JNIEXPORT jint JNICALL
Java_hdf_hdflib_HDFLibrary_Vntagrefs
(JNIEnv *env, jclass clss, jlong vgroup_id)
{
int32 rval;
rval = Vntagrefs((int32)vgroup_id);
if (rval == FAIL)
CALL_ERROR_CHECK();
return (jint)rval;
}
int vgroup_insert(int32 infile_id,
int32 outfile_id,
int32 sd_id, /* SD interface identifier */
int32 sd_out, /* SD interface identifier */
int32 gr_id, /* GR interface identifier */
int32 gr_out, /* GR interface identifier */
int32 vgroup_id_out_par, /* output parent group ID */
char*path_name, /* absolute path for input group name */
int32* in_tags, /* tag list for parent group */
int32* in_refs, /* ref list for parent group */
int npairs, /* number tag/ref pairs for parent group */
list_table_t *list_tbl,
dim_table_t *td1,
dim_table_t *td2,
options_t *options)
{
int32 vg_id; /* vgroup identifier for opened group in input */
int32 ntagrefs; /* number of tag/ref pairs in a vgroup */
int32 *tags=NULL; /* buffer to hold the tag numbers of vgroups */
int32 *refs=NULL; /* buffer to hold the ref numbers of vgroups */
int32 vgroup_id_out =-1; /* vgroup identifier for the created group in output */
char *vg_name;
char *vg_class;
char *path=NULL;
uint16 name_len;
int visited;
int32 tag;
int32 ref;
int i;
for ( i = 0; i < npairs; i++ )
{
tag = in_tags[i];
ref = in_refs[i];
switch(tag)
{
/*-------------------------------------------------------------------------
* DFTAG_VG
*-------------------------------------------------------------------------
*/
case DFTAG_VG:
visited = list_table_search(list_tbl,DFTAG_VG,ref);
/*-------------------------------------------------------------------------
* open input
*-------------------------------------------------------------------------
*/
vg_id = Vattach (infile_id, ref, "r");
/* Get vgroup's name */
if (Vgetnamelen(vg_id, &name_len)==FAIL)
{
printf("Error: Could not get name length for group with ref <%d>\n", ref);
goto out;
}
vg_name = (char *) HDmalloc(sizeof(char) * (name_len+1));
if (Vgetname (vg_id, vg_name)==FAIL)
{
printf( "Could not get name for group\n");
goto out;
}
/* Get vgroup's class name */
if (Vgetclassnamelen(vg_id, &name_len)==FAIL)
{
printf("Error: Could not get name length for group with ref <%d>\n", ref);
goto out;
}
vg_class = (char *) HDmalloc(sizeof(char) * (name_len+1));
if (Vgetclass (vg_id, vg_class)==FAIL)
{
printf( "Could not get class for group\n");
goto out;
}
/* ignore reserved HDF groups/vdatas */
if( is_reserved(vg_class))
{
if (Vdetach (vg_id)==FAIL)
{
printf( "Could not detach group\n");
goto out;
}
continue;
}
if(strcmp(vg_name,GR_NAME)==0)
{
if (Vdetach (vg_id)==FAIL)
{
printf( "Could not detach group\n");
goto out;
}
continue;
}
/*-------------------------------------------------------------------------
* create the group in output or create the link
*-------------------------------------------------------------------------
*/
if (options->trip==1)
{
if ( visited < 0 )
{
/*
* create the group in the output file. the vgroup reference number
* is set to -1 for creating and the access mode is "w" for writing
*/
vgroup_id_out = Vattach (outfile_id, -1, "w");
if (Vsetname (vgroup_id_out, vg_name)==FAIL)
{
printf("Error: Could not create group <%s>\n", vg_name);
goto out;
}
if (Vsetclass (vgroup_id_out, vg_class)==FAIL)
{
printf("Error: Could not create group <%s>\n", vg_name);
goto out;
}
if (copy_vgroup_attrs(vg_id,vgroup_id_out,path,options)<0)
goto out;
if (copy_vg_an(infile_id,outfile_id,vg_id,vgroup_id_out,path,options)<0)
goto out;
}
else
{
/* open previously visited group */
vgroup_id_out = Vattach (outfile_id, ref, "r");
}
/* insert the created (or opened) vgroup into its parent */
if (Vinsert (vgroup_id_out_par, vgroup_id_out)==FAIL)
{
printf("Could not insert group <%s>\n", vg_name);
goto out;
}
} /* create the group in output or create the link */
