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| 1 // Protocol Buffers - Google's data interchange format | |
| 2 // Copyright 2008 Google Inc. All rights reserved. | |
| 3 // https://developers.google.com/protocol-buffers/ | |
| 4 // | |
| 5 // Redistribution and use in source and binary forms, with or without | |
| 6 // modification, are permitted provided that the following conditions are | |
| 7 // met: | |
| 8 // | |
| 9 // * Redistributions of source code must retain the above copyright | |
| 10 // notice, this list of conditions and the following disclaimer. | |
| 11 // * Redistributions in binary form must reproduce the above | |
| 12 // copyright notice, this list of conditions and the following disclaimer | |
| 13 // in the documentation and/or other materials provided with the | |
| 14 // distribution. | |
| 15 // * Neither the name of Google Inc. nor the names of its | |
| 16 // contributors may be used to endorse or promote products derived from | |
| 17 // this software without specific prior written permission. | |
| 18 // | |
| 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 | |
| 31 #import "GPBExtensionRegistry.h" | |
| 32 | |
| 33 #import "GPBBootstrap.h" | |
| 34 #import "GPBDescriptor.h" | |
| 35 | |
| 36 @implementation GPBExtensionRegistry { | |
| 37 // TODO(dmaclach): Reimplement with CFDictionaries that don't use | |
| 38 // objects as keys. | |
| 39 NSMutableDictionary *mutableClassMap_; | |
| 40 } | |
| 41 | |
| 42 - (instancetype)init { | |
| 43 if ((self = [super init])) { | |
| 44 mutableClassMap_ = [[NSMutableDictionary alloc] init]; | |
| 45 } | |
| 46 return self; | |
| 47 } | |
| 48 | |
| 49 - (void)dealloc { | |
| 50 [mutableClassMap_ release]; | |
| 51 [super dealloc]; | |
| 52 } | |
| 53 | |
| 54 - (instancetype)copyWithZone:(NSZone *)zone { | |
| 55 GPBExtensionRegistry *result = [[[self class] allocWithZone:zone] init]; | |
| 56 if (result && mutableClassMap_.count) { | |
| 57 [result->mutableClassMap_ addEntriesFromDictionary:mutableClassMap_]; | |
| 58 } | |
| 59 return result; | |
| 60 } | |
| 61 | |
| 62 - (NSMutableDictionary *)extensionMapForContainingMessageClass: | |
| 63 (Class)containingMessageClass { | |
| 64 NSMutableDictionary *extensionMap = | |
| 65 [mutableClassMap_ objectForKey:containingMessageClass]; | |
| 66 if (extensionMap == nil) { | |
| 67 extensionMap = [NSMutableDictionary dictionary]; | |
| 68 [mutableClassMap_ setObject:extensionMap | |
| 69 forKey:(id<NSCopying>)containingMessageClass]; | |
| 70 } | |
| 71 return extensionMap; | |
| 72 } | |
| 73 | |
| 74 - (void)addExtension:(GPBExtensionDescriptor *)extension { | |
| 75 if (extension == nil) { | |
| 76 return; | |
| 77 } | |
| 78 | |
| 79 Class containingMessageClass = extension.containingMessageClass; | |
| 80 NSMutableDictionary *extensionMap = | |
| 81 [self extensionMapForContainingMessageClass:containingMessageClass]; | |
| 82 [extensionMap setObject:extension forKey:@(extension.fieldNumber)]; | |
| 83 } | |
| 84 | |
| 85 - (GPBExtensionDescriptor *)extensionForDescriptor:(GPBDescriptor *)descriptor | |
| 86 fieldNumber:(NSInteger)fieldNumber { | |
| 87 Class messageClass = descriptor.messageClass; | |
| 88 NSDictionary *extensionMap = | |
| 89 [mutableClassMap_ objectForKey:messageClass]; | |
| 90 return [extensionMap objectForKey:@(fieldNumber)]; | |
| 91 } | |
| 92 | |
| 93 - (void)addExtensions:(GPBExtensionRegistry *)registry { | |
| 94 if (registry == nil) { | |
| 95 // In the case where there are no extensions just ignore. | |
| 96 return; | |
| 97 } | |
| 98 NSMutableDictionary *otherClassMap = registry->mutableClassMap_; | |
| 99 for (Class containingMessageClass in otherClassMap) { | |
| 100 NSMutableDictionary *extensionMap = | |
| 101 [self extensionMapForContainingMessageClass:containingMessageClass]; | |
| 102 NSMutableDictionary *otherExtensionMap = | |
| 103 [registry extensionMapForContainingMessageClass:containingMessageClass]; | |
| 104 [extensionMap addEntriesFromDictionary:otherExtensionMap]; | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 @end | |
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Chromium Code Reviews
Issue 1322483002:
Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master