Files
MailCore/Source/CTMIME_Enumerator.m

85 lines
2.7 KiB
Objective-C

/*
* MailCore
*
* Copyright (C) 2007 - Matt Ronge
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the MailCore project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#import "CTMIME_Enumerator.h"
#import "CTMIME.h"
#import "CTMIME_MultiPart.h"
#import "CTMIME_MessagePart.h"
@implementation CTMIME_Enumerator
- (id)initWithMIME:(CTMIME *)mime {
self = [super init];
if (self) {
mToVisit = [[NSMutableArray alloc] init];
[mToVisit addObject:mime];
}
return self;
}
- (NSArray *)allObjects {
NSMutableArray *objects = [NSMutableArray array];
id obj;
while ((obj = [self nextObject])) {
[objects addObject:obj];
}
return objects;
}
- (id)nextObject {
if ([mToVisit count] == 0) {
return nil;
}
id mime = [mToVisit objectAtIndex:0];
if ([mime isKindOfClass:[CTMIME_MessagePart class]]) {
if ([mime content] != nil) {
[mToVisit addObject:[mime content]];
}
}
else if ([mime isKindOfClass:[CTMIME_MultiPart class]]) {
NSEnumerator *enumer = [[mime content] objectEnumerator];
CTMIME *subpart;
while ((subpart = [enumer nextObject])) {
[mToVisit addObject:subpart];
}
}
[mToVisit removeObjectAtIndex:0];
return mime;
}
- (void)dealloc {
[mToVisit release];
[super dealloc];
}
@end