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