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Re: Implementation Advice: Grouping Strings by Charact

Subject: Re: Implementation Advice: Grouping Strings by Character Range in XSLT 2
From: "Eliot Kimber ekimber@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 29 Apr 2016 16:54:26 -0000
Re:  Implementation Advice: Grouping Strings by Charact

I see how that can work.


Eliot Kimber, Owner
Contrext, LLC

On 4/29/16, 11:38 AM, "Dimitre Novatchev dnovatchev@xxxxxxxxx"
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

>I am at work and don't have the time for a complete/tested
>implementation, but one can use the function string-to-codepoints()
>and then perform on the result:
><xsl:for-each-group select="$theCodepoints"
> . . . . . . . .
>On Fri, Apr 29, 2016 at 8:04 AM, Eliot Kimber ekimber@xxxxxxxxxxxx
><xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>> Using XSLT 2, I have a requirement to take text and group contiguous
>> sequences of characters in markup according to a given character range
>> characters are in. This is to support the application of range-specific
>> fonts to text in HTML.
>> I have a static definition of the character ranges for a given national
>> language and there shouldn't be any overlap between ranges. Given this
>> static definition, I'm generating XSLT code to operate on text nodes in
>> order to apply the range markup. The
>> For example, given the text string "abcdefg" where range "R1" is "cde"
>> R2 is "g", the marked up result should be: abc<span
>> class="R1">cde</span>f<span class="R2">g</span>
>> My initial approach is to generate a template that takes the current
>> language and the text node and then applies templates in a
>> language-specific mode.
>> For each language I'm then generating a template to do the range
>> My question, once I'm in a language-specific template for a text node,
>> what is the most efficient and/or easiest to code way to map the string
>> ranges? Since I'm generating the code it doesn't have to be concise.
>> I'm thinking along the lines of using analyze-string to match on any of
>> the groups and then within the matching-substring clause have a choice
>> group to determine which range actually matched. But it feels like I'm
>> missing a more elegant way to determine the actual range.
>> Or maybe there's a clearer/simpler/more efficient way using tail
>> Thanks,
>> Eliot
>> ----
>> Eliot Kimber, Owner
>> Contrext, LLC
>> http://contrext.com
>Dimitre Novatchev
>Truly great madness cannot be achieved without significant intelligence.
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>To avoid situations in which you might make mistakes may be the
>biggest mistake of all
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>you're doing is work or play
>To achieve the impossible dream, try going to sleep.
>Facts do not cease to exist because they are ignored.
>Typing monkeys will write all Shakespeare's works in 200yrs.Will they
>write all patents, too? :)
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