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// LinkedList.hh for Blackbox - an X11 Window manager
// Copyright (c) 1997 - 1999 by Brad Hughes, bhughes@tcac.net
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// (See the included file COPYING / GPL-2.0)
//
#ifndef __LinkedList_hh
#define __LinkedList_hh
class __llist_node {
private:
__llist_node *next;
void *data;
protected:
public:
__llist_node(void) { next = (__llist_node *) 0; data = (void *) 0; }
void *getData(void) { return data; }
__llist_node *getNext(void) { return next; }
void setData(void *d) { data = d; }
void setNext(__llist_node *n) { next = n; }
};
// forward declaration
class __llist;
class __llist_iterator {
private:
__llist *list;
__llist_node *node;
protected:
__llist_iterator(__llist *);
const int set(const int);
void *current(void);
void reset(void);
void operator++(int);
};
class __llist {
private:
int elements;
__llist_node *_first, *_last;
friend __llist_iterator;
protected:
__llist(void * = 0);
~__llist(void);
const int count(void) const { return elements; }
const int empty(void) const { return (elements == 0); }
const int insert(void *, int = -1);
const int remove(void *);
void *find(const int);
void *remove(const int);
void *first(void);
void *last(void);
};
template <class Z>
class LinkedListIterator : public __llist_iterator {
public:
LinkedListIterator(__llist *d = 0) : __llist_iterator(d) { return; }
Z *current(void) { return (Z *) __llist_iterator::current(); }
const int set(const int i) { return __llist_iterator::set(i); }
void reset(void) { __llist_iterator::reset(); }
void operator++(int a) { __llist_iterator::operator++(a); }
};
template <class Z>
class LinkedList : public __llist {
public:
LinkedList(Z *d = 0) : __llist(d) { return; }
Z *find(const int i) { return (Z *) __llist::find(i); }
Z *remove(const int i) { return (Z *) __llist::remove(i); }
Z *first(void) { return (Z *) __llist::first(); }
Z *last(void) { return (Z *) __llist::last(); }
const int count(void) const { return __llist::count(); }
const int empty(void) const { return __llist::empty(); }
const int insert(Z *d, int i = -1) { return __llist::insert((void *) d, i); }
const int remove(Z *d) { return __llist::remove((void *) d); }
};
#endif // __LinkedList_hh
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