Subject: Re: Accessing declared value of attribute in Jade From: James Clark <jjc@xxxxxxxxxx> Date: Tue, 07 Oct 1997 09:53:35 +0700 |
Daniel Speck wrote: > > James Clark wrote: > > > > Daniel Speck wrote: > > > > > I have run into a problem that I can't seem to solve. For each element > > > in the instance I need to find the declared value of each non-implied > > > attribute and if it is ENTITY or ENTITIES, I need to do further > > > processing to obtain the external identifier(s) and notation(s). The > > > problem I am having is that I can find no way to obtain information > > > about the declared value of an attribute. Can anyone tell me how? > > > > You can't find get the declared value of an attribute, but your problem > > is just to find whether an attribute is an ENTITY or ENTITIES attribute, > > right? You can do this by looking at the entity property on the > > attribute value token node in the value of the attribute. > > > > Okay, I still can't seem to get to the "attribute value token node" in > the value > of the attribute. I created a small test SGML instance: > > <!DOCTYPE test [ > <!ELEMENT test o o (graphic+)> > <!ELEMENT graphic - o EMPTY> > <!ATTLIST graphic > name ENTITY #implied > > > <!NOTATION tiff SYSTEM "tiff"> > <!ENTITY foo SYSTEM "foo.tif" NDATA tiff> > ]> > <graphic name=foo> > > and a small DSSSL style spec: > > <!doctype style-sheet PUBLIC "-//James Clark//DTD DSSSL Style > Sheet//EN"> > > (define debug > (external-procedure "UNREGISTERED::James Clark//Procedure::debug")) > > (element (graphic) > (let* ((node (current-node)) > (attlist (attributes node)) > (nameatt (debug (named-node "name" attlist))) > (nameval (debug (node-property "value" nameatt))) > ; The next line doesn't work. Jade just says: > ; jade:attr.dsl:11:19:E: no value for node property > "attvaltk" > ; I can't seem to get to the "attribute value token node" in > the > ; value of the attribute > (attvaltk (debug (node-property "attvaltk" nameval))) "attvaltk" is the name of the class of the node, not the name of a property. When an attribute value is not CDATA, the "value" property consists of a list of nodes of class "attvaltk". When the declared value is ENTITY or ENTITIES, each of these nodes of class "attvaltk" have an "entity" property. James DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
Re: Accessing declared value of att, G. Ken Holman | Thread | Sorting SSets of Elements in DSSSL?, Rob |
Re: Accessing declared value of att, G. Ken Holman | Date | Re: Accessing declared value of att, Daniel Speck |
Month |