gprstate.h

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <sfio/sfio.h>
#include "cgraph.h"
#include <ast/ast.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <expr/expr.h>
#include "gvpr.h"
 
    typedef enum { TV_flat, TV_ne, TV_en, 
                   TV_bfs, 
                   TV_dfs, TV_fwd, TV_rev,
                   TV_postdfs, TV_postfwd, TV_postrev,
                   TV_prepostdfs, TV_prepostfwd, TV_prepostrev,
    } trav_type;
 
    typedef struct {
        Agraph_t *curgraph;
        Agraph_t *nextgraph;
        Agraph_t *target;
        Agraph_t *outgraph;
        Agobj_t *curobj;
        Exdisc_t *dp;
        Exerror_f errf;
        Exexit_f exitf;
        char *tgtname;
        char *infname;
        FILE *outFile;
        trav_type tvt;
        Agnode_t *tvroot;
        Agnode_t *tvnext;
        Agedge_t *tvedge;
        int name_used;
        int argc;
        char **argv;
        int flags;
        gvprbinding* bindings;
        size_t n_bindings;
    } Gpr_t;
 
    typedef struct {
        FILE *outFile;
        int argc;
        char **argv;
        Exerror_f errf;
        Exexit_f exitf;
        int flags;
    } gpr_info;
 
    extern Gpr_t *openGPRState(gpr_info*);
    extern void addBindings(Gpr_t* state, gvprbinding*);
    extern gvprbinding* findBinding(Gpr_t* state, char*);
    extern void closeGPRState(Gpr_t* state);
    extern void initGPRState(Gpr_t *);
    extern bool validTVT(long long);
 
#ifdef __cplusplus
}
#endif