CNEdge.h

Go to the documentation of this file.

#ifndef CNEDGE_H
#define CNEDGE_H

#include "CNObject.h"
#include "CNType.h"
#include "CNForwarders.h"

struct CNEdge {
        struct CNObject                         superClass ;
        struct CNNode *                         producerNode ;
        struct CNNode *                         consumerNode ;
        CNBoolean                                       isVisited ;
} ;

typedef void (*CNPrintEdgeFuncRef)(struct CNText * buf, const struct CNEdge * src) ;

struct CNEdgeMethods {
        struct CNObjectMethods          superClass ;
        CNPrintEdgeFuncRef                      printEdge ;
} ;

struct CNEdge *
CNAllocateEdge(struct CNGraph * parent, size_t size, const struct CNEdgeMethods * methods) ;

static inline void
CNRetainEdge(struct CNEdge * dst)
{
        CNRetainObject(&(dst->superClass)) ;
}

static inline void
CNReleaseEdge(struct CNEdge * dst)
{
        CNReleaseObject(&(dst->superClass)) ;
}

static inline struct CNResource *
CNResourceOfEdge(struct CNEdge * src)
{
        return CNResourceOfObject(&(src->superClass)) ;
}

static inline struct CNObject *
CNObjectOfEdge(struct CNEdge * src)
{
        return &(src->superClass) ;
}

void
CNDestroyContextOfEdge(struct CNEdge * dst) ;

static inline void
CNPrintEdge(struct CNText * buf, const struct CNEdge * src)
{
        const struct CNEdgeMethods * methods = (const struct CNEdgeMethods *) CNMethodsOfObject(&(src->superClass)) ;
        (*(methods->printEdge))(buf, src) ;
}

static inline struct CNNode *
CNProducerNodeOfEdge(const struct CNEdge * src)
{
        return src->producerNode ;
}

void
CNSetProducerNodeToEdge(struct CNEdge * dst, struct CNNode * src) ;

static inline struct CNNode *
CNConsumerNodeOfEdge(const struct CNEdge * src)
{
        return src->consumerNode ;
}

void
CNSetConsumerNodeToEdge(struct CNEdge * dst, struct CNNode * src) ;

static inline CNBoolean
CNIsVisitedEdge(const struct CNEdge * src)
{
        return src->isVisited ;
}

static inline void
CNSetVisitedEdge(struct CNEdge * dst, CNBoolean flag)
{
        dst->isVisited = flag ;
}

#endif  /* CNEDGE */