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Re: [xsl] Question about variable-field lookup tables


Subject: Re: [xsl] Question about variable-field lookup tables
From: Mir Farooq Ali <miali@xxxxxxxxx>
Date: Tue, 13 Jan 2004 21:59:10 -0500

G. Ken Holman wrote:

> At 2004-01-12 11:41 -0500, Mir Farooq Ali wrote:
>
>> I need some help with a particular problem I'm trying to solve. I need to
>> transform an xml document that is based partially on information that is
>> extracted from another xml file whose purpose is to act like a lookup
>> table.
>
>
> Sounds like all you need to do is change your context ... you don't
> describe the meaning of all your markup, but I hope the following helps.
>
> .................... Ken
>
> T:\ftemp>type ali-lookup.xml
> <AB>
> <TC name="a">
> <TTM type="b">
> <UCM preference="1">
> <UC>S</UC>
> <UPS>
> <pa prefnum="1">
> <XXXX>
> <YYYY/>
> <ZZZZ/>
> </XXXX>
> </pa>
> <pa prefnum="2">
> <WWWW/>
> </pa>
> </UPS>
> </UCM>
> </TTM>
> </TC>
> ...
> </AB>
>
> T:\ftemp>type ali.xml
> <TM>
> <T id="something" TC="a">
> <Type>b</Type>
> <Prefs>
> <UC>S</UC>
> <UPS>1</UPS>
> </Prefs>
> </T>
> <T id="something" TC="a">
> <Type>b</Type>
> <Prefs>
> <UC>S</UC>
> <UPS>2</UPS>
> </Prefs>
> </T>
> ...
> </TM>
>
> T:\ftemp>type ali.xsl
> <?xml version="1.0" encoding="iso-8859-1"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> version="1.0">
>
> <xsl:output indent="yes"/>
>
> <xsl:template match="T">
> <xsl:variable name="tc" select="@TC"/>
> <xsl:variable name="ttm" select="Type"/>
> <xsl:variable name="uc" select="Prefs/UC"/>
> <xsl:variable name="ups" select="Prefs/UPS"/>
> <xsl:for-each select="document('ali-lookup.xml')">
> <xsl:apply-templates mode="modify"
> select="/AB/TC[@name=$tc]/TTM[@type=$ttm]/
> UCM[UC=$uc]/UPS/pa[@prefnum=$ups]/*"/>
> </xsl:for-each>
> </xsl:template>
>
> <xsl:template match="@*|node()">
> <xsl:copy>
> <xsl:apply-templates select="@*|node()"/>
> </xsl:copy>
> </xsl:template>
>
> <xsl:template match="*" mode="modify" priority="2">
> <p c="{name(.)}">
> <xsl:apply-templates mode="modify"/>
> </p>
> </xsl:template>
>
> <xsl:template match="@*|node()" mode="modify">
> <xsl:copy>
> <xsl:apply-templates select="@*|node()"/>
> </xsl:copy>
> </xsl:template>
>
> </xsl:stylesheet>
>
> T:\ftemp>saxon ali.xml ali.xsl
> <?xml version="1.0" encoding="utf-8"?>
> <TM>
>
> <p c="XXXX">
>
> <p c="YYYY"/>
>
> <p c="ZZZZ"/>
>
> </p>
>
> <p c="WWWW"/>
> ...
> </TM>
> T:\ftemp>rem
>
>
>
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>


Thank you Ken and David for your replies. Your suggestions worked well.

Regarding the context of my application, the XML file that needs to be transformed represents an abstract model that is converted to a more concrete representation of an user interface.

Thanks,

-Farooq.
--
Mir Farooq Ali

Computer Science, Virginia Tech,
Email: miali@xxxxxxxxx
Web: http://purl.org/net/farooq
--------------------------------------------
(c) 2004 Mir Farooq Ali  All rights reserved
--------------------------------------------



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