Re: Serving images from databases
This WebDNA talk-list message is from 1998
It keeps the original formatting.
numero = 17055
interpreted = N
texte = >WebDNA was never designed to work with binary data -- its purpose is to >generate HTML text. Regardless of whether the NULL comes from a PageMill >file or a GIF file, WebDNA stops processing at that point. Without a total >rewrite+slowdown of the parser, that will remain unchanged.Hmm... a [INCLUDE RAW] as you mention below should work with no need for WebCat to parse that data - shouldn't it?>HOWEVER: Olin posted an excellent technique for allowing WebCatalog to >intercept picture requests and do useful things with them. Search >WebDNA-Talk at http://search.smithmicro.com for creative in the >subject line. The oldest message by Olin (at the bottom) contains a handy >tip regarding this subject.We have been using a simililar technique with both WebCat and other software a pretty long time, and it works pretty well. But, that's just a half way solution - it reveals the true location of the image.>We have also noted the request for a special includeRAW tag that does no >NULL cleanup. Whether or not your browser can deal with such data will be >up to you -- HTML specs typically do not address embedded NULLS any >differently than WebCatalog does.If you write your own custom headers (as I mentioned in my original posting) that should not be a problem. Content-type: image/gif whould do the trick for gifs and so on.I really look forward to WebCat 2.1.2 with the new tag ;-) ************************************************************* Christer Olsson Stora Nygatan 21 Phone +46 40 791 50 Art director S-211 37 Malmoe Fax +46 40 97 99 77 Ljusa Ideer AB Sweden http://www.ljusaideer.se
Associated Messages, from the most recent to the oldest:
>WebDNA was never designed to work with binary data -- its purpose is to >generate HTML text. Regardless of whether the NULL comes from a PageMill >file or a GIF file, WebDNA stops processing at that point. Without a total >rewrite+slowdown of the parser, that will remain unchanged.Hmm... a [INCLUDE RAW] as you mention below should work with no need for WebCat to parse that data - shouldn't it?>HOWEVER: Olin posted an excellent technique for allowing WebCatalog to >intercept picture requests and do useful things with them. Search >WebDNA-Talk at http://search.smithmicro.com for creative in the >subject line. The oldest message by Olin (at the bottom) contains a handy >tip regarding this subject.We have been using a simililar technique with both WebCat and other software a pretty long time, and it works pretty well. But, that's just a half way solution - it reveals the true location of the image.>We have also noted the request for a special includeRAW tag that does no >NULL cleanup. Whether or not your browser can deal with such data will be >up to you -- HTML specs typically do not address embedded NULLS any >differently than WebCatalog does.If you write your own custom headers (as I mentioned in my original posting) that should not be a problem. Content-type: image/gif whould do the trick for gifs and so on.I really look forward to WebCat 2.1.2 with the new tag ;-) ************************************************************* Christer Olsson Stora Nygatan 21 Phone +46 40 791 50 Art director S-211 37 Malmoe Fax +46 40 97 99 77 Ljusa Ideer AB Sweden http://www.ljusaideer.se
Christer Olsson
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