KyosoTechnology
/
Queue
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queueEx.h@1:07cddbd29781, 2021-11-22 (annotated)
- Committer:
- masaaki_makabe
- Date:
- Mon Nov 22 00:41:30 2021 +0000
- Revision:
- 1:07cddbd29781
- Child:
- 2:68ce6bdc0714
modified
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| masaaki_makabe | 1:07cddbd29781 | 1 | /** |
| masaaki_makabe | 1:07cddbd29781 | 2 | ****************************************************************************** |
| masaaki_makabe | 1:07cddbd29781 | 3 | * @file : queueEx.h |
| masaaki_makabe | 1:07cddbd29781 | 4 | * @brief : queue expansion |
| masaaki_makabe | 1:07cddbd29781 | 5 | ****************************************************************************** |
| masaaki_makabe | 1:07cddbd29781 | 6 | * @attention |
| masaaki_makabe | 1:07cddbd29781 | 7 | * |
| masaaki_makabe | 1:07cddbd29781 | 8 | ****************************************************************************** |
| masaaki_makabe | 1:07cddbd29781 | 9 | */ |
| masaaki_makabe | 1:07cddbd29781 | 10 | #ifndef QUEUEEX_h |
| masaaki_makabe | 1:07cddbd29781 | 11 | #define QUEUEEX_h |
| masaaki_makabe | 1:07cddbd29781 | 12 | |
| masaaki_makabe | 1:07cddbd29781 | 13 | #include "queue.h" |
| masaaki_makabe | 1:07cddbd29781 | 14 | |
| masaaki_makabe | 1:07cddbd29781 | 15 | class QueueEx : public Queue{ |
| masaaki_makabe | 1:07cddbd29781 | 16 | private: |
| masaaki_makabe | 1:07cddbd29781 | 17 | public: |
| masaaki_makabe | 1:07cddbd29781 | 18 | QueueEx(int iSize, int iCount) : Queue(iSize, iCount){ |
| masaaki_makabe | 1:07cddbd29781 | 19 | } |
| masaaki_makabe | 1:07cddbd29781 | 20 | bool Peek(int index, void* pvItem){ |
| masaaki_makabe | 1:07cddbd29781 | 21 | unsigned char *p = m_pnRdIndex; |
| masaaki_makabe | 1:07cddbd29781 | 22 | if (index < m_iLclCount){ |
| masaaki_makabe | 1:07cddbd29781 | 23 | for(int i = 0; i < index; i++){ |
| masaaki_makabe | 1:07cddbd29781 | 24 | p += m_iSize; |
| masaaki_makabe | 1:07cddbd29781 | 25 | if ( p >= m_pnTail ) p = m_pnHead; |
| masaaki_makabe | 1:07cddbd29781 | 26 | } |
| masaaki_makabe | 1:07cddbd29781 | 27 | memcpy( pvItem, p, m_iSize ); |
| masaaki_makabe | 1:07cddbd29781 | 28 | return true; |
| masaaki_makabe | 1:07cddbd29781 | 29 | } |
| masaaki_makabe | 1:07cddbd29781 | 30 | return false; |
| masaaki_makabe | 1:07cddbd29781 | 31 | } |
| masaaki_makabe | 1:07cddbd29781 | 32 | }; |
| masaaki_makabe | 1:07cddbd29781 | 33 | |
| masaaki_makabe | 1:07cddbd29781 | 34 | #endif/*QUEUEEX_h*/ |