[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: DTD validation without a DOCTYPE

• To: xml-dev@l...
• Subject: Re: DTD validation without a DOCTYPE
• From: "G. Ken Holman" <gkholman@C...>
• Date: Mon, 11 Feb 2002 14:04:06 -0500
• Cc: "Caro, Samuel" <Samuel.Caro@U...>
• In-reply-to: <4247B57F015DD31197D300805FFEEE18051D79BF@u...>

At 2002-02-05 20:23 -0600, Caro, Samuel wrote:
>Is there a way to validate against a DTD if the xml file does NOT have a
>DOCTYPE?

Yes, there is a way of doing this entirely within XML 1.0 Recommendation 
without resorting to any proprietary functionality.

When I have to do this without munging the actual files themselves, I use 
parameter and general entities to effect the result.

I hope the example below helps.  Note how I can visually confirm the parts 
of the document by aligning the names of the document element type, DTD 
file, and the instance file.

Just create one of these XML instances for each combination of the three.

.................... Ken

T:\ftemp>type foo.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<foo>
   <bar/>
</foo>
T:\ftemp>type foo.dtd
<!ELEMENT foo ( bar )>
<!ELEMENT bar EMPTY>

T:\ftemp>type caro.xml
<!DOCTYPE  dummy-document-element [
<!ELEMENT  dummy-document-element      ( foo )>
<!ENTITY % dummy-document-dtd    SYSTEM "foo.dtd">
<!ENTITY   dummy-document-entity SYSTEM "foo.xml">
%dummy-document-dtd;
]>
<dummy-document-element>&dummy-document-entity;</dummy-document-element>

T:\ftemp>xml caro.xml
Processing: 'caro.xml' for XML errors

T:\ftemp>


--
Upcoming: 3-days XSLT/XPath and/or 2-days XSLFO - Feb 18-22, 2002

G. Ken Holman                mailto:gkholman@C...
Crane Softwrights Ltd.         http://www.CraneSoftwrights.com/x/
Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (Fax:-0995)
ISBN 0-13-065196-6                        Definitive XSLT & XPath
ISBN 1-894049-08-X  Practical Transformation Using XSLT and XPath
ISBN 1-894049-07-1               Practical Formatting Using XSLFO
XSL/XML/DSSSL/SGML/OmniMark services, books(electronic, printed),
articles, training(instructor-live,Internet-live,web/CD,licensed)
Next public training:   2002-02-13,14,15,18,21,03-04,05,06,11,15,
-        04-08,09,10,11,05-06,07,09,10,14,15,06-04,07,10,11,13,14

• References:
  • DTD validation without a DOCTYPE
    • From: "Caro, Samuel" <Samuel.Caro@U...>

• Prev by Date: Re: REST has too many verbs
• Next by Date: [announce] XML Spy 4.3 Suite Released - adds SOAP debugger, XPath analyzer, SQLXML Support.
• Previous by thread: Re: DTD validation without a DOCTYPE
• Next by thread: FW: DTD validation without a DOCTYPE
• Index(es):
  • Date
  • Thread