/*-------------------------------------------------------------------------
* if group not visited, add to table and check for more tag/ref pairs
*-------------------------------------------------------------------------
*/
/* check if already visited */
if ( visited < 0 )
{
/* initialize path */
path=get_path(path_name,vg_name);
/* add object to table */
list_table_add(list_tbl,tag,ref,path);
if (options->verbose)
printf(PFORMAT,"","","",path);
if ( options->trip==0 )
{
/*we must go to other groups always */
}
/* insert objects for this group */
ntagrefs = Vntagrefs(vg_id);
if ( ntagrefs > 0 )
{
tags = (int32 *) malloc(sizeof(int32) * ntagrefs);
refs = (int32 *) malloc(sizeof(int32) * ntagrefs);
if (Vgettagrefs(vg_id, tags, refs, ntagrefs)<0)
goto out;
/* recurse */
if (vgroup_insert(
infile_id,
outfile_id,
sd_id,
sd_out,
gr_id,
gr_out,
vgroup_id_out,
path,
tags,
refs,
ntagrefs,
list_tbl,
td1,
td2,
options)<0) {
goto out;
}
free (tags);
tags=NULL;
free (refs);
refs=NULL;
} /* ntagrefs > 0 */
if (path)
free(path);
} /* check if already visited */
if(Vdetach (vg_id)==FAIL)
{
printf("Error: Could not detach group <%s>\n", vg_name);
goto out;
}
if (options->trip==1)
{
if (Vdetach (vgroup_id_out)==FAIL)
{
printf("Error: Could not detach group <%s>\n", vg_name);
goto out;
}
}
break;
/*-------------------------------------------------------------------------
* SDS
*-------------------------------------------------------------------------
*/
case DFTAG_SD: /* Scientific Data */
case DFTAG_SDG: /* Scientific Data Group */
case DFTAG_NDG: /* Numeric Data Group */
/* copy dataset */
if (copy_sds(sd_id,
sd_out,
tag,ref,
vgroup_id_out_par,
path_name,
options,
list_tbl,
td1,
td2,
infile_id,
outfile_id)<0)
return FAIL;
break;
/*-------------------------------------------------------------------------
* Image
*-------------------------------------------------------------------------
*/
case DFTAG_RI: /* Raster Image */
case DFTAG_CI: /* Compressed Image */
case DFTAG_RIG: /* Raster Image Group */
case DFTAG_RI8: /* Raster-8 image */
case DFTAG_CI8: /* RLE compressed 8-bit image */
case DFTAG_II8: /* IMCOMP compressed 8-bit image */
/* copy GR */
if (copy_gr(infile_id,
outfile_id,
gr_id,
gr_out,
tag,
ref,
vgroup_id_out_par,
path_name,
options,
list_tbl)<0)
return FAIL;
break;
/*-------------------------------------------------------------------------
* Vdata
*-------------------------------------------------------------------------
*/
case DFTAG_VH: /* Vdata Header */
if (copy_vs(infile_id,
outfile_id,
tag,
ref,
vgroup_id_out_par,
path_name,
options,
list_tbl,
0)<0)
return FAIL;
break;
} /* switch */
} /* i */
return SUCCEED;
out:
if (tags!=NULL)
free (tags);
if (refs!=NULL)
free (refs);
return FAIL;
}
int list_vg(int32 infile_id,
int32 outfile_id,
int32 sd_id,
int32 sd_out,
int32 gr_id,
int32 gr_out,
list_table_t *list_tbl,
dim_table_t *td1,
dim_table_t *td2,
options_t *options)
{
int32 vg_id; /* vgroup identifier */
int32 nlones = 0; /* number of lone vgroups */
int32 ntagrefs; /* number of tag/ref pairs in a vgroup */
int32 *ref_array=NULL;/* buffer to hold the ref numbers of lone vgroups */
int32 *tags=NULL; /* buffer to hold the tag numbers of vgroups */
int32 *refs=NULL; /* buffer to hold the ref numbers of vgroups */
int32 vgroup_id_out=0;/* vgroup identifier */
int32 tag_vg;
int32 ref_vg;
char *vg_name;
char *vg_class;
uint16 name_len;
int32 i;
/*-------------------------------------------------------------------------
* initialize the V interface
*-------------------------------------------------------------------------
*/
if (Vstart(infile_id) == FAIL)
{
return FAIL;
}
if (options->trip==1)
{
if (Vstart(outfile_id) == FAIL)
{
return FAIL;
}
}
/*-------------------------------------------------------------------------
* get and print the names and class names of all the lone vgroups.
