145 lines
3.0 KiB
C++
145 lines
3.0 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is TransforMiiX XSLT processor.
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*
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* The Initial Developer of the Original Code is The MITRE Corporation.
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* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
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*
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* Portions created by Keith Visco as a Non MITRE employee,
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* (C) 1999 Keith Visco. All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco, kvisco@ziplink.net
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* -- original author.
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* Bob Miller, kbob@oblix.com
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* -- plugged core leak.
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*
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* $Id: StringList.h,v 1.9 2001-04-08 14:34:37 peterv%netscape.com Exp $
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*/
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/**
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* A class for keeping an ordered list of Strings
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* @author <a href="mailto:kvisco@ziplink.net">Keith Visco</a>
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* @version $Revision: 1.9 $ $Date: 2001-04-08 14:34:37 $
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**/
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#ifndef TRANSFRMX_STRINGLIST_H
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#define TRANSFRMX_STRINGLIST_H
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#include "TxString.h"
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#include "baseutils.h"
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class StringList {
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friend class StringListIterator;
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public:
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/**
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* Creates an empty StringList
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**/
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StringList();
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/**
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* StringList destructor
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**/
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virtual ~StringList();
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MBool contains(String& search);
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/**
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* Returns the number of Strings in this List
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**/
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Int32 getLength();
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/**
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* Returns a StringListIterator for this StringList
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**/
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StringListIterator* iterator();
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/**
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* Adds the given String to the list
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**/
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void add(String* strptr);
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/**
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* Removes the given String pointer from the list
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**/
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String* remove(String* strptr);
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/**
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* Removes all Strings equal to the given String from the list
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* All removed strings will be destroyed
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**/
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void remove(String& search);
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protected:
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struct StringListItem {
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StringListItem* nextItem;
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StringListItem* prevItem;
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String* strptr;
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};
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private:
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StringListItem* firstItem;
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StringListItem* lastItem;
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Int32 itemCount;
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void insertAfter(String* strptr, StringListItem* sItem);
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void insertBefore(String* strptr, StringListItem* sItem);
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/**
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* Removes the given StringListItem pointer from the list
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**/
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StringListItem* remove(StringListItem* sItem);
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};
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class StringListIterator {
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public:
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StringListIterator(StringList* list);
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virtual ~StringListIterator();
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void add(String* strptr);
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MBool hasNext();
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MBool hasPrevious();
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String* next();
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String* previous();
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String* remove();
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void reset();
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private:
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StringList::StringListItem* currentItem;
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StringList* stringList;
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MBool allowRemove;
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};
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#endif
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