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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 "GPBUnknownField_PackagePrivate.h"
32
33#import "GPBArray.h"
34#import "GPBCodedOutputStream_PackagePrivate.h"
35#import "GPBUnknownFieldSet.h"
36
37@implementation GPBUnknownField {
38 @protected
39  int32_t number_;
40  GPBUInt64Array *mutableVarintList_;
41  GPBUInt32Array *mutableFixed32List_;
42  GPBUInt64Array *mutableFixed64List_;
43  NSMutableArray<NSData*> *mutableLengthDelimitedList_;
44  NSMutableArray<GPBUnknownFieldSet*> *mutableGroupList_;
45}
46
47@synthesize number = number_;
48@synthesize varintList = mutableVarintList_;
49@synthesize fixed32List = mutableFixed32List_;
50@synthesize fixed64List = mutableFixed64List_;
51@synthesize lengthDelimitedList = mutableLengthDelimitedList_;
52@synthesize groupList = mutableGroupList_;
53
54- (instancetype)initWithNumber:(int32_t)number {
55  if ((self = [super init])) {
56    number_ = number;
57  }
58  return self;
59}
60
61- (void)dealloc {
62  [mutableVarintList_ release];
63  [mutableFixed32List_ release];
64  [mutableFixed64List_ release];
65  [mutableLengthDelimitedList_ release];
66  [mutableGroupList_ release];
67
68  [super dealloc];
69}
70
71// Direct access is use for speed, to avoid even internally declaring things
72// read/write, etc. The warning is enabled in the project to ensure code calling
73// protos can turn on -Wdirect-ivar-access without issues.
74#pragma clang diagnostic push
75#pragma clang diagnostic ignored "-Wdirect-ivar-access"
76
77- (id)copyWithZone:(NSZone *)zone {
78  GPBUnknownField *result =
79      [[GPBUnknownField allocWithZone:zone] initWithNumber:number_];
80  result->mutableFixed32List_ = [mutableFixed32List_ copyWithZone:zone];
81  result->mutableFixed64List_ = [mutableFixed64List_ copyWithZone:zone];
82  result->mutableLengthDelimitedList_ =
83      [mutableLengthDelimitedList_ mutableCopyWithZone:zone];
84  result->mutableVarintList_ = [mutableVarintList_ copyWithZone:zone];
85  if (mutableGroupList_.count) {
86    result->mutableGroupList_ = [[NSMutableArray allocWithZone:zone]
87        initWithCapacity:mutableGroupList_.count];
88    for (GPBUnknownFieldSet *group in mutableGroupList_) {
89      GPBUnknownFieldSet *copied = [group copyWithZone:zone];
90      [result->mutableGroupList_ addObject:copied];
91      [copied release];
92    }
93  }
94  return result;
95}
96
97- (BOOL)isEqual:(id)object {
98  if (self == object) return YES;
99  if (![object isKindOfClass:[GPBUnknownField class]]) return NO;
100  GPBUnknownField *field = (GPBUnknownField *)object;
101  if (number_ != field->number_) return NO;
102  BOOL equalVarint =
103      (mutableVarintList_.count == 0 && field->mutableVarintList_.count == 0) ||
104      [mutableVarintList_ isEqual:field->mutableVarintList_];
105  if (!equalVarint) return NO;
106  BOOL equalFixed32 = (mutableFixed32List_.count == 0 &&
107                       field->mutableFixed32List_.count == 0) ||
108                      [mutableFixed32List_ isEqual:field->mutableFixed32List_];
109  if (!equalFixed32) return NO;
110  BOOL equalFixed64 = (mutableFixed64List_.count == 0 &&
111                       field->mutableFixed64List_.count == 0) ||
112                      [mutableFixed64List_ isEqual:field->mutableFixed64List_];
113  if (!equalFixed64) return NO;
114  BOOL equalLDList =
115      (mutableLengthDelimitedList_.count == 0 &&
116       field->mutableLengthDelimitedList_.count == 0) ||
117      [mutableLengthDelimitedList_ isEqual:field->mutableLengthDelimitedList_];
118  if (!equalLDList) return NO;
119  BOOL equalGroupList =
120      (mutableGroupList_.count == 0 && field->mutableGroupList_.count == 0) ||
121      [mutableGroupList_ isEqual:field->mutableGroupList_];
122  if (!equalGroupList) return NO;
123  return YES;
124}
125
126- (NSUInteger)hash {
127  // Just mix the hashes of the possible sub arrays.
