mirror of
https://github.com/HDFGroup/hdf5.git
synced 2025-02-17 16:10:24 +08:00
598 lines
25 KiB
C
598 lines
25 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
* 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://support.hdfgroup.org/ftp/HDF5/releases. *
|
||
* If you do not have access to either file, you may request a copy from *
|
||
* help@hdfgroup.org. *
|
||
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
||
|
||
/*
|
||
* Purpose: Attribute callbacks for the native VOL connector
|
||
*
|
||
*/
|
||
|
||
#define H5A_FRIEND /* Suppress error about including H5Apkg */
|
||
|
||
#include "H5private.h" /* Generic Functions */
|
||
#include "H5Apkg.h" /* Attributes */
|
||
#include "H5Eprivate.h" /* Error handling */
|
||
#include "H5Fprivate.h" /* Files */
|
||
#include "H5Gprivate.h" /* Groups */
|
||
#include "H5Iprivate.h" /* IDs */
|
||
#include "H5Pprivate.h" /* Property lists */
|
||
#include "H5Sprivate.h" /* Dataspaces */
|
||
#include "H5Tprivate.h" /* Datatypes */
|
||
#include "H5VLprivate.h" /* Virtual Object Layer */
|
||
|
||
#include "H5VLnative_private.h" /* Native VOL connector */
|
||
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_create
|
||
*
|
||
* Purpose: Handles the attribute create callback
|
||
*
|
||
* Return: Success: attribute pointer
|
||
* Failure: NULL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
void *
|
||
H5VL__native_attr_create(void *obj, const H5VL_loc_params_t *loc_params, const char *attr_name,
|
||
hid_t acpl_id, hid_t H5_ATTR_UNUSED aapl_id, hid_t H5_ATTR_UNUSED dxpl_id,
|
||
void H5_ATTR_UNUSED **req)
|
||
{
|
||
H5G_loc_t loc; /* Object location */
|
||
H5G_loc_t obj_loc; /* Location used to open group */
|
||
hbool_t loc_found = FALSE;
|
||
H5P_genplist_t *plist; /* Property list pointer */
|
||
hid_t type_id, space_id;
|
||
H5T_t *type, *dt; /* Datatype to use for attribute */
|
||
H5S_t *space; /* Dataspace to use for attribute */
|
||
H5A_t *attr = NULL;
|
||
void *ret_value = NULL;
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
/* Get the plist structure */
|
||
if(NULL == (plist = (H5P_genplist_t *)H5I_object(acpl_id)))
|
||
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, NULL, "can't find object for ID")
|
||
|
||
/* get creation properties */
|
||
if(H5P_get(plist, H5VL_PROP_ATTR_TYPE_ID, &type_id) < 0)
|
||
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for datatype id")
|
||
if(H5P_get(plist, H5VL_PROP_ATTR_SPACE_ID, &space_id) < 0)
|
||
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for space id")
|
||
|
||
if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object")
|
||
if(0 == (H5F_INTENT(loc.oloc->file) & H5F_ACC_RDWR))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_WRITEERROR, NULL, "no write intent on file")
|
||
|
||
if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a datatype")
|
||
/* If this is a named datatype, get the connector's pointer to the datatype */
|
||
type = H5T_get_actual_type(dt);
|
||
|
||
if(NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a data space")
|
||
|
||
if(loc_params->type == H5VL_OBJECT_BY_SELF) {
|
||
/* H5Acreate */
|
||
/* Go do the real work for attaching the attribute to the dataset */
|
||
if(NULL == (attr = H5A__create(&loc, attr_name, type, space, acpl_id)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to create attribute")
|
||
} /* end if */
|
||
else if(loc_params->type == H5VL_OBJECT_BY_NAME) {
|
||
/* H5Acreate_by_name */
|
||
if(NULL == (attr = H5A__create_by_name(&loc, loc_params->loc_data.loc_by_name.name, attr_name, type, space, acpl_id)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to create attribute")
|
||
} /* end else-if */
|
||
else
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "unknown attribute create parameters")
|
||
|
||
ret_value = (void *)attr;
|
||
|
||
done:
|
||
/* Release resources */
|
||
if(loc_found && H5G_loc_free(&obj_loc) < 0)
|
||
HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, NULL, "can't free location")
