[Prototype-core] proposal: function to validate HTML

[walther diechmann]

on the rebound from a 'tour de force' of W3C specs pertaining to the
DOCTYPE and it's cripling effects on IE's (not) handling improperly
written input tags I was wondering:

Given I have a HTML string
When I call Object.validate( html_string [, doc_type])
Then I can see whether the HTML string is valid

{ errors_count: 2, warnings_count: 1, errors: { 1: { line: 5, short:
'short description', help: URL }, 2: {}}, warnings: { 1: { } } } =
Object.validate( string [, string] )

with URL being a link to the non conformancy related W3C document/
chapter/paragraph

Just a thought :)

BTW: You could - using the validate method - build validation into
methods like Element#replace and #update, when supplying an option or
argument...

Cheers,
Walther

ps. I'm in way pointing my fingers at IE which (in this case) turns
out to be the exemplary scholar in class, sticking to the standards
entirely!

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[T.J. Crowder]

Hi,

Validating HTML against a DOCTYPE is a non-trivial task, and it should
be (IMHO) an authoring-time task (using tools like the W3C
Validator[1]) rather than a runtime task, where Prototype is mostly
focussed on the latter. So I don't see adding this to Prototype. (This
is just my opinion; I'm not a core dev, I don't make decisions for the
project).

If you're receiving HTML from an external source at runtime, I can see
the desire to validate it. For that kind of thing, you may want to
integrate with one of the validation services out there (there's a
short list here[2]) and/or look into mod_validator[3] for Apache.

[1] http://validator.w3.org/
[2] http://validator.w3.org/docs/help.html#others
[3] http://apache.webthing.com/mod_validator/

HTH,
--
T.J. Crowder
Independent Software Consultant
tj / crowder software / com
www.crowdersoftware.com

On May 6, 12:33 pm, walther diechmann <waltherdiechm...@gmail.com>
wrote:

[Allen Madsen]

I agree with T.J.

Allen Madsen
http://www.allenmadsen.com

[Tobie Langel]

Thanks for your suggestion.

This would be quite an undertaking… and falls completely out of the
scope of Prototype, so it's certainly something that won't make it's
way into Prototype Core.

Sorry for the bad news!

Best,

Tobie