Subject: Re: How to do numeric validations in DTD From: John Robert Gardner <jrgardn@xxxxxxxxx> Date: Thu, 20 Jan 2000 16:23:22 -0500 (EST) |
What about this . . . You can try what I've done, which works, but takes XSL/T or other post process to reconstruct: <!ELEMENT personalinfo ( whatever . . . . )> <!ATTLIST personalinfo ssn_a ( 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 ) #REQUIRED ssn_b ( 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 ) #REQUIRED ssn_c ( 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 ) #REQUIRED . . . . and so on, making one default content model type attribute for each ssn digit Ugly, but, until schemas give us data types . . . . =-=-=-=-=-=-=-=-=-==-=-=-= John Robert Gardner ATLA-CERTR Emory University ------------------------------------------------------------ http://vedavid.org/diss/ "If there is something you're thinking of doing, or wish you could do, begin it. In boldness there is mystery and power . . . . " -Goethe On Thu, 20 Jan 2000 keshlam@xxxxxxxxxx wrote: > >How to write a DTD, which validates the value of SSN as numeric. > > You can't. Do it in your application code, or wait for the Datatype support > in XML Schemas. > > > ______________________________________ > Joe Kesselman / IBM Research > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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