/*

 * rea.h --

 *

 *      Common header-file for dump-cm.c and dump-svg.c.

 *

 * Copyright (c) 2000 A. Mueller, Technical University of Braunschweig.

 * Copyright (c) 2005 K. Sperner, Technical University of Braunschweig.

 *

 * See the file "COPYING" for information on usage and redistribution

 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.

 *

 * @(#) $Id: rea.h 7382 2007-10-19 23:40:24Z schoenw $

 */

#ifndef _REA_H

#define _REA_H

#include <config.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <ctype.h>

#ifdef HAVE_WIN_H

#include "win.h"

#endif

#include "smi.h"

#include "smidump.h"

#define ABS(a) ((float)((a > 0.0) ? (a) : (-(a))))

typedef enum GraphCardinality {

    GRAPH_CARD_UNKNOWN            = 0,

    GRAPH_CARD_ONE_TO_ONE         = 1,

    GRAPH_CARD_ONE_TO_MANY        = 2,

    GRAPH_CARD_ZERO_TO_ONE        = 3,

    GRAPH_CARD_ZERO_TO_MANY       = 4,

    GRAPH_CARD_ONE_TO_ZERO_OR_ONE = 5

} GraphCardinality;

typedef enum GraphConnection {

    GRAPH_CON_UNKNOWN       = 0,

    GRAPH_CON_AGGREGATION   = 1,

    GRAPH_CON_DEPENDENCY    = 2,

    GRAPH_CON_ASSOCIATION   = 3

} GraphConnection;

typedef enum GraphEnhIndex {

    GRAPH_ENHINDEX_UNKNOWN      = 0,

    GRAPH_ENHINDEX_NOTIFICATION = 1,

    GRAPH_ENHINDEX_TYPES        = 2,

    GRAPH_ENHINDEX_NAMES        = 3,

    GRAPH_ENHINDEX_INDEX        = 4,

    GRAPH_ENHINDEX_REROUTE      = 5,

    GRAPH_ENHINDEX_POINTER      = 6

} GraphEnhIndex;

/*

 * Definition used by the dia output driver.

 */

#define DIA_PRINT_FLAG	0x01

typedef struct DiaNode {

    int   flags;		/* flags for the dia xml output driver */

    float x,y;			/* coordinates (left upper corner) */

    float xDisp,yDisp;		/* displacement vector for springembedder */

    float w,h;			/* width and height of the dia node */

    int relatedScalars;		/* has related scalars -> print them */

    int indexObjects;		/* has index objects -> print them */

} DiaNode;

typedef struct DiaEdge {

    int   flags;		/* flags for the dia xml output driver */

    float startX, startY;	/* Intersection of edge and startNode */

    float endX, endY;		/* Intersection of edge and endNode */

} DiaEdge;

/*

 * Generic structure for moduleInformation string-lists.

 */

typedef struct StringListElem {

    struct StringListElem *nextPtr;

    SmiStatus             status;

    char                  *miElem;

} StringListElem;

/*

 * Generic structures for the internal graph representation.

 */

typedef struct GraphComponent {

    struct GraphComponent *nextPtr;

    struct GraphNode      *firstComponentNode;

    float                 xMin;

    float                 xMax;

    float                 yMin;

    float                 yMax;

    float                 xOffset;

    float                 yOffset;

} GraphComponent;

typedef struct GraphNode {

    struct GraphNode *nextPtr;

    SmiNode          *smiNode;

    SmiModule        *smiModule;

    int              group;		/* group number of this graph node */

    int              use;		/* use node in the layout-algorithm */

    int              degree;		/* quantity of adjacent nodes */

    GraphComponent   *component;	/* component the node belongs to */

    struct GraphNode *nextComponentNode;

    DiaNode          dia;

} GraphNode;

typedef struct GraphEdge {

    struct GraphEdge *nextPtr;         

    GraphNode        *startNode;

    GraphNode        *endNode;

    SmiIndexkind     indexkind;

    GraphConnection  connection;

    GraphCardinality cardinality;

    GraphEnhIndex    enhancedindex;

    int              use;		/* use edge in the layout-algorithm */

    DiaEdge	     dia;

} GraphEdge;

typedef struct Graph {

    GraphNode      *nodes;

    GraphEdge      *edges;

    GraphComponent *components;

} Graph;

/*

 * driver output control

 */

extern int CANVASHEIGHT;

extern int CANVASWIDTH;

extern int SHOW_DEPRECATED;

extern int SHOW_DEPR_OBSOLETE;

extern int STATIC_OUTPUT;

extern int XPLAIN;

extern int XPLAIN_DEBUG;

extern int SUPPRESS_DEPRECATED;

extern int PRINT_DETAILED_ATTR;

extern int IGNORE_IMPORTED_NODES;

/*

 * global variables

 */

extern Graph *graph;

/*

 * help functions

 */

#ifndef max

#define max(a, b) ((a < b) ? b : a)

#endif

#ifndef min

#define min(a, b) ((a < b) ? a : b)

#endif

/* ------ Misc. -----------------                                            */

extern int cmpSmiNodes(SmiNode *node1, SmiNode *node2);

/* ------ Graph primitives ------                                            */

extern GraphNode *graphInsertNode(Graph *graph, SmiNode *smiNode);

extern GraphComponent *graphInsertComponent(Graph *graph);

extern void graphExit(Graph *graph);

extern GraphEdge *graphGetFirstEdgeByNode(Graph *graph, GraphNode *node);

extern GraphEdge *graphGetNextEdgeByNode(Graph *graph, 

					 GraphEdge *edge,

					 GraphNode *node);

extern void graphShowNodes(Graph *graph);

/* ------ algorithm primitives ------                                        */

extern int algGetNumberOfGroups();

extern char *algGetTypeDescription(SmiNode *smiNode);

extern char *algGetTypeName(SmiNode *smiNode);

extern SmiModule *algGetTypeModule(SmiNode *smiNode);

extern int isBaseType(SmiNode *node);

extern int algIsIndexElement(SmiNode *table, SmiNode *node);

/* -------------- main functions ------------------------------------------- */

extern void algLinkTables();

extern void algCheckLinksByName();

extern void algConnectLonelyNodes();

extern void algCheckForDependency();

extern void algCheckForPointerRels();

#endif