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-rw-r--r--libxcb/src/c-client.xsl1551
-rw-r--r--libxcb/src/xcb.h35
-rw-r--r--libxcb/src/xcb_in.c119
-rw-r--r--libxcb/src/xcbint.h2
4 files changed, 117 insertions, 1590 deletions
diff --git a/libxcb/src/c-client.xsl b/libxcb/src/c-client.xsl
deleted file mode 100644
index a15d824a1..000000000
--- a/libxcb/src/c-client.xsl
+++ /dev/null
@@ -1,1551 +0,0 @@
-<?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="$h">
- <xsl:text>typedef enum </xsl:text>
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- <xsl:value-of select="@name" />
- <xsl:if test="node()"> <!-- If there is an expression -->
- <xsl:text> = </xsl:text>
- <xsl:apply-templates mode="output-expression" />
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- </xsl:for-each>
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- <xsl:text>
-} </xsl:text><xsl:value-of select="@name" /><xsl:text>;
-
-</xsl:text>
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-
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-/*****************************************************************************
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- ** <xsl:call-template name="list">
- <xsl:with-param name="items">
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- ** @param </xsl:text>
- <xsl:apply-templates select=".">
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- ** @returns <xsl:value-of select="@type" />
- **
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- <xsl:call-template name="list">
- <xsl:with-param name="separator">
- <xsl:text>,
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- <xsl:apply-templates select=".">
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- </xsl:call-template>
- <xsl:text>)</xsl:text>
-
- <xsl:if test="$h"><xsl:text>;
-
-</xsl:text></xsl:if>
-
- <xsl:if test="$c">
- <xsl:text>
-{
-</xsl:text>
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- <xsl:with-param name="indent" select="$indent-string" />
- </xsl:apply-templates>
- <xsl:text>}
-
-</xsl:text>
- </xsl:if>
- </xsl:template>
-
- <xsl:template match="doc" mode="function-doc">
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-</xsl:text>
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-
- <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, $indent-string)" />
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-
- <xsl:template match="value" mode="output-expression">
- <xsl:value-of select="." />
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-
- <xsl:template match="fieldref" mode="output-expression">
- <xsl:param name="field-prefix" />
- <xsl:value-of select="concat($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="$field-prefix" />
- </xsl:apply-templates></item>
- </xsl:for-each>
- </xsl:with-param>
- </xsl:call-template>
- <xsl:text>)</xsl:text>
- </xsl:template>
-
- <!-- Catch invalid elements in expressions. -->
- <xsl:template match="*" mode="output-expression">
- <xsl:message terminate="yes">
- <xsl:text>Invalid element in expression: </xsl:text>
- <xsl:value-of select="name()" />
- </xsl:message>
- </xsl:template>
-
- <xsl:template match="field|exprfield">
- <xsl:param name="type-lengths" select="0" />
- <xsl:call-template name="type-and-name">
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- </xsl:call-template>
- </xsl:template>
-
- <xsl:template match="list[@fixed]">
- <xsl:param name="type-lengths" select="0" />
- <xsl:call-template name="type-and-name">
- <xsl:with-param name="type-lengths" select="$type-lengths" />
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- <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
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- 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($type, ' *')" />
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- <xsl:otherwise>
- <xsl:value-of select="$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>
diff --git a/libxcb/src/xcb.h b/libxcb/src/xcb.h
index f781e87f9..b1bab44da 100644
--- a/libxcb/src/xcb.h
+++ b/libxcb/src/xcb.h
@@ -272,6 +272,41 @@ xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c);
xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c);
/**
+ * @brief Returns the next event or error that precedes the given request.
+ * @param c: The connection to the X server.
+ * @param request: The limiting sequence number.
+ * @return The next event from the server.
+ *
+ * Returns the next event or error with a sequence number less than or
+ * equal to the given sequence number, or returns NULL if no such event can
+ * ever arrive. Blocks until either a suitable event or error arrive, or a
+ * response arrives that proves no such event is coming, or an I/O error
+ * occurs.
+ *
+ * After processing a request, the X server sends responses in a specific
+ * order. First come any events that the request generated, then any
+ * replies for the request, then the error response if there is one. After
+ * that, the server may spontaneously send more events with the same
+ * sequence number, which are not related to that request.
+ *
+ * This function will always return events from the pre-reply phase of the
+ * specified request. It may also return events from the unrelated
+ * post-reply stream, as long as they have the same sequence number.
+ *
+ * This function is useful for callers that need to process responses in
+ * wire-order.
