| <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> |
| |
| <!-- |
| This stylesheet was taken from the XSLT FAQ http://www.dpawson.co.uk/xsl/ |
| |
| Comments and adaption to be used without normalize-space() |
| by Nicola Ken Barozzi nicolaken@apache.org |
| --> |
| |
| <!-- |
| Input: |
| |
| <doc> |
| |
| <para> |
| 123456 2345 343434 545454 43434 343 |
| 12345 343434 545454 43434 343 |
| 32345645 343434 545454 43434 343 |
| 3422222225 343434 545454 43434 343 |
| llllllllllllllllllllllooooooooooooooonnnnnnnnnnnggggggggg |
| 345 343434 545454 43434 343 |
| </para> |
| |
| </doc> |
| |
| Output: |
| |
| <HTML> |
| <BODY> |
| <PRE>123456 2345 343434 545454 |
| 43434 343 12345 343434 545454 |
| 43434 343 32345645 343434 |
| 545454 43434 343 3422222225 |
| 343434 545454 43434 343 |
| lllllllllllllllllllllloooooooo |
| ooooooonnnnnnnnnnnggggggggg |
| 345 343434 545454 43434 |
| 343 |
| </PRE> |
| </BODY> |
| </HTML> |
| |
| Fragment ised: |
| |
| <xsl:template match="/doc"> |
| <HTML><BODY><PRE> |
| <xsl:call-template name="format"> |
| <xsl:with-param select="normalize-space(para)" name="txt" /> |
| <xsl:with-param name="width">30</xsl:with-param> |
| </xsl:call-template> |
| </PRE></BODY></HTML> |
| </xsl:template> |
| |
| |
| --> |
| |
| <xsl:template match="/body"> |
| <body> |
| <xsl:call-template name="format"> |
| <xsl:with-param select="source" name="txt" /> |
| <xsl:with-param name="width">40</xsl:with-param> |
| </xsl:call-template> |
| </body> |
| </xsl:template> |
| |
| <xsl:template name="format"> |
| <xsl:param name="txt" /> |
| <xsl:param name="width" /> |
| |
| <!-- if there is still text left --> |
| <xsl:if test="$txt"> |
| |
| <xsl:variable name = "pretxt" select = "substring($txt,0, $width)" /> |
| |
| <xsl:choose> |
| <xsl:when test="contains($pretxt, '
')"> |
| <xsl:value-of select="substring-before($pretxt, '
')"/> |
| <xsl:text>
</xsl:text> |
| <xsl:call-template name="format"> |
| <xsl:with-param name="txt" select="substring-after($txt,'
')"/> |
| <xsl:with-param select="$width" name="width" /> |
| </xsl:call-template> |
| </xsl:when> |
| |
| <xsl:otherwise> |
| <!-- get the width at which to break--> |
| <xsl:variable name="real-width"> |
| <xsl:call-template name="tune-width"> |
| <xsl:with-param select="$txt" name="txt" /> |
| <xsl:with-param select="$width" name="width" /> |
| <xsl:with-param select="$width" name="def" /> |
| </xsl:call-template> |
| </xsl:variable> |
| |
| <!-- output the first part of the broken string --> |
| <xsl:value-of select="substring($txt, 1, $real-width)" /> |
| |
| <!-- output a newline --> |
| <xsl:text>
</xsl:text> |
| |
| <!-- call itself with the remaining part of the text --> |
| <xsl:call-template name="format"> |
| <xsl:with-param select="substring($txt,$real-width + 1)" name="txt" /> |
| <xsl:with-param select="$width" name="width" /> |
| </xsl:call-template> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:if> |
| </xsl:template> |
| |
| |
| <!-- used by template "format", it calculates the width at the given def |
| |
| It starts at def length and comes back till it finds a space --> |
| <xsl:template name="tune-width"> |
| <xsl:param name="txt" /> |
| <xsl:param name="width" /> |
| <xsl:param name="def" /> |
| |
| <xsl:choose> |
| <xsl:when test="$width = 0"> |
| <xsl:value-of select="$def" /> |
| </xsl:when> |
| |
| <xsl:when test="substring($txt, $width, 1 ) = ' '"> |
| <xsl:value-of select="$width" /> |
| </xsl:when> |
| |
| <xsl:otherwise> |
| <!-- otherwise need to tune again, trying with $width - 1 --> |
| <xsl:call-template name="tune-width"> |
| <xsl:with-param select="$width - 1" name="width" /> |
| <xsl:with-param select="$txt" name="txt" /> |
| <xsl:with-param select="$def" name="def" /> |
| </xsl:call-template> |
| </xsl:otherwise> |
| </xsl:choose> |
| |
| </xsl:template> |
| |
| </xsl:stylesheet> |
