Re: [xsl] Calculate the average line length within variable name="lines" as="element()*" not including the last line

[Alex Muir <alex.g.muir@xxxxxxxxx>]

Sorry I had shortened the variable name for the post but clearly not
in the error message which should have read

 Description: An empty sequence is not allowed as the value of variable
$averageLineLength

On Mon, Apr 12, 2010 at 9:57 AM, Martin Honnen <Martin.Honnen@xxxxxx> wrote:
> Alex Muir wrote:
>
>> B <xsl:variable name="lines" as="element()*">
>> B  B  B <xsl:analyze-string select="text()" regex="`8">
>> B  B  B  B <xsl:non-matching-substring>
>> B  B  B  B  B <xsl:element name="line">
>> B  B  B  B  B  B <xsl:attribute name="length"
>> select="string-length(normalize-space(.))"/>
>> B  B  B  B  B  B <xsl:attribute name="text" select="."/>
>> B  B  B  B  B </xsl:element>
>> B  B  B  B </xsl:non-matching-substring>
>> B  B  B </xsl:analyze-string>
>> B  B </xsl:variable>
>>
>> I can get the average like so including the last line
>>
>> <xsl:variable name="averageLineLength"
>> B  B  B  B  B select="round(avg($lines/@length))" as="xs:double"/>
>>
>> I can get the last line length without error
>>
>> <xsl:variable name="averageLineLength"
>> B  B  B  B  B select="round(avg($lines[last()]/@length))" as="xs:double"/>
>>
>>
>> However in the case where my number lines is greater than 2 <xsl:when
>> test="$numberLines ge 2"> I don't want to include the last line as
>> part of my count and was trying the following
>>
>> <xsl:variable name="averageLineLength"
>>
>> B select="round(avg($lines[last()]/preceding-sibling::node()/@length))"
>> as="xs:double"/>
>>
>>
>> Which gives me the error:
>>
>> Description: An empty sequence is not allowed as the value of variable
>> $averageSpaceNormalizedLineLength
>
> I don't see any code with a variable named
> "averageSpaceNormalizedLineLength" in your snippets above so it seems as if
> you have not posted the relevant code.
>
> --
>
> B  B  B  B Martin Honnen
> B  B  B  B http://msmvps.com/blogs/martin_honnen/
>
>



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