view docs/xslt/changes.xslt @ 4836:e368b822d034

Gzip static: "always" parameter in "gzip_static" directive. With "always" gzip static returns gzipped content in all cases, without checking if client supports it. It is useful if there are no uncompressed files on disk anyway.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 10 Sep 2012 16:48:25 +0000
parents 76bc29f06168
children db6d07dbef3c
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<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

   <xsl:output method="text"/>

   <xsl:param select="'en'" name="lang"/>

   <xsl:param select="'../xml/change_log_conf.xml'" name="configuration"/>

   <xsl:variable select="document($configuration)/configuration" name="conf"/>

   <xsl:variable select="$conf/start" name="start"/>

   <xsl:variable select="$conf/indent" name="indent"/>

   <xsl:variable select="$conf/length" name="max"/>

   <xsl:variable name="br">&lt;br&gt;</xsl:variable>

   <xsl:template match="/">
      <xsl:apply-templates select="change_log"/>
   </xsl:template>

   <xsl:template match="change_log">
      <xsl:apply-templates select="changes"/>
   </xsl:template>

   <xsl:template match="changes">

      <xsl:text>
</xsl:text>

      <xsl:value-of select="substring(concat($conf/changes[@lang=$lang]/title,                        //change_log/@title,                        ' ', @ver,                        '                                                    '),                 1, $conf/changes[@lang=$lang]/length)"/>

      <xsl:if test="$lang='ru'">
         <xsl:value-of select="@date"/>
      </xsl:if>

      <xsl:if test="$lang='en'">

         <xsl:value-of select="substring(@date, 1, 2)"/>

         <xsl:value-of select="$conf/changes[@lang=$lang]/month[number(substring(current()/@date,                                                             4, 2))]"/>

         <xsl:value-of select="substring(@date, 7, 4)"/>
      </xsl:if>

      <xsl:text>
</xsl:text>

      <xsl:apply-templates select="change"/>

      <xsl:text>
</xsl:text>
   </xsl:template>

   <xsl:template match="change">

      <xsl:variable select="$conf/changes[@lang=$lang]/*[local-name(.)=current()/@type]" name="prefix"/>

      <xsl:variable name="postfix">
         <xsl:if test="$prefix">
            <xsl:text>: </xsl:text>
         </xsl:if>
      </xsl:variable>

      <xsl:apply-templates select="para[@lang=$lang]">
         <xsl:with-param select="concat($start, $prefix, $postfix)" name="prefix"/>
      </xsl:apply-templates>
   </xsl:template>

   <xsl:template match="para" name="para">
      <xsl:param name="prefix"/>

      <xsl:variable name="text">
         <xsl:apply-templates/>
      </xsl:variable>

      <xsl:text>
</xsl:text>

      <xsl:call-template name="wrap">
         <xsl:with-param select="normalize-space($text)" name="text"/>
         <xsl:with-param name="prefix">
            <xsl:choose>

               <xsl:when test="position() = 1">
                  <xsl:value-of select="$prefix"/>
               </xsl:when>
               <xsl:otherwise>
                  <xsl:value-of select="$indent"/>
               </xsl:otherwise>
            </xsl:choose>
         </xsl:with-param>
      </xsl:call-template>
   </xsl:template>

   <xsl:template name="wrap">
      <xsl:param name="text"/>
      <xsl:param name="prefix"/>

      <xsl:if test="$text">

         <xsl:variable name="offset">

            <xsl:choose>
               <xsl:when test="starts-with($text, concat($br, ' '))">
                  <xsl:value-of select="string-length($br) + 2"/>
               </xsl:when>
               <xsl:when test="starts-with($text, $br)">
                  <xsl:value-of select="string-length($br) + 1"/>
               </xsl:when>
               <xsl:otherwise>
                    1</xsl:otherwise>
            </xsl:choose>
         </xsl:variable>

         <xsl:variable name="length">

            <xsl:call-template name="length">
               <xsl:with-param select="substring($text, $offset)" name="text"/>
               <xsl:with-param select="string-length($prefix)" name="prefix"/>
               <xsl:with-param select="$max" name="length"/>
            </xsl:call-template>
         </xsl:variable>

         <xsl:value-of select="$prefix"/>

         <xsl:value-of select="normalize-space(translate(substring($text, $offset, $length),                                     ' ', ' '))"/>

         <xsl:text>
</xsl:text>

         <xsl:call-template name="wrap">
            <xsl:with-param select="substring($text, $length + $offset)" name="text"/>
            <xsl:with-param select="$indent" name="prefix"/>
         </xsl:call-template>
      </xsl:if>
   </xsl:template>

   <xsl:template name="length">
      <xsl:param name="text"/>
      <xsl:param name="prefix"/>
      <xsl:param name="length"/>

      <xsl:variable select="substring-before(substring($text, 1,                                     $length - $prefix + string-length($br)),                                     $br)" name="break"/>

      <xsl:choose>
         <xsl:when test="$break">
            <xsl:value-of select="string-length($break)"/>
         </xsl:when>
         <xsl:when test="$length = 0">
            <xsl:value-of select="$max - $prefix"/>
         </xsl:when>
         <xsl:when test="string-length($text) + $prefix &lt;= $length">
            <xsl:value-of select="$length - $prefix"/>
         </xsl:when>
         <xsl:when test="substring($text, $length - $prefix + 1, 1) = ' '">
            <xsl:value-of select="$length - $prefix + 1"/>
         </xsl:when>
         <xsl:otherwise>

            <xsl:call-template name="length">
               <xsl:with-param select="$text" name="text"/>
               <xsl:with-param select="$prefix" name="prefix"/>
               <xsl:with-param select="$length - 1" name="length"/>
            </xsl:call-template>
         </xsl:otherwise>
      </xsl:choose>
   </xsl:template>

   <xsl:template match="at">@</xsl:template>

   <xsl:template match="br">
      <xsl:value-of select="$br"/>
   </xsl:template>

   <xsl:template match="nobr">
      <xsl:value-of select="translate(., ' ', ' ')"/>
   </xsl:template>

</xsl:stylesheet>