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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Rdeprec.c
* September 13 2007
* Quincey Koziol <koziol@hdfgroup.org>
*
* Purpose: Deprecated functions from the H5R interface. These
* functions are here for compatibility purposes and may be
* removed in the future. Applications should switch to the
* newer APIs.
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#include "H5Rmodule.h" /* This source code file is part of the H5R module */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5Eprivate.h" /* Error handling */
#include "H5Gprivate.h" /* Groups */
#include "H5Iprivate.h" /* IDs */
#include "H5Oprivate.h" /* Object headers */
#include "H5Rpkg.h" /* References */
#include "H5Ppublic.h" /* for using H5P_DATASET_ACCESS_DEFAULT */
#include "H5VLprivate.h" /* VOL plugins */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
#ifndef H5_NO_DEPRECATED_SYMBOLS
/*--------------------------------------------------------------------------
NAME
H5Rget_obj_type1
PURPOSE
Retrieves the type of object that an object reference points to
USAGE
H5G_obj_t H5Rget_obj_type1(id, ref_type, ref)
hid_t id; IN: Dataset reference object is in or location ID of
object that the dataset is located within.
H5R_type_t ref_type; IN: Type of reference to query
void *ref; IN: Reference to query.
RETURNS
Success: An object type defined in H5Gpublic.h
Failure: H5G_UNKNOWN
DESCRIPTION
Given a reference to some object, this function returns the type of object
pointed to.
GLOBAL VARIABLES
COMMENTS, BUGS, ASSUMPTIONS
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
H5G_obj_t
H5Rget_obj_type1(hid_t id, H5R_type_t ref_type, const void *ref)
{
H5VL_object_t *obj = NULL; /* object token of loc_id */
H5VL_loc_params_t loc_params;
H5O_type_t obj_type; /* Object type */
H5G_obj_t ret_value; /* Return value */
FUNC_ENTER_API(H5G_UNKNOWN)
H5TRACE3("Go", "iRt*x", id, ref_type, ref);
/* Check args */
if(ref_type <= H5R_BADTYPE || ref_type >= H5R_MAXTYPE)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5G_UNKNOWN, "invalid reference type")
if(ref == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5G_UNKNOWN, "invalid reference pointer")
loc_params.type = H5VL_OBJECT_BY_SELF;
loc_params.obj_type = H5I_get_type(id);
/* get the vol object */
if(NULL == (obj = H5VL_get_object(id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier")
/* get the object type through the VOL */
if((ret_value = H5VL_object_get(obj->vol_obj, loc_params, obj->vol_info->vol_cls, H5VL_REF_GET_TYPE,
H5AC_ind_dxpl_id, H5_REQUEST_NULL, &obj_type, ref_type, ref)) < 0)
HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info")
/* Set return value */
ret_value = H5G_map_obj_type(obj_type);
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Rget_obj_type1() */
/*--------------------------------------------------------------------------
NAME
H5Rdereference1
PURPOSE
Opens the HDF5 object referenced.
USAGE
hid_t H5Rdereference1(ref)
hid_t id; IN: Dataset reference object is in or location ID of
object that the dataset is located within.
H5R_type_t ref_type; IN: Type of reference to create
void *ref; IN: Reference to open.
RETURNS
Valid ID on success, Negative on failure
DESCRIPTION
Given a reference to some object, open that object and return an ID for
that object.
GLOBAL VARIABLES
COMMENTS, BUGS, ASSUMPTIONS
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
hid_t
H5Rdereference1(hid_t obj_id, H5R_type_t ref_type, const void *_ref)
{
H5VL_object_t *obj = NULL; /* object token of loc_id */
H5I_type_t opened_type;
void *opened_obj = NULL;
H5VL_loc_params_t loc_params;
hid_t ret_value = FAIL;
FUNC_ENTER_API(FAIL)
H5TRACE3("i", "iRt*x", obj_id, ref_type, _ref);
/* Check args */
if(ref_type <= H5R_BADTYPE || ref_type >= H5R_MAXTYPE)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type")
if(_ref == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference pointer")
/* get the vol object */
if(NULL == (obj = H5VL_get_object(obj_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier")
loc_params.type = H5VL_OBJECT_BY_REF;
loc_params.loc_data.loc_by_ref.ref_type = ref_type;
loc_params.loc_data.loc_by_ref._ref = _ref;
loc_params.loc_data.loc_by_ref.lapl_id = H5P_DATASET_ACCESS_DEFAULT;
loc_params.obj_type = H5I_get_type(obj_id);
/* Open the object through the VOL */
if(NULL == (opened_obj = H5VL_object_open(obj->vol_obj, loc_params, obj->vol_info->vol_cls, &opened_type,
H5AC_ind_dxpl_id, H5_REQUEST_NULL)))
HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to open object")
/* Get an atom for the object */
if((ret_value = H5VL_register_id(opened_type, opened_obj, obj->vol_info, TRUE)) < 0)
HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize object handle")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Rdereference1() */
#endif /* H5_NO_DEPRECATED_SYMBOLS */
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