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Date: Thu, 18 Nov 2010 16:05:46 -0200
Message-ID: <AANLkTin-M7f2Aaaeq8_EQyvuHLwaO8pq7C36tRFvoUqN@mail.gmail.com>
To: "larry@garfieldtech.com" <larry@garfieldtech.com>
Cc: internals@lists.php.net
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Subject: Re: [PHP-DEV] PHP 5.4 - Meta attribute (aka. Annotations) support discussion
From: guilhermeblanco@gmail.com ("guilhermeblanco@gmail.com")

Hi Larry,

Of course I know how it can benefit a full stack framework.
For example Zend Framework can benefit of it by auto-generating WSDL
files in Zend_Soap.

You're right about Symfony integrated system of property validation of
Domain Objects.
If you would like to see how it would be implemented in
Doctrine/Symfony without Annotations, here are the links of them:

Doctrine sample user class:
https://github.com/doctrine/doctrine2/blob/master/tests/Doctrine/Tests/ORM/=
Mapping/php/Doctrine.Tests.ORM.Mapping.User.php
Symfony injection of property validation:
http://docs.symfony-reloaded.org/guides/validator.html (at the end of
HTML file)

Cheers,

On Thu, Nov 18, 2010 at 3:00 PM, larry@garfieldtech.com
<larry@garfieldtech.com> wrote:
> On 11/18/10 7:34 AM, guilhermeblanco@gmail.com wrote:
>>
>> Hi Larry,
>>
>> For existent project examples and usage, here are 2 links of the
>> upcoming versions of Doctrine 2 and Symfony 2:
>>
>>
>> http://www.doctrine-project.org/projects/orm/2.0/docs/reference/basic-ma=
pping/en#introduction-to-docblock-annotations
>> http://docs.symfony-reloaded.org/guides/validator.html
>>
>> Please understand that Roman, Benjamin, Jonathan and I wrote this
>> Annotation parser for Doctrine, which was reused by Bernhard on
>> Symfony.
>> So I have clean understanding of the issue we have on hands and every
>> single point that it is required to address. That's why I wrote the
>> RFC.
>>
>> Yesterday night a couple of people joined on #php.pecl and discussed a
>> possible new implementation.
>> I'll write what was discussed and probably some sample code.
>
> No offense, but as I've noted before Symfony and Doctrine are very very
> different types of frameworks/libraries than a lot of the code out there.
> =C2=A0Much of what may make sense in a component framework doesn't make s=
ense in
> a full stack framework (e.g., Drupal, which I work on) and vice versa. =
=C2=A0So
> while I respect that you put a lot of work into the Doctrine and Symfony
> implementations that does not mean you will understand "every single poin=
t
> that it is required to address".
>
> That said, from looking at the Symfony page above it looks like it's an
> integrated system for providing variable-level validation. =C2=A0True?
>
> If that's the case, what would a before/after look like for code using
> annotations vs. not?
>
> As far as implementation goes, for something like this to be useful for a
> highly-dynamic system like Drupal we'd need to be able to add
> annotations/validation rules out-of-band, that is, from somewhere other t=
han
> syntactically right on the variable/function/method being validated. =C2=
=A0We
> frequently have highly-generic objects that get used in a multitude of
> different ways, so we would need to be able to associate validation rules=
 at
> runtime for them to work.
>
> Naturally the error messages from them would also need to be
> returned/thrown, not printed, so an application can take proper steps wit=
h
> them in its own error handling routines.
>
> --Larry Garfield
>
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> PHP Internals - PHP Runtime Development Mailing List
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>



--=20
Guilherme Blanco
Mobile: +55 (16) 9215-8480
MSN: guilhermeblanco@hotmail.com
S=C3=A3o Paulo - SP/Brazil