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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