb:remove-void($cast)" /> *) <!--
+                -->(<xsl:value-of select="$nextfield" />)) + (<!--
+                --><xsl:apply-templates mode="output-expression">
+                     <xsl:with-param name="field-prefix" select="'R->'" />
+                   </xsl:apply-templates>);</l>
+              </xsl:when>
+              <xsl:otherwise>
+                <l>xcb_generic_iterator_t child = <!--
+                --><xsl:value-of select="$nextfield" />;</l>
+                <l>i.data = ((<xsl:value-of select="xcb:get-char-void($cast)" /> *) <!--
+                -->child.data) + (<!--
+                --><xsl:apply-templates mode="output-expression">
+                     <xsl:with-param name="field-prefix" select="'R->'" />
+                   </xsl:apply-templates>);</l>
+              </xsl:otherwise>
+            </xsl:choose>
+            <l>i.rem = 0;</l>
+            <l>i.index = (char *) i.data - (char *) R;</l>
+            <l>return i;</l>
+          </function>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:for-each>
+    <xsl:if test="not($kind)">
+      <function type="void" name="{$ref}_next">
+        <doc>/**</doc>
+        <doc> * Get the next element of the iterator</doc>
+        <doc> * @param i Pointer to a <xsl:value-of select="$ref" />_iterator_t</doc>
+        <doc> *</doc>
+        <doc> * Get the next element in the iterator. The member rem is</doc>
+        <doc> * decreased by one. The member data points to the next</doc>
+        <doc> * element. The member index is increased by sizeof(<xsl:value-of select="$ref" />_t)</doc>
+        <doc> */</doc>
+        <field type="{$ref}_iterator_t *" name="i" />
+        <xsl:choose>
+          <xsl:when test="$struct/list[not(@fixed)]">
+            <l><xsl:value-of select="$ref" />_t *R = i->data;</l>
+            <l>xcb_generic_iterator_t child = <!--
+            --><xsl:value-of select="$nextfields/nextfield[last()]" />;</l>
+            <l>--i->rem;</l>
+            <l>i->data = (<xsl:value-of select="$ref" />_t *) child.data;</l>
+            <l>i->index = child.index;</l>
+          </xsl:when>
+          <xsl:otherwise>
+            <l>--i->rem;</l>
+            <l>++i->data;</l>
+            <l>i->index += sizeof(<xsl:value-of select="$ref" />_t);</l>
+          </xsl:otherwise>
+        </xsl:choose>
+      </function>
+      <function type="xcb_generic_iterator_t" name="{$ref}_end">
+        <doc>/**</doc>
+        <doc> * Return the iterator pointing to the last element</doc>
+        <doc> * @param i An <xsl:value-of select="$ref" />_iterator_t</doc>
+        <doc> * @return  The iterator pointing to the last element</doc>
+        <doc> *</doc>
+        <doc> * Set the current element in the iterator to the last element.</doc>
+        <doc> * The member rem is set to 0. The member data points to the</doc>
+        <doc> * last element.</doc>
+        <doc> */</doc>
+        <field type="{$ref}_iterator_t" name="i" />
+        <l>xcb_generic_iterator_t ret;</l>
+        <xsl:choose>
+          <xsl:when test="$struct/list[not(@fixed)]">
+            <l>while(i.rem > 0)</l>
+            <indent>
+              <l><xsl:value-of select="$ref" />_next(&amp;i);</l>
+            </indent>
+            <l>ret.data = i.data;</l>
+            <l>ret.rem = i.rem;</l>
+            <l>ret.index = i.index;</l>
+          </xsl:when>
+          <xsl:otherwise>
+            <l>ret.data = i.data + i.rem;</l>
+            <l>ret.index = i.index + ((char *) ret.data - (char *) i.data);</l>
+            <l>ret.rem = 0;</l>
+          </xsl:otherwise>
+        </xsl:choose>
+        <l>return ret;</l>
+      </function>
+    </xsl:if>
+  </xsl:template>
+
+  <!-- Output the results. -->
+  <xsl:template match="/">
+    <xsl:if test="not(function-available('e:node-set'))">
+      <xsl:message terminate="yes"><!--
+        -->Error: This stylesheet requires the EXSL node-set extension.<!--
+      --></xsl:message>
+    </xsl:if>
+
+    <xsl:if test="not($h) and not($c)">
+      <xsl:message terminate="yes"><!--
+        -->Error: Parameter "mode" must be "header" or "source".<!--
+      --></xsl:message>
+    </xsl:if>
+
+    <xsl:apply-templates select="$result/*" mode="output" />
+  </xsl:template>
+
+  <xsl:template match="xcb" mode="output">
+    <xsl:variable name="guard"><!--
+      -->__<xsl:value-of select="$ucase-header" />_H<!--
+    --></xsl:variable>
+
+<xsl:text>/*
+ * This file generated automatically from </xsl:text>
+<xsl:value-of select="$header" /><xsl:text>.xml by c-client.xsl using XSLT.
