68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Initial Developer of the Original Code is Sun Microsystems,
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* Inc. Portions created by Sun are Copyright (C) 1999 Sun Microsystems,
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* Inc. All Rights Reserved.
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*/
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#include"PlugletList.h"
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PlugletList::PlugletList() {
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head = tail = NULL;
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}
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PlugletList::~PlugletList() {
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for(PlugletListNode * current=head;!current;delete current,current = current->next)
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;
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}
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PlugletList::PlugletListNode::PlugletListNode(Pluglet *v,PlugletList::PlugletListNode *n) {
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value = v; next = n;
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}
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void PlugletList::Add(Pluglet *pluglet) {
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if (!pluglet) {
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return;
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}
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if (!tail) {
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head = tail = new PlugletListNode(pluglet);
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} else {
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tail->next = new PlugletListNode(pluglet);
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if (tail->next) {
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tail = tail->next;
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}
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}
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}
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PlugletListIterator * PlugletList::GetIterator(void) {
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return new PlugletListIterator(this);
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}
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PlugletListIterator::PlugletListIterator(PlugletList *list) {
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current = list->head;
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}
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Pluglet * PlugletListIterator::Get(void) {
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Pluglet * result = NULL;
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if (current) {
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result = current->value;
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}
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return result;
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}
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Pluglet * PlugletListIterator::Next(void) {
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Pluglet * result = NULL;
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if (current) {
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current = current->next;
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result = Get();
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}
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return result;
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}
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