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