* first, call Vlone with nlones set to 0 to get the number of
* lone vgroups in the file, but not to get their reference numbers.
*-------------------------------------------------------------------------
*/
nlones = Vlone (infile_id, NULL, nlones );
if (nlones > 0)
{
/*
* use the nlones returned to allocate sufficient space for the
* buffer ref_array to hold the reference numbers of all lone vgroups,
*/
ref_array = (int32 *) malloc(sizeof(int32) * nlones);
/*
* and call Vlone again to retrieve the reference numbers into
* the buffer ref_array.
*/
nlones = Vlone (infile_id, ref_array, nlones);
/*
* iterate tru each lone vgroup.
*/
for (i = 0; i < nlones; i++)
{
int32 ref = ref_array[i];
uint16 name_len;
/*
* attach to the current vgroup then get its
* name and class. note: the current vgroup must be detached before
* moving to the next.
*/
if ((vg_id = Vattach (infile_id, ref, "r"))==FAIL)
{
printf("Error: Could not attach group with ref <%d>\n", ref);
goto out;
}
/* Get vgroup's name */
if (Vgetnamelen(vg_id, &name_len)==FAIL)
{
printf("Error: Could not get name length for group with ref <%d>\n", ref);
goto out;
}
vg_name = (char *) HDmalloc(sizeof(char) * (name_len+1));
if (Vgetname (vg_id, vg_name)==FAIL)
{
printf( "Could not get name for group\n");
goto out;
}
/* Get vgroup's class name */
if (Vgetclassnamelen(vg_id, &name_len)==FAIL)
{
printf("Error: Could not get name length for group with ref <%d>\n", ref);
goto out;
}
vg_class = (char *) HDmalloc(sizeof(char) * (name_len+1));
if (Vgetclass (vg_id, vg_class)==FAIL)
{
printf( "Could not get class for group\n");
goto out;
}
/* ignore reserved HDF groups/vdatas */
if( is_reserved(vg_class))
{
if (Vdetach (vg_id)==FAIL)
{
printf( "Could not detach group\n");
goto out;
}
continue;
}
if(strcmp(vg_name,GR_NAME)==0)
{
if (Vdetach (vg_id)==FAIL)
{
printf( "Could not detach group\n");
goto out;
}
continue;
}
/* get ref, tag */
if ((ref_vg = VQueryref(vg_id))==FAIL)
{
printf( "Failed to get ref for <%s>\n", vg_name);
goto out;
}
if ((tag_vg = VQuerytag(vg_id))==FAIL)
{
printf( "Failed to get tag for <%s>\n", vg_name);
goto out;
}
/*-------------------------------------------------------------------------
* add object to table
*-------------------------------------------------------------------------
*/
list_table_add(list_tbl,tag_vg,ref_vg,vg_name);
if (options->verbose)
printf(PFORMAT,"","","",vg_name);
if (options->trip==1)
{
/*
* create the group in the output file. the vgroup reference number is set
* to -1 for creating and the access mode is "w" for writing
*/
vgroup_id_out = Vattach (outfile_id, -1, "w");
if (Vsetname (vgroup_id_out, vg_name)==FAIL)
{
printf("Error: Could not create group <%s>\n", vg_name);
goto out;
}
if (Vsetclass (vgroup_id_out, vg_class)==FAIL)
{
printf("Error: Could not create group <%s>\n", vg_name);
goto out;
}
if (copy_vgroup_attrs(vg_id,vgroup_id_out,vg_name,options)<0)
goto out;
if (copy_vg_an(infile_id,outfile_id,vg_id,vgroup_id_out,vg_name,options)<0)
