RE: string question

> >From this xml (those IP persons might recognize this):
> <b310>08/773,384</b310>
>
> I need:
> PR_08/773,384 PR_08 PR_773 PR_384
>
> Basically, all punctuation (and spaces) are "segment"
> delimiters. Starting
> with entire content, each segment is then prefixed with PR_.

For this sort of tokenizing you need to write recursive templates.

Something like:

<xsl:template match="b310">
  <xsl:value-of select="concat('PR_', ., ' ')"/>
  <xsl:call-template name="do-segments"/>
    <xsl:with-param name="s" select="concat(normalize-space(
                    translate('/_:;,~', '       ')), ' ')"/>
  </xsl:call-template>
</xsl:template>

<xsl:template name="do-segments">
  <xsl:param name="s"/>
  <xsl:if test="$s">
    <xsl:value-of select="concat('PR_', substring-before(.,' '), ' ')"/>
    <xsl:call-template name="do-segments"/>
      <xsl:with-param name="s" select="substring-after(.,' ')"/>
    </xsl:call-template>
  </xsl:if>
</xsl:template>

What this does is first, to replace all delimiters by single spaces and add
a single trailing space. Then call a template that outputs the first token,
and calls itself to to process any remaining tokens, terminating when
supplied with an empty string.

If you're in a hurry, some processors have an extension function such as
saxon:tokenize().

Mike Kay


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