dfhack/depends/protobuf/google/protobuf/repeated_field.cc

99 lines
3.6 KiB
C++

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#include <algorithm>
#include <google/protobuf/repeated_field.h>
#include <google/protobuf/stubs/common.h>
namespace google {
namespace protobuf {
namespace internal {
void RepeatedPtrFieldBase::Reserve(int new_size) {
if (total_size_ >= new_size) return;
void** old_elements = elements_;
total_size_ = max(total_size_ * 2, new_size);
elements_ = new void*[total_size_];
memcpy(elements_, old_elements, allocated_size_ * sizeof(elements_[0]));
if (old_elements != initial_space_) {
delete [] old_elements;
}
}
void RepeatedPtrFieldBase::Swap(RepeatedPtrFieldBase* other) {
void** swap_elements = elements_;
int swap_current_size = current_size_;
int swap_allocated_size = allocated_size_;
int swap_total_size = total_size_;
// We may not be using initial_space_ but it's not worth checking. Just
// copy it anyway.
void* swap_initial_space[kInitialSize];
memcpy(swap_initial_space, initial_space_, sizeof(initial_space_));
elements_ = other->elements_;
current_size_ = other->current_size_;
allocated_size_ = other->allocated_size_;
total_size_ = other->total_size_;
memcpy(initial_space_, other->initial_space_, sizeof(initial_space_));
other->elements_ = swap_elements;
other->current_size_ = swap_current_size;
other->allocated_size_ = swap_allocated_size;
other->total_size_ = swap_total_size;
memcpy(other->initial_space_, swap_initial_space, sizeof(swap_initial_space));
if (elements_ == other->initial_space_) {
elements_ = initial_space_;
}
if (other->elements_ == initial_space_) {
other->elements_ = other->initial_space_;
}
}
string* StringTypeHandlerBase::New() {
return new string;
}
void StringTypeHandlerBase::Delete(string* value) {
delete value;
}
} // namespace internal
} // namespace protobuf
} // namespace google