jens@0: //
jens@0: //  With.m
jens@0: //  MYUtilities
jens@0: //
jens@0: //  Copyright 2008 Jens Alfke. All rights reserved.
jens@0: //
jens@0: 
jens@0: #import "With.h"
jens@0: #import "Logging.h"
jens@0: 
jens@0: 
jens@0: @interface NSObject (With)
jens@0: - (BOOL) endWith: (NSException*)x;
jens@0: @end
jens@0: 
jens@0: 
jens@0: void _catchWith( id with, NSException *x )
jens@0: {
jens@0:     Warn(@"Exception thrown from WITH(%@) block: %@",[with class],x);
jens@0:     if( [with respondsToSelector: @selector(endWith:)] ) {
jens@0:         if( ! [with endWith: x] )
jens@0:             @throw x;                           // propagate the exception if -endWith: returns NO
jens@0:     } else {
jens@0:         [with endWith];
jens@0:     }
jens@0: }
jens@0: 
jens@0: 
jens@0: 
jens@0: @implementation NSAutoreleasePool (With)
jens@0: + (NSAutoreleasePool*) beginWith    {return [self new];}
jens@0: - (void) endWith                    {[self drain];}
jens@0: - (BOOL) endWith: (NSException*)x   {[self drain]; return YES;}
jens@11: @end
jens@11: 
jens@11: 
jens@11: /*
jens@11:  Copyright (c) 2008, Jens Alfke <jens@mooseyard.com>. All rights reserved.
jens@11:  
jens@11:  Redistribution and use in source and binary forms, with or without modification, are permitted
jens@11:  provided that the following conditions are met:
jens@11:  
jens@11:  * Redistributions of source code must retain the above copyright notice, this list of conditions
jens@11:  and the following disclaimer.
jens@11:  * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
jens@11:  and the following disclaimer in the documentation and/or other materials provided with the
jens@11:  distribution.
jens@11:  
jens@11:  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
jens@11:  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
jens@11:  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
jens@11:  BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
jens@11:  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
jens@11:   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
jens@11:  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
jens@11:  THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
jens@11:  */