|
||
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_create() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_open
|
||
*
|
||
* Purpose: Handles the attribute open callback
|
||
*
|
||
* Return: Success: attribute pointer
|
||
* Failure: NULL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
void *
|
||
H5VL__native_attr_open(void *obj, const H5VL_loc_params_t *loc_params, const char *attr_name,
|
||
hid_t H5_ATTR_UNUSED aapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
|
||
{
|
||
H5G_loc_t loc; /* Object location */
|
||
H5A_t *attr = NULL; /* Attribute opened */
|
||
void *ret_value;
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
/* check arguments */
|
||
if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object")
|
||
|
||
if(loc_params->type == H5VL_OBJECT_BY_SELF) {
|
||
/* H5Aopen */
|
||
/* Open the attribute */
|
||
if(NULL == (attr = H5A__open(&loc, attr_name)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, "unable to open attribute: '%s'", attr_name)
|
||
} /* end if */
|
||
else if(loc_params->type == H5VL_OBJECT_BY_NAME) {
|
||
/* H5Aopen_by_name */
|
||
/* Open the attribute on the object header */
|
||
if(NULL == (attr = H5A__open_by_name(&loc, loc_params->loc_data.loc_by_name.name, attr_name)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, "can't open attribute")
|
||
} /* end else-if */
|
||
else if(loc_params->type == H5VL_OBJECT_BY_IDX) {
|
||
/* H5Aopen_by_idx */
|
||
/* Open the attribute in the object header */
|
||
if(NULL == (attr = H5A__open_by_idx(&loc, loc_params->loc_data.loc_by_idx.name,
|
||
loc_params->loc_data.loc_by_idx.idx_type,
|
||
loc_params->loc_data.loc_by_idx.order,
|
||
loc_params->loc_data.loc_by_idx.n)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, "unable to open attribute")
|
||
} /* end else-if */
|
||
else
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "unknown attribute open parameters")
|
||
|
||
ret_value = (void *)attr;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_open() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_read
|
||
*
|
||
* Purpose: Handles the attribute read callback
|
||
*
|
||
* Return: SUCCEED/FAIL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5VL__native_attr_read(void *attr, hid_t dtype_id, void *buf,
|
||
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
|
||
{
|
||
H5T_t *mem_type; /* Memory datatype */
|
||
herr_t ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
if(NULL == (mem_type = (H5T_t *)H5I_object_verify(dtype_id, H5I_DATATYPE)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
|
||
|
||
/* Go write the actual data to the attribute */
|
||
if((ret_value = H5A__read((H5A_t*)attr, mem_type, buf)) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_READERROR, FAIL, "unable to read attribute")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_read() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_write
|
||
*
|
||
* Purpose: Handles the attribute write callback
|
||
*
|
||
* Return: SUCCEED/FAIL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5VL__native_attr_write(void *attr, hid_t dtype_id, const void *buf,
|
||
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
|
||
{
|
||
H5T_t *mem_type; /* Memory datatype */
|
||
herr_t ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
if(NULL == (mem_type = (H5T_t *)H5I_object_verify(dtype_id, H5I_DATATYPE)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype")
|
||
|
||
/* Go write the actual data to the attribute */
|
||
if((ret_value = H5A__write((H5A_t*)attr, mem_type, buf)) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_WRITEERROR, FAIL, "unable to write attribute")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_write() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_get
|
||
*
|
||
* Purpose: Handles the attribute get callback
|
||
*
|
||
* Return: SUCCEED/FAIL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5VL__native_attr_get(void *obj, H5VL_attr_get_t get_type,
