Subject: RE: Counting Nodes From: "Maltby, David G" <david.g.maltby@xxxxxxxx> Date: Thu, 24 Feb 2000 16:41:24 -0500 |
> -----Original Message----- > From: Brandon Ibach [mailto:bibach@xxxxxxxxxxxxxx] > Sent: Thursday, February 24, 2000 4:23 PM > To: dssslist@xxxxxxxxxxxxxxxx > Subject: Re: Counting Nodes > > Okay, I have to theorize here, a bit, because I don't have the DTD > you're using (in addition to the fact that I don't really know the > SGML whitespace handling rules very well). The 13 nodes are: The > <text> containing "List Item 1", the newline and two spaces following, > the <text> containing the sublist, the two spaces at the beginning of > the line following the closing tag of that, the <text> containing > "List Item 2", the newline and two spaces following, the <text> > containing "List Item 3", and the following newline. That should be a > total of 13, and should match the numbering you're getting. > And, for the record, the problem (or "confusion", perhaps) here is > that, I expect, the "text" element is declared to have mixed content > in order to allow either the text of item or a list of other <text>s, > thus the mixture of elements and data-chars in the node-list you're > getting from (siblings). Yes, Yes, Yes! The content model, in part, is (#PCDATA | TEXT)+. And there are spaces and newlines between the tags. I was just about to repost another question on this line, and here you have answered it. I can not type as fast as you guys think. > So, the solution is to just include a clause in your (cond) to > check the class of each node and ignore it completely (including *not* > incrementing the counter) if it isn't an element. And while you're > modifying that procedure, you'll want to drop the parens around "cnt" > in the clause with (node-list-empty?). This clause should, > theoretically, never fire, but if it did, it would try to execute cnt, > which is not a procedure. I am glad to know that there is a method to exclude these nodes. > I believe I have a procedure around here somewhere that works like > (debug) for node-lists, dumping out quite a bit of information about > their members but returning the node-list unscathed. Let me know if > you're interested, and I'll dig it up and make sure it's in working > order. :) Of course, I am interested but I hate to have you go to any trouble. If your going to do it any way, perhaps you could pass such a debug to Tony for inclusion in the Library. Best Regards, David DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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