repeated_field.cc revision fbaaef999ba563838ebd00874ed8a1c01fbf286d 
1// Protocol Buffers - Google's data interchange format
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30
31// Author: kenton@google.com (Kenton Varda)
32//  Based on original Protocol Buffers design by
33//  Sanjay Ghemawat, Jeff Dean, and others.
34
35#include <google/protobuf/repeated_field.h>
36#include <google/protobuf/stubs/common.h>
37
38namespace google {
39namespace protobuf {
40namespace internal {
41
42void RepeatedPtrFieldBase::Swap(RepeatedPtrFieldBase* other) {
43  void** swap_elements       = elements_;
44  int    swap_current_size   = current_size_;
45  int    swap_allocated_size = allocated_size_;
46  int    swap_total_size     = total_size_;
47  // We may not be using initial_space_ but it's not worth checking.  Just
48  // copy it anyway.
49  void* swap_initial_space[kInitialSize];
50  memcpy(swap_initial_space, initial_space_, sizeof(initial_space_));
51
52  elements_       = other->elements_;
53  current_size_   = other->current_size_;
54  allocated_size_ = other->allocated_size_;
55  total_size_     = other->total_size_;
56  memcpy(initial_space_, other->initial_space_, sizeof(initial_space_));
57
58  other->elements_       = swap_elements;
59  other->current_size_   = swap_current_size;
60  other->allocated_size_ = swap_allocated_size;
61  other->total_size_     = swap_total_size;
62  memcpy(other->initial_space_, swap_initial_space, sizeof(swap_initial_space));
63
64  if (elements_ == other->initial_space_) {
65    elements_ = initial_space_;
66  }
67  if (other->elements_ == initial_space_) {
68    other->elements_ = other->initial_space_;
69  }
70}
71
72string* StringTypeHandlerBase::New() {
73  return new string;
74}
75void StringTypeHandlerBase::Delete(string* value) {
76  delete value;
77}
78
79
80} // namespace internal
81
82}  // namespace protobuf
83}  // namespace google
84