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apache/docs/manual/style/xsl/quickreference.xsl
Christophe Jaillet 99a954ba31 Quireference extract the default value of a directive from the <default> of the corresponding <directivesynopsis> block.
The current implementation  expects <default> to be formated like:
directive_name default_value

If the directive name is not there, no default value can be extracted and it is missing in the quickreference table.

This commit adds a basic check to see if the formating looks correct. It catches cases where the directive name is  omited or is misspelled.

If it generates too much noise, feel free to revert or improve :)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1852285 13f79535-47bb-0310-9956-ffa450edef68
2019-01-27 13:49:29 +00:00

419 lines
17 KiB
XML

<?xml version="1.0"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!DOCTYPE xsl:stylesheet [
<!ENTITY lf SYSTEM "util/lf.xml">
]>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns="http://www.w3.org/1999/xhtml">
<!-- ==================================================================== -->
<!-- <quickreference> -->
<!-- Builds the directive quickreference page -->
<!-- ==================================================================== -->
<xsl:template match="quickreference">
<html xml:lang="{$doclang}" lang="{$doclang}">
<xsl:call-template name="head"/>&lf;
<body id="directive-index">&lf;
<xsl:call-template name="top"/>&lf;
<xsl:call-template name="retired" />
<div id="preamble">
<h1>
<xsl:value-of select="title" />
</h1>&lf;
<xsl:call-template name="langavail" />&lf;
<xsl:apply-templates select="summary" />
</div>&lf; <!-- /#preamble -->
<div id="directive-ref">
<xsl:variable name="directives"
select="document(document(document(
document($allmodules)/modulefilelist/modulefile
)/*/@metafile)/metafile/@reference)
/modulesynopsis/directivesynopsis[not(@location)]" />
<xsl:variable name="modules"
select="document(
document($allmodules)/modulefilelist/modulefile
)/modulesynopsis" />
<xsl:variable name="start-letters">
<xsl:call-template name="directive-startletters">
<xsl:with-param name="directives" select="$directives" />
</xsl:call-template>
</xsl:variable>
<table id="legend">&lf;
<tr>
<td class="letters">
<span>
<xsl:call-template name="letter-bar">
<xsl:with-param name="letters"
select="$start-letters" />
<xsl:with-param name="first" select="true()" />
</xsl:call-template>
</span>
</td>&lf;
<td>
<table>
<tr>
<th>
<xsl:value-of
select="$message[@id='serverconfig']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='serverconfig']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='virtualhost']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='virtualhost']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='directory']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='directory']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='htaccess']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='htaccess']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='proxy']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='proxy']"/>
</td>
</tr>&lf;
</table>
</td>&lf;
<td>
<table>
<tr>
<th>
<xsl:value-of
select="$message[@id='core']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='core']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='mpm']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='mpm']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='base']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='base']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='extension']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='extension']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='experimental']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='experimental']"/>
</td>
</tr>&lf;
<tr>
<th>
<xsl:value-of
select="$message[@id='external']/@letter"/>
</th>
<td>
<xsl:value-of
select="$message[@id='external']"/>
</td>
</tr>&lf;
</table>
</td>
</tr>&lf;
</table>&lf;
<table class="qref">&lf;
<xsl:call-template name="reference-of-letter">
<xsl:with-param name="letters-todo" select="$start-letters" />
<xsl:with-param name="offset" select="number(0)" />
<xsl:with-param name="directives" select="$directives" />
<xsl:with-param name="modules" select="$modules" />
</xsl:call-template>
</table>
</div>&lf; <!-- /#directive-ref -->
<xsl:call-template name="bottom"/>&lf;
</body>
</html>
</xsl:template>
<!-- /quickreference -->
<!-- ==================================================================== -->
<!-- the working horse. builds rows of all directives starting with one -->
<!-- letter when done, it calls itself to catch the next letter -->
<!-- ==================================================================== -->
<xsl:template name="reference-of-letter">
<xsl:param name="letters-todo" />
<xsl:param name="offset" />
<xsl:param name="directives" />
<xsl:param name="modules" />
<xsl:variable name="letter" select="substring($letters-todo, 1, 1)" />
<xsl:for-each
select="$directives[$letter=translate(substring(normalize-space(name), 1,1),
$lowercase,$uppercase)]">
<xsl:sort select="name" />
<xsl:sort select="../name" /> <!-- in case of duplicate directives -->
<xsl:choose>
<xsl:when test="$modules[name=current()/../name]
/directivesynopsis[name=current()/name]">
