diff options
Diffstat (limited to 'src/H5Apkg.h')
| -rw-r--r-- | src/H5Apkg.h | 84 |
1 files changed, 80 insertions, 4 deletions
diff --git a/src/H5Apkg.h b/src/H5Apkg.h index e01d788..a8a7dd7 100644 --- a/src/H5Apkg.h +++ b/src/H5Apkg.h @@ -38,13 +38,29 @@ #include "H5Aprivate.h" /* Other private headers needed by this file */ +#include "H5B2private.h" /* v2 B-trees */ #include "H5FLprivate.h" /* Free Lists */ +#include "H5HFprivate.h" /* Fractal heaps */ #include "H5Oprivate.h" /* Object headers */ #include "H5Sprivate.h" /* Dataspace */ #include "H5Tprivate.h" /* Datatype functions */ + +/**************************/ +/* Package Private Macros */ +/**************************/ + +/* Standard length of fractal heap ID for attribute */ +#define H5A_DENSE_FHEAP_ID_LEN 7 + + +/****************************/ +/* Package Private Typedefs */ +/****************************/ + +/* Define the main attribute structure */ struct H5A_t { - hbool_t initialized;/* Indicate whether the attribute has been modified */ + hbool_t initialized;/* Indicate whether the attribute has been modified */ hbool_t obj_opened; /* Object header entry opened? */ H5O_loc_t oloc; /* Object location for object attribute is on */ H5G_name_t path; /* Group hierarchy path */ @@ -56,19 +72,79 @@ struct H5A_t { void *data; /* Attribute data (on a temporary basis) */ size_t data_size; /* Size of data on disk */ H5T_cset_t encoding; /* Character encoding of attribute */ - H5O_shared_t sh_loc; /*location of shared message */ + H5O_shared_t sh_loc; /* Location of shared message */ }; +/* Typedefs for "dense" attribute storage */ +/* (fractal heap & v2 B-tree info) */ + +/* Typedef for native 'name' field index records in the v2 B-tree */ +/* (Keep 'id' field first so generic record handling in callbacks works) */ +typedef struct H5A_dense_bt2_name_rec_t { + uint8_t id[H5A_DENSE_FHEAP_ID_LEN]; /* Heap ID for link */ + uint8_t flags; /* Message flags for attribute */ + uint32_t hash; /* Hash of 'name' field value */ +} H5A_dense_bt2_name_rec_t; + +/* + * Common data exchange structure for dense attribute storage. This structure + * is passed through the v2 B-tree layer to the methods for the objects + * to which the v2 B-tree points. + */ +typedef struct H5A_bt2_ud_common_t { + /* downward */ + H5F_t *f; /* Pointer to file that fractal heap is in */ + hid_t dxpl_id; /* DXPL for operation */ + H5HF_t *fheap; /* Fractal heap handle */ + const char *name; /* Name of attribute to compare */ + uint32_t name_hash; /* Hash of name of attribute to compare */ + uint8_t flags; /* Flags for attribute storage location */ + int64_t corder; /* Creation order value of attribute to compare */ + H5B2_found_t found_op; /* Callback when correct attribute is found */ + void *found_op_data; /* Callback data when correct attribute is found */ +} H5A_bt2_ud_common_t; + +/* + * Data exchange structure for dense attribute storage. This structure is + * passed through the v2 B-tree layer when inserting attributes. + */ +typedef struct H5A_bt2_ud_ins_t { + /* downward */ + H5A_bt2_ud_common_t common; /* Common info for B-tree user data (must be first) */ + uint8_t id[H5A_DENSE_FHEAP_ID_LEN]; /* Heap ID of attribute to insert */ +} H5A_bt2_ud_ins_t; + + +/*****************************/ +/* Package Private Variables */ +/*****************************/ + /* Declare extern the free list for H5A_t's */ H5FL_EXTERN(H5A_t); /* Declare extern a free list to manage blocks of type conversion data */ H5FL_BLK_EXTERN(attr_buf); +/* The v2 B-tree class for indexing 'name' field on attributes */ +H5_DLLVAR const H5B2_class_t H5A_BT2_NAME[1]; + + +/******************************/ +/* Package Private Prototypes */ +/******************************/ + /* Function prototypes for H5A package scope */ H5_DLL herr_t H5A_init(void); -H5_DLL H5A_t *H5A_copy(H5A_t *new_attr, const H5A_t *old_attr, unsigned update_flags); +H5_DLL H5A_t *H5A_copy(H5A_t *new_attr, const H5A_t *old_attr); H5_DLL herr_t H5A_free(H5A_t *attr); H5_DLL herr_t H5A_close(H5A_t *attr); -#endif +/* Attribute "dense" storage routines */ +H5_DLL herr_t H5A_dense_write(H5F_t *f, hid_t dxpl_id, const H5O_t *oh, + const H5A_t *attr); +H5_DLL herr_t H5A_dense_iterate(H5F_t *f, hid_t dxpl_id, hid_t loc_id, + haddr_t attr_fheap_addr, haddr_t name_bt2_addr, unsigned skip, + unsigned *last_attr, H5A_operator_t op, void *op_data); + +#endif /* _H5Apkg_H */ + |