+ * Edit at your peril.
+ */
+</xsl:text>
+<xsl:if test="$h"><xsl:text>
+/**
+ * @defgroup XCB_</xsl:text><xsl:value-of select="$ext" /><xsl:text>_API XCB </xsl:text><xsl:value-of select="$ext" /><xsl:text> API
+ * @brief </xsl:text><xsl:value-of select="$ext" /><xsl:text> XCB Protocol Implementation.</xsl:text>
+<xsl:text>
+ * @{
+ **/
+</xsl:text>
+
+<xsl:text>
+#ifndef </xsl:text><xsl:value-of select="$guard" /><xsl:text>
+#define </xsl:text><xsl:value-of select="$guard" /><xsl:text>
+</xsl:text>
+#include "xcb.h"
+<xsl:for-each select="$root/xcb/import">
+<xsl:text>#include "</xsl:text><xsl:value-of select="." /><xsl:text>.h"
+</xsl:text>
+</xsl:for-each>
+<xsl:text>
+</xsl:text>
+</xsl:if>
+<xsl:if test="$h">
+    <xsl:choose>
+        <xsl:when test="string($ext)">
+  <xsl:text>#define XCB_</xsl:text><xsl:value-of select="translate($ext, $lcase, $ucase)"/><xsl:text>_MAJOR_VERSION </xsl:text><xsl:value-of select="/xcb/@major-version" /><xsl:text>
+</xsl:text>
+  <xsl:text>#define XCB_</xsl:text><xsl:value-of select="translate($ext, $lcase, $ucase)"/><xsl:text>_MINOR_VERSION </xsl:text><xsl:value-of select="/xcb/@minor-version" />
+  <xsl:text>
+  
+</xsl:text>
+    </xsl:when>
+  </xsl:choose>
+</xsl:if>
+
+<xsl:if test="$c">
+<xsl:if test="$need-string-h">
+#include &lt;string.h&gt;</xsl:if>
+<xsl:text>
+#include &lt;assert.h&gt;
+#include "xcbext.h"
+#include "</xsl:text><xsl:value-of select="$header" /><xsl:text>.h"
+
+</xsl:text></xsl:if>
+
+    <xsl:apply-templates mode="output" />
+
+<xsl:if test="$h">
+<xsl:text>
+#endif
+
+/**
+ * @}
+ */
+</xsl:text>
+</xsl:if>
+  </xsl:template>
+
+  <xsl:template match="constant" mode="output">
+    <xsl:choose>
+      <xsl:when test="@type = 'number'">
+        <xsl:if test="$h">
+          <xsl:text>/** Opcode for </xsl:text><xsl:value-of select="@name"/><xsl:text>. */
+</xsl:text>
+          <xsl:text>#define </xsl:text>
+          <xsl:value-of select="translate(@name, $lcase, $ucase)" />
+          <xsl:text> </xsl:text>
+          <xsl:value-of select="@value" />
+          <xsl:text>
+
+</xsl:text>
+        </xsl:if>
+      </xsl:when>
+      <xsl:when test="@type = 'string'">
+        <xsl:if test="$h">
+          <xsl:text>extern </xsl:text>
+        </xsl:if>
+        <xsl:text>const char </xsl:text>
+        <xsl:value-of select="@name" />
+        <xsl:text>[]</xsl:text>
+        <xsl:if test="$c">
+          <xsl:text> = "</xsl:text>
+          <xsl:value-of select="@value" />
+          <xsl:text>"</xsl:text>
+        </xsl:if>
+        <xsl:text>;
+
+</xsl:text>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:if test="$h">
+          <xsl:text>extern </xsl:text>
+        </xsl:if>
+        <xsl:call-template name="type-and-name" />
+        <xsl:if test="$c">
+          <xsl:text> = </xsl:text>
+          <xsl:value-of select="@value" />
+        </xsl:if>
+        <xsl:text>;
+
+</xsl:text>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="typedef" mode="output">
+    <xsl:if test="$h">
+      <xsl:text>typedef </xsl:text>
+      <xsl:value-of select="xcb:get-char-void(@oldname)" />
+      <xsl:text> </xsl:text>
+      <xsl:value-of select="@newname" />
+      <xsl:text>;
+
+</xsl:text>
+    </xsl:if>
+  </xsl:template>
+
+  <xsl:template match="struct" mode="output">
+    <xsl:if test="$h">
+      <xsl:variable name="type-lengths">
+        <xsl:call-template name="type-lengths">