128  const int prime = 31;
129  NSUInteger result = prime + [mutableVarintList_ hash];
130  result = prime * result + [mutableFixed32List_ hash];
131  result = prime * result + [mutableFixed64List_ hash];
132  result = prime * result + [mutableLengthDelimitedList_ hash];
133  result = prime * result + [mutableGroupList_ hash];
134  return result;
135}
136
137- (void)writeToOutput:(GPBCodedOutputStream *)output {
138  NSUInteger count = mutableVarintList_.count;
139  if (count > 0) {
140    [output writeUInt64Array:number_ values:mutableVarintList_ tag:0];
141  }
142  count = mutableFixed32List_.count;
143  if (count > 0) {
144    [output writeFixed32Array:number_ values:mutableFixed32List_ tag:0];
145  }
146  count = mutableFixed64List_.count;
147  if (count > 0) {
148    [output writeFixed64Array:number_ values:mutableFixed64List_ tag:0];
149  }
150  count = mutableLengthDelimitedList_.count;
151  if (count > 0) {
152    [output writeBytesArray:number_ values:mutableLengthDelimitedList_];
153  }
154  count = mutableGroupList_.count;
155  if (count > 0) {
156    [output writeUnknownGroupArray:number_ values:mutableGroupList_];
157  }
158}
159
160- (size_t)serializedSize {
161  __block size_t result = 0;
162  int32_t number = number_;
163  [mutableVarintList_
164      enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
165#pragma unused(idx, stop)
166        result += GPBComputeUInt64Size(number, value);
167      }];
168
169  [mutableFixed32List_
170      enumerateValuesWithBlock:^(uint32_t value, NSUInteger idx, BOOL *stop) {
171#pragma unused(idx, stop)
172        result += GPBComputeFixed32Size(number, value);
173      }];
174
175  [mutableFixed64List_
176      enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
177#pragma unused(idx, stop)
178        result += GPBComputeFixed64Size(number, value);
179      }];
180
181  for (NSData *data in mutableLengthDelimitedList_) {
182    result += GPBComputeBytesSize(number, data);
183  }
184
185  for (GPBUnknownFieldSet *set in mutableGroupList_) {
186    result += GPBComputeUnknownGroupSize(number, set);
187  }
188
189  return result;
190}
191
192- (void)writeAsMessageSetExtensionToOutput:(GPBCodedOutputStream *)output {
193  for (NSData *data in mutableLengthDelimitedList_) {
194    [output writeRawMessageSetExtension:number_ value:data];
195  }
196}
197
198- (size_t)serializedSizeAsMessageSetExtension {
199  size_t result = 0;
200  for (NSData *data in mutableLengthDelimitedList_) {
201    result += GPBComputeRawMessageSetExtensionSize(number_, data);
202  }
203  return result;
204}
205
206- (NSString *)description {
207  NSMutableString *description =
208      [NSMutableString stringWithFormat:@"<%@ %p>: Field: %d {\n",
209       [self class], self, number_];
210  [mutableVarintList_
211      enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
212#pragma unused(idx, stop)
213        [description appendFormat:@"\t%llu\n", value];
214      }];
215
216  [mutableFixed32List_
217      enumerateValuesWithBlock:^(uint32_t value, NSUInteger idx, BOOL *stop) {
218#pragma unused(idx, stop)
219        [description appendFormat:@"\t%u\n", value];
220      }];
221
222  [mutableFixed64List_
223      enumerateValuesWithBlock:^(uint64_t value, NSUInteger idx, BOOL *stop) {
224#pragma unused(idx, stop)
225        [description appendFormat:@"\t%llu\n", value];
226      }];
227
