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/*
* Copyright 2018, University Corporation for Atmospheric Research
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*/
#include "ut_includes.h"
#define DATANAME "data"
#define OPT_NONE 0
#define OPT_OBJDUMP 1
#define OPT_TYPE 2
/* Command line options */
struct Options {
int debug;
int typetag;
int action;
char* infile;
} options;
/* Forward */
static int objdump(void);
#define NCCHECK(expr) nccheck((expr),__LINE__)
void nccheck(int stat, int line)
{
if(stat) {
fprintf(stderr,"%d: %s\n",line,nc_strerror(stat));
fflush(stderr);
exit(1);
}
}
static void
usage(void)
{
fprintf(stderr,"usage: z4dump <options> <file>\n");
exit(1);
}
int
main(int argc, char** argv)
{
int stat = NC_NOERR;
int c;
memset((void*)&options,0,sizeof(options));
/* Set defaults */
options.action = OPT_OBJDUMP;
while ((c = getopt(argc, argv, "dt")) != EOF) {
switch(c) {
case 'd':
options.debug = 1;
break;
case 't':
options.typetag = 1;
break;
case 'v':
usage();
goto done;
case '?':
fprintf(stderr,"unknown option\n");
goto fail;
}
}
/* get file argument */
argc -= optind;
argv += optind;
if (argc > 1) {
fprintf(stderr, "z4dump: only one input file argument permitted\n");
goto fail;
}
if (argc == 0) {
fprintf(stderr, "z4dump: no input file specified\n");
goto fail;
}
options.infile = strdup(argv[0]);
switch (options.action) {
case OPT_OBJDUMP:
if((stat = objdump())) goto done;
break;
default:
fprintf(stderr,"Unimplemented action\n");
goto fail;
}
done:
if(stat)
nc_strerror(stat);
return (stat ? 1 : 0);
fail:
stat = NC_EINVAL;
goto done;
}
static int
objdump(void)
{
int stat = NC_NOERR;
int i, ncid, grpid;
size_t len;
char* name = NULL;
NClist* stack = nclistnew(); /* stack for depth first walk */
int ngrps;
int* subgrps = NULL;
NCCHECK(nc_open(options.infile,NC_NETCDF4,&ncid));
/* Depth first walk all the groups */
nclistpush(stack,(void*)(uintptr_t)ncid);
while(nclistlength(stack) > 0) {
grpid = (uintptr_t)nclistget(stack,0); /* zero pos is always top of stack */
nclistremove(stack,0); /* pop stack */
NCCHECK(nc_inq_grpname_full(grpid,&len,NULL));
if((name = malloc(len+1)) == NULL)
{stat = NC_ENOMEM; goto done;}
NCCHECK(nc_inq_grpname_full(grpid,&len,name));
name[len] = '\0';
printf("%s",name);
if(options.typetag) {
int varid;
if((stat=nc_get_att_text(grpid,NC_GLOBAL,DATANAME,NULL)) == NC_NOERR) {
printf("(M)");
} else if((stat=nc_inq_varid(grpid,DATANAME,&varid)) == NC_NOERR) {
printf("(D)");
}
}
printf("\n");
nullfree(name); name = NULL; /* cleanup */
/* Get subgroups of grpid and push onto the stack in proper order */
NCCHECK(nc_inq_grps(grpid,&ngrps,NULL));
if(ngrps > 0) {
if((subgrps = malloc(sizeof(int)*ngrps)) == NULL)
{stat = NC_ENOMEM; goto done;}
NCCHECK(nc_inq_grps(grpid,&ngrps,subgrps));
for(i=(ngrps-1);i>=0;i--) {
nclistinsert(stack,0,(void*)(uintptr_t)subgrps[i]); /* push in order */
}
}
}
done:
return stat;
}
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