+          <xsl:with-param name="items" select="field/@type" />
+        </xsl:call-template>
+      </xsl:variable>
+      <xsl:text>/**
+ * @brief </xsl:text><xsl:value-of select="@name" /><xsl:text>
+ **/
+</xsl:text>
+      <xsl:text>typedef </xsl:text>
+      <xsl:if test="not(@kind)">struct</xsl:if><xsl:value-of select="@kind" />
+      <xsl:text> </xsl:text>
+      <xsl:value-of select="@name" />
+      <xsl:text> {
+</xsl:text>
+      <xsl:for-each select="exprfield|field|list[@fixed]|pad">
+        <xsl:text>    </xsl:text>
+        <xsl:apply-templates select=".">
+          <xsl:with-param name="type-lengths" select="$type-lengths" />
+        </xsl:apply-templates>
+        <xsl:text>; /**&lt; </xsl:text><xsl:text> */
+</xsl:text>
+      </xsl:for-each>
+      <xsl:text>} </xsl:text>
+      <xsl:value-of select="@name" />
+      <xsl:text>;
+
+</xsl:text>
+    </xsl:if>
+  </xsl:template>
+
+  <xsl:template match="enum" mode="output">
+    <xsl:if test="$h">
+      <xsl:text>typedef enum </xsl:text>
+      <xsl:value-of select="@name" />
+      <xsl:text> {
+    </xsl:text>
+      <xsl:call-template name="list">
+        <xsl:with-param name="separator"><xsl:text>,
+    </xsl:text></xsl:with-param>
+        <xsl:with-param name="items">
+          <xsl:for-each select="item">
+            <item>
+              <xsl:value-of select="@name" />
+              <xsl:if test="node()"> <!-- If there is an expression -->
+                <xsl:text> = </xsl:text>
+                <xsl:apply-templates mode="output-expression" />
+              </xsl:if>
+            </item>
+          </xsl:for-each>
+        </xsl:with-param>
+      </xsl:call-template>
+      <xsl:text>
+} </xsl:text><xsl:value-of select="@name" /><xsl:text>;
+
+</xsl:text>
+    </xsl:if>
+  </xsl:template>
+
+  <xsl:template match="function" mode="output">
+    <xsl:variable name="decl-open" select="concat(@name, ' (')" />
+    <xsl:variable name="type-lengths">
+      <xsl:call-template name="type-lengths">
+        <xsl:with-param name="items" select="field/@type" />
+      </xsl:call-template>
+  </xsl:variable>
+  <!-- Doxygen for functions in header. -->
+    <xsl:if test="$h">
+      <xsl:apply-templates select="doc" mode="function-doc">
+      </xsl:apply-templates>
+    </xsl:if>
+/*****************************************************************************
+ **
+ ** <xsl:value-of select="@type" />
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@name" />
+ ** <xsl:call-template name="list">
+     <xsl:with-param name="items">
+         <xsl:for-each select="field">
+             <item>
+                 <xsl:text>
+ ** @param </xsl:text>
+                 <xsl:apply-templates select=".">
+                     <xsl:with-param name="type-lengths" select="$type-lengths" />
+                 </xsl:apply-templates>
+             </item>
+         </xsl:for-each>
+     </xsl:with-param>
+ </xsl:call-template>
+ ** @returns <xsl:value-of select="@type" />
+ **
+ *****************************************************************************/
+ 
+<xsl:value-of select="@type" />
+    <xsl:text>
+</xsl:text>
+    <xsl:value-of select="$decl-open" />
+    <xsl:call-template name="list">
+      <xsl:with-param name="separator">
+        <xsl:text>,
+</xsl:text>
+        <xsl:call-template name="repeat">
+          <xsl:with-param name="count" select="string-length($decl-open)" />
+        </xsl:call-template>
