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// Copyright 2016 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.
#ifndef MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_CARRAY_H_
#define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_CARRAY_H_
#include "mojo/public/cpp/bindings/array_traits.h"
namespace mojo {
template <typename T>
struct CArray {
CArray() : size(0), max_size(0), data(nullptr) {}
CArray(size_t size, size_t max_size, T* data)
: size(size), max_size(max_size), data(data) {}
size_t size;
const size_t max_size;
T* data;
};
template <typename T>
struct ConstCArray {
ConstCArray() : size(0), data(nullptr) {}
ConstCArray(size_t size, const T* data) : size(size), data(data) {}
size_t size;
const T* data;
};
template <typename T>
struct ArrayTraits<CArray<T>> {
using Element = T;
static bool IsNull(const CArray<T>& input) { return !input.data; }
static void SetToNull(CArray<T>* output) { output->data = nullptr; }
static size_t GetSize(const CArray<T>& input) { return input.size; }
static T* GetData(CArray<T>& input) { return input.data; }
static const T* GetData(const CArray<T>& input) { return input.data; }
static T& GetAt(CArray<T>& input, size_t index) { return input.data[index]; }
static const T& GetAt(const CArray<T>& input, size_t index) {
return input.data[index];
}
static bool Resize(CArray<T>& input, size_t size) {
if (size > input.max_size)
return false;
input.size = size;
return true;
}
};
template <typename T>
struct ArrayTraits<ConstCArray<T>> {
using Element = T;
static bool IsNull(const ConstCArray<T>& input) { return !input.data; }
static size_t GetSize(const ConstCArray<T>& input) { return input.size; }
static const T* GetData(const ConstCArray<T>& input) { return input.data; }
static const T& GetAt(const ConstCArray<T>& input, size_t index) {
return input.data[index];
}
};
} // namespace mojo
#endif // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_CARRAY_H_
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