|
||
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
|
||
{
|
||
herr_t ret_value = SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
switch(get_type) {
|
||
/* H5Aget_space */
|
||
case H5VL_ATTR_GET_SPACE:
|
||
{
|
||
hid_t *ret_id = HDva_arg(arguments, hid_t *);
|
||
H5A_t *attr = (H5A_t *)obj;
|
||
|
||
if((*ret_id = H5A_get_space(attr)) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get space ID of attribute")
|
||
break;
|
||
}
|
||
|
||
/* H5Aget_type */
|
||
case H5VL_ATTR_GET_TYPE:
|
||
{
|
||
hid_t *ret_id = HDva_arg(arguments, hid_t *);
|
||
H5A_t *attr = (H5A_t *)obj;
|
||
|
||
if((*ret_id = H5A__get_type(attr)) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get datatype ID of attribute")
|
||
break;
|
||
}
|
||
|
||
/* H5Aget_create_plist */
|
||
case H5VL_ATTR_GET_ACPL:
|
||
{
|
||
hid_t *ret_id = HDva_arg(arguments, hid_t *);
|
||
H5A_t *attr = (H5A_t *)obj;
|
||
|
||
if((*ret_id = H5A__get_create_plist(attr)) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get creation property list for attr")
|
||
|
||
break;
|
||
}
|
||
|
||
/* H5Aget_name */
|
||
case H5VL_ATTR_GET_NAME:
|
||
{
|
||
const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *);
|
||
size_t buf_size = HDva_arg(arguments, size_t);
|
||
char *buf = HDva_arg(arguments, char *);
|
||
ssize_t *ret_val = HDva_arg(arguments, ssize_t *);
|
||
H5A_t *attr = NULL;
|
||
|
||
if(H5VL_OBJECT_BY_SELF == loc_params->type) {
|
||
attr = (H5A_t *)obj;
|
||
/* Call private function in turn */
|
||
if(0 > (*ret_val = H5A__get_name(attr, buf_size, buf)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't get attribute name")
|
||
}
|
||
else if(H5VL_OBJECT_BY_IDX == loc_params->type) {
|
||
H5G_loc_t loc;
|
||
|
||
/* check arguments */
|
||
if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
|
||
|
||
/* Open the attribute on the object header */
|
||
if(NULL == (attr = H5A__open_by_idx(&loc, loc_params->loc_data.loc_by_idx.name,
|
||
loc_params->loc_data.loc_by_idx.idx_type,
|
||
loc_params->loc_data.loc_by_idx.order,
|
||
loc_params->loc_data.loc_by_idx.n)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute")
|
||
|
||
/* Get the length of the name */
|
||
*ret_val = (ssize_t)HDstrlen(attr->shared->name);
|
||
|
||
/* Copy the name into the user's buffer, if given */
|
||
if(buf) {
|
||
HDstrncpy(buf, attr->shared->name, MIN((size_t)(*ret_val + 1), buf_size));
|
||
if((size_t)(*ret_val) >= buf_size)
|
||
buf[buf_size - 1]='\0';
|
||
} /* end if */
|
||
|
||
/* Release resources */
|
||
if(attr && H5A__close(attr) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute")
|
||
}
|
||
else
|
||
HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't get name of attr")
|
||
|
||
break;
|
||
}
|
||
|
||
/* H5Aget_info */
|
||
case H5VL_ATTR_GET_INFO:
|
||
{
|
||
const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *);
|
||
H5A_info_t *ainfo = HDva_arg(arguments, H5A_info_t *);
|
||
H5A_t *attr = NULL;
|
||
|
||
if(H5VL_OBJECT_BY_SELF == loc_params->type) {
|
||
attr = (H5A_t *)obj;
|
||
if(H5A__get_info(attr, ainfo) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get attribute info")
|
||
}
|
||
else if(H5VL_OBJECT_BY_NAME == loc_params->type) {
|
||
char *attr_name = HDva_arg(arguments, char *);
|
||
H5G_loc_t loc;
|
||
|
||
/* check arguments */
|
||
if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
|
||
|
||
/* Open the attribute on the object header */
|
||
if(NULL == (attr = H5A__open_by_name(&loc, loc_params->loc_data.loc_by_name.name, attr_name)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute")
|
||
|
||
/* Get the attribute information */
|
||
if(H5A__get_info(attr, ainfo) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info")
|
||
|
||
/* Release resources */
|
||
if(attr && H5A__close(attr) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute")
|
||
}
|
||
else if(H5VL_OBJECT_BY_IDX == loc_params->type) {
|
||
H5G_loc_t loc;
