mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-21 03:13:42 +08:00
44d0dcaad2
re: https://github.com/Unidata/netcdf-c/issues/1584 Support has been added for multiple filters per variable. This affects a number of components in netcdf. The new APIs are documented in NUG/filters.md. The primary changes are: * A set of new functions are provided (see __include/netcdf_filter.h__). - Obtain a list of the filters associated with a variable - Obtain the parameters for a specific filter. * The existing __nc_inq_var_filter__ function now returns info about the first defined filter. * The utilities (ncgen, ncdump, and nccopy) now support an extended format for specifying a sequence of filters. The general form is __<filter>|<filter>..._. * The ncdump **_Filter** attribute now dumps a list of all the filters associated with a variable using the above new format. * Filter specifications can now use a filter name instead of number for filters known to the netcdf library, which in turn is taken from the HDF5 filter registration page. * New errors are defined: NC_EFILTER and NC_ENOFILTER. The latter is returned if an attempt is made to access an unknown filter. * Internally, the dispatch table has been extended to add a function to handle all of the filter functions. * New, filter-related, tests were added to nc_test4. * A new plugin was added to the plugins directory to help with testing. Notes: 1. The shuffle and fletcher32 filters are not part of the multifilter system. Misc. changes: 1. A debug module was added to libhdf5 to help catch error locations.
134 lines
2.6 KiB
C
134 lines
2.6 KiB
C
/* Copyright 2018, UCAR/Unidata See netcdf/COPYRIGHT file for copying
|
|
* and redistribution conditions.*/
|
|
/**
|
|
* @file
|
|
* @internal Dispatch code for HDF4. HDF4 access is read-only, for
|
|
* HDF4 SD files only.
|
|
*
|
|
* @author Ed Hartnett
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <stdlib.h>
|
|
#include "hdf4dispatch.h"
|
|
#include "nc4dispatch.h"
|
|
|
|
/* This is the dispatch object that holds pointers to all the
|
|
* functions that make up the HDF4 dispatch interface. */
|
|
static const NC_Dispatch HDF4_dispatcher = {
|
|
|
|
NC_FORMATX_NC_HDF4,
|
|
|
|
NC_RO_create,
|
|
NC_HDF4_open,
|
|
|
|
NC_RO_redef,
|
|
NC_RO__enddef,
|
|
NC_RO_sync,
|
|
NC_HDF4_abort,
|
|
NC_HDF4_close,
|
|
NC_RO_set_fill,
|
|
NC_HDF4_inq_format,
|
|
NC_HDF4_inq_format_extended,
|
|
|
|
NC4_inq,
|
|
NC4_inq_type,
|
|
|
|
NC_RO_def_dim,
|
|
NC4_inq_dimid,
|
|
NC4_inq_dim,
|
|
NC4_inq_unlimdim,
|
|
NC_RO_rename_dim,
|
|
|
|
NC4_inq_att,
|
|
NC4_inq_attid,
|
|
NC4_inq_attname,
|
|
NC_RO_rename_att,
|
|
NC_RO_del_att,
|
|
NC4_get_att,
|
|
NC_RO_put_att,
|
|
|
|
NC_RO_def_var,
|
|
NC4_inq_varid,
|
|
NC_RO_rename_var,
|
|
NC_HDF4_get_vara,
|
|
NC_RO_put_vara,
|
|
NCDEFAULT_get_vars,
|
|
NCDEFAULT_put_vars,
|
|
NCDEFAULT_get_varm,
|
|
NCDEFAULT_put_varm,
|
|
|
|
NC4_inq_var_all,
|
|
|
|
NC_NOTNC4_var_par_access,
|
|
NC_RO_def_var_fill,
|
|
|
|
NC4_show_metadata,
|
|
NC4_inq_unlimdims,
|
|
|
|
NC4_inq_ncid,
|
|
NC4_inq_grps,
|
|
NC4_inq_grpname,
|
|
NC4_inq_grpname_full,
|
|
NC4_inq_grp_parent,
|
|
NC4_inq_grp_full_ncid,
|
|
NC4_inq_varids,
|
|
NC4_inq_dimids,
|
|
NC4_inq_typeids,
|
|
NC4_inq_type_equal,
|
|
NC_NOTNC4_def_grp,
|
|
NC_NOTNC4_rename_grp,
|
|
NC4_inq_user_type,
|
|
NC4_inq_typeid,
|
|
|
|
NC_NOTNC4_def_compound,
|
|
NC_NOTNC4_insert_compound,
|
|
NC_NOTNC4_insert_array_compound,
|
|
NC_NOTNC4_inq_compound_field,
|
|
NC_NOTNC4_inq_compound_fieldindex,
|
|
NC_NOTNC4_def_vlen,
|
|
NC_NOTNC4_put_vlen_element,
|
|
NC_NOTNC4_get_vlen_element,
|
|
NC_NOTNC4_def_enum,
|
|
NC_NOTNC4_insert_enum,
|
|
NC_NOTNC4_inq_enum_member,
|
|
NC_NOTNC4_inq_enum_ident,
|
|
NC_NOTNC4_def_opaque,
|
|
NC_NOTNC4_def_var_deflate,
|
|
NC_NOTNC4_def_var_fletcher32,
|
|
NC_NOTNC4_def_var_chunking,
|
|
NC_NOTNC4_def_var_endian,
|
|
NC_NOTNC4_def_var_filter,
|
|
NC_NOTNC4_set_var_chunk_cache,
|
|
NC_NOTNC4_get_var_chunk_cache,
|
|
|
|
NC_NOTNC4_filter_actions,
|
|
};
|
|
|
|
const NC_Dispatch *HDF4_dispatch_table = NULL;
|
|
|
|
/**
|
|
* @internal Initialize HDF4 dispatch layer.
|
|
*
|
|
* @return ::NC_NOERR No error.
|
|
* @author Ed Hartnett
|
|
*/
|
|
int
|
|
NC_HDF4_initialize(void)
|
|
{
|
|
HDF4_dispatch_table = &HDF4_dispatcher;
|
|
return NC_NOERR;
|
|
}
|
|
|
|
/**
|
|
* @internal Finalize HDF4 dispatch layer.
|
|
*
|
|
* @return ::NC_NOERR No error.
|
|
* @author Ed Hartnett
|
|
*/
|
|
int
|
|
NC_HDF4_finalize(void)
|
|
{
|
|
return NC_NOERR;
|
|
}
|