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Re: Create XML

Re:  Create XML
[Rich Salz]

> I didn't say it was easy.  I said it was disappointing that the average
> programmer can't just output a little bit of XML -- a config file,
> for example -- without some heavyweight API.  That would mean, for
> example, embedded returns -- unnormalized line-end -- are out of
> scope for what I was talking about.

Well, for simple files where you __know__ you will not run into the harder
problems - like some of those config files, say, - and especially if you
know there will not be attributes - I like to use a little element generator
that returns a complete element as a string.  That way it is well-formed,
and you can use it recursively.

It could look like this -

result = element('div','This is the content')
result += element('p', element('b','Let us start with bold') + 'this is not

You use string or RE replace to handle the more obvious escaping and do not
worry about empty element syntax.   Very easy to program, gives you
well-formed output (modulo encoding, but just stick with ASCII or iso-8859-x
if you know your editor will produce it), flexible to use.  Extending it to
attributes is not hard, __if__ you know your input won't come from James
Clark or some other trickster.

It is crude, but I have spooled out a lot of xml from javascript just this
way.  It is better than writing the string fragments, much better.  It is
only good when you __know__ you will not bump up against all the nasties.
Of course, how can a newbie know that??? Oh well...


Tom P


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