Skip to main content

Test for spaces in text

When it comes to XSL you have to pay particular attention to the schema of the XML you are trying to make use of.  There are certain cases when you do not have control over the XML being produced that your XSL needs to be generic.

I am currently updating a Community Portal, which I developed in the past for my current company and have just discovered a silly human error.  Yes. I made a bad mistake.  The coding for this system assumed that there would be no spaces in a post code when trying to build a list of links.

The block was along the lines of:

<a target="_blank">
  <xsl:attribute name="href">
    <xsl:value-of select="@theLink" />
    <!-- Check length of string and attach post code with a space -->
  <xsl:attribute name="title">
    <!-- Attach the title of the link for accessibility-->
  <xsl:value-of select="@linkText" />

The block to attach the post code just checked the length of the post code, split it into two, then concatenate with a space.  This logic did not check for a space. So the following method needs to be used in a conditional:

test="contains(//ResultItem/UKAddressStructure/BS7666Address/PostCode, ' ')"

As you can see, the space character is denoted within the single quotes. So:

  <!-- It already has a space so we don't need to format -->
  <xsl:when test="contains(//ResultItem/UKAddressStructure/BS7666Address/PostCode, ' ')">
    <xsl:value-of select="//ResultItem/UKAddressStructure/BS7666Address/PostCode" />
  <!-- No spaces. So we need to split the post code and concatenate with a space -->
    <xsl:value-of select='substring(//ResultItem/UKAddressStructure/BS7666Address/PostCode,1,4)' />
    <xsl:value-of select='substring(//ResultItem/UKAddressStructure/BS7666Address/PostCode,5)' />

This is much more cleaner, where the post code is used appropriately.  The sample code above is for the original post code strings with more than 6 characters, so there are further checks for different post code sizes.

Blogged with Flock


Popular posts from this blog

Open Source alternatives to Adobe Creative Suite

With the take over of Macromedia by Adobe, they have increased their arsenal of design packages, as well as the price. No-one can do pretty much without the popular package of Photoshop for their images, and Dreamweaver for websites, especially aspiring design students who do not have much money.

Nevertheless, open source software has come to save the day. What is open source software? In a nutshell it is free software with its source-code freely available to those who would like to expand or improve on the software. To expand further, anyone who’s tinkered with the source code such as optimisation or additional functionality can resubmit it back to the holders and let others enjoy the fruits of your labour.

I have trawled through the World Wide Web to find out how everyone can benefit from Open Source to build up their own studio and compete against Adobe Creative Suite. All this for free, apart from the cost of the Internet. I am planning to have a facility where you can purchase th…

Open Source alternatives to Adobe Creative Suite update

Oh yes, an update to an earlier post about getting hold of free or Open Source alternatives to Adobe Creative Suite.

I actually forgot to mention about Adobe ImageReady, which gets bundled with Photoshop. There are a number of basic animation tools, but none provide flexibility similar to ImageReady. Fortunately, Open Source lovers are in for a surprise in the form of GIMP Animation Package. This link will take you to the Windows download site as I cannot find any references to this for the Mac OS. Chances are that it could be part of the download, but I haven't had time to inspect this.

The Creative Suite package includes Adobe Bridge, which is a thumbnail viewer to convert images and open them up in any Adobe application for editing. No matter how they would try to trump up its name, it is still a thumbnail viewer. The best free application out there for this is IrfanView. Need I say more?

Are there any pixel pushers out there, who prefer to simply draw their own pics? Why…

ASP Reverse For Loop

It's kind of interesting of how reverse linking does not seem so obvious in classic ASP.  You would think that it would be along the lines of:

dim i
for i = 30 to 2
  'code comes here

but it's not.  To have a reverse For loop it's:

dim i
for i = 30 to 2 Step-1
  'code comes here

That's right that small bit (Step-1) makes all the difference.  I stumbled upon this by chance and thought that someone would benefit from this.

Happy coding.Blogged with Flock