RE: [xsl] Another tokenize() question

["Michael Kay" <mhk@xxxxxxxxx>]

> <xsl:analyze-string regex="{[^{}]*}" select="$lines">

The regex should be written

regex = "[^{{}}]*"

No outer curlies, because this is an AVT attribute, and curlies are used to
enclose XPath expressions.

Similarly the inner curlies must be doubled to stop them being treated as
AVT curlies that introduce XPath expressions.

Michael Kay



> <xsl:matching-substring>
> <w><xsl:analyze-string regex="{([a-z]*) ([^{}])*}">
>                 <xsl:matching-substring>
>                 <xsl:element name="{regex-group(1)}">
>                  <xsl:value-of select="regex-group(2)"/>
>                 </xsl:element>
>                 </xsl:matching-substring>
>         <xsl:non-matching-substring>
>         <xsl:value-of select="."/>
>         </xsl:non-matching-substring>
> </xsl:analyze-string></w></xsl:matching-substring>
> <xsl:non-matching-substring><xsl:value-of 
> select="."/></xsl:non-matching-substring>
> </xsl:analyze-string>
> </xsl:template>
> ------------
> 
> Which I'm sure must be wrong because saxon gives me:
> ----------
> saxon -o temp2.xml temp.xml addwords2.xsl
> Error at xsl:analyze-string on line 29 of file: addwords2.xsl:
>   Invalid character '^' in expression
> Error at xsl:analyze-string on line 29 of file: addwords2.xsl:
>   Error in regular expression:
> net.sf.saxon.type.RegexTranslator$RegexSyntaxException: Error
>   at character 0 in regular expression: expected end of string
> Error at xsl:analyze-string on line 30 of file: addwords2.xsl:
>   Element must have a "select" attribute
> Error at xsl:analyze-string on line 30 of file: addwords2.xsl:
>   XPath syntax error in {{([a-z}:
>     Unexpected token "[" in path expression
> Error at xsl:analyze-string on line 30 of file: addwords2.xsl:
>   Error in regular expression:
> net.sf.saxon.type.RegexTranslator$RegexSyntaxException: Error
>   at character 0 in regular expression: expected end of string
> Transformation failed: Failed to compile stylesheet. 5 errors 
> detected.
> ----------
> 
> Which I'm sure I've created by not adding the regex properly
> in the word regex.  Should that be {\w+[^{}]*}  or something?
> 
> I've always had a difficult time with regular expressions...
> 
> -James
> ---
> Dr James Cummings, Oxford Text Archive, University of Oxford
> James dot Cummings at oucs dot ox dot ac dot uk 
> CALL FOR PAPERS: Digital Medievalism (Kalamazoo) and 
> Early Drama (Leeds) see http://users.ox.ac.uk/~jamesc/cfp.html