100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
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// vim: set sts=8 ts=2 sw=2 tw=99 et:
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//
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// Copyright (C) 2013-2014, David Anderson and AlliedModders LLC
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of AlliedModders LLC nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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#ifndef _include_amtl_fixedarray_h_
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#define _include_amtl_fixedarray_h_
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#include <am-utility.h>
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#include <am-allocator-policies.h>
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#include <am-moveable.h>
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namespace ke {
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template <typename T, typename AllocPolicy = SystemAllocatorPolicy>
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class FixedArray : public AllocPolicy
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{
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public:
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FixedArray(size_t length, AllocPolicy = AllocPolicy()) {
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length_ = length;
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data_ = (T *)this->malloc(sizeof(T) * length_);
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if (!data_)
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return;
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for (size_t i = 0; i < length_; i++)
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new (&data_[i]) T();
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}
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~FixedArray() {
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for (size_t i = 0; i < length_; i++)
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data_[i].~T();
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this->free(data_);
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}
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// This call may be skipped if the allocator policy is infallible.
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bool initialize() {
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return length_ == 0 || !!data_;
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}
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size_t length() const {
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return length_;
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}
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T &operator [](size_t index) {
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return at(index);
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}
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const T &operator [](size_t index) const {
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return at(index);
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}
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T &at(size_t index) {
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assert(index < length());
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return data_[index];
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}
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const T &at(size_t index) const {
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assert(index < length());
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return data_[index];
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}
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void set(size_t index, const T &t) {
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assert(index < length());
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data_[index] = t;
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}
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void set(size_t index, ke::Moveable<T> t) {
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assert(index < length());
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data_[index] = t;
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}
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private:
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FixedArray(const FixedArray &other) KE_DELETE;
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FixedArray &operator =(const FixedArray &other) KE_DELETE;
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private:
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size_t length_;
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T *data_;
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};
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} // namespace ke
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#endif // _include_amtl_fixedarray_h_
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