|
||
|
||
/* check arguments */
|
||
if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
|
||
|
||
/* Open the attribute on the object header */
|
||
if(NULL == (attr = H5A__open_by_idx(&loc, loc_params->loc_data.loc_by_idx.name,
|
||
loc_params->loc_data.loc_by_idx.idx_type,
|
||
loc_params->loc_data.loc_by_idx.order,
|
||
loc_params->loc_data.loc_by_idx.n)))
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute")
|
||
|
||
/* Get the attribute information */
|
||
if(H5A__get_info(attr, ainfo) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info")
|
||
|
||
/* Release resources */
|
||
if(attr && H5A__close(attr) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute")
|
||
}
|
||
else
|
||
HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't get name of attr")
|
||
|
||
break;
|
||
}
|
||
|
||
case H5VL_ATTR_GET_STORAGE_SIZE:
|
||
{
|
||
hsize_t *ret = HDva_arg(arguments, hsize_t *);
|
||
H5A_t *attr = (H5A_t *)obj;
|
||
|
||
/* Set return value */
|
||
*ret = attr->shared->data_size;
|
||
break;
|
||
}
|
||
|
||
default:
|
||
HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from attr")
|
||
} /* end switch */
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_get() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_specific
|
||
*
|
||
* Purpose: Handles the attribute specific callback
|
||
*
|
||
* Return: SUCCEED/FAIL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5VL__native_attr_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_attr_specific_t specific_type,
|
||
hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
|
||
{
|
||
H5G_loc_t loc;
|
||
herr_t ret_value = SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
/* Get location for passed-in object */
|
||
if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
|
||
|
||
switch(specific_type) {
|
||
case H5VL_ATTR_DELETE:
|
||
{
|
||
char *attr_name = HDva_arg(arguments, char *);
|
||
|
||
if(H5VL_OBJECT_BY_SELF == loc_params->type) {
|
||
/* H5Adelete */
|
||
/* Delete the attribute from the location */
|
||
if(H5O__attr_remove(loc.oloc, attr_name) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute")
|
||
} /* end if */
|
||
else if(H5VL_OBJECT_BY_NAME == loc_params->type) {
|
||
/* H5Adelete_by_name */
|
||
/* Delete the attribute */
|
||
if(H5A__delete_by_name(&loc, loc_params->loc_data.loc_by_name.name, attr_name) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute")
|
||
} /* end else-if */
|
||
else if(H5VL_OBJECT_BY_IDX == loc_params->type) {
|
||
/* H5Adelete_by_idx */
|
||
/* Delete the attribute from the location */
|
||
if(H5A__delete_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type,
|
||
loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute")
|
||
} /* end else-if */
|
||
else
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown attribute remove parameters")
|
||
break;
|
||
}
|
||
|
||
case H5VL_ATTR_EXISTS:
|
||
{
|
||
const char *attr_name = HDva_arg(arguments, const char *);
|
||
htri_t *ret = HDva_arg(arguments, htri_t *);
|
||
|
||
if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Aexists */
|
||
/* Check if the attribute exists */
|
||
if((*ret = H5O__attr_exists(loc.oloc, attr_name)) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to determine if attribute exists")
|
||
} /* end if */
|
||
else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Aexists_by_name */
|
||
/* Check if the attribute exists */
|
||
if((*ret = H5A__exists_by_name(loc, loc_params->loc_data.loc_by_name.name, attr_name)) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to determine if attribute exists")
|
||
} /* end else-if */
|
||
else
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown parameters")
|
||
break;
|
||
}
|
||
|
||
case H5VL_ATTR_ITER:
|
||
{
|
||
H5_index_t idx_type = (H5_index_t)HDva_arg(arguments, int); /* enum work-around */
|
||
H5_iter_order_t order = (H5_iter_order_t)HDva_arg(arguments, int); /* enum work-around */
|
||
hsize_t *idx = HDva_arg(arguments, hsize_t *);
