core/src/fxcodec/jbig2/JBig2_List.h

// 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 _JBIG2_LIST_H_
#define _JBIG2_LIST_H_
#include "JBig2_Define.h"
#include "JBig2_Object.h"
template <class TYPE>
class CJBig2_List : public CJBig2_Object {
 public:
  CJBig2_List(int32_t nSize = 8) {
    m_nSize = nSize;
    m_pArray = (TYPE**)m_pModule->JBig2_Malloc2(sizeof(TYPE*), nSize);
    m_nLength = 0;
  }

  ~CJBig2_List() {
    clear();
    m_pModule->JBig2_Free(m_pArray);
  }

  void clear() {
    int32_t i;
    for (i = 0; i < m_nLength; i++) {
      delete m_pArray[i];
    }
    m_nLength = 0;
  }

  void addItem(TYPE* pItem) {
    if (m_nLength >= m_nSize) {
      m_nSize += 8;
      m_pArray =
          (TYPE**)m_pModule->JBig2_Realloc(m_pArray, sizeof(TYPE*) * m_nSize);
    }
    m_pArray[m_nLength++] = pItem;
  }

  int32_t getLength() { return m_nLength; }

  TYPE* getAt(int32_t nIndex) { return m_pArray[nIndex]; }

  TYPE* getLast() { return m_pArray[m_nLength - 1]; }

 private:
  int32_t m_nSize;
  TYPE** m_pArray;
  int32_t m_nLength;
};
#endif