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aeb3ac2809
re: https://github.com/Unidata/netcdf-c/issues/1836 Revert the internal filter code to simplify it. From the user's point of view, the only visible changes should be: 1. The functions that convert text to filter specs have had their signature reverted and have been moved to netcdf_aux.h 2. Some filter API functions now return NC_ENOFILTER when inquiry is made about some filter. Internally,the dispatch table has been modified to get rid of the filter_actions entry and associated complex structures. It has been replaced with inq_var_filter_ids and inq_var_filter_info entries and the dispatch table version has been bumped to 3. Corresponding NOOP and NOTNC4 functions were added to libdispatch/dnotnc4.c. Also, the filter_action entries in dispatch tables were replaced for all dispatch code bases (HDF5, DAP2, etc). This should only impact UDF users. In the process, it became clear that the form of the filters field in NC_VAR_INFO_T was format dependent, so I converted it to be of type void* and pushed its management into the various dispatch code bases. Specifically libhdf5 and libnczarr now manage the filters field in their own way. The auxilliary functions for parsing textual filter specifications were moved to netcdf_aux.h and were renamed to the following: * ncaux_h5filterspec_parse * ncaux_h5filterspec_parselist * ncaux_h5filterspec_free * ncaux_h5filter_fix8 Misc. Other Changes: 1. Document NUG/filters.md updated to reflect the changes above. 2. All the old data types (structs and enums) used by filter_actions actions were deleted. The exception is the NC_H5_Filterspec because it is needed by ncaux_h5filterspec_parselist. 3. Clientside filters were removed -- another enhancement for which no-one ever asked. 4. The ability to remove filters was itself removed. 5. Some functionality needed by nczarr was moved from libhdf5 to libsrc4 e.g. nc4_find_default_chunksizes 6. All the filterx code was removed 7. ncfilter.h and nc4filter.c no longer used Misc. Unrelated Changes: 1. The nczarr_test makefile clean was leaving some directories; so add clean-local to take care of them.
181 lines
5.9 KiB
C
181 lines
5.9 KiB
C
/* Copyright 2018-2018 University Corporation for Atmospheric
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Research/Unidata. */
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/**
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* @file
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* @internal Includes prototypes for libzarr dispatch functions.
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*
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* @author Dennis Heimbigner, Ed Hartnett
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*/
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#ifndef ZDISPATCH_H
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#define ZDISPATCH_H
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#include "zincludes.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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EXTERNL int NCZ_create(const char *path, int cmode, size_t initialsz, int basepe, size_t *chunksizehintp, void* parameters, const NC_Dispatch*, int);
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EXTERNL int NCZ_open(const char *path, int mode, int basepe, size_t *chunksizehintp, void* parameters, const NC_Dispatch*, int);
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EXTERNL int NCZ_redef(int ncid);
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EXTERNL int NCZ__enddef(int ncid, size_t h_minfree, size_t v_align, size_t v_minfree, size_t r_align);
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EXTERNL int NCZ_sync(int ncid);
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EXTERNL int NCZ_abort(int ncid);
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EXTERNL int NCZ_close(int ncid,void*);
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EXTERNL int NCZ_set_fill(int ncid, int fillmode, int *old_modep);
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EXTERNL int NCZ_set_base_pe(int ncid, int pe);
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EXTERNL int NCZ_inq_base_pe(int ncid, int *pe);
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EXTERNL int NCZ_inq_format(int ncid, int *formatp);
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EXTERNL int NCZ_inq_format_extended(int ncid, int *formatp, int *modep);
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EXTERNL int NCZ_inq(int ncid, int *ndimsp, int *nvarsp, int *nattsp, int *unlimdimidp);
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EXTERNL int NCZ_inq_type(int, nc_type, char *, size_t *);
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/* Begin _dim */
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EXTERNL int NCZ_def_dim(int ncid, const char *name, size_t len, int *idp);
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EXTERNL int NCZ_inq_dimid(int ncid, const char *name, int *idp);
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EXTERNL int NCZ_inq_dim(int ncid, int dimid, char *name, size_t *lenp);
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EXTERNL int NCZ_inq_unlimdim(int ncid, int *unlimdimidp);
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EXTERNL int NCZ_rename_dim(int ncid, int dimid, const char *name);
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/* End _dim */
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/* Begin _att */
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EXTERNL int NCZ_inq_att(int ncid, int varid, const char *name, nc_type *xtypep, size_t *lenp);
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EXTERNL int NCZ_inq_attid(int ncid, int varid, const char *name, int *idp);
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EXTERNL int NCZ_inq_attname(int ncid, int varid, int attnum, char *name);
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EXTERNL int NCZ_rename_att(int ncid, int varid, const char *name, const char *newname);
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EXTERNL int NCZ_del_att(int ncid, int varid, const char *name);
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/* End _att */
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/* Begin {put,get}_att */
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EXTERNL int NCZ_get_att(int ncid, int varid, const char *name, void *value, nc_type);