<xsl:call-template name="reference-of-letter-loop">
<xsl:with-param name="letter" select="$letter" />
<xsl:with-param name="directive"
select="$modules[name=current()/../name]
/directivesynopsis[name=current()/name]" />
<xsl:with-param name="offset" select="$offset" />
<xsl:with-param name="position" select="position()" />
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="reference-of-letter-loop">
<xsl:with-param name="letter" select="$letter" />
<xsl:with-param name="directive" select="." />
<xsl:with-param name="offset" select="$offset" />
<xsl:with-param name="position" select="position()" />
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each> <!-- /directives -->
<!-- call next letter, if there is -->
<xsl:if test="string-length($letters-todo) &gt; 1">
<xsl:call-template name="reference-of-letter">
<xsl:with-param name="letters-todo"
select="substring($letters-todo, 2)" />
<xsl:with-param name="offset"
select="(count($directives[$letter=translate(substring(
normalize-space(name), 1, 1),
$lowercase, $uppercase)])
+ $offset) mod 2" />
<xsl:with-param name="directives" select="$directives" />
<xsl:with-param name="modules" select="$modules" />
</xsl:call-template>
</xsl:if>
</xsl:template>
<!-- /reference-of-letter -->
<xsl:template name="reference-of-letter-loop">
<xsl:param name="directive" />
<xsl:param name="letter" />
<xsl:param name="offset" />
<xsl:param name="position" />
<tr>
<xsl:if test="$position mod 2 = $offset">
<xsl:attribute name="class">odd</xsl:attribute>
</xsl:if>
<td>
<a href="{$directive/../name}.html#{
translate($directive/name, $uppercase, $lowercase)}">
<xsl:if test="$position = 1">
<xsl:attribute name="id">
<xsl:value-of select="$letter" />
</xsl:attribute>
<xsl:attribute name="name">
<xsl:value-of select="$letter" />
</xsl:attribute>
</xsl:if>
<xsl:apply-templates select="$directive/syntax" />
</a>
</td>
<!-- if the default value contains (at least) one <br />, -->
<!-- this probably means that a short explanation follows -->
<!-- the actual default value. We cut off the string -->
<!-- after the <br /> so it will not be shown here. -->
<!-- (add the + character instead) -->
<xsl:variable name="default">
<xsl:choose>
<xsl:when test="count($directive/default[count(br) &gt; 0])
&gt; 0">
<xsl:value-of
select="$directive/default/child::node()
[count(preceding-sibling::*) = 0]" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$directive/default"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- Check if the default string really starts with the directive -->
<!-- name, in order to avoid typo, or unexpected formatting. -->
<!-- Below, we skip the directive name, so, for it to work, it -->
<!-- must be there. -->
<xsl:if test="string-length($default) &gt; 0
and substring-before($default, ' ') != name">
<xsl:message>Spurious default string: <xsl:value-of select="$default"/> (Directive <xsl:value-of select="name"/> omitted or misspelled)</xsl:message>
</xsl:if>
<!-- Now. If the default output is empty, the xslt processor emits -->
<!-- <td />. In order to avoid this, we simply emit <td></td> -->
<!-- by ourselves. Crap. -->
<xsl:choose>
<xsl:when test="not(substring(substring-after(
concat($default, ' '), name),1,20) = '')">
<td>
<xsl:value-of select="substring(substring-after(concat($default,
' '), name),1,20)" />
<xsl:if test="string-length(substring-after(concat($default, ' '),
name)) &gt; 20
or count($directive/default[count(br) &gt; 0])
&gt; 0">
<xsl:text> +</xsl:text>
</xsl:if>
</td>
</xsl:when>
<xsl:otherwise>
<xsl:text disable-output-escaping="yes">&lt;td>&lt;/td></xsl:text>
</xsl:otherwise>
</xsl:choose>
<td>
<xsl:if test="$directive/contextlist/context
[normalize-space(.)='server config']">
<xsl:value-of select="$message[@id='serverconfig']/@letter"/>
</xsl:if>
<xsl:if test="$directive/contextlist/context
[normalize-space(.)='virtual host']">
<xsl:value-of select="$message[@id='virtualhost']/@letter"/>
</xsl:if>
<xsl:if test="$directive/contextlist/context
[normalize-space(.)='directory']">
<xsl:value-of select="$message[@id='directory']/@letter"/>
</xsl:if>
<xsl:if test="$directive/contextlist/context
[normalize-space(.)='.htaccess']">
<xsl:value-of select="$message[@id='htaccess']/@letter"/>
</xsl:if>
<xsl:if test="$directive/contextlist/context
[normalize-space(.)='proxy section']">
<xsl:value-of select="$message[@id='proxy']/@letter"/>
</xsl:if>
</td>
<td>
<xsl:choose>
<xsl:when test="$directive/../status='External'">
<xsl:choose>
<xsl:when test="$directive/../status/@href">
<a href="{$directive/../status/@href}">
<xsl:value-of
select="$message[@id='external']/@letter"/>
</a>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$message[@id='external']/@letter"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="status" select="translate(
$directive/../status, $uppercase, $lowercase)"/>
<xsl:value-of select="$message[@id=$status]/@letter"/>
</xsl:otherwise>
</xsl:choose>
</td>
</tr>
<tr>
<xsl:if test="$position mod 2 = $offset">
<xsl:attribute name="class">odd</xsl:attribute>
</xsl:if>
<td colspan="4" class="descr">
<xsl:choose>
<xsl:when test="string-length(normalize-space(
$directive/description)) &gt; 0">
<xsl:apply-templates select="$directive/description" />
</xsl:when>
<xsl:otherwise>
<xsl:text>-</xsl:text>
</xsl:otherwise>
</xsl:choose>
</td>
</tr>&lf;
</xsl:template>
</xsl:stylesheet>