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<?xml version="1.0" encoding="utf-8"?>
<!--
svn2cl.xsl - xslt stylesheet for converting svn log to a normal
changelog
This file is based on several implementations of this conversion
that I was not completely happy with and some other common
xslt constructs found on the web.
Copyright (C) 2004 Arthur de Jong.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The name of the author may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-->
<!--
TODO
- make external lookups of author names possible
- find a place for revision numbers
- mark deleted files as such
- combine paths
- make stripping of characters nicer
-->
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns="http://www.w3.org/1999/xhtml">
<xsl:output
method="text"
encoding="iso-8859-15"
media-type="text/plain"
omit-xml-declaration="yes"
standalone="yes"
indent="no" />
<xsl:strip-space elements="*" />
<!-- the prefix of pathnames to strip -->
<xsl:param name="strip-prefix" select="'/'" />
<!-- format one entry from the log -->
<xsl:template match="logentry">
<!-- date -->
<xsl:apply-templates select="date" />
<!-- two spaces -->
<xsl:text> </xsl:text>
<!-- author's name -->
<xsl:apply-templates select="author" />
<!-- two newlines -->
<xsl:text>
</xsl:text>
<!-- the log message -->
<xsl:apply-templates select="msg" />
<!-- another two newlines -->
<xsl:text>
</xsl:text>
</xsl:template>
<!-- format date -->
<xsl:template match="date">
<xsl:variable name="date" select="normalize-space(.)" />
<xsl:value-of select="substring($date,1,10)" />
<xsl:text> </xsl:text>
<xsl:value-of select="substring($date,12,5)" />
</xsl:template>
<!-- format author -->
<xsl:template match="author">
<xsl:value-of select="normalize-space(.)" />
</xsl:template>
<!-- format log message -->
<xsl:template match="msg">
<!-- first line is indented (other indents are done in wrap template) -->
<xsl:text> * </xsl:text>
<!-- get paths string -->
<xsl:variable name="paths">
<xsl:apply-templates select="../paths" />
</xsl:variable>
<!-- print the paths and message nicely wrapped -->
<xsl:call-template name="wrap">
<xsl:with-param name="txt" select="concat($paths,': ',normalize-space(.))" />
</xsl:call-template>
</xsl:template>
<!-- present paths nice -->
<xsl:template match="paths">
<xsl:for-each select="path">
<xsl:sort select="normalize-space(.)" data-type="text" />
<xsl:if test="not(position()=1)">
<xsl:text>, </xsl:text>
</xsl:if>
<xsl:variable name="p1" select="normalize-space(.)" />
<xsl:variable name="p2">
<xsl:choose>
<xsl:when test="starts-with($p1,'/')">
<xsl:value-of select="substring($p1,2)" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$p1" />
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="p3">
<xsl:choose>
<xsl:when test="starts-with($p2,$strip-prefix)">
<xsl:value-of select="substring($p2,1+string-length($strip-prefix))" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$p2" />
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="p4">
<xsl:choose>
<xsl:when test="starts-with($p3,'/')">
<xsl:value-of select="substring($p3,2)" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$p3" />
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:choose>
<xsl:when test="$p4 = ''">
<xsl:value-of select="'.'" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$p4" />
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:template>
<!-- string-wrapping template -->
<xsl:template name="wrap">
<xsl:param name="txt" />
<xsl:variable name="linelen" select="67" />
<xsl:choose>
<xsl:when test="(string-length($txt) < $linelen) or not(contains($txt,' '))">
<!-- this is easy, nothing to do -->
<xsl:value-of select="$txt" />
</xsl:when>
<xsl:otherwise>
<!-- find the first line -->
<xsl:variable name="tmp" select="substring($txt,1,$linelen)" />
<xsl:variable name="line">
<xsl:choose>
<xsl:when test="contains($tmp,' ')">
<xsl:call-template name="find-line">
<xsl:with-param name="txt" select="$tmp" />
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="substring-before($txt,' ')" />
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- print line and newline -->
<xsl:value-of select="$line" />
<xsl:text>
</xsl:text>
<!-- wrap the rest of the text -->
<xsl:call-template name="wrap">
<xsl:with-param name="txt" select="normalize-space(substring($txt,string-length($line)+1))" />
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- template to trim line to contain space as last char -->
<xsl:template name="find-line">
<xsl:param name="txt" />
<xsl:choose>
<xsl:when test="substring($txt,string-length($txt),1) = ' '">
<xsl:value-of select="normalize-space($txt)" />
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="find-line">
<xsl:with-param name="txt" select="substring($txt,1,string-length($txt)-1)" />
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
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