/*

     File: TCallScript.h

 Abstract: A class for calling through from Objective-C to AppleScript handlers.

  Version: 1.1

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 */

#import <Cocoa/Cocoa.h>

    /* TCallScript - A class for calling through from 

    Objective-C to AppleScript handlers. */

@interface TCallScript : NSObject {

    NSAppleScript* theScript; /* the compiled AppleScript */

}

    /* initialized a TCallScript loading a pre-compiled script

    containing the handlers we wish to call */

- (id) initWithURLToCompiledScript:(NSURL*)scriptURL;

    /* for freeing up our storage */

- (void) dealloc;

    /* property for the 'theScript' field */

@property (retain) NSAppleScript *theScript;

    /* this is the method we use for calling through to the

    handlers in the script.  we provide the name of the handler

    to call and a list of parameters to pass to the handler.  The

    result will be whatever the script's handler returned.  We return

    nil if an error occurs. */

- (NSAppleEventDescriptor*) callScript:(NSString *)handlerName 

        withArrayOfParameters:(NSAppleEventDescriptor*) parameterList;

    /* callHandler is a convenience routine that calls through to

    callScript:withArrayOfParameters:.  This method received parameters

    as a variable argument list of Objective-C objects and it automatically

    builds the AEDescList parameter for callScript:withArrayOfParameters: based

    on the types of objects provided as parameters.  Parameters may be NSNumbers,

    NSStrings, or NSAppleEventDescriptors.  */

- (NSAppleEventDescriptor*) callHandler:(NSString *)handlerName withParameters: (id) firstParameter, ... ;

@end