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➜ Ruby revisted
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| Posted by
| Nick Gammon
Australia (23,173 posts) Bio
Forum Administrator |
| Date
| Reply #30 on Wed 16 May 2007 03:01 AM (UTC) |
| Message
| So you would write:
$eOK = 0 # No error
$eWorldOpen = 30001 # The world is already open
$eWorldClosed = 30002 # The world is closed, this action cannot be performed
... and so on?
|
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Ayon
(6 posts) Bio
|
| Date
| Reply #33 on Fri 15 Oct 2010 10:50 AM (UTC) |
| Message
| As a general rule with ruby, there is always what is called the Default Receiver, everything is an object, or maybe an object context. ActiveRuby doesn't seem to obey this in the strictest sense.
Normally, if you just create a ruby file and type def some_method, those methods are auto added to this kind of global class object. Obviously, through some magic, it isn't happening when you are using ActiveRuby so a better shorcut is to just use:
class << self
def hello_world
@world.note('Hello World!')
end
end
...
hello
This worked for me fine in the latest version.
If I were to take a stab, I would say that some disconnect has happened in the way ruby falls back to the default receiver.
for instance, this works:
class << self
def hello(friend)
@world.note(friend)
end
end
hello @world.inspect
#=> #<WIN32OLEEX:0x1f0ce40>
Meaning world is added to the global class' instance variables, we can access all over the place, so there's no real need for changing it to a global variable.
We cant inspect the global class a bit and see what it has, like:
self.methods.each do |m|
@world.note(m)
end
self.instance_variables.each do |iv|
@world.note(iv)
end
@world.note(self.class.to_s) #=> Module aha! Normally this would be: #=> Object
At this point scripting completely stopped working,when I tried to list out the ole_methods etc.
You can list out all global variables like so, this took a lot of time to track down:
$testy = 'x'
Kernel.global_variables.each do |m|
@world.note(m)
end
You'll notice that $testy will appear in there.
Now, I tried a random function call, WindowCreate, doesn't work, neither windowCreate, windowcreate, window_create etc.
I also tried @world.GetInfo and various cases, it also returns method_missing...
If I try to get the ole_methods from the object it returns:
Immediate execution
fail to GetTypeInfo
HRESULT error code:0x80004001
Not implemented
This also happens with ole_method_help etc.
I can't seem to call anything, except note, I am probably just missing some obvious piece of information, I am a little dense sometimes. Can anyone point me in the right direction?
/Jason
| | Top |
|
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