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I need to parse Visual Studio automatically generated XML documentation to create a report. I decided to use XSLT but I'm very new to it and need help. Common template is:
<doc>
<members>
<member name="F:MyNamespace">
<summary>Some text</summary>
</member>
</members>
</doc>
I want to isolate members with name which begins on some word, for example, P:Interfaces.Core. I decided to use RegExp in select statement.
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fn="http://www.w3.org/TR/xpath-functions/">
<xsl:template match="/" >
<html xmlns="http://www.w3.org/1999/xhtml">
<body style="font-family:Tahoma">
<p>Interfaces list:</p>
<table>
<xsl:for-each select="doc/members/member">
<xsl:sort order="ascending" />
<xsl:value-of select="fn:matches(., 'P\..+')" />
<br />
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Why does I'm getting error:
Namespace http://www.w3.org/TR/xpath-functions does not contain any functions >
Where am I wrong? I found such code in examples, including w3c.org!
477
In case you're performing the transformation with Visual Studio X, where X is not greater than 2008, this would be processed by an XSLT 1.0 processor (.NET's XslCompiledTransform or XslTransform). XSLT 1.0 uses XPath 1.0, not XPath 2.0 and its F & O (Functions and Operations), which only became a W3 Recommendation last year.
You have two options:
Use a compliant XSLT 2.0 processor. If you prefer to stay within the .NET platform, then a suitable choice is Saxon.NET
Just use the XPath 1.0 function starts-with(), which is sufficient to solve the current problem.
The expression: starts-with(., 'P:Interfaces') is evaluated to true() if the string value of the context node starts with the string 'P:Interfaces' and to false() otherwise.
Another Xpath 1.0 function that may come handy for such type of processing is the function contains().
Xpath's 2.0 function ends-with() can be emulated in XPath 1.0 in the following way:
ends-with(s1, s2) ====substring(s1,string-length(s1)-string-length(s2)+1)=s2
where "===" means is "equivalent to".
Here we also used the XPath 1.0 functions substring() and string-length().
196
If you are working exclusively in MS XML you can add custom functions written in a .net language of your choice. See the example on MSDN (they use JScript). Then you could use regexes.
However, you should be able to use the starts-with xslt function to do what you need.
44
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