[oXygen-user] an xslt challenge

[Lou Burnard]

Thanks for v the quick reply james but doesnt your approach imply that the tokenisation into sentences has already been done? Im trying t o avoid a two pass solution as I expect to be doing this hundreds of times

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________________________________
From: James Cummings <james at blushingbunny.net>
Sent: Monday, November 5, 2018 1:10:02 PM
To: Lou Burnard
Cc: oxygen-user at oxygenxml.com
Subject: Re: [oXygen-user] an xslt challenge

Hi Lou,

Would it make sense to use xsl:for-each-group to group the sentences into <s> units to make this easier? Then I'd probably recursively call a template or function passing the current collection of <s> units as a variable item* value, testing if its tokenised number is above or below $maxWords.

Not got time to write that out as a solution atm, and I'm sure it can be done without the recursivity as well, but that is the approach that would have occurred to me at least.

-James


On Mon, 5 Nov 2018 at 12:03, Lou Burnard <lou.burnard at retired.ox.ac.uk<mailto:lou.burnard at retired.ox.ac.uk>> wrote:

I hope I am not abusing this list in asking occasionally for advice on the best way to hack something in xslt.

Today's problem is to output only the first x sentences (string terminated by a full stop) of a paragraph such that the total number of words (space delimited strings)  is less than some limit (call it $maxWords) Since the sentences are of variable length, obviously I don't know what x is.

Here's where I got to so far:

<xsl:template match="t:p">
        <xsl:variable name="pString">
            <xsl:value-of select="."/>
        </xsl:variable>
        <xsl:for-each select="tokenize($pString, '\.\s')">
            <xsl:variable name="seq">
                <xsl:value-of select="string(position())"/>
            </xsl:variable>
            <xsl:variable name="wordsSoFar">
                <xsl:value-of select="string-length(translate(normalize-space
                (preceding-sibling::text()), ' ', '')) + 1"/>
            </xsl:variable>
          <xsl:if test="$wordsSoFar < $maxWords">

            <s n="{$seq}">
                <xsl:value-of select="."/>
            </s>

          <xsl:if>

       </xsl:for-each>
    </xsl:template>

But this is not valid because preceding-sibling:: wants a node() not a string (even though "text()" *is* a node imho).

Am I going about this entirely the wrong way?




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