|
||
H5A_operator2_t op = HDva_arg(arguments, H5A_operator2_t);
|
||
void *op_data = HDva_arg(arguments, void *);
|
||
|
||
if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Aiterate2 */
|
||
/* Iterate over attributes */
|
||
if((ret_value = H5A__iterate(&loc, ".", idx_type, order, idx, op, op_data)) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_BADITER, FAIL, "error iterating over attributes")
|
||
} /* end if */
|
||
else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Aiterate_by_name */
|
||
/* Iterate over attributes by name */
|
||
if((ret_value = H5A__iterate(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, idx, op, op_data)) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_BADITER, FAIL, "attribute iteration failed");
|
||
} /* end else-if */
|
||
else
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown parameters")
|
||
break;
|
||
}
|
||
|
||
/* H5Arename/rename_by_name */
|
||
case H5VL_ATTR_RENAME:
|
||
{
|
||
const char *old_name = HDva_arg(arguments, const char *);
|
||
const char *new_name = HDva_arg(arguments, const char *);
|
||
|
||
if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Arename */
|
||
/* Call attribute rename routine */
|
||
if(H5O__attr_rename(loc.oloc, old_name, new_name) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTRENAME, FAIL, "can't rename attribute")
|
||
} /* end if */
|
||
else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Arename_by_name */
|
||
/* Call attribute rename routine */
|
||
if(H5A__rename_by_name(loc, loc_params->loc_data.loc_by_name.name, old_name, new_name) < 0)
|
||
HGOTO_ERROR(H5E_ATTR, H5E_CANTRENAME, FAIL, "can't rename attribute")
|
||
} /* end else-if */
|
||
else
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown attribute rename parameters")
|
||
break;
|
||
}
|
||
|
||
default:
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation")
|
||
} /* end switch */
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_specific() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_optional
|
||
*
|
||
* Purpose: Handles the attribute optional callback
|
||
*
|
||
* Return: SUCCEED/FAIL
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5VL__native_attr_optional(void H5_ATTR_UNUSED *obj, hid_t H5_ATTR_UNUSED dxpl_id,
|
||
void H5_ATTR_UNUSED **req, va_list arguments)
|
||
{
|
||
H5VL_native_attr_optional_t optional_type;
|
||
herr_t ret_value = SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
optional_type = HDva_arg(arguments, H5VL_native_attr_optional_t);
|
||
switch(optional_type) {
|
||
#ifndef H5_NO_DEPRECATED_SYMBOLS
|
||
case H5VL_NATIVE_ATTR_ITERATE_OLD:
|
||
{
|
||
hid_t loc_id = HDva_arg(arguments, hid_t);
|
||
unsigned *attr_num = HDva_arg(arguments, unsigned *);
|
||
H5A_operator1_t op = HDva_arg(arguments, H5A_operator1_t);
|
||
void *op_data = HDva_arg(arguments, void *);
|
||
|
||
/* Call the actual iteration routine */
|
||
if((ret_value = H5A__iterate_old(loc_id, attr_num, op, op_data)) < 0)
|
||
HERROR(H5E_VOL, H5E_BADITER, "error iterating over attributes");
|
||
|
||
break;
|
||
}
|
||
#endif /* H5_NO_DEPRECATED_SYMBOLS */
|
||
|
||
default:
|
||
HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation")
|
||
} /* end switch */
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_optional() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5VL__native_attr_close
|
||
*
|
||
* Purpose: Handles the attribute close callback
|
||
*
|
||
* Return: Success: SUCCEED
|
||
* Failure: FAIL (attribute will not be closed)
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5VL__native_attr_close(void *attr, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
|
||
{
|
||
herr_t ret_value = SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_PACKAGE
|
||
|
||
if(H5A__close((H5A_t*)attr) < 0)
|
||
HGOTO_ERROR(H5E_SYM, H5E_CANTDEC, FAIL, "can't close attribute")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5VL__native_attr_close() */
|
||
|