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/**
* @file
* @brief supports user-supplied data
*
* The ingraphs library works with libcgraph with all user-supplied data.
* For this to work, the include file relies upon its context to supply
* a definition of @ref Agraph_t.
*
* @ingroup cgraph_app
*/
/*************************************************************************
* 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
#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef GVDLL
#ifdef EXPORT_CGHDR
#define CGHDR_API __declspec(dllexport)
#else
#define CGHDR_API __declspec(dllimport)
#endif
#endif
#ifndef CGHDR_API
#define CGHDR_API /* nothing */
#endif
typedef struct {
union {
char** Files;
Agraph_t** Graphs;
} u;
int ctr;
int ingraphs;
void *fp;
Agraph_t *(*readf)(const char *, void *);
bool heap;
unsigned errors;
} ingraph_state;
CGHDR_API ingraph_state *newIngraph(ingraph_state *, char **);
CGHDR_API ingraph_state *newIng(ingraph_state *, char **,
Agraph_t *(*readf)(const char *, void *));
CGHDR_API ingraph_state *newIngGraphs(ingraph_state *, Agraph_t **,
Agraph_t *(*readf)(const char *, void *));
CGHDR_API void closeIngraph(ingraph_state * sp);
CGHDR_API Agraph_t *nextGraph(ingraph_state *);
CGHDR_API char *fileName(ingraph_state *);
#ifdef __cplusplus
}
#endif
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