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EXTERNL int NCZ_put_att(int ncid, int varid, const char *name, nc_type file_type, size_t len, const void *data, nc_type mem_type);
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/* End {put,get}_att */
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/* Begin _var */
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EXTERNL int NCZ_def_var(int ncid, const char *name, nc_type xtype, int ndims, const int *dimidsp, int *varidp);
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EXTERNL int NCZ_inq_var_all(int ncid, int varid, char *name, nc_type *xtypep, int *ndimsp, int *dimidsp, int *nattsp, int *shufflep, int *deflatep, int *deflate_levelp, int *fletcher32p, int *contiguousp, size_t *chunksizesp, int *no_fill, void *fill_valuep, int *endiannessp, unsigned int* idp, size_t* nparamsp, unsigned int* params
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);
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EXTERNL int NCZ_inq_varid(int ncid, const char *name, int *varidp);
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EXTERNL int NCZ_rename_var(int ncid, int varid, const char *name);
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EXTERNL int NCZ_put_vara(int ncid, int varid, const size_t *start, const size_t *count, const void *value, nc_type);
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EXTERNL int NCZ_get_vara(int ncid, int varid, const size_t *start, const size_t *count, void *value, nc_type);
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extern int
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NCZ_put_vars(int ncid, int varid, const size_t *start, const size_t *count, const ptrdiff_t* stride, const void *value, nc_type);
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extern int
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NCZ_get_vars(int ncid, int varid, const size_t *start, const size_t *count, const ptrdiff_t* stride, void *value, nc_type);
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/* End _var */
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/* netCDF4 API only */
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EXTERNL int NCZ_inq_ncid(int, const char *, int *);
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EXTERNL int NCZ_inq_grps(int, int *, int *);
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EXTERNL int NCZ_inq_grpname(int, char *);
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EXTERNL int NCZ_inq_grpname_full(int, size_t *, char *);
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EXTERNL int NCZ_inq_grp_parent(int, int *);
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EXTERNL int NCZ_inq_grp_full_ncid(int, const char *, int *);
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EXTERNL int NCZ_inq_varids(int, int * nvars, int *);
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EXTERNL int NCZ_inq_dimids(int, int * ndims, int *, int);
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EXTERNL int NCZ_inq_typeids(int, int * ntypes, int *);
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EXTERNL int NCZ_inq_type_equal(int, nc_type, int, nc_type, int *);
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EXTERNL int NCZ_def_grp(int, const char *, int *);
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EXTERNL int NCZ_rename_grp(int, const char *);
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EXTERNL int NCZ_inq_user_type(int, nc_type, char *, size_t *, nc_type *, size_t *, int *);
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EXTERNL int NCZ_def_compound(int, size_t, const char *, nc_type *);
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EXTERNL int NCZ_insert_compound(int, nc_type, const char *, size_t, nc_type);
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EXTERNL int NCZ_insert_array_compound(int, nc_type, const char *, size_t, nc_type, int, const int *);
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EXTERNL int NCZ_inq_typeid(int, const char *, nc_type *);
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EXTERNL int NCZ_inq_compound_field(int, nc_type, int, char *, size_t *, nc_type *, int *, int *);
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EXTERNL int NCZ_inq_compound_fieldindex(int, nc_type, const char *, int *);
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EXTERNL int NCZ_def_vlen(int, const char *, nc_type base_typeid, nc_type *);
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EXTERNL int NCZ_put_vlen_element(int, int, void *, size_t, const void *);
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EXTERNL int NCZ_get_vlen_element(int, int, const void *, size_t *, void *);
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EXTERNL int NCZ_def_enum(int, nc_type, const char *, nc_type *);
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EXTERNL int NCZ_insert_enum(int, nc_type, const char *, const void *);
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EXTERNL int NCZ_inq_enum_member(int, nc_type, int, char *, void *);
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EXTERNL int NCZ_inq_enum_ident(int, nc_type, long long, char *);
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EXTERNL int NCZ_def_opaque(int, size_t, const char *, nc_type *);
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EXTERNL int NCZ_def_var_deflate(int, int, int, int, int);
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EXTERNL int NCZ_def_var_fletcher32(int, int, int);
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EXTERNL int NCZ_def_var_chunking(int, int, int, const size_t *);
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EXTERNL int NCZ_def_var_fill(int, int, int, const void *);
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EXTERNL int NCZ_def_var_endian(int, int, int);
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EXTERNL int NCZ_inq_unlimdims(int, int *, int *);
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EXTERNL int NCZ_def_var_filter(int ncid, int varid, unsigned int filterid, size_t nparams, const unsigned int *params);
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EXTERNL int NCZ_inq_var_filter_ids(int ncid, int varid, size_t* nfiltersp, unsigned int *filterids);
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EXTERNL int NCZ_inq_var_filter_info(int ncid, int varid, unsigned int filterid, size_t* nparamsp, unsigned int *params);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* ZDISPATCH_H */
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