+      </xsl:with-param>
+      <xsl:with-param name="items">
+        <xsl:for-each select="field">
+          <item>
+            <xsl:apply-templates select=".">
+              <xsl:with-param name="type-lengths" select="$type-lengths" />
+            </xsl:apply-templates>
+            <xsl:text>  /**&lt; */</xsl:text>
+          </item>
+        </xsl:for-each>
+      </xsl:with-param>
+    </xsl:call-template>
+    <xsl:text>)</xsl:text>
+
+    <xsl:if test="$h"><xsl:text>;
+
+</xsl:text></xsl:if>
+
+    <xsl:if test="$c">
+      <xsl:text>
+{
+</xsl:text>
+      <xsl:apply-templates select="l|indent" mode="function-body">
+        <xsl:with-param name="indent" select="$indent-string" />
+      </xsl:apply-templates>
+      <xsl:text>}
+
+</xsl:text>
+    </xsl:if>
+  </xsl:template>
+
+  <xsl:template match="doc" mode="function-doc">
+    <xsl:value-of select="." /><xsl:text>
+</xsl:text>
+  </xsl:template>
+
+  <xsl:template match="l" mode="function-body">
+    <xsl:param name="indent" />
+    <xsl:value-of select="concat($indent, .)" /><xsl:text>
+</xsl:text>
+  </xsl:template>
+
+  <xsl:template match="indent" mode="function-body">
+    <xsl:param name="indent" />
+    <xsl:apply-templates select="l|indent" mode="function-body">
+      <xsl:with-param name="indent" select="concat($indent, $indent-string)" />
+    </xsl:apply-templates>
+  </xsl:template>
+
+  <xsl:template match="value" mode="output-expression">
+    <xsl:value-of select="." />
+  </xsl:template>
+
+  <xsl:template match="fieldref" mode="output-expression">
+    <xsl:param name="field-prefix" />
+    <xsl:value-of select="concat($field-prefix, .)" />
+  </xsl:template>
+
+  <xsl:template match="op" mode="output-expression">
+    <xsl:param name="field-prefix" />
+    <xsl:text>(</xsl:text>
+    <xsl:apply-templates select="node()[1]" mode="output-expression">
+      <xsl:with-param name="field-prefix" select="$field-prefix" />
+    </xsl:apply-templates>
+    <xsl:text> </xsl:text>
+    <xsl:value-of select="@op" />
+    <xsl:text> </xsl:text>
+    <xsl:apply-templates select="node()[2]" mode="output-expression">
+      <xsl:with-param name="field-prefix" select="$field-prefix" />
+    </xsl:apply-templates>
+    <xsl:text>)</xsl:text>
+  </xsl:template>
+
+  <xsl:template match="bit" mode="output-expression">
+    <xsl:text>(1 &lt;&lt; </xsl:text>
+    <xsl:value-of select="." />
+    <xsl:text>)</xsl:text>
+  </xsl:template>
+
+  <xsl:template match="function-call" mode="output-expression">
+    <xsl:param name="field-prefix" />
+    <xsl:value-of select="@name" />
+    <xsl:text>(</xsl:text>
+    <xsl:call-template name="list">
+      <xsl:with-param name="separator" select="', '" />
+      <xsl:with-param name="items">
+        <xsl:for-each select="param">
+          <item><xsl:apply-templates mode="output-expression">
+            <xsl:with-param name="field-prefix" select="$field-prefix" />
+          </xsl:apply-templates></item>
+        </xsl:for-each>
+      </xsl:with-param>
+    </xsl:call-template>
+    <xsl:text>)</xsl:text>
+  </xsl:template>
+
+  <!-- Catch invalid elements in expressions. -->
+  <xsl:template match="*" mode="output-expression">
+    <xsl:message terminate="yes">
+      <xsl:text>Invalid element in expression: </xsl:text>
+      <xsl:value-of select="name()" />
+    </xsl:message>
+  </xsl:template>
+
+  <xsl:template match="field|exprfield">
