Agraph_t *agmemread(char *cp)
{
/* cast into a file pointer, but flag that this is in-memory input */
aglexinit((FILE *) cp, (memgets)); /* memgets defined above */
agparse();
return AG.parsed_g;
}
Agraph_t *agread(FILE * fp)
{
int rv;
aglexinit(fp, NULL); /* use fgets from current io discipline */
rv = agparse();
return finish(rv, AG.parsed_g);
}
Agraph_t *agread_usergets(FILE * fp, gets_f usergets)
{
int rv;
gets_f savefgets = AG.fgets;
AG.fgets = usergets; /* usergets provided externally */
aglexinit(fp, NULL);
rv = agparse();
AG.fgets = savefgets;
return finish(rv, AG.parsed_g);
}
Agraph_t *agread(FILE * fp)
{
/* check if this is a graphml (XML) file by trying to
transform it via xslt into graphviz's native format. */
Agraph_t* retval;
fp = graphml_parse(fp);
aglexinit(fp, (fgets)); /* use system fgets */
agparse();
return AG.parsed_g;
}
Agraph_t *agmemread(char *cp)
{
int rv;
gets_f savefgets = AG.fgets;
AG.fgets = memgets; /* memgets defined above */
/* cast cp into a file pointer */
aglexinit((FILE *) cp, NULL);
rv = agparse();
AG.fgets = savefgets;
return finish(rv, AG.parsed_g);
}
Agraph_t *agread_usergets(FILE * fp, gets_f usergets)
{
aglexinit(fp, (usergets)); /* usergets provided externally */
agparse();
return AG.parsed_g;
}
Agraph_t *agread(FILE * fp)
{
aglexinit(fp, (fgets)); /* use system fgets */
agparse();
return AG.parsed_g;
}
