Since I only added local mods to the file, I did explicit error checking. That also allowed me to verify data types, etc. which are not handled by DTDs.
G. Wade On 18 Nov 2003 10:20:52 -0700 "Weiming Zhang" <[EMAIL PROTECTED]> wrote: > I used it too. it did work. But I could not validate it. Did you > validate your files or you implemented other ways to check for error? > > I really appreciate your help. > > Weiming > > On Tue, 2003-11-18 at 09:48, G. Wade Johnson wrote: > > Remember, DTDs are not namespace-aware. > > > > I did not extend the SVG DTD at all. I added elements (and > > attributes that were part of a separate namespace. For example, > > > > <svg width="400" height="300" > > xmlns="http://www.w3.org/2000/svg"; > > xmlns:xlink="http://www.w3.org/1999/xlink"; > > xmlns:gwj="http://www.anomaly.org/mock_namespace";> > > > > <g id="CoolComponent" gwj:extra="Extra attribute information"> > > <metadata> > > <gwj:special>Putting the extra tags in a metadata tag is > > probably the cleanest approach.</gwj:special> > > </metadata> > > <rect x="50" y="50" width="300" height="200" fill="blue"/> > > <gwj:other id="NotPartOfSVG">But it is not > > required.</gwj:special> > > </g> > > > > </svg> > > > > Warning: The above has not actually been tested. However, I've used > > all of the techniques I've shown in different SVG pages. > > > > HTH, > > G. Wade > > > > On 18 Nov 2003 09:37:41 -0700 > > "Weiming Zhang" <[EMAIL PROTECTED]> wrote: > > > > > Hi, Wade, > > > > > > When you added new elements or attributes with different name > > > space to the file, did you use internal DTD to extend SVG DTD? The > > > SVG specification states it can be done with internal DTD. But I > > > might have to extend it quite a lot and I do not want to give a > > > big internal repetitive DTD to each file. Is there a way to do it > > > with external DTD? > > > > > > Thanks. > > > > > > Weiming > > > > > > On Fri, 2003-10-31 at 11:09, [EMAIL PROTECTED] wrote: > > > > The way I did this on a similar project was to put the > > > > new elements and attributes in a different namespace. > > > > > > > > Batik does not try to render those elements, but it does > > > > make them available through the DOM. > > > > > > > > G. Wade > > > > > > > > Weiming Zhang wrote: > > > > > Hi, > > > > > > > > > > Thank you very much. > > > > > > > > > >>>Is it possible to rendering such svg content with Batik? > > > > >> > > > > >> Yes, and no. There are some issues with the above > > > > >example,>like Batik requires an SVGDocument with a 'getRoot' > > > > >method that>returns the 'root' SVG element. So you might be > > > > >able to write a>'hacked' document object that 'behaved' > > > > >correctly however... > > > > > > > > > > I tried the sample from SVG specification but it did not work. > > > > > You are right, it has to have svg element as root for batik > > > > > rendering. > > > > > > > > > > > > > > >>>I want to use > > > > >>>some custom XML tags to add some extra information to the > > > > >document. For>>example, I may specify for certain group of > > > > >graphic shapes, there are>>certain callbacks. Those callbacks > > > > >will be specified as either elements>>or attributes. > > > > >> > > > > >> This makes me think that you may want (or at least get > > > > >away with)>something that looks more like: > > > > >> > > > > >> <svg:svg width="4cm" height="8cm" version="1.1" > > > > >> xmlns="http://example.org"; > > > > >> xmlns:svg="http://www.w3.org/2000/svg";> > > > > >> <svg:ellipse cx="2cm" cy="4cm" rx="2cm" ry="1cm"> > > > > >> <callback-list> > > > > >> <!-- callbacks for the ellipse element --> > > > > >> <callback name="foo" function="bar"/> > > > > >> </callback-list> > > > > >> </svg:ellipse> > > > > >> </svg:svg> > > > > >> > > > > >> This will work trivially "right out of the box". > > > > > > > > > > This indeed works! But the callback related elements are not > > > > > in SVG DTD, so batik does not validate the document? If I make > > > > > a DTD or schema by adding some extra information to SVG DTD > > > > > (is it possible to do inheritance with a DTD?), how can I let > > > > > batik know? > > > > > > > > > > Thanks. > > > > > > > > > > wz > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------- > > > > > -------- To unsubscribe, e-mail: > > > > > [EMAIL PROTECTED] For additional > > > > > commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > > > --------------------------------------------------------------- > > > > ------ To unsubscribe, e-mail: > > > > [EMAIL PROTECTED] For additional commands, > > > > e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > ----------------------------------------------------------------- > > > ---- To unsubscribe, e-mail: > > > [EMAIL PROTECTED] For additional commands, > > > e-mail: [EMAIL PROTECTED] > > > > > > -- > > A 'language' is a dialect with an army. > > > > ------------------------------------------------------------------- > > -- To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] -- You write code as if the person who will maintain your code is a violent psychopath who knows where you live. -- John F. 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