goto out;
}
/* insert objects for this group */
ntagrefs = Vntagrefs(vg_id);
if ( ntagrefs > 0 )
{
tags = (int32 *) malloc(sizeof(int32) * ntagrefs);
refs = (int32 *) malloc(sizeof(int32) * ntagrefs);
if (Vgettagrefs(vg_id, tags, refs, ntagrefs)<0)
goto out;
if (vgroup_insert(infile_id,
outfile_id,
sd_id,
sd_out,
gr_id,
gr_out,
vgroup_id_out,
vg_name,
tags,
refs,
ntagrefs,
list_tbl,
td1,
td2,
options)<0) {
goto out;
}
free (tags);
tags=NULL;
free (refs);
refs=NULL;
}
if(Vdetach (vg_id)==FAIL)
{
printf("Error: Could not detach group <%s>\n", vg_name);
goto out;
}
if (options->trip==1)
{
if (Vdetach (vgroup_id_out)==FAIL)
{
printf("Error: Could not detach group <%s>\n", vg_name);
goto out;
}
}
free (vg_name);
} /* for nlones */
/* free the space allocated */
if (ref_array!=NULL)
free (ref_array);
} /* if nlones */
/*-------------------------------------------------------------------------
* terminate access to the V interface
*-------------------------------------------------------------------------
*/
if (Vend (infile_id)==FAIL)
{
printf("Error: Could not end group interface in <%s>\n", vg_name);
return FAIL;
}
if (options->trip==1)
{
if (Vend (outfile_id)==FAIL){
printf("Error: Could not end group interface in <%s>\n", vg_name);
return FAIL;
}
}
return SUCCEED;
out:
Vend (infile_id);
if (options->trip==1)
Vend (outfile_id);
/* free the space allocated */
if (ref_array!=NULL)
free (ref_array);
if (tags!=NULL)
free (tags);
if (refs!=NULL)
free (refs);
return FAIL;
}
static int init_Vgroups(coda_hdf4_product *product)
{
int32 vgroup_ref;
int result;
int i;
vgroup_ref = Vgetid(product->file_id, -1);
while (vgroup_ref != -1)
{
if (product->num_vgroup % BLOCK_SIZE == 0)
{
coda_hdf4_Vgroup **vgroup;
int i;
vgroup = realloc(product->vgroup, (product->num_vgroup + BLOCK_SIZE) * sizeof(coda_hdf4_Vgroup *));
if (vgroup == NULL)
{
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
(long)(product->num_vgroup + BLOCK_SIZE) * sizeof(coda_hdf4_Vgroup *), __FILE__,
__LINE__);
return -1;
}
product->vgroup = vgroup;
for (i = product->num_vgroup; i < product->num_vgroup + BLOCK_SIZE; i++)
{
product->vgroup[i] = NULL;
}
}
product->num_vgroup++;
/* This will not yet create the links to the entries of the Vgroup */
product->vgroup[product->num_vgroup - 1] = coda_hdf4_Vgroup_new(product, vgroup_ref);
if (product->vgroup[product->num_vgroup - 1] == NULL)
{
return -1;
}
vgroup_ref = Vgetid(product->file_id, vgroup_ref);
}
/* Now for each Vgroup create the links to its entries */
for (i = 0; i < product->num_vgroup; i++)
{
coda_hdf4_Vgroup *type;
int32 num_entries;
type = product->vgroup[i];
num_entries = Vntagrefs(type->vgroup_id);
if (num_entries < 0)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
return -1;
}
if (num_entries > 0 && !type->hide)
{
int32 *tags;
int32 *refs;
int j;
type->entry = malloc(num_entries * sizeof(coda_hdf4_type *));
if (type->entry == NULL)
{
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