+ *
+ * Implementation note: You cannot currently use this function to ensure
+ * that you process responses in exactly wire-order, because depending on
+ * the sequence of calls you make and the timing of server responses,
+ * post-reply events with the same sequence number may be returned as part
+ * of the pre-reply event stream, even though they were separated by a
+ * reply or error. In practice this kind of error is unlikely to matter,
+ * but it may be fixed in the future.
+ */
+xcb_generic_event_t *xcb_wait_for_event_until(xcb_connection_t *c, unsigned int request);
+
+/**
* @brief Return the error for a request, or NULL if none can ever arrive.
* @param c: The connection to the X server.
* @param cookie: The request cookie.
diff --git a/libxcb/src/xcb_in.c b/libxcb/src/xcb_in.c
index 0f13fa014..0a957a4b2 100644
--- a/libxcb/src/xcb_in.c
+++ b/libxcb/src/xcb_in.c
@@ -63,6 +63,7 @@
#endif
struct event_list {
+ uint64_t sequence;
xcb_generic_event_t *event;
struct event_list *next;
};
@@ -86,6 +87,17 @@ typedef struct reader_list {
struct reader_list *next;
} reader_list;
+static void remove_finished_readers(reader_list **prev_reader, uint64_t completed)
+{
+ while(*prev_reader && XCB_SEQUENCE_COMPARE((*prev_reader)->request, <=, completed))
+ {
+ /* If you don't have what you're looking for now, you never
+ * will. Wake up and leave me alone. */
+ pthread_cond_signal((*prev_reader)->data);
+ *prev_reader = (*prev_reader)->next;
+ }
+}
+
static int read_packet(xcb_connection_t *c)
{
xcb_generic_reply_t genrep;
@@ -120,7 +132,7 @@ static int read_packet(xcb_connection_t *c)
c->in.current_reply = 0;
c->in.current_reply_tail = &c->in.current_reply;
}
- c->in.request_completed = c->in.request_read - 1;
+ c->in.request_completed = c->in.event_responses_completed = c->in.request_read - 1;
}
while(c->in.pending_replies &&
@@ -135,7 +147,12 @@ static int read_packet(xcb_connection_t *c)
}
if(genrep.response_type == XCB_ERROR)
- c->in.request_completed = c->in.request_read;
+ c->in.request_completed = c->in.event_responses_completed = c->in.request_read;
+ else if(genrep.response_type == XCB_REPLY)
+ c->in.event_responses_completed = c->in.request_read;
+
+ remove_finished_readers(&c->in.readers, c->in.request_completed);
+ remove_finished_readers(&c->in.event_readers, c->in.event_responses_completed);
}
if(genrep.response_type == XCB_ERROR || genrep.response_type == XCB_REPLY)
@@ -200,7 +217,6 @@ static int read_packet(xcb_connection_t *c)
if( genrep.response_type == XCB_REPLY ||
(genrep.response_type == XCB_ERROR && pend && (pend->flags & XCB_REQUEST_CHECKED)))
{
- reader_list *reader;
struct reply_list *cur = malloc(sizeof(struct reply_list));
if(!cur)
{
@@ -212,17 +228,8 @@ static int read_packet(xcb_connection_t *c)
cur->next = 0;
*c->in.current_reply_tail = cur;
c->in.current_reply_tail = &cur->next;
- for(reader = c->in.readers;
- reader &&
- XCB_SEQUENCE_COMPARE(reader->request, <=, c->in.request_read);
- reader = reader->next)
- {
- pthread_cond_signal(reader->data);
- if(reader->request == c->in.request_read)
- {
- break;
- }
- }
+ if(c->in.readers && c->in.readers->request == c->in.request_read)
+ pthread_cond_signal(c->in.readers->data);
return 1;
}
@@ -234,11 +241,15 @@ static int read_packet(xcb_connection_t *c)
free(buf);
return 0;
}
+ event->sequence = c->in.request_read;
event->event = buf;
event->next = 0;
*c->in.events_tail = event;
c->in.events_tail = &event->next;
- pthread_cond_signal(&c->in.event_cond);
+ if(c->in.event_readers)
+ pthread_cond_signal(c->in.event_readers->data);
+ else
+ pthread_cond_signal(&c->in.event_cond);
return 1; /* I have something for you... */
}
@@ -362,6 +373,26 @@ static int poll_for_reply(xcb_connection_t *c, uint64_t request, void **reply, x
