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XSLT Template from XSD?

Posted on 2014-02-17
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Last Modified: 2014-02-18
Hi,

Are there any tools  I can use in .NET that ingest an XSD to generate a template for use in an XSLT?

Thanks,
Josh
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Question by:jdannemann
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Expert Comment

by:mccarl
ID: 39866586
I'm not sure exactly what you would expect to see in a template XSLT based on the details of an XSD. Can you provide a simplified example of what you would expect to happen? ie. give a simple XSD and what XSLT you would expect to get.
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by:jdannemann
ID: 39868248
Thanks for the response mccarl.

I am really looking for something pretty simple here. Taking the standard sitemap.xsd for an example (http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd), I would expect the output template to look something like this:

    <xsl:template match="/">
      <urlset>
        <url>
          <loc></loc>
          <lastmod></lastmod>
          <changefreq></changefreq>
          <priority></priority>
        </url>
      </urlset>
    </xsl:template>

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The template it outputs does not require functionality, but rather it's purpose is for providing a starting point for our developers. Some of the XML formats we deal with are very complex and contain hundreds of element definitions, and so it is my hope to locate tool or library that will help us auto-generate the code and speed up the development process.
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aikimark earned 500 total points
ID: 39868335
Using XMLPad, I opened your XSD file (URL) and then did an XML | Generate sample XML file operation.

Selecting Generate non-mandatory attributes and elements and a Repeat count=1, the following was produced:
<?xml version="1.0" encoding="utf-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 file:///C:/Users/Mark/AppData/Local/Microsoft/Windows/Temporary%20Internet%20Files/Content.IE5/05CKYW7W/sitemap%5B1%5D.xsd">
  <url>
    <loc/>
    <lastmod/>
    <changefreq/>
    <priority/>
  </url>
</urlset>

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by:jdannemann
ID: 39868522
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Expert Comment

by:mccarl
ID: 39869086
Depending on how advanced that you want it to be, you can do something yourself quite easily. Your input (XSD) and output (XSL) are both XML format so you can use XSL itself to generate an output stylesheet. Take this fairly simple example, it works with the sitemap XSD that you referred to. The great thing about it is that you can customise it to produce almost anything that you want or to cater for lots of different types of input. Just a thought...
<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsl:output method="xml" indent="yes" />

<xsl:template match="/xsd:schema">
	<xsl:element name="xsl:stylesheet" namespace="http://www.w3.org/1999/XSL/Transform">
	<xsl:attribute name="version">1.0</xsl:attribute>
	<xsl:element name="xsl:template" namespace="http://www.w3.org/1999/XSL/Transform">
	<xsl:attribute name="match">/</xsl:attribute>
	<xsl:apply-templates select="xsd:element" />
	</xsl:element>
	</xsl:element>
</xsl:template>

<xsl:template match="xsd:element">
	<xsl:element name="{@name}" namespace="{/xsd:schema/@targetNamespace}">
	<xsl:choose>
			<xsl:when test="@type">
	    		<xsl:apply-templates select="//xsd:complexType[@name = current()/@type]//xsd:element" />
			</xsl:when>
			<xsl:otherwise>
		   		<xsl:apply-templates select="xsd:complexType//xsd:element" />
			</xsl:otherwise>
		</xsl:choose>
	</xsl:element>
</xsl:template>
</xsl:stylesheet>

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