XSLT Cookbook

Wrapping Text to a Specified Width and Alignment

Problem

You want to format multilined text within an XML document into a fixed-width-aligned format, insuring that lines wrap at word boundaries.

Solution

Here is a solution that handles both wrapping and alignment by reusing the text:justify template constructed in Recipe 5.3. For added flexibility, you can allow the alignment width to be specified separately from wrapping width, but default to it when unspecified:

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" id="text.wrap" xmlns:str="http://www.ora.com/XSLTCookbook/namespaces/strings" xmlns:text="http://www.ora.com/XSLTCookbook/namespaces/text" exclude-result-prefixes="text"> <xsl:include href="../strings/str.find-last.xslt"/> <xsl:include href="text.justify.xslt"/> <xsl:template match="node( ) | @*" mode="text:wrap" name="text:wrap"> <xsl:param name="input" select="normalize-space( )"/> <xsl:param name="width" select="70"/> <xsl:param name="align-width" select="$width"/> <xsl:param name="align" select=" 'left' "/> <xsl:if test="$input"> <xsl:variable name="line"> <xsl:choose> <xsl:when test="string-length($input) > $width"> <xsl:call-template name="str:substring-before-last"> <xsl:with-param name="input" select="substring($input,1,$width)"/> <xsl:with-param name="substr" select=" ' ' "/> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:value-of select="$input"/> </xsl:otherwise> </xsl:choose> </xsl:variable> <xsl:if test="$line"> <xsl:call-template ...