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Re: Switch/case with NSString?
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Re: Switch/case with NSString?


  • Subject: Re: Switch/case with NSString?
  • From: Michael Watson <email@hidden>
  • Date: Wed, 3 Jan 2007 15:57:47 -0500

Seems awfully specific that the user has to type "do homework". Why not make this a pop-up button/menu and use tags? Then you could use switch easily and you don't have to worry about someone not entering anything, or entering illegal text. Unorganized, typed-in-Mail.app example concept:

- (IBAction)performTask:(id)sender
{
	int task = [sender tag];

	switch (task)
	{
		case 0:
			doHomework();

		case 1:
			chill();

		case 2:
			relax();

		case 3:
			chillax();
	}
}


On 03 Jan, 2007, at 15:52, d2kagw wrote:

Hi All!

I have a selector run after the user enters a string, depending on the string entered, a series of different processes need to occur, if I was writing this in a ECMA based language you would expect to see it like ( this is an example ):

switch ( tAction )
{
	case "do homework":
		doHomework();
		break;

	case "bludge":
	case "chill":
	case "relax":
		doRelax();
		break;

	default:
		error("no action set for request");
}


On 04/01/2007, at 3:19 AM, Michael Watson wrote:

I'm interested to know what kind of problem d2kagw is attempting to solve. Can you give us an example of what you're tackling?


-- m-s


On 03 Jan, 2007, at 10:48, John Stiles wrote:

Yup, I was going to suggest something similar. Use an NSDictionary to do the lookup for you.

Tommy Nordgren wrote:

On 3 jan 2007, at 11.32, d2kagw wrote:

Hi there,

Anyone know if its possible to do a switch statement with a NSString? or if there's something similar that you could use as a replacement?

Cheers
Use a (GLOBAL)NSDictionary that maps from NSString to NSNumber.

NSNumber * switch_code = [myGlobalDictionary objectForKey: myString];

switch ([switch_code intValue]) {
----
Kine dies, Kinfolk dies, and thus at last yourself
This I know that never dies, how a dead mans deeds are deemed. -- Elder edda
Tommy Nordgren
email@hidden




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References: 
 >more than one attribute in tableview cell (From: "email@hidden" <email@hidden>)
 >Re: more than one attribute in tableview cell (From: Volker Runkel <email@hidden>)
 >Switch/case with NSString? (From: d2kagw <email@hidden>)
 >Re: Switch/case with NSString? (From: Tommy Nordgren <email@hidden>)
 >Re: Switch/case with NSString? (From: John Stiles <email@hidden>)
 >Re: Switch/case with NSString? (From: Michael Watson <email@hidden>)
 >Re: Switch/case with NSString? (From: d2kagw <email@hidden>)

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