228  for (NSData *data in mutableLengthDelimitedList_) {
229    [description appendFormat:@"\t%@\n", data];
230  }
231
232  for (GPBUnknownFieldSet *set in mutableGroupList_) {
233    [description appendFormat:@"\t%@\n", set];
234  }
235  [description appendString:@"}"];
236  return description;
237}
238
239- (void)mergeFromField:(GPBUnknownField *)other {
240  GPBUInt64Array *otherVarintList = other.varintList;
241  if (otherVarintList.count > 0) {
242    if (mutableVarintList_ == nil) {
243      mutableVarintList_ = [otherVarintList copy];
244    } else {
245      [mutableVarintList_ addValuesFromArray:otherVarintList];
246    }
247  }
248
249  GPBUInt32Array *otherFixed32List = other.fixed32List;
250  if (otherFixed32List.count > 0) {
251    if (mutableFixed32List_ == nil) {
252      mutableFixed32List_ = [otherFixed32List copy];
253    } else {
254      [mutableFixed32List_ addValuesFromArray:otherFixed32List];
255    }
256  }
257
258  GPBUInt64Array *otherFixed64List = other.fixed64List;
259  if (otherFixed64List.count > 0) {
260    if (mutableFixed64List_ == nil) {
261      mutableFixed64List_ = [otherFixed64List copy];
262    } else {
263      [mutableFixed64List_ addValuesFromArray:otherFixed64List];
264    }
265  }
266
267  NSArray *otherLengthDelimitedList = other.lengthDelimitedList;
268  if (otherLengthDelimitedList.count > 0) {
269    if (mutableLengthDelimitedList_ == nil) {
270      mutableLengthDelimitedList_ = [otherLengthDelimitedList mutableCopy];
271    } else {
272      [mutableLengthDelimitedList_
273          addObjectsFromArray:otherLengthDelimitedList];
274    }
275  }
276
277  NSArray *otherGroupList = other.groupList;
278  if (otherGroupList.count > 0) {
279    if (mutableGroupList_ == nil) {
280      mutableGroupList_ =
281          [[NSMutableArray alloc] initWithCapacity:otherGroupList.count];
282    }
283    // Make our own mutable copies.
284    for (GPBUnknownFieldSet *group in otherGroupList) {
285      GPBUnknownFieldSet *copied = [group copy];
286      [mutableGroupList_ addObject:copied];
287      [copied release];
288    }
289  }
290}
291
292- (void)addVarint:(uint64_t)value {
293  if (mutableVarintList_ == nil) {
294    mutableVarintList_ = [[GPBUInt64Array alloc] initWithValues:&value count:1];
295  } else {
296    [mutableVarintList_ addValue:value];
297  }
298}
299
300- (void)addFixed32:(uint32_t)value {
301  if (mutableFixed32List_ == nil) {
302    mutableFixed32List_ =
303        [[GPBUInt32Array alloc] initWithValues:&value count:1];
304  } else {
305    [mutableFixed32List_ addValue:value];
306  }
307}
308
309- (void)addFixed64:(uint64_t)value {
310  if (mutableFixed64List_ == nil) {
311    mutableFixed64List_ =
312        [[GPBUInt64Array alloc] initWithValues:&value count:1];
313  } else {
314    [mutableFixed64List_ addValue:value];
315  }
316}
317
318- (void)addLengthDelimited:(NSData *)value {
319  if (mutableLengthDelimitedList_ == nil) {
320    mutableLengthDelimitedList_ =
321        [[NSMutableArray alloc] initWithObjects:&value count:1];
322  } else {
323    [mutableLengthDelimitedList_ addObject:value];
324  }
325}
326
327- (void)addGroup:(GPBUnknownFieldSet *)value {
328  if (mutableGroupList_ == nil) {
329    mutableGroupList_ = [[NSMutableArray alloc] initWithObjects:&value count:1];
330  } else {
331    [mutableGroupList_ addObject:value];
332  }
333}
334
335#pragma clang diagnostic pop
336
337@end
338