diff options
Diffstat (limited to 'src/H5EAprivate.h')
| -rw-r--r-- | src/H5EAprivate.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/H5EAprivate.h b/src/H5EAprivate.h index 6a7fc67..e39cefe 100644 --- a/src/H5EAprivate.h +++ b/src/H5EAprivate.h @@ -46,9 +46,33 @@ /* Library Private Typedefs */ /****************************/ +/* Extensible array class IDs */ +typedef enum H5EA_cls_id_t { + /* Start real class IDs at 0 -QAK */ + H5EA_CLS_TEST_ID, /* Extensible array is for testing (do not use for actual data) */ + H5EA_NUM_CLS_ID /* Number of Extensible Array class IDs (must be last) */ +} H5EA_cls_id_t; + +/* + * Each type of element that can be stored in an extesible array has a + * variable of this type that contains class variables and methods. + */ +typedef struct H5EA_class_t { + H5EA_cls_id_t id; /* ID of Extensible Array class, as found in file */ + size_t nat_elmt_size; /* Size of native (memory) element */ + + /* Extensible array client callback methods */ + herr_t (*fill)(uint8_t *raw_blk, size_t nelmts); /* Fill array of elements with encoded form of "missing element" value */ + herr_t (*encode)(uint8_t *raw, const void *elmt); /* Encode element from native form to disk storage form */ + herr_t (*decode)(const uint8_t *raw, void *elmt); /* Decode element from disk storage form to native form */ + herr_t (*debug)(FILE *stream, int indent, int fwidth, const void *elmt); /* Print an element for debugging */ +} H5EA_class_t; + /* Extensible array creation parameters */ typedef struct H5EA_create_t { - uint8_t elmt_size; /* Element size (in bytes) */ + const H5EA_class_t *cls; /* Class of extensible array to create */ + uint8_t raw_elmt_size; /* Element size in file (in bytes) */ + uint8_t max_nelmts_bits; /* Log2(Max. # of elements in array) - i.e. # of bits needed to store max. # of elements */ uint8_t idx_blk_elmts; /* # of elements to store in index block */ uint8_t data_blk_min_elmts; /* Min. # of elements per data block */ uint8_t sup_blk_min_data_ptrs; /* Min. # of data block pointers for a super block */ @@ -75,6 +99,7 @@ typedef struct H5EA_t H5EA_t; /* General routines */ H5_DLL H5EA_t *H5EA_create(H5F_t *f, hid_t dxpl_id, const H5EA_create_t *cparam); +H5_DLL H5EA_t *H5EA_open(H5F_t *f, hid_t dxpl_id, haddr_t ea_addr); H5_DLL herr_t H5EA_get_nelmts(const H5EA_t *ea, hsize_t *nelmts); H5_DLL herr_t H5EA_get_addr(const H5EA_t *ea, haddr_t *addr); H5_DLL herr_t H5EA_delete(H5F_t *f, hid_t dxpl_id, haddr_t ea_addr); |