splitting a number

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Laurence Gillian 600 posts 1219 karma points

Jun 11, 2010 @ 20:22
0

Splitting a Number
Hi guys,

Was wondering if anybody could help me with this, its a bit of an odd one!

I want to split a value, in to its separate elements. So 123, would become 123.

Somethings like...
```
<xsl:variable name="value" select="123">

<xsl:variable name="valueTransform" select="magic-transform($123)" />

which would give an output like

<number>
    <node>1</node>
    <node>2</node>
    <node>3</node>
</number>
```
The rational behind this, is splitting numbers so they can each be assigned a css-class ready for image replacement.

So the number becomes a pretty image, but its still accessible!

Any pointers much appreciated! Laurie
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Lee Kelleher 4026 posts 15836 karma points MVP 13x admin c-trib

Jun 11, 2010 @ 20:26

1

Hi Laurence,

Do you have control over the value "123"? Could you comma-separate them? "1,2,3"?

If so, then you could use umbraco.library:Split() to do what you need.

Cheers, Lee.

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Laurence Gillian 600 posts 1219 karma points

Jun 11, 2010 @ 21:01

0

No, sadly not its a two digit week number. /L (so ranges from 0 - 52)

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Tommy Poulsen 514 posts 708 karma points

Jun 11, 2010 @ 21:20

1

Hi Laurence, I'm not completely sure know what your input is - a 2-digit week number you want to split into 2 separate digits, or a string of 2-digit weeknumbers you want to split into separate weeknumbers, or ...

Anyway, you could consider using the xslt substring function (http://msdn.microsoft.com/en-us/library/ms256054.aspx)

>Tommy

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bob baty-barr 1180 posts 1294 karma points MVP

Jun 11, 2010 @ 21:51
1
Laurence...

can you use to grab specific indexes of the string?
```
<xsl:value-of select="substring(.,1,1)"/>
```
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Lee Kelleher 4026 posts 15836 karma points MVP 13x admin c-trib

Jun 11, 2010 @ 22:03

Hi Laurence,

If you're in a position to use an XSLT extension, try this:

public static XPathNodeIterator StringToCharArray(string StringToSplit)
{
    char[] values = StringToSplit.ToCharArray();
    XmlDocument xd = new XmlDocument();
    xd.LoadXml("<chars/>");
    foreach (char value in values)
    {
        XmlNode node = xmlHelper.addTextNode(xd, "char", value.ToString());
        xd.DocumentElement.AppendChild(node);
    }
    return xd.CreateNavigator().Select("/chars");
}

Works the same say as umbraco.library.Split(), but turns the string into a Char array.

Cheers, Lee.

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Laurence Gillian 600 posts 1219 karma points

Jun 11, 2010 @ 22:48

0

To confirm, this is an example...

INPUT = 42

I want to split this into 4 and 2.

So I can output

<span class="digit4">4</span>
<span class="digit2">2</span>

Thanks for the responses so far! I will look into this more, but its Friday I'm off out for drinks and good times! :) Hope you are too :)

Have a lovely weekend, will try some of the above tomorrow :) Laurie

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Chriztian Steinmeier 2800 posts 8790 karma points MVP 8x admin c-trib

Jun 12, 2010 @ 00:17

Hi Laurence,

This recursive template will do the trick:

   <xsl:template name="split">
        <xsl:param name="number" />
        <xsl:param name="index" select="1" />
        <xsl:variable name="digit" select="substring($number, 1, 1)" />
        <span class="digit{$digit}">
            <xsl:value-of select="$digit" />
        </span>
        <xsl:if test="$index &lt; string-length($number)">
            <xsl:call-template name="split">
                <xsl:with-param name="number" select="substring($number, 2)" />
            </xsl:call-template>
        </xsl:if>
    </xsl:template>

    <!-- Sample call from somewhere else: -->
    <xsl:call-template name="split">
        <xsl:with-param name="number" select="42" />
    </xsl:call-template>

- and a god weekend to you too :-)

/Chriztian

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Josh Townson 67 posts 162 karma points

Jun 12, 2010 @ 11:42
2
Hi Laurence, you can use the EXSLT string function split (or tokenize) with an empty string, which will separate the string into each character see here: http://www.exslt.org/str/functions/split/str.split.html

In use it would be:
```
<xsl:variable name="value" select="123">
<xsl:variable name="valueTransform" select="Exslt.ExsltStrings:split($value,'')" />
```
which would give the following node set in the $valueTransform variable:
```
<token>1</token>
<token>2</token>
<token>3</token>
```
Not sure if the umbraco.library:Split function works in the same way, but the EXSLT one certainly claims to.

I do have to say that Chriztian's solution will do exactly what you are asking for,

/Josh
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Laurence Gillian 600 posts 1219 karma points

Jun 14, 2010 @ 12:09

0

Thanks for all the replies on this thread.

Really like the solutions suggested with particular note too Chriztian's and Josh's.

Many thanks! Laurie

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