/misc/src/release/graphviz-2.18-1/src/graphviz-2.18/lib/circogen/nodelist.h

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00001 /* $Id: nodelist.h,v 1.2 2005/02/24 00:57:33 ellson Exp $ $Revision: 1.2 $ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /**********************************************************
00005 *      This software is part of the graphviz package      *
00006 *                http://www.graphviz.org/                 *
00007 *                                                         *
00008 *            Copyright (c) 1994-2004 AT&T Corp.           *
00009 *                and is licensed under the                *
00010 *            Common Public License, Version 1.0           *
00011 *                      by AT&T Corp.                      *
00012 *                                                         *
00013 *        Information and Software Systems Research        *
00014 *              AT&T Research, Florham Park NJ             *
00015 **********************************************************/
00016 
00017 #ifdef __cplusplus
00018 extern "C" {
00019 #endif
00020 
00021 #ifndef NODELIST_H
00022 #define NODELIST_H
00023 
00024 #include  <render.h>
00025 
00026     typedef struct nodelistitem nodelistitem_t;
00027 
00028     struct nodelistitem {
00029         node_t *curr;
00030         nodelistitem_t *next;
00031         nodelistitem_t *prev;
00032     };
00033 
00034     typedef struct {
00035         nodelistitem_t *first;
00036         nodelistitem_t *last;
00037         int sz;
00038     } nodelist_t;
00039 
00040     extern nodelist_t *mkNodelist(void);
00041     extern void freeNodelist(nodelist_t *);
00042     extern int sizeNodelist(nodelist_t * list);
00043 
00044     extern void appendNodelist(nodelist_t *, nodelistitem_t *,
00045                                Agnode_t * n);
00046 /* extern void removeNodelist(nodelist_t* list, Agnode_t* n); */
00047 /* extern int node_exists(nodelist_t* list, Agnode_t* n); */
00048 /* extern int nodename_exists(nodelist_t* list, char* n); */
00049     extern int node_position(nodelist_t * list, Agnode_t * n);
00050 
00051     extern void realignNodelist(nodelist_t * list, nodelistitem_t * n);
00052     extern void insertNodelist(nodelist_t *, Agnode_t *, Agnode_t *, int);
00053 
00054     extern void reverseAppend(nodelist_t *, nodelist_t *);
00055     extern nodelist_t *reverseNodelist(nodelist_t * list);
00056     extern nodelist_t *cloneNodelist(nodelist_t * list);
00057 
00058 #ifdef DEBUG
00059     extern void printNodelist(nodelist_t * list);
00060 #endif
00061 
00062 #endif
00063 
00064 #ifdef __cplusplus
00065 }
00066 #endif

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