Subject: Re: [xsl] Program to evaluate a set of DTD files From: "Tony Graham" <tgraham@xxxxxxxxxx> Date: Wed, 6 Jun 2012 21:57:41 +0100 (IST) |
On Wed, June 6, 2012 8:43 pm, Echlin, Robert wrote: > Given a set of DTD files, with entities and parameter entities in two or > more files, including entities redefined in more than one place > (overridden), is there a way to ask a parser to describe the net effect > for each element? > For instance, can XSLT ask the parser for the allowed elements or > attributes in a given element, and the actual element rule, example: > - title contains (#PCDATA | b | i )* > > The purpose of this is to test that the result of using a given DTD is > still unchanged after I change the entities, by for instance, replacing > some text with a parameter entity. The way that I usually do that sort of thing is with Perl rather than XSLT. See, e.g., DTDParse by Earl Hood [1] that includes "dtddiff (along with dtddiff2html) ... that performs a context-like diff between two parsed DTDs" [2]. If you can get an XML representation of each DTD, e.g., using dtd2xsd.pl [3], then it becomes easier to process using XSLT. Regards, Tony Graham tgraham@xxxxxxxxxx Consultant http://www.mentea.net Mentea 13 Kelly's Bay Beach, Skerries, Co. Dublin, Ireland -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- XML, XSL-FO and XSLT consulting, training and programming [1] http://www.mhonarc.org/release/SGML-DTDParse/2.00/ [2] http://www.mhonarc.org/release/SGML-DTDParse/2.00/Changes [3] http://www.w3.org/2000/04/schema_hack/
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