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Add documentation (H5M) #4259

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merged 4 commits into from
Mar 28, 2024
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Add documentation (H5M) #4259

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bcb5e21
Add documentation
bmribler Mar 27, 2024
8ed5aa6
Committing clang-format changes
github-actions[bot] Mar 27, 2024
9424e3f
Remove the mentioning of specific operations in a common place.
bmribler Mar 27, 2024
74eafce
Fix incorrect statement
bmribler Mar 27, 2024
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158 changes: 83 additions & 75 deletions src/H5Mpublic.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,33 +32,37 @@

/* Macros defining operation IDs for map VOL callbacks (implemented using the
* "optional" VOL callback) */
#define H5VL_MAP_CREATE 1
#define H5VL_MAP_OPEN 2
#define H5VL_MAP_GET_VAL 3
#define H5VL_MAP_EXISTS 4
#define H5VL_MAP_PUT 5
#define H5VL_MAP_GET 6
#define H5VL_MAP_SPECIFIC 7
#define H5VL_MAP_OPTIONAL 8
#define H5VL_MAP_CLOSE 9
#define H5VL_MAP_CREATE 1 /**< Callback operation ID for map create */
#define H5VL_MAP_OPEN 2 /**< Callback operation ID for map open */
#define H5VL_MAP_GET_VAL 3 /**< Callback operation ID for getting an associated value from a map */
#define H5VL_MAP_EXISTS 4 /**< Callback operation ID for checking if a value exists in a map */
#define H5VL_MAP_PUT 5 /**< Callback operation ID for putting a key-value pair to a map */
#define H5VL_MAP_GET 6 /**< Callback operation ID for map get callback */
#define H5VL_MAP_SPECIFIC 7 /**< Callback operation ID for map specific operation */
#define H5VL_MAP_OPTIONAL 8 /**< Currently unused */
#define H5VL_MAP_CLOSE 9 /**< Callback operation ID for terminating access to a map */

/*******************/
/* Public Typedefs */
/*******************/

/* types for map GET callback */
/**
* Types for map GET callback
*/
typedef enum H5VL_map_get_t {
H5VL_MAP_GET_MAPL, /* map access property list */
H5VL_MAP_GET_MCPL, /* map creation property list */
H5VL_MAP_GET_KEY_TYPE, /* key type */
H5VL_MAP_GET_VAL_TYPE, /* value type */
H5VL_MAP_GET_COUNT /* key count */
H5VL_MAP_GET_MAPL, /**< Callback operation ID for getting map access property list */
H5VL_MAP_GET_MCPL, /**< Callback operation ID for getting map creation property list */
H5VL_MAP_GET_KEY_TYPE, /**< Callback operation ID for getting the key datatype for a map */
H5VL_MAP_GET_VAL_TYPE, /**< Callback operation ID for getting the value datatype for a map */
H5VL_MAP_GET_COUNT /**< Callback operation ID for getting the number of key-value pairs stored in a map */
} H5VL_map_get_t;

/* types for map SPECIFIC callback */
/**
* Types for map SPECIFIC callback
*/
typedef enum H5VL_map_specific_t {
H5VL_MAP_ITER, /* H5Miterate */
H5VL_MAP_DELETE /* H5Mdelete */
H5VL_MAP_ITER, /**< Callback operation ID for iterating over all key-value pairs stored in the map */
H5VL_MAP_DELETE /**< Callback operation ID for deleting a key-value pair stored in the map */
} H5VL_map_specific_t;

//! <!-- [H5M_iterate_t_snip] -->
Expand All @@ -68,112 +72,116 @@ typedef enum H5VL_map_specific_t {
typedef herr_t (*H5M_iterate_t)(hid_t map_id, const void *key, void *op_data);
//! <!-- [H5M_iterate_t_snip] -->

/* Parameters for map operations */
/**
* Parameters for map operations
*/
typedef union H5VL_map_args_t {
/* H5VL_MAP_CREATE */

/** H5VL_MAP_CREATE */
struct {
H5VL_loc_params_t loc_params; /* Location parameters for object */
const char *name; /* Name of new map object */
hid_t lcpl_id; /* Link creation property list for map */
hid_t key_type_id; /* Datatype for map keys */
hid_t val_type_id; /* Datatype for map values */
hid_t mcpl_id; /* Map creation property list */
hid_t mapl_id; /* Map access property list */
void *map; /* Pointer to newly created map object (OUT) */
H5VL_loc_params_t loc_params; /**< Location parameters for object */
const char *name; /**< Name of new map object */
hid_t lcpl_id; /**< Link creation property list for map */
hid_t key_type_id; /**< Datatype for map keys */
hid_t val_type_id; /**< Datatype for map values */
hid_t mcpl_id; /**< Map creation property list */
hid_t mapl_id; /**< Map access property list */
void *map; /**< Pointer to newly created map object (OUT) */
} create;

/* H5VL_MAP_OPEN */
/** H5VL_MAP_OPEN */
struct {
H5VL_loc_params_t loc_params; /* Location parameters for object */
const char *name; /* Name of new map object */
hid_t mapl_id; /* Map access property list */
void *map; /* Pointer to newly created map object (OUT) */
H5VL_loc_params_t loc_params; /**< Location parameters for object */
const char *name; /**< Name of new map object */
hid_t mapl_id; /**< Map access property list */
void *map; /**< Pointer to newly created map object (OUT) */
} open;

