You're welcome Alan :)
Hmm, I wonder if this big impact is because of skipping evaling everytime,
which iirc is the only thing that evaluateString does, or something else is
happening... Have you also tried doing [rubyClass new] instead of alloc init? I
thought they should do the same.
On 17 jan. 2011, at 15:57, Alan Skipp <al_sk...@fastmail.fm> wrote:
> Brilliant suggestion Eloy, much appreciated.
> There's a noticeable improvement in speed using this technique. In the method
> which added ruby objects to an array, 77% of the time was spent on
> initialising the objects, that's now down to 35%.
>
> Alan
>
> On 17 Jan 2011, at 13:32, Eloy Durán wrote:
>
>> After the Ruby code that defines the class has been evaled, you should be
>> able to do the following:
>>
>> Class rubyClass = NSClassFromString(@"RubyClass");
>> id rubyObject = [[rubyClass alloc] init];
>>
>> On Jan 17, 2011, at 2:05 PM, Alan Skipp wrote:
>>
>>> Hi,
>>> Is there any way to inform an Objective-C class of the existence of a ruby
>>> class so that instances can be created in Objective-C code?
>>> Currently I am doing the following:
>>>
>>> [[MacRuby sharedRuntime] evaluateString:[NSString
>>> stringWithFormat:@"RubyClass.new('%@')", arg]];
>>>
>>> If I'm adding quite a few objects (300+) to an array in a loop, this line
>>> of code is quite slow. My assumption (which may be false) is that either of
>>> the 3 options below would be quicker.
>>>
>>> [RubyClass performSelector:@selector(new:) withObject:arg];
>>> [RubyClass new:arg];
>>> [[RubyClass alloc] initWithArg:arg];
>>>
>>> Are any of those options (or an equivalent) a possibility?
>>>
>>> Alan
>>> _______________________________________________
>>> MacRuby-devel mailing list
>>> MacRuby-devel@lists.macosforge.org
>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
>>
>> _______________________________________________
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>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
>
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