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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/ref_counted_memory.h"
#include "base/logging.h"
namespace base {
bool RefCountedMemory::Equals(
const scoped_refptr<RefCountedMemory>& other) const {
return other.get() &&
size() == other->size() &&
(memcmp(front(), other->front(), size()) == 0);
}
RefCountedMemory::RefCountedMemory() = default;
RefCountedMemory::~RefCountedMemory() = default;
const unsigned char* RefCountedStaticMemory::front() const {
return data_;
}
size_t RefCountedStaticMemory::size() const {
return length_;
}
RefCountedStaticMemory::~RefCountedStaticMemory() = default;
RefCountedBytes::RefCountedBytes() = default;
RefCountedBytes::RefCountedBytes(const std::vector<unsigned char>& initializer)
: data_(initializer) {
}
RefCountedBytes::RefCountedBytes(const unsigned char* p, size_t size)
: data_(p, p + size) {}
RefCountedBytes::RefCountedBytes(size_t size) : data_(size, 0) {}
scoped_refptr<RefCountedBytes> RefCountedBytes::TakeVector(
std::vector<unsigned char>* to_destroy) {
scoped_refptr<RefCountedBytes> bytes(new RefCountedBytes);
bytes->data_.swap(*to_destroy);
return bytes;
}
const unsigned char* RefCountedBytes::front() const {
// STL will assert if we do front() on an empty vector, but calling code
// expects a NULL.
return size() ? &data_.front() : nullptr;
}
size_t RefCountedBytes::size() const {
return data_.size();
}
RefCountedBytes::~RefCountedBytes() = default;
RefCountedString::RefCountedString() = default;
RefCountedString::~RefCountedString() = default;
// static
scoped_refptr<RefCountedString> RefCountedString::TakeString(
std::string* to_destroy) {
scoped_refptr<RefCountedString> self(new RefCountedString);
to_destroy->swap(self->data_);
return self;
}
const unsigned char* RefCountedString::front() const {
return data_.empty() ? nullptr
: reinterpret_cast<const unsigned char*>(data_.data());
}
size_t RefCountedString::size() const {
return data_.size();
}
} // namespace base
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