return 1;
}
+static void insert_reader(reader_list **prev_reader, reader_list *reader, uint64_t request, pthread_cond_t *cond)
+{
+ while(*prev_reader && XCB_SEQUENCE_COMPARE((*prev_reader)->request, <=, request))
+ prev_reader = &(*prev_reader)->next;
+ reader->request = request;
+ reader->data = cond;
+ reader->next = *prev_reader;
+ *prev_reader = reader;
+}
+
+static void remove_reader(reader_list **prev_reader, reader_list *reader)
+{
+ while(*prev_reader && XCB_SEQUENCE_COMPARE((*prev_reader)->request, <=, reader->request))
+ if(*prev_reader == reader)
+ {
+ *prev_reader = (*prev_reader)->next;
+ break;
+ }
+}
+
static void *wait_for_reply(xcb_connection_t *c, uint64_t request, xcb_generic_error_t **e)
{
void *ret = 0;
@@ -371,35 +402,14 @@ static void *wait_for_reply(xcb_connection_t *c, uint64_t request, xcb_generic_e
{
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
reader_list reader;
- reader_list **prev_reader;
-
- for(prev_reader = &c->in.readers;
- *prev_reader &&
- XCB_SEQUENCE_COMPARE((*prev_reader)->request, <=, request);
- prev_reader = &(*prev_reader)->next)
- {
- /* empty */;
- }
- reader.request = request;
- reader.data = &cond;
- reader.next = *prev_reader;
- *prev_reader = &reader;
+
+ insert_reader(&c->in.readers, &reader, request, &cond);
while(!poll_for_reply(c, request, &ret, e))
if(!_xcb_conn_wait(c, &cond, 0, 0))
break;
- for(prev_reader = &c->in.readers;
- *prev_reader &&
- XCB_SEQUENCE_COMPARE((*prev_reader)->request, <=, request);
- prev_reader = &(*prev_reader)->next)
- {
- if(*prev_reader == &reader)
- {
- *prev_reader = (*prev_reader)->next;
- break;
- }
- }
+ remove_reader(&c->in.readers, &reader);
pthread_cond_destroy(&cond);
}
@@ -546,6 +556,35 @@ xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c)
return ret;
}
+static xcb_generic_event_t *get_event_until(xcb_connection_t *c, uint64_t request)
+{
+ if(c->in.events && XCB_SEQUENCE_COMPARE(c->in.events->sequence, <=, request))
+ return get_event(c);
+ return 0;
+}
+
+xcb_generic_event_t *xcb_wait_for_event_until(xcb_connection_t *c, unsigned int request)
+{
+ pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+ reader_list reader;
+ xcb_generic_event_t *ret;
+ if(c->has_error)
+ return 0;
+ pthread_mutex_lock(&c->iolock);
+
+ insert_reader(&c->in.event_readers, &reader, widen(c, request), &cond);
+
+ while(!(ret = get_event_until(c, reader.request)) && XCB_SEQUENCE_COMPARE(c->in.event_responses_completed, <, reader.request))
+ if(!_xcb_conn_wait(c, &cond, 0, 0))
+ break;
+
+ remove_reader(&c->in.event_readers, &reader);
+ pthread_cond_destroy(&cond);
+ _xcb_in_wake_up_next_reader(c);
+ pthread_mutex_unlock(&c->iolock);
+ return ret;
+}
+
xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie)
{
uint64_t request;
@@ -616,6 +655,8 @@ void _xcb_in_wake_up_next_reader(xcb_connection_t *c)
int pthreadret;
if(c->in.readers)
pthreadret = pthread_cond_signal(c->in.readers->data);
+ else if(c->in.event_readers)
+ pthreadret = pthread_cond_signal(c->in.event_readers->data);
else
pthreadret = pthread_cond_signal(&c->in.event_cond);
assert(pthreadret == 0);
diff --git a/libxcb/src/xcbint.h b/libxcb/src/xcbint.h
index 5950823f0..d1f742104 100644
--- a/libxcb/src/xcbint.h
+++ b/libxcb/src/xcbint.h
@@ -121,6 +121,7 @@ typedef struct _xcb_in {
uint64_t request_expected;
uint64_t request_read;
+ uint64_t event_responses_completed;
uint64_t request_completed;
struct reply_list *current_reply;
struct reply_list **current_reply_tail;
@@ -129,6 +130,7 @@ typedef struct _xcb_in {
struct event_list *events;
struct event_list **events_tail;
struct reader_list *readers;
+ struct reader_list *event_readers;
struct pending_reply *pending_replies;
struct pending_reply **pending_replies_tail;