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AW: Translating roman numerals into integers with XSLT 2.0

2004-12-21 00:47:13
Hi Mukul,

Thank you very much for your solution.
I am really looking forward testing it.
Thanks for all the work!!

wbr,
Roman

_______________________________________

Roman Huditsch
IT and Electronic Publishing
LexisNexis ARD Orac 
Marxergasse 25
1030 Vienna
Austria 
ph: +43-1-534 52-1514
f: +43-1-534 52-140
e-mail roman(_dot_)huditsch(_at_)lexisnexis(_dot_)at
www.lexisnexis.at
 

-----Ursprüngliche Nachricht-----
Von: Mukul Gandhi [mailto:mukul_gandhi(_at_)yahoo(_dot_)com] 
Gesendet: Dienstag, 21. Dezember 2004 04:51
An: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Betreff: Re: [xsl] Translating roman numerals into integers 
with XSLT 2.0

Following is an improved algorithm.. It will work for any 
large number..

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";      
xmlns:xs="http://www.w3.org/2001/XMLSchema";           
xmlns:num="http://whatever"; version="2.0" >
    
<xsl:output method="text"/>
    
<xsl:template match="/">
  <xsl:call-template name="RomanToInteger">
    <xsl:with-param name="roman_number" select="'XXI'"
/> 
    <xsl:with-param name="index" select="1" /> 
  </xsl:call-template>        
</xsl:template>
    
<xsl:template name="RomanToInteger">
  <xsl:param name="roman_number" />
  <xsl:param name="index" />
  <xsl:choose>
    <xsl:when test="num:toRoman($index) = $roman_number">
      <xsl:value-of select="$index" />
    </xsl:when>
    <xsl:otherwise>
      <xsl:call-template name="RomanToInteger">
        <xsl:with-param name="roman_number"
select="$roman_number" /> 
        <xsl:with-param name="index" select="$index + 1" /> 
      </xsl:call-template>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>
    
<xsl:function name="num:toRoman" as="xs:string">
  <xsl:param name="value" as="xs:integer"/>
  <xsl:number value="$value" format="I"/> </xsl:function>

</xsl:stylesheet>

Regards,
Mukul

--- Mukul Gandhi <mukul_gandhi(_at_)yahoo(_dot_)com> wrote:

You could try something like this -

<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";    
 

xmlns:xs="http://www.w3.org/2001/XMLSchema";         
 
xmlns:num="http://whatever"; version="2.0" >
    
<xsl:output method="text"/>
    
<xsl:variable name="max" select="10000" />
    
<xsl:template match="/">
  <xsl:call-template name="RomanToInteger">
    <xsl:with-param name="roman_number"
select="'XXI'"
/>        
  </xsl:call-template>        
</xsl:template>
    
<xsl:template name="RomanToInteger">
  <xsl:param name="roman_number" />
  <xsl:for-each select="1 to $max">
    <xsl:if test="num:toRoman(.) = $roman_number">
      <xsl:value-of select="." />
    </xsl:if>
  </xsl:for-each>
</xsl:template>
    
<xsl:function name="num:toRoman" as="xs:string">
  <xsl:param name="value" as="xs:integer"/>
  <xsl:number value="$value" format="I"/>
</xsl:function>

</xsl:stylesheet>

The above XSL assumes, that there is some maximum
value of the number(in this example 10000).

I see this as an area of improvement..

Is there a way to break from xsl:for-each loop when
some condition is met?
here , xsl:if test="num:toRoman(.) = $roman_number"

Regards,
Mukul

--- Huditsch Roman <Roman(_dot_)Huditsch(_at_)lexisnexis(_dot_)at>
wrote:

Hi again,

Sorry, for bothering you a second time today, 
but I was wondering if there is a more or less
simple way
of translating roman numerals into intergers with
XSLT 2.0.

Or do I have to use the standard method for doing
this 
describes in the "XSLT Cookbook" by Sal Mangano?

Would be nice if format-number() or anything
similar
would allow
me to o this...

Thank you very much for your patience.

wbr,
Roman

_______________________________________

Roman Huditsch
IT and Electronic Publishing
LexisNexis ARD Orac 
Marxergasse 25
1030 Vienna
Austria 
ph: +43-1-534 52-1514
f: +43-1-534 52-140
e-mail roman(_dot_)huditsch(_at_)lexisnexis(_dot_)at
www.lexisnexis.at
 

-----Ursprüngliche Nachricht-----
Von: Michael Kay [mailto:mike(_at_)saxonica(_dot_)com] 
Gesendet: Montag, 20. Dezember 2004 15:20
An: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Betreff: RE: [xsl] Omitting default namespace in
the output - XSLT 2.0

If you copy elements using xsl:copy-of, the
output
elements 
will have the same names as the input elements,
and the 
system will automatically add declarations of
the
namespaces 
used in these names. You want your output
elements
to have a 
different name from the input elements (same
local
name, 
different URI). So you can't use copy-of.

To copy a tree while renaming elements, use a
modified form 
of the identity template rule:

<xsl:template match="*">
<xsl:element name="{local-name()}">
  <xsl:copy-of select="@*"/>
  <xsl:apply-templates/>
</xsl:element>
</xsl:template>

Michael Kay
http://www.saxonica.com/
 

-----Original Message-----
From: Huditsch Roman
[mailto:Roman(_dot_)Huditsch(_at_)lexisnexis(_dot_)at]
Sent: 20 December 2004 13:52
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Omitting default namespace in
the
output - XSLT 2.0

Hi,

Given an example input like:

<?xml version="1.0" encoding="UTF-8"?> <norm 
xmlns="myDefaultNamespace">
      <table>
              <row>
                      <cell>My Table</cell>
              </row>
      </table>
</norm>

I searched for an easy way to get output data,
which is not 
associated 
to my default namespace any more, with the
help
of <xsl:copy-of> in 
XSLT 2.0 I hoped that the attribute
"copy-namespaces" set to "no" 
would help me here, but unfortunately I had no
luck with Saxon 8.1.1

My output still looks like

<table>
      <row xmlns="myDefaultNamespace">
              <cell>My Table</cell>
      </row>
</table>


XSLT:
=====

      <xsl:template match="ln:table">
              <table>
                      <xsl:copy-of select="node() | @*"
copy-namespaces="no"/>
              </table>
      </xsl:template>


Thanks in advance for your input!

wbr,
Roman
_______________________________________

Roman Huditsch
IT and Electronic Publishing
LexisNexis ARD Orac
Marxergasse 25
1030 Vienna
Austria
ph: +43-1-534 52-1514
f: +43-1-534 52-140
e-mail roman(_dot_)huditsch(_at_)lexisnexis(_dot_)at
www.lexisnexis.at



              
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