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Split H5Tconv.c into modules by type
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| Original file line number | Diff line number | Diff line change |
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| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | ||
| * Copyright by The HDF Group. * | ||
| * All rights reserved. * | ||
| * * | ||
| * This file is part of HDF5. The full HDF5 copyright notice, including * | ||
| * terms governing use, modification, and redistribution, is contained in * | ||
| * the COPYING file, which can be found at the root of the source code * | ||
| * distribution tree, or in https://www.hdfgroup.org/licenses. * | ||
| * If you do not have access to either file, you may request a copy from * | ||
| * [email protected]. * | ||
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | ||
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| #ifndef H5Tconv_H | ||
| #define H5Tconv_H | ||
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| /* Private headers needed by this file */ | ||
| #include "H5private.h" | ||
| #include "H5Sprivate.h" | ||
| #include "H5Tprivate.h" | ||
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| /**************************/ | ||
| /* Library Private Macros */ | ||
| /**************************/ | ||
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| /* Length of debugging name buffer */ | ||
| #define H5T_NAMELEN 32 | ||
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| /****************************/ | ||
| /* Library Private Typedefs */ | ||
| /****************************/ | ||
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| /* Forward reference of H5S_t */ | ||
| struct H5S_t; | ||
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| /* Structure for conversion callback property */ | ||
| typedef struct H5T_conv_cb_t { | ||
| H5T_conv_except_func_t func; | ||
| void *user_data; | ||
| } H5T_conv_cb_t; | ||
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| /* Context struct for information used during datatype conversions. | ||
| * Which union member is valid to read from is dictated by the | ||
| * accompanying H5T_cdata_t structure's H5T_cmd_t member value. | ||
| */ | ||
| typedef struct H5T_conv_ctx_t { | ||
| union { | ||
| /* | ||
| * Fields only valid during conversion function initialization | ||
| * (H5T_cmd_t H5T_CONV_INIT) | ||
| */ | ||
| struct H5T_conv_ctx_init_fields { | ||
| H5T_conv_cb_t cb_struct; | ||
| } init; | ||
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| /* | ||
| * Fields only valid during conversion function conversion | ||
| * process (H5T_cmd_t H5T_CONV_CONV) | ||
| */ | ||
| struct H5T_conv_ctx_conv_fields { | ||
| H5T_conv_cb_t cb_struct; | ||
| hid_t dxpl_id; | ||
| hid_t src_type_id; | ||
| hid_t dst_type_id; | ||
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| /* Is conversion currently being done on a member of | ||
| * a container type, like a compound datatype? If so, | ||
| * cached information can be reused rather than creating | ||
| * and tearing it down for every compound element. | ||
| */ | ||
| bool recursive; | ||
| } conv; | ||
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| /* | ||
| * Fields only valid during conversion function free process | ||
| * (H5T_cmd_t H5T_CONV_FREE) | ||
| */ | ||
| struct H5T_conv_ctx_free_fields { | ||
| hid_t src_type_id; | ||
| hid_t dst_type_id; | ||
| } free; | ||
| } u; | ||
| } H5T_conv_ctx_t; | ||
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| /* Library internal datatype conversion functions are... */ | ||
| typedef herr_t (*H5T_lib_conv_t)(const H5T_t *src, const H5T_t *dst, H5T_cdata_t *cdata, | ||
| const H5T_conv_ctx_t *conv_ctx, size_t nelmts, size_t buf_stride, | ||
| size_t bkg_stride, void *buf, void *bkg); | ||
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| /* Conversion callbacks */ | ||
| typedef struct H5T_conv_func_t { | ||
| bool is_app; /* Whether conversion function is registered from application */ | ||
| union { | ||
| H5T_conv_t app_func; /* Application data conversion function */ | ||
| H5T_lib_conv_t lib_func; /* Library internal data conversion function */ | ||
| } u; | ||
| } H5T_conv_func_t; | ||
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| #ifdef H5T_DEBUG | ||
| /* Statistics about a conversion function */ | ||
| typedef struct H5T_stats_t { | ||
| unsigned ncalls; /*num calls to conversion function */ | ||
| hsize_t nelmts; /*total data points converted */ | ||
| H5_timevals_t times; /*total time for conversion */ | ||
| } H5T_stats_t; | ||
| #endif | ||
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| /* The datatype conversion database */ | ||
| typedef struct H5T_path_t { | ||
| char name[H5T_NAMELEN]; /*name for debugging only */ | ||
| H5T_t *src; /*source datatype */ | ||
