removed
This commit is contained in:
parent
73b5674c65
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97cf0e209b
2 changed files with 0 additions and 485 deletions
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@ -1,354 +0,0 @@
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// LinkedList.cc for Blackbox - an X11 Window manager
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// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// stupid macros needed to access some functions in version 2 of the GNU C
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// library
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif // _GNU_SOURCE
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#include "LinkedList.hh"
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#ifdef HAVE_CONFIG_H
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# include "../config.h"
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#endif // HAVE_CONFIG_H
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#ifdef HAVE_STDIO_H
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# include <stdio.h>
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#endif // HAVE_STDIO_H
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__llist_iterator::__llist_iterator(__llist *l) {
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// initialize the iterator...
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list = l;
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if (list) {
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if (! list->iterators)
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list->iterators = new __llist;
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list->iterators->insert(this);
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}
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reset();
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}
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__llist_iterator::~__llist_iterator(void) {
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if (list && list->iterators)
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list->iterators->remove(this);
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}
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void *__llist_iterator::current(void) {
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// return the current node data... if any
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return ((node) ? node->getData() : 0);
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}
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void __llist_iterator::reset(void) {
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// update the iterator's current node to the first node in the linked list
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if (list)
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node = list->_first;
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}
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const int __llist_iterator::set(const int index) {
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// set the current node to index
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if (list) {
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if (index < list->elements && index >= 0 && list->_first) {
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node = list->_first;
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for (register int i = 0; i < index; i++)
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node = node->getNext();
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return 1;
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}
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}
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node = (__llist_node *) 0;
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return 0;
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}
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void __llist_iterator::operator++(void) {
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// iterate to the next node in the list...
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node = ((node) ? node->getNext() : 0);
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}
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void __llist_iterator::operator++(int) {
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// iterate to the next node in the list...
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node = ((node) ? node->getNext() : 0);
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}
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__llist::__llist(void *d) {
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// initialize the linked list...
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_first = (__llist_node *) 0;
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_last = (__llist_node *) 0;
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iterators = (__llist *) 0;
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elements = 0;
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if (d) insert(d);
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}
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__llist::~__llist(void) {
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// remove all the items in the list...
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for (register int i = 0, r = elements; i < r; i++)
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remove(0);
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if (iterators) {
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__llist_node *n = iterators->_first;
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while (n) {
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((__llist_iterator *) n->getData())->list = (__llist *) 0;
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((__llist_iterator *) n->getData())->node = (__llist_node *) 0;
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n = n->getNext();
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}
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delete iterators;
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}
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}
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const int __llist::insert(void *d, int index) {
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// insert item into linked list at specified index...
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if ((! _first) || (! _last)) {
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// list is empty... insert the item as the first item, regardless of the
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// index given
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_first = new __llist_node;
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_first->setData(d);
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_first->setNext((__llist_node *) 0);
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_last = _first;
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} else {
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if (index == 0) {
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// if index is 0... prepend the data on the list
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__llist_node *nnode = new __llist_node;
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nnode->setData(d);
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nnode->setNext(_first);
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_first = nnode;
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} else if ((index == -1) || (index == elements)) {
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// if index is -1... append the data on the list
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__llist_node *nnode = new __llist_node;
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nnode->setData(d);
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nnode->setNext((__llist_node *) 0);
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_last->setNext(nnode);
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_last = nnode;
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} else if (index < elements) {
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// otherwise... insert the item at the position specified by index
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__llist_node *nnode = new __llist_node, *inode = _first->getNext();
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if (! nnode)
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return -1;
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nnode->setData(d);
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for (register int i = 1; i < index; i++)
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if (inode)
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inode = inode->getNext();
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else {
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delete nnode;
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return -1;
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}
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if ((! inode) || inode == _last) {
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nnode->setNext((__llist_node *) 0);
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_last->setNext(nnode);
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_last = nnode;
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} else {
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nnode->setNext(inode->getNext());
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inode->setNext(nnode);
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}
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}
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}
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return ++elements;
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}
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const int __llist::remove(void *d) {
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// remove list item whose data pointer address matches the pointer address
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// given
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if ((! _first) || (! _last))
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return -1;
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else if (_first->getData() == d) {
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// remove the first item in the list...
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__llist_node *node = _first;
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_first = _first->getNext();
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if (iterators && iterators->_first) {
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__llist_node *n = iterators->_first;
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while (n) {
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((__llist_iterator *) n->getData())->reset();
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n = n->getNext();
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}
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}
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--elements;
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delete node;
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return 0;
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} else {
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// iterate through the list and remove the first occurance of the item
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// NOTE: we don't validate _first in this assignment, because it is checked
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// for validity above...
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__llist_node *rnode = _first->getNext(), *prev = _first;
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for (register int i = 1; i < elements; i++)
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if (rnode)
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if (rnode->getData() == d) {
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// we found the item... update the previous node and delete the
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// now useless rnode...
