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126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsVoidArray_h___
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#define nsVoidArray_h___
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#include "nscore.h"
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class nsISizeOfHandler;
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// Enumerator callback function. Return PR_FALSE to stop
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typedef PRBool (*nsVoidArrayEnumFunc)(void* aElement, void *aData);
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/// A basic zero-based array of void*'s that manages its own memory
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class NS_BASE nsVoidArray {
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public:
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nsVoidArray();
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nsVoidArray(PRInt32 aCount); // initial count of aCount elements set to nsnull
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~nsVoidArray();
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nsVoidArray& operator=(const nsVoidArray& other);
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void SizeOf(nsISizeOfHandler* aHandler) const;
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PRInt32 Count() const {
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return mCount;
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}
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void* ElementAt(PRInt32 aIndex) const;
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void* operator[](PRInt32 aIndex) const { return ElementAt(aIndex); }
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PRInt32 IndexOf(void* aPossibleElement) const;
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PRBool InsertElementAt(void* aElement, PRInt32 aIndex);
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PRBool ReplaceElementAt(void* aElement, PRInt32 aIndex);
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PRBool AppendElement(void* aElement) {
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return InsertElementAt(aElement, mCount);
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}
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PRBool RemoveElement(void* aElement);
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PRBool RemoveElementAt(PRInt32 aIndex);
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void Clear();
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void Compact();
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PRBool EnumerateForwards(nsVoidArrayEnumFunc aFunc, void* aData);
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PRBool EnumerateBackwards(nsVoidArrayEnumFunc aFunc, void* aData);
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protected:
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void** mArray;
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PRInt32 mArraySize;
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PRInt32 mCount;
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private:
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/// Copy constructors are not allowed
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nsVoidArray(const nsVoidArray& other);
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};
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class nsString;
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typedef PRBool (*nsStringArrayEnumFunc)(nsString& aElement, void *aData);
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class NS_BASE nsStringArray: protected nsVoidArray
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{
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public:
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nsStringArray(void);
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~nsStringArray(void);
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nsStringArray& operator=(const nsStringArray& other);
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void SizeOf(nsISizeOfHandler* aHandler) const;
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PRInt32 Count(void) const {
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return mCount;
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}
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void StringAt(PRInt32 aIndex, nsString& aString) const;
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nsString* StringAt(PRInt32 aIndex) const;
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nsString* operator[](PRInt32 aIndex) const { return StringAt(aIndex); }
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PRInt32 IndexOf(const nsString& aPossibleString) const;
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PRInt32 IndexOfIgnoreCase(const nsString& aPossibleString) const;
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PRBool InsertStringAt(const nsString& aString, PRInt32 aIndex);
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PRBool ReplaceStringAt(const nsString& aString, PRInt32 aIndex);
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PRBool AppendString(const nsString& aString) {
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return InsertStringAt(aString, mCount);
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}
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PRBool RemoveString(const nsString& aString);
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PRBool RemoveStringIgnoreCase(const nsString& aString);
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PRBool RemoveStringAt(PRInt32 aIndex);
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void Clear(void);
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void Compact(void) {
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nsVoidArray::Compact();
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}
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PRBool EnumerateForwards(nsStringArrayEnumFunc aFunc, void* aData);
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PRBool EnumerateBackwards(nsStringArrayEnumFunc aFunc, void* aData);
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private:
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/// Copy constructors are not allowed
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nsStringArray(const nsStringArray& other);
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};
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#endif /* nsVoidArray_h___ */
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