XMPPMessage+XEP_0334.m
2.39 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
//
// XMPPMessage+XEP_0334.m
// Pods
//
// Created by Chris Ballinger on 4/16/16.
//
//
#import "XMPPMessage+XEP_0334.h"
#import "NSXMLElement+XMPP.h"
#define XMLNS_STORAGE_HINTS @"urn:xmpp:hints"
static NSString * const kMessageStore = @"store";
static NSString * const kMessageNoCopy = @"no-copy";
static NSString * const kMessageNoStore = @"no-store";
static NSString * const kMessageNoPermanentStore = @"no-permanent-store";
@implementation XMPPMessage (XEP_0334)
-(void) addStorageHint:(XMPPMessageStorage)storageHint {
NSString *storageName = [self nameForStorageHint:storageHint];
if (!storageName.length) {
return;
}
NSXMLElement *storageElement = [NSXMLElement elementWithName:storageName xmlns:XMLNS_STORAGE_HINTS];
[self addChild:storageElement];
}
- (NSString*) nameForStorageHint:(XMPPMessageStorage)storageHint {
NSString *storage = nil;
switch (storageHint) {
case XMPPMessageStorageStore:
storage = kMessageStore;
break;
case XMPPMessageStorageNoCopy:
storage = kMessageNoCopy;
break;
case XMPPMessageStorageNoStore:
storage = kMessageNoStore;
break;
case XMPPMessageStorageNoPermanentStore:
storage = kMessageNoPermanentStore;
break;
default:
storage = @"";
break;
}
return storage;
}
- (nonnull NSArray<NSValue*>*)storageHints {
NSArray <NSXMLElement*> *elements = [self elementsForXmlns:XMLNS_STORAGE_HINTS];
NSMutableArray <NSValue*> *boxedHints = [NSMutableArray arrayWithCapacity:elements.count];
[elements enumerateObjectsUsingBlock:^(NSXMLElement * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
XMPPMessageStorage storageHint = XMPPMessageStorageUnknown;
NSString *storageName = [obj name];
if ([storageName isEqualToString:kMessageStore]) {
storageHint = XMPPMessageStorageStore;
} else if ([storageName isEqualToString:kMessageNoCopy]) {
storageHint = XMPPMessageStorageNoCopy;
} else if ([storageName isEqualToString:kMessageNoStore]) {
storageHint = XMPPMessageStorageNoStore;
} else if ([storageName isEqualToString:kMessageNoPermanentStore]) {
storageHint = XMPPMessageStorageNoPermanentStore;
}
[boxedHints addObject:@(storageHint)];
}];
return boxedHints;
}
@end