(long)num_entries * sizeof(coda_hdf4_type *), __FILE__, __LINE__);
return -1;
}
tags = malloc(num_entries * sizeof(int32));
if (tags == NULL)
{
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
(long)num_entries * sizeof(int32), __FILE__, __LINE__);
return -1;
}
refs = malloc(num_entries * sizeof(int32));
if (refs == NULL)
{
coda_set_error(CODA_ERROR_OUT_OF_MEMORY, "out of memory (could not allocate %lu bytes) (%s:%u)",
(long)num_entries * sizeof(int32), __FILE__, __LINE__);
free(tags);
return -1;
}
result = Vgettagrefs(type->vgroup_id, tags, refs, num_entries);
if (result != num_entries)
{
coda_set_error(CODA_ERROR_HDF4, NULL);
free(refs);
free(tags);
return -1;
}
for (j = 0; j < num_entries; j++)
{
int32 index;
int k;
switch (tags[j])
{
case DFTAG_RIG:
case DFTAG_RI:
case DFTAG_RI8:
index = GRreftoindex(product->gr_id, (uint16)refs[j]);
if (index != -1)
{
for (k = 0; k < product->num_images; k++)
{
if (product->gri[k]->index == index)
{
product->gri[k]->group_count++;
if (coda_type_record_create_field(type->definition, product->gri[k]->gri_name,
(coda_type *)product->gri[k]->definition) != 0)
{
free(refs);
free(tags);
return -1;
}
type->entry[type->definition->num_fields - 1] = (coda_hdf4_type *)product->gri[k];
break;
}
}
/* if k == product->num_images then the Vgroup links to a non-existent GRImage and
* we ignore the entry */
}
/* if index == -1 then the Vgroup links to a non-existent GRImage and we ignore the entry */
break;
case DFTAG_SD:
case DFTAG_SDG:
case DFTAG_NDG:
index = SDreftoindex(product->sd_id, refs[j]);
if (index != -1)
{
for (k = 0; k < product->num_sds; k++)
{
if (product->sds[k]->index == index)
{
product->sds[k]->group_count++;
if (coda_type_record_create_field(type->definition, product->sds[k]->sds_name,
(coda_type *)product->sds[k]->definition) != 0)
{
free(refs);
free(tags);
return -1;
}
type->entry[type->definition->num_fields - 1] = (coda_hdf4_type *)product->sds[k];
break;
}
}
/* if k == product->num_sds then the Vgroup links to a non-existent SDS and
* we ignore the entry */
}
/* if index == -1 then the Vgroup links to a non-existent SDS and we ignore the entry */
break;
case DFTAG_VH:
case DFTAG_VS:
for (k = 0; k < product->num_vdata; k++)
{
if (product->vdata[k]->ref == refs[j])
{
if (!product->vdata[k]->hide)
{
product->vdata[k]->group_count++;
if (coda_type_record_create_field(type->definition, product->vdata[k]->vdata_name,
(coda_type *)product->vdata[k]->definition) != 0)
{
free(refs);
free(tags);
return -1;
}
type->entry[type->definition->num_fields - 1] = (coda_hdf4_type *)product->vdata[k];
}
break;
}
}
/* if k == product->num_vdata then the Vgroup links to a non-existent Vdata and
* we ignore the entry */
break;
case DFTAG_VG:
for (k = 0; k < product->num_vgroup; k++)
{
if (product->vgroup[k]->ref == refs[j])
{
if (!product->vgroup[k]->hide)
{
product->vgroup[k]->group_count++;
if (coda_type_record_create_field(type->definition, product->vgroup[k]->vgroup_name,
(coda_type *)product->vgroup[k]->definition) != 0)