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prev->setNext(rnode->getNext());
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if (rnode == _last)
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_last = prev;
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if (iterators && iterators->_first) {
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__llist_node *n = iterators->_first;
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while (n) {
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((__llist_iterator *) n->getData())->reset();
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n = n->getNext();
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}
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}
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--elements;
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delete rnode;
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return i;
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} else {
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prev = rnode;
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rnode = rnode->getNext();
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}
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return -1;
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}
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}
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void *__llist::remove(const int index) {
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if (index >= elements || index < 0 || (! _first) || (! _last))
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return (void *) 0;
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// remove list item at specified index within the list
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if (index == 0) {
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// remove the first item in the list...
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__llist_node *node = _first;
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void *data_return = _first->getData();
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_first = _first->getNext();
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if (iterators && iterators->_first) {
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__llist_node *n = iterators->_first;
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while (n) {
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((__llist_iterator *) n->getData())->reset();
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n = n->getNext();
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}
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}
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--elements;
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delete node;
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return data_return;
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} else {
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__llist_node *rnode = _first->getNext(), *prev = _first;
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void *data_return = (void *) 0;
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for (register int i = 1; i < index; i++)
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if (rnode) {
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prev = rnode;
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rnode = rnode->getNext();
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} else
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return (void *) 0;
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if (! rnode) return (void *) 0;
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prev->setNext(rnode->getNext());
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data_return = rnode->getData();
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if (rnode == _last)
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_last = prev;
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if (iterators && iterators->_first) {
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__llist_node *n = iterators->_first;
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while (n) {
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((__llist_iterator *) n->getData())->reset();
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n = n->getNext();
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}
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}
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--elements;
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data_return = rnode->getData();
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delete rnode;
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return data_return;
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}
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return (void *) 0;
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}
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void *__llist::find(const int index) {
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if (index >= elements || index < 0 || (! _first) || (! _last))
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return (void *) 0;
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if (index == 0) {
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// return the first item
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return first();
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} else if (index == (elements - 1)) {
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// return the last item
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return last();
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} else {
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__llist_node *fnode = _first->getNext();
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for (register int i = 1; i < index; i++)
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if (fnode)
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fnode = fnode->getNext();
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else
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return (void *) 0;
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return fnode->getData();
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}
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return (void *) 0;
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}
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void *__llist::first(void) {
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if (_first)
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return _first->getData();
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return (void *) 0;
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}
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void *__llist::last(void) {
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if (_last)
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return _last->getData();
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return (void *) 0;
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}
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@ -1,131 +0,0 @@
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// LinkedList.hh for Blackbox - an X11 Window manager
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// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#ifndef LINKEDLIST_HH
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#define LINKEDLIST_HH
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class __llist_node {
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private:
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__llist_node *next;
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void *data;
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protected:
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public:
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__llist_node(void) { next = (__llist_node *) 0; data = (void *) 0; }
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inline __llist_node *getNext(void) { return next; }
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inline void *getData(void) { return data; }
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inline void setData(void *d) { data = d; }
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inline void setNext(__llist_node *n) { next = n; }
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};
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// forward declaration
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class __llist;
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class __llist_iterator {
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private:
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__llist *list;
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__llist_node *node;
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friend class __llist;
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protected:
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__llist_iterator(__llist *);
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~__llist_iterator(void);
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const int set(const int);
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void *current(void);
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void reset(void);
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void operator++(void);
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void operator++(int);
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};
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class __llist {
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private:
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int elements;
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__llist_node *_first, *_last;
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__llist *iterators;
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friend class __llist_iterator;
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protected:
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__llist(void * = 0);
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~__llist(void);
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inline const int &count(void) const { return elements; }
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inline const int empty(void) const { return (elements == 0); }
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const int insert(void *, int = -1);
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const int remove(void *);
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void *find(const int);
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void *remove(const int);
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void *first(void);
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void *last(void);
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};
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template <class Z>
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class LinkedListIterator : public __llist_iterator {
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public:
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LinkedListIterator(__llist *d = 0) : __llist_iterator(d) { return; }
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inline Z *current(void) { return (Z *) __llist_iterator::current(); }
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inline const int set(const int i) { return __llist_iterator::set(i); }
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inline void reset(void) { __llist_iterator::reset(); }
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inline void operator++(void) { __llist_iterator::operator++(); }
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inline void operator++(int) { __llist_iterator::operator++(0); }
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};
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template <class Z>
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class LinkedList : public __llist {
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public:
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LinkedList(Z *d = 0) : __llist(d) { return; }
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inline Z *find(const int i) { return (Z *) __llist::find(i); }
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inline Z *remove(const int i) { return (Z *) __llist::remove(i); }
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inline Z *first(void) { return (Z *) __llist::first(); }
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inline Z *last(void) { return (Z *) __llist::last(); }
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inline const int count(void) const { return __llist::count(); }
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inline const int empty(void) const { return __llist::empty(); }
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inline const int insert(Z *d, int i = -1) { return __llist::insert((void *) d, i); }
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inline const int remove(Z *d) { return __llist::remove((void *) d); }
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};
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#endif // _LINKEDLIST_HH_
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