/* H5VL_MAP_GET_VAL */
/** H5VL_MAP_GET_VAL */
struct {
hid_t key_mem_type_id; /* Memory datatype for key */
const void *key; /* Pointer to key */
hid_t value_mem_type_id; /* Memory datatype for value */
void *value; /* Buffer for value (OUT) */
hid_t key_mem_type_id; /**< Memory datatype for key */
const void *key; /**< Pointer to key */
hid_t value_mem_type_id; /**< Memory datatype for value */
void *value; /**< Buffer for value (OUT) */
} get_val;

/* H5VL_MAP_EXISTS */
/** H5VL_MAP_EXISTS */
struct {
hid_t key_mem_type_id; /* Memory datatype for key */
const void *key; /* Pointer to key */
hbool_t exists; /* Flag indicating whether key exists in map (OUT) */
hid_t key_mem_type_id; /**< Memory datatype for key */
const void *key; /**< Pointer to key */
hbool_t exists; /**< Flag indicating whether key exists in map (OUT) */
} exists;

/* H5VL_MAP_PUT */
/** H5VL_MAP_PUT */
struct {
hid_t key_mem_type_id; /* Memory datatype for key */
const void *key; /* Pointer to key */
hid_t value_mem_type_id; /* Memory datatype for value */
const void *value; /* Pointer to value */
hid_t key_mem_type_id; /**< Memory datatype for key */
const void *key; /**< Pointer to key */
hid_t value_mem_type_id; /**< Memory datatype for value */
const void *value; /**< Pointer to value */
} put;

/* H5VL_MAP_GET */
/** H5VL_MAP_GET */
struct {
H5VL_map_get_t get_type; /* 'get' operation to perform */
H5VL_map_get_t get_type; /**< 'get' operation to perform */

/* Parameters for each operation */
/** Parameters for each operation */
union {
/* H5VL_MAP_GET_MAPL */
/** H5VL_MAP_GET_MAPL */
struct {
hid_t mapl_id; /* Map access property list ID (OUT) */
hid_t mapl_id; /**< Get map access property list ID (OUT) */
} get_mapl;

/* H5VL_MAP_GET_MCPL */
/** H5VL_MAP_GET_MCPL */
struct {
hid_t mcpl_id; /* Map creation property list ID (OUT) */
hid_t mcpl_id; /**< Get map creation property list ID (OUT) */
} get_mcpl;

/* H5VL_MAP_GET_KEY_TYPE */
/** H5VL_MAP_GET_KEY_TYPE */
struct {
hid_t type_id; /* Datatype ID for map's keys (OUT) */
hid_t type_id; /**< Get datatype ID for map's keys (OUT) */
} get_key_type;

/* H5VL_MAP_GET_VAL_TYPE */
/** H5VL_MAP_GET_VAL_TYPE */
struct {
hid_t type_id; /* Datatype ID for map's values (OUT) */
hid_t type_id; /**< Get datatype ID for map's values (OUT) */
} get_val_type;

/* H5VL_MAP_GET_COUNT */
/** H5VL_MAP_GET_COUNT */
struct {
hsize_t count; /* # of KV pairs in map (OUT) */
hsize_t count; /**< Get number of key-value pairs in the map (OUT) */
} get_count;
} args;
} get;

/* H5VL_MAP_SPECIFIC */
/** H5VL_MAP_SPECIFIC */
struct {
H5VL_map_specific_t specific_type; /* 'specific' operation to perform */
H5VL_map_specific_t specific_type;
/**< 'specific' operation to perform */

/* Parameters for each operation */
/** Parameters for each operation */
union {
/* H5VL_MAP_ITER */
/* H5VL_MAP_ITER specific operation */
struct {
H5VL_loc_params_t loc_params; /* Location parameters for object */
hsize_t idx; /* Start/end iteration index (IN/OUT) */
hid_t key_mem_type_id; /* Memory datatype for key */
H5M_iterate_t op; /* Iteration callback routine */
void *op_data; /* Pointer to callback context */
H5VL_loc_params_t loc_params; /**< Location parameters for object */
hsize_t idx; /**< Start/end iteration index (IN/OUT) */
hid_t key_mem_type_id; /**< Memory datatype for key */
H5M_iterate_t op; /**< Iteration callback routine */
void *op_data; /**< Pointer to callback context */
} iterate;

/* H5VL_MAP_DELETE */
/* H5VL_MAP_DELETE specific operation */
struct {
H5VL_loc_params_t loc_params; /* Location parameters for object */
hid_t key_mem_type_id; /* Memory datatype for key */
const void *key; /* Pointer to key */
H5VL_loc_params_t loc_params; /**< Location parameters for object */
hid_t key_mem_type_id; /**< Memory datatype for key */
const void *key; /**< Pointer to key */
} del;
} args;
} specific;

/* H5VL_MAP_OPTIONAL */
/** H5VL_MAP_OPTIONAL */
/* Unused */

/* H5VL_MAP_CLOSE */
/** H5VL_MAP_CLOSE */
/* No args */
} H5VL_map_args_t;

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