// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXCODEC_JBIG2_JBIG2_LIST_H_
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#define CORE_FXCODEC_JBIG2_JBIG2_LIST_H_
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#include <stdlib.h>
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#include <vector>
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// A poor man's ScopedVector for pointers of TYPE.
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// Owns all the pointers contained within and deletes them on destruction.
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template <class TYPE>
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class CJBig2_List {
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public:
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CJBig2_List() {}
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explicit CJBig2_List(size_t count) { resize(count); }
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~CJBig2_List() { clear(); }
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TYPE* get(size_t index) const { return m_vector[index]; }
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TYPE* back() const { return m_vector.back(); }
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size_t size() const { return m_vector.size(); }
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// Deletes all the pointers contained within.
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void clear() {
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for (size_t i = 0; i < m_vector.size(); ++i)
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delete m_vector[i];
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m_vector.clear();
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}
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// Takes ownership of |pItem|.
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void push_back(TYPE* pItem) { m_vector.push_back(pItem); }
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// Takes ownership of |pItem|.
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void set(size_t index, TYPE* pItem) {
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delete m_vector[index];
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m_vector[index] = pItem;
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}
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void resize(size_t count) {
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for (size_t i = count; i < size(); ++i)
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delete m_vector[i];
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m_vector.resize(count);
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}
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private:
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std::vector<TYPE*> m_vector;
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};
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#endif // CORE_FXCODEC_JBIG2_JBIG2_LIST_H_
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