{
free(refs);
free(tags);
return -1;
}
type->entry[type->definition->num_fields - 1] =
(coda_hdf4_type *)product->vgroup[k];
}
break;
}
}
/* if k == product->num_vgroup then the Vgroup links to a non-existent Vgroup and
* we ignore the entry */
break;
default:
/* The Vgroup contains an unsupported item and we ignore the entry */
break;
}
}
free(refs);
free(tags);
}
}
return 0;
}
int main( )
{
/************************* Variable declaration **************************/
intn status_n; /* returned status for functions returning an intn */
int32 status_32, /* returned status for functions returning an int32 */
file_id, vgroup_id, vgroup_ref, vdata_id, vdata_ref,
num_of_records, num_of_vals_per_rec, record_pos,
obj_index, /* index of an object within a vgroup */
num_of_pairs, /* number of tag/ref number pairs, i.e., objects */
obj_tag, obj_ref, /* tag/ref number of an HDF object */
vgroup_pos = 0; /* position of a vgroup in the file */
float32 databuf[N_RECORDS][N_VALS_PER_REC];
int16 rec_num;
/********************** End of variable declaration ***********************/
char FIELDNAME_LIST[MAX_FIELDNAME_LIST_LENGTH];
memset(FIELDNAME_LIST, 0x00, MAX_FIELDNAME_LIST_LENGTH);
int i;
for (i = 0; i < N_VALS_PER_REC; i++) {
char buffer[256];
if (i == 0) {
sprintf(buffer, "%d", i);
} else {
sprintf(buffer, " %d", i);
}
strcat(FIELDNAME_LIST, buffer);
}
file_id = Hopen (FILE_NAME, DFACC_READ, 0);
status_n = Vstart (file_id);
vgroup_ref = -1;
vgroup_ref = Vgetid (file_id, vgroup_ref);
if (vgroup_ref == -1) exit(1);
vgroup_ref = Vgetid (file_id, vgroup_ref);
if (vgroup_ref == -1) exit(1);
vgroup_id = Vattach (file_id, vgroup_ref, "r");
num_of_pairs = Vntagrefs (vgroup_id);
if (num_of_pairs > 0)
{
printf ("\nVgroup #%d contains:\n", vgroup_pos);
for (obj_index = 0; obj_index < num_of_pairs; obj_index++)
{
status_n = Vgettagref (vgroup_id, obj_index, &obj_tag, &obj_ref);
printf ("tag = %d, ref = %d", obj_tag, obj_ref);
if (Visvg (vgroup_id, obj_ref))
printf (" <-- is a vgroup\n");
else if (Visvs (vgroup_id, obj_ref)) {
printf (" <-- is a vdata\n");
vdata_ref = VSfind (file_id, VDATA_NAME);
vdata_id = VSattach (file_id, vdata_ref, "r");
status_n = VSsetfields (vdata_id, FIELDNAME_LIST);
record_pos = VSseek (vdata_id, RECORD_INDEX);
num_of_records =
VSread (vdata_id, (uint8 *)databuf, N_RECORDS, FULL_INTERLACE);
for (rec_num = 0; rec_num < num_of_records; rec_num++)
{
for (num_of_vals_per_rec = 0; num_of_vals_per_rec < N_VALS_PER_REC; num_of_vals_per_rec++) {
printf ("%6.2f\n", databuf[rec_num][num_of_vals_per_rec]);
}
}
}
else {
printf (" <-- neither vdata nor vgroup\n");
}
} /* for */
} /* if */
else
printf ("Vgroup #%d contains no HDF objects\n", vgroup_pos);
/*
* Terminate access to the current vgroup.
*/
status_32 = Vdetach (vgroup_id);
/*
* Move to the next vgroup position.
*/
vgroup_pos++;
/*
* Terminate access to the V interface and close the file.
*/
status_n = Vend (file_id);
status_n = Hclose (file_id);
return 0;
}
