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- To: Michael Kay <mike@saxonica.com>
- Subject: Re: [xml-dev] RE: description of the logical or semantic structure
- From: Philippe Poulard <Philippe.Poulard@sophia.inria.fr>
- Date: Wed, 02 Nov 2005 17:23:48 +0100
- Cc: "'ludger goeke'" <ludgergoeke@gmx.de>, xml-dev@lists.xml.org
- In-reply-to: <200511021504.jA2F4jvZ004383@sophia.inria.fr>
- References: <200511021504.jA2F4jvZ004383@sophia.inria.fr>
- User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050511
Michael Kay wrote:
>><Person>
>> <Name>Peter Smith</Name>
>> <Age>56</Age>
>></Person>
>>
>>
>>Does the markup describes the content for example "Peter Smith" in a
>>semantic way, that means does it describes that
>>the content "Peter Smith" has the semantic of a name
>
>
> No, the tags in your markup are arbitrary strings. It's your description of
> the markup "When I say Name, I mean personal name" that conveys the
> semantics. There's arguably a default description "When I use a tag that's
> an English word, I use it with the same meaning as that English word", but
> that's still something that's external to the XML document itself. The tags
> have no meaning without an external explanation of their intent and usage.
> Without that explanation, the above XML fragment could mean "Launch an
> attack on Cuba NOW!".
>
> Michael Kay
>
there exists an application that does it exactly like this :)
------------- secret-message.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml-stylesheet type="text/xsl" href="decoder.xsl"?>
<Person>
<Name>Peter Smith</Name>
<Age>56</Age>
</Person>
------------- decoder.xsl :
<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:cn="http://my.ennemies.com";
xmlns:date="http://www.dates.org";
>
<cn:ennemies>
<cn:ennemy>North Korea</cn:ennemy>
<cn:ennemy>France</cn:ennemy>
<cn:ennemy>Irak</cn:ennemy>
<cn:ennemy>Iran</cn:ennemy>
<cn:ennemy>Cuba</cn:ennemy>
</cn:ennemies>
<date:dates>
<date:when>Tomorrow</date:when>
<date:when>Next monday</date:when>
<date:when>At christmas</date:when>
<date:when>The next 14th of july</date:when>
<date:when>Yesterday ?</date:when>
<date:when>NOW!</date:when>
</date:dates>
<xsl:strip-space elements="*"/>
<xsl:template match="/">
<html>
<body>
<h1><xsl:apply-templates/></h1>
</body>
</html>
</xsl:template>
<xsl:template match="*">
<xsl:variable name="alternate">
<xsl:choose>
<xsl:when test="contains( name(), 'm' )"><xsl:text>
</xsl:text></xsl:when>
<xsl:otherwise>a</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:value-of select="translate( name(), 'emnNoPrs', concat(
$alternate, 'nh cLun' ) )"/>
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="Age">
<xsl:value-of
select="document('')/*/cn:ennemies/cn:ennemy[number(substring(current(),1,1))]"/>
<xsl:text> </xsl:text>
<xsl:value-of
select="document('')/*/date:dates/date:when[number(substring(current(),2,1))]"/>
</xsl:template>
<xsl:template match="text()">
<xsl:variable name="alternate">
<xsl:value-of select="translate( ., ' eimPrS', 'kanoac ' )"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="substring( $alternate, 2, 1) = 'a'">
<xsl:value-of select="substring( $alternate, 1, 1)"/>
<xsl:text>t</xsl:text>
<xsl:value-of select="substring( $alternate, 3, 7)"/>
<xsl:text> </xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$alternate"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
--
Cordialement,
///
(. .)
-----ooO--(_)--Ooo-----
| Philippe Poulard |
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|
