On Wed, Feb 23, 2011 at 3:38 PM, mc_plectrum <[email protected]> wrote:
> Hi,
> In console i tried the following:
>
> ("t".html_safe + "t2").html_safe?
> => true
>
> Why is it returning true?
>
>
> When you call .html_safe on the first String, it returns a SafeBuffer if it
is a safe string.
Now, when you add another string, and if it is a plain string and you have
not called .html_safe on it, the buffer escapes it first, then concatenates
it.
This is why, you are getting these results.
to my mind:
> The concatenation of two Strings returns a new Object, which should
> only be html_safe, if both parts are html_safe, otherwise html_UNsafe.
>
> Yes, you are right. When you do String1 + String 2, it returns a new String
object. You can check it in irb, by calling .object_id on the String1,
String2 and String1+String2.
For more information on this, refer to
http://yehudakatz.com/2010/02/01/safebuffers-and-rails-3-0/.
>
>
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