+    <xsl:param name="type-lengths" select="0" />
+    <xsl:call-template name="type-and-name">
+      <xsl:with-param name="type-lengths" select="$type-lengths" />
+    </xsl:call-template>
+  </xsl:template>
+
+  <xsl:template match="list[@fixed]">
+    <xsl:param name="type-lengths" select="0" />
+    <xsl:call-template name="type-and-name">
+      <xsl:with-param name="type-lengths" select="$type-lengths" />
+    </xsl:call-template>
+    <xsl:text>[</xsl:text>
+    <xsl:apply-templates mode="output-expression" />
+    <xsl:text>]</xsl:text>
+  </xsl:template>
+
+  <xsl:template match="pad">
+    <xsl:param name="type-lengths" select="0" />
+
+    <xsl:variable name="padnum"><xsl:number /></xsl:variable>
+
+    <xsl:call-template name="type-and-name">
+      <xsl:with-param name="type" select="'uint8_t'" />
+      <xsl:with-param name="name">
+        <xsl:text>pad</xsl:text>
+        <xsl:value-of select="$padnum - 1" />
+      </xsl:with-param>
+      <xsl:with-param name="type-lengths" select="$type-lengths" />
+    </xsl:call-template>
+    <xsl:if test="@bytes > 1">
+      <xsl:text>[</xsl:text>
+      <xsl:value-of select="@bytes" />
+      <xsl:text>]</xsl:text>
+    </xsl:if>
+  </xsl:template>
+
+  <!-- Output the given type and name (defaulting to the corresponding
+       attributes of the context node), with the appropriate spacing.  The
+       type must consist of a base type (which may contain spaces), then
+       optionally a single space and a suffix of one or more '*' characters.
+       If the type-lengths parameter is provided, use it to line up the base
+       types and suffixs of the type declarations. -->
+  <xsl:template name="type-and-name">
+    <xsl:param name="type" select="@type" />
+    <xsl:param name="name" select="@name" />
+    <xsl:param name="type-lengths">
+      <max-type-length>0</max-type-length>
+      <max-suffix-length>0</max-suffix-length>
+    </xsl:param>
+    
+    <xsl:variable name="type-lengths-ns" select="e:node-set($type-lengths)" />
+    <xsl:variable name="min-type-length"
+                  select="$type-lengths-ns/max-type-length" />
+    <xsl:variable name="min-suffix-length"
+                  select="$type-lengths-ns/max-suffix-length" />
+
+    <xsl:variable name="base-type">
+      <xsl:choose>
+        <xsl:when test="contains($type, ' *')">
+          <xsl:value-of select="substring-before($type, ' *')" />
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="$type" />
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+    <xsl:variable name="suffix">
+      <xsl:if test="contains($type, ' *')">
+        <xsl:text>*</xsl:text>
+        <xsl:value-of select="substring-after($type, ' *')" />
+      </xsl:if>
+    </xsl:variable>
+
+    <xsl:value-of select="$base-type" />
+    <xsl:if test="string-length($base-type) &lt; $min-type-length">
+      <xsl:call-template name="repeat">
+        <xsl:with-param name="count" select="$min-type-length
+                                             - string-length($base-type)" />
+      </xsl:call-template>
+    </xsl:if>
+    <xsl:text> </xsl:text>
+    <xsl:if test="string-length($suffix) &lt; $min-suffix-length">
+      <xsl:call-template name="repeat">
+        <xsl:with-param name="count" select="$min-suffix-length
+                                             - string-length($suffix)" />
+      </xsl:call-template>
+    </xsl:if>
