Subject: Re: DSSSL Design Question From: "James Clark" <jjc@xxxxxxxxxx> Date: Wed, 25 Jun 1997 16:30:02 +0700 |
> Ok, I am convinced. Can we also define first-class modes at the > top level, just like other processing modes, but with parameters? > > The following is based on James' earlier example: > > (first-class-mode mode-fff (x y) > (element BAR > (if x > (make simple-page-sequence) > (make scroll))) > (element BAZ > (literal y)) ) > > (element FOO > (let ((x (compute-some-info-about-foo)) > (y (compute-some-other-info-about-foo)) ) > (with-first-class-mode mode-fff (x y) > (process-children)) )) You can just do (define (mode-fff x y) (mode (element BAR (if x (make simple-page-sequence) (make scroll))) (element BAZ (literal y)))) (element FOO (call-with-mode (mode-fff (compute-some-info-about-foo) (compute-some-other-info-about-foo)) process-children))) Note that there's just one new syntactic form (mode): call-with-mode is a procedure. James DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
Re: DSSSL Design Question, Vivek Agrawala | Thread | Constructing HTML links in -t sgml, Norman Walsh |
Re: DSSSL query feature, James Clark | Date | Re: SGML to HTML with jade?, Mark Burton |
Month |