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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: namespace
 http://www.rpbourret.com/xml/NamespacesFAQ.htm#q1_1
and here is an excellant more concise overview
cheers, jim fuller
----- Original Message -----
From: "cutlass" <cutlass@xxxxxxxxxxx>
To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
Cc: <arsal01@xxxxxxxxxxx>
Sent: Tuesday, July 24, 2001 10:06 AM
Subject: Re: namespace
> in their simplest incarnation namespaces allow mixing of xml vocabularies,
> since XSLT is itself an xml vocabulary with its own namespace (xsl: is the
> prefix
>
> here is an example with plain xml below;
>
> <aaa xmlns="http://test.org/test>" xmlns:testprefix =
> "http://test.org/anothertest">
>
> <testprefix:bbb></testprefix:bbb>
>
> </aaa>
>
> defines the base namespace ( ie; no prefix ) as http://test.org/test, the
> xmlns:testprefix defines another namespace, so we have mixing, why is this
> useful ?
>
> lets look at a more complicated cutdown xslt example ( u can see the whole
> template at http://www.exslt.org/str/functions/replace/index.html)
>
> <?xml version="1.0"?>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:str="http://exslt.org/strings"
> xmlns:exsl="http://exslt.org/common"
> extension-element-prefixes="str exsl">
>
> <xsl:template name="/">
>
> </xsl:template>
>
> </xsl:stylesheet>
>
> with this the namespace with the prefix xsl: is our XSLT namespace
> the others are namespaces used with the exslt effort.
>
> namespaces are an efficient method for mixing vocabularies, ie i could
> extract the value of elements with only a specific namespace.
>
> namespaces are also used for binding functionality,
>
> for example ( taken from http://www.dpawson.co.uk/xsl/sect4/N9723.html);
> <?xml version="1.0" ?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:j="http://icl.com/java.util.Random"
> exclude-result-prefixes="j"
> version="1.0">
>
> <xsl:output method="html" indent="yes"/>
>
> <xsl:template match="/brands">
>
> <html>
> <head>
> <title>Random</title>
> </head>
> <body>
> <xsl:variable name="cars" select="count(car)"/>
> There are <xsl:value-of select="$cars" /> car brands in the list.<br />
> <br />
> <xsl:variable name="R" select="j:new()" />
> <xsl:variable name="r" select="ceiling(count(car) * j:nextDouble($R))"
/>
> Selected car brand is: <xsl:value-of select="car[$r]" />
> </body>
> </html>
> </xsl:template>
> </xsl:stylesheet>
>
> this namespace generates a random number by using, this isnt done by
magic,
> the parser ( in this case using a java function ) has to be able to get to
> the java function.
>
> here is another example
> (http://www.exslt.org/math/functions/asin/index.html) which illustrates
this
> function binding to microsoft javascript ( notice the xmlns:msxsl=
> definition ).
>
> <?xml version='1.0'?>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:msxsl="urn:schemas-microsoft-com:xslt"
> xmlns:math="http://exslt.org/math"
> extension-element-prefixes="math msxsl">
>
> <msxsl:script language="JavaScript" implements-prefix="math">
> <![CDATA[
> function asin(arg){ return Math.asin(arg);}
> ]]>
> </msxsl:script>
>
> </xsl:stylesheet>
>
>
> ---------------------------------------------------------------
>
> to answer your question there is no default namespace with xml, except
those
> that you define.
>
> here is the SOAP spec, you will notice that there are a few SOAP
namespaces,
> though if i had to give an answer here it is
> xmlns:SOAP-ENV=http://schemas.xmlsoap.org/soap/envelope/
>
>
> http://www.w3.org/TR/SOAP/
> here is a soap FAQ
> http://www.develop.com/soap/soapfaq.htm#28
> some illustrating links
> http://www.zvon.org/xxl/NamespaceTutorial/Output/index.html
>
> http://www.dpawson.co.uk/xsl/sect2/N5536.html#d162e21
>
> cheers, jim fuller
>
>
>
> ----- Original Message -----
> From: "Lodhi, arsalan" <arsal01@xxxxxxxxxxx>
> To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
> Cc: <arsal01@xxxxxxxxxxx>
> Sent: Tuesday, July 24, 2001 6:12 AM
> Subject: namespace
>
>
> > Hi,
> >
> > I've a very simple and basic question. What is actually a namespace that
> we
> > use in xml and soap - what is its role ?
> >
> > arsalan
> >
> >
> > _________________________________________________________________
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> >
> >
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> >
>
>
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>
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