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luciano greinerSubject: Complicated Indexes
Author: luciano greiner
Date: 19 Jul 2005 09:03 PM

I am working on a XML Software Use Case Specification markup.
My idea is to create XSLT schemas to transform this XML to HTML and PDF.

I done a HTML version of a XML use case to see how i would like it be transformed, then i started to develop a XSLT. There is a situation, on Use Case Extensions that i am facing with complex indexes. An Extension refer to a step in main flow. Example:

Main Flow
1. The actor inputs its username and password.
2. The system processes user login.

Extensions (non-well written)
1a. Username doesn't exist
-1a1. The system notifies Actor ...
-1a2. The actor modifies username ...
1b. Password is invalid
-1b1. The actor informs password again
--1b1a. Password invalid again (A SUBEXTENSION)
---1b1a1. The system blocks user account

My XML representation for above scenario is:

<Step>The actor inputs its username and password.</Step>
<Step>The system processes user login.</Step>
<Extension mainstep="1">
<Description>Username doesn't exist</Description>
<Step>The system notifies Actor ...</Step>
<Step>The actor modifies username ...</Step>
<Extension mainstep="1">
<Description>Password is invalid</Description>
The actor informs password again
<Description>Password invalid again</Description>
<Step>The system blocks user account</Step>

The default is:
- Extension description index is mainstep attribute or parent index,
plus a sequential letter.
- Extension step index is description index, plus a sequential number.

Can XSLT generate these indexes for me? If so, how?
I am also opened for suggestions on xml markup to make things simpler.

Thank you



Ivan PedruzziSubject: Complicated Indexes
Author: Ivan Pedruzzi
Date: 21 Jul 2005 12:55 AM
Hi Luciano,

You need to use the position() function and a bit of creativity.
Here an example

Hope this helps
Ivan Pedruzzi
Stylus Studio Team

<xsl:template match="Extensions">

<xsl:for-each select="Extension">
<li><xsl:value-of select="concat(position(), ' ' ,Description)"/>
<xsl:for-each select="Step">
<li><xsl:value-of select="concat(position(), ' ' ,.)"/></li>


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