68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/* Insert copyright and license here 1995 */
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#ifndef _nsUint8Array_H_
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#define _nsUint8Array_H_
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#include "nscore.h"
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#include "nsCRT.h"
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#include "prmem.h"
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#include "msgCore.h"
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class NS_MSG_BASE nsUint8Array
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{
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public:
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// Construction
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nsUint8Array();
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// Attributes
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PRInt32 GetSize() const;
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PRInt32 GetUpperBound() const;
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void SetSize(PRInt32 nNewSize, PRInt32 nGrowBy = -1);
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void AllocateSpace(PRUint32 nNewSize) { if (nNewSize == 0) return; PRInt32 saveSize = m_nSize; SetSize(nNewSize); m_nSize = saveSize;};
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// Operations
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// Clean up
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void FreeExtra();
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void RemoveAll();
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// Accessing elements
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PRUint8 GetAt(PRInt32 nIndex) const;
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void SetAt(PRInt32 nIndex, PRUint8 newElement);
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PRUint8& ElementAt(PRInt32 nIndex);
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// Potentially growing the array
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void SetAtGrow(PRInt32 nIndex, PRUint8 newElement);
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PRInt32 Add(PRUint8 newElement);
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// overloaded operator helpers
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PRUint8 operator[](PRInt32 nIndex) const;
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PRUint8& operator[](PRInt32 nIndex);
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// Operations that move elements around
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nsresult InsertAt(PRInt32 nIndex, PRUint8 newElement, PRInt32 nCount = 1);
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void RemoveAt(PRInt32 nIndex, PRInt32 nCount = 1);
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nsresult InsertAt(PRInt32 nStartIndex, nsUint8Array* pNewArray);
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// use carefully!
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PRUint8* GetArray(void) {return((PRUint8*)m_pData);} // only valid until another function called on the array (like GetBuffer() in CString)
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// Implementation
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protected:
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PRUint8* m_pData; // the actual array of data
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PRInt32 m_nSize; // # of elements (upperBound - 1)
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PRInt32 m_nMaxSize; // max allocated
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PRInt32 m_nGrowBy; // grow amount
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public:
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~nsUint8Array();
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#ifdef _DEBUG
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void AssertValid() const;
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#endif
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};
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#endif
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