+    <xsl:value-of select="$suffix" />
+    <xsl:value-of select="$name" />
+  </xsl:template>
+
+  <!-- Output a list with a given separator.  Empty items are skipped. -->
+  <xsl:template name="list">
+    <xsl:param name="separator" />
+    <xsl:param name="items" />
+
+    <xsl:for-each select="e:node-set($items)/*">
+      <xsl:value-of select="." />
+      <xsl:if test="not(position() = last())">
+        <xsl:value-of select="$separator" />
+      </xsl:if>
+    </xsl:for-each>
+  </xsl:template>
+
+  <!-- Repeat a string (space by default) a given number of times. -->
+  <xsl:template name="repeat">
+    <xsl:param name="str" select="' '" />
+    <xsl:param name="count" />
+
+    <xsl:if test="$count &gt; 0">
+      <xsl:value-of select="$str" />
+      <xsl:call-template name="repeat">
+        <xsl:with-param name="str"   select="$str" />
+        <xsl:with-param name="count" select="$count - 1" />
+      </xsl:call-template>
+    </xsl:if>
+  </xsl:template>
+
+  <!-- Record the maximum type lengths of a set of types for use as the
+       max-type-lengths parameter of type-and-name. -->
+  <xsl:template name="type-lengths">
+    <xsl:param name="items" />
+    <xsl:variable name="type-lengths-rtf">
+      <xsl:for-each select="$items">
+        <item>
+          <xsl:choose>
+            <xsl:when test="contains(., ' *')">
+              <xsl:value-of select="string-length(
+                                    substring-before(., ' *'))" />
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:value-of select="string-length(.)" />
+            </xsl:otherwise>
+          </xsl:choose>
+        </item>
+      </xsl:for-each>
+    </xsl:variable>
+    <xsl:variable name="suffix-lengths-rtf">
+      <xsl:for-each select="$items">
+        <item>
+          <xsl:choose>
+            <xsl:when test="contains(., ' *')">
+              <xsl:value-of select="string-length(substring-after(., ' *'))
+                                    + 1" />
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:text>0</xsl:text>
+            </xsl:otherwise>
+          </xsl:choose>
+        </item>
+      </xsl:for-each>
+    </xsl:variable>
+    <max-type-length>
+      <xsl:call-template name="max">
+        <xsl:with-param name="items"
+                        select="e:node-set($type-lengths-rtf)/*" />
+      </xsl:call-template>
+    </max-type-length>
+    <max-suffix-length>
+      <xsl:call-template name="max">
+        <xsl:with-param name="items"
+                        select="e:node-set($suffix-lengths-rtf)/*" />
+      </xsl:call-template>
+    </max-suffix-length>
+  </xsl:template>
+
+  <!-- Return the maximum number in a set of numbers. -->
+  <xsl:template name="max">
+    <xsl:param name="items" />
+    <xsl:choose>
+      <xsl:when test="count($items) = 0">
+        <xsl:text>0</xsl:text>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:variable name="head" select="number($items[1])" />
+        <xsl:variable name="tail-max">
+          <xsl:call-template name="max">
+            <xsl:with-param name="items" select="$items[position() > 1]" />
+          </xsl:call-template>
+        </xsl:variable>
+        <xsl:choose>
+          <xsl:when test="$head > number($tail-max)">
+            <xsl:value-of select="$head" />
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:value-of select="$tail-max" />
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+</xsl:transform>