Re: analyze-string question

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Subject: Re: analyze-string question
From: "Imsieke, Gerrit, le-tex" <gerrit.imsieke@xxxxxxxxx>
Date: Fri, 26 Oct 2012 09:17:05 +0200

On 2012-10-26 06:38, Birnbaum, David J wrote:

Dear XSLT-list,

For an up-conversion of a plain-text word-list with grammatical classification information to XML, I've been a file with lines like the following:

I hope you recovered from that condition (of being a file) ;)

DRUG<OJ MO <MS-P >

See a solution below that assumes that an alt group doesnt start with a vowel.

What if an alt group starts with a vowel?
DRUG<OJ MO <AS-P <P 3V>>

If your strategy was to nest first, no matter what comes after the first <, the result might be:

DRUG<alt>OJ MO <alt>AS-P </alt>

Starting from 5.10, Perl has some balanced text facilities: http://www.perlmonks.org/?node_id=660316

And maybe Dimitre Novatchevs LR parser (written in XSLT) might help.

Well, heres an outer-to-inner analyze-string solution that works for the test input, DRUG<OJ MO <MS-P >


<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns:my="my"
  version="2.0"
  exclude-result-prefixes="my xs"
  >

  <xsl:template match="p">
    <xsl:copy>
      <xsl:sequence select="my:wrap-nested(., '&lt;([^aeiou].+)&gt;')"/>
    </xsl:copy>
  </xsl:template>

<xsl:function name="my:wrap-nested" as="node()*"> <xsl:param name="string" as="xs:string" /> <xsl:param name="regex" as="xs:string" /> <xsl:analyze-string select="$string" regex="{$regex}" flags="i"> <xsl:matching-substring> <alt> <xsl:choose> <xsl:when test="matches($string, $regex)"> <xsl:sequence select="my:wrap-nested(regex-group(1), $regex)"/> </xsl:when> <xsl:otherwise> <xsl:sequence select="my:stress(.)"/> </xsl:otherwise> </xsl:choose> </alt> </xsl:matching-substring> <xsl:non-matching-substring> <xsl:sequence select="my:stress(.)"/> </xsl:non-matching-substring> </xsl:analyze-string> </xsl:function>

  <xsl:function name="my:stress" as="node()*">
    <xsl:param name="string" as="xs:string" />
    <xsl:analyze-string select="$string" regex="&lt;([aeiou])" flags="i">
      <xsl:matching-substring>
        <stress>
          <xsl:value-of select="regex-group(1)"/>
        </stress>
      </xsl:matching-substring>
      <xsl:non-matching-substring>
        <xsl:value-of select="."/>
      </xsl:non-matching-substring>
    </xsl:analyze-string>
  </xsl:function>

</xsl:stylesheet>

Gerrit

Current Thread
analyze-string question Birnbaum, David J - 26 Oct 2012 04:38:35 -0000 Michael Kay - 26 Oct 2012 07:12:36 -0000 Imsieke, Gerrit, le-tex - 26 Oct 2012 07:17:28 -0000 <= Wendell Piez - 29 Oct 2012 18:05:30 -0000 <Possible follow-ups> Birnbaum, David J - 27 Oct 2012 12:45:13 -0000 Imsieke, Gerrit, le-tex - 27 Oct 2012 13:28:47 -0000

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Re: analyze-string question, Michael Kay	Thread	Re: analyze-string question, Wendell Piez
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