| H5T_t *dst; /*destination datatype */ | ||
| H5T_conv_func_t conv; /* Conversion function */ | ||
| bool is_hard; /*is it a hard function? */ | ||
| bool is_noop; /*is it the noop conversion? */ | ||
| H5T_cdata_t cdata; /*data for this function */ | ||
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| #ifdef H5T_DEBUG | ||
| H5T_stats_t stats; /*statistics for the conversion */ | ||
| #endif | ||
| } H5T_path_t; | ||
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| /* The master list of soft conversion functions */ | ||
| typedef struct H5T_soft_t { | ||
| char name[H5T_NAMELEN]; /*name for debugging only */ | ||
| H5T_class_t src; /*source datatype class */ | ||
| H5T_class_t dst; /*destination datatype class */ | ||
| H5T_conv_func_t conv; /*the conversion function */ | ||
| } H5T_soft_t; | ||
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| /* Values for the optimization of compound data reading and writing. They indicate | ||
| * whether the fields of the source and destination are subset of each other and | ||
| * there is no conversion needed. | ||
| */ | ||
| typedef enum { | ||
| H5T_SUBSET_BADVALUE = -1, /* Invalid value */ | ||
| H5T_SUBSET_FALSE = 0, /* Source and destination aren't subset of each other */ | ||
| H5T_SUBSET_SRC, /* Source is the subset of dest and no conversion is needed */ | ||
| H5T_SUBSET_DST, /* Dest is the subset of source and no conversion is needed */ | ||
| H5T_SUBSET_CAP /* Must be the last value */ | ||
| } H5T_subset_t; | ||
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| typedef struct H5T_subset_info_t { | ||
| H5T_subset_t subset; /* See above */ | ||
| size_t copy_size; /* Size in bytes, to copy for each element */ | ||
| } H5T_subset_info_t; | ||
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| /*****************************/ | ||
| /* Library-private Variables */ | ||
| /*****************************/ | ||
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| /***************************************/ | ||
| /* Library-private Function Prototypes */ | ||
| /***************************************/ | ||
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| H5_DLL herr_t H5T_convert(H5T_path_t *tpath, const H5T_t *src_type, const H5T_t *dst_type, size_t nelmts, | ||
| size_t buf_stride, size_t bkg_stride, void *buf, void *bkg); | ||
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| /* Helper function for H5T_convert that accepts a pointer to a H5T_conv_ctx_t structure */ | ||
| H5_DLL herr_t H5T_convert_with_ctx(H5T_path_t *tpath, const H5T_t *src_type, const H5T_t *dst_type, | ||
| const H5T_conv_ctx_t *conv_ctx, size_t nelmts, size_t buf_stride, | ||
| size_t bkg_stride, void *buf, void *bkg); | ||
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| /* Conversion path and path table routines */ | ||
| H5_DLL H5T_path_t *H5T_path_find(const H5T_t *src, const H5T_t *dst); | ||
| H5_DLL bool H5T_path_noop(const H5T_path_t *p); | ||
| H5_DLL bool H5T_noop_conv(const H5T_t *src, const H5T_t *dst); | ||
| H5_DLL H5T_bkg_t H5T_path_bkg(const H5T_path_t *p); | ||
| H5_DLL H5T_subset_info_t *H5T_path_compound_subset(const H5T_path_t *p); | ||
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| /* Generic routines */ | ||
| H5_DLL herr_t H5T_reclaim(const H5T_t *type, struct H5S_t *space, void *buf); | ||
| H5_DLL herr_t H5T_reclaim_cb(void *elem, const H5T_t *dt, unsigned ndim, const hsize_t *point, void *op_data); | ||
| H5_DLL bool H5T_get_force_conv(const H5T_t *dt); | ||
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| /* Conversion functions */ | ||
| H5_DLL herr_t H5T__conv_noop(const H5T_t *src, const H5T_t *dst, H5T_cdata_t *cdata, | ||
| const H5T_conv_ctx_t *conv_ctx, size_t nelmts, size_t buf_stride, | ||
| size_t bkg_stride, void *_buf, void *bkg); | ||
| H5_DLL herr_t H5T__conv_order(const H5T_t *src, const H5T_t *dst, H5T_cdata_t *cdata, | ||
| const H5T_conv_ctx_t *conv_ctx, size_t nelmts, size_t buf_stride, | ||
| size_t bkg_stride, void *_buf, void *bkg); | ||
| H5_DLL herr_t H5T__conv_order_opt(const H5T_t *src, const H5T_t *dst, H5T_cdata_t *cdata, | ||
| const H5T_conv_ctx_t *conv_ctx, size_t nelmts, size_t buf_stride, | ||
| size_t bkg_stride, void *_buf, void *bkg); | ||
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| /* Utility functions */ | ||
| H5_DLL herr_t H5T__reverse_order(uint8_t *rev, uint8_t *s, size_t size, H5T_order_t order); | ||
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| /* Debugging functions */ | ||
| H5_DLL herr_t H5T__print_path_stats(H5T_path_t *path, int *nprint /*in,out*/); | ||
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| /* Testing functions */ | ||
| H5_DLL int H5T__get_path_table_npaths(void); | ||
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| #endif /* H5Tconv_H */ |
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