J M Davitt a écrit :
> Bruno Desthuilliers wrote:
>
>> J M Davitt a écrit :
>> (snip)
>>
>>>
>>>> In web applications, the presentation - HTML - is a data structure.
>>>
>>> HTML is a markup language. I would hesitate to call it a
>>> structure simply because it has a hierarchic tag scheme.
>>
>> It's yet common in web application to have an internal tree
>> representing the "hierarchic tag scheme". In Javascript, this is
>> called the DOM (Document Object Model). Some web template systems also
>> create this tree, then transform it to it's textual (HTML)
>> representation. AFAIK, in any CS101 course or book, a tree is a data
>> structure.
>
>
> Of course it is. And I don't doubt that one can generate HTML from
> collections of such -- as I mentioned: I've done this with two
> databases. And I've written plenty of Javascript.
>
> So, yes, an HTML document is a structure. But HTML isn't very
> rigorous and.in no way is the structure of an HTML document
> comparable to the structure of the relational model
Indeed. HTML data structure is an heterogenous tree - something that is
note easy to express in a SQL DBMS (BTW, if anyone has a usable SQL
schema for a HTML document, I'd be very interested).
Received on Thu Jul 06 2006 - 15:29:51 CDT
