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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Pstrcpl.c
*
* Purpose: String creation property list class routines
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#include "H5Pmodule.h" /* This source code file is part of the H5P module */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Fprivate.h" /* Files */
#include "H5Iprivate.h" /* IDs */
#include "H5Ppkg.h" /* Property lists */
/****************/
/* Local Macros */
/****************/
/* ======== String creation properties ======== */
/* Definitions for character set encoding property */
#define H5P_STRCRT_CHAR_ENCODING_SIZE sizeof(H5T_cset_t)
#define H5P_STRCRT_CHAR_ENCODING_DEF H5F_DEFAULT_CSET
#define H5P_STRCRT_CHAR_ENCODING_ENC H5P__strcrt_char_encoding_enc
#define H5P_STRCRT_CHAR_ENCODING_DEC H5P__strcrt_char_encoding_dec
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/* Property class callbacks */
static herr_t H5P__strcrt_reg_prop(H5P_genclass_t *pclass);
/* encode & decode callbacks */
static herr_t H5P__strcrt_char_encoding_enc(const void *value, void **_pp, size_t *size);
static herr_t H5P__strcrt_char_encoding_dec(const void **_pp, void *value);
/*********************/
/* Package Variables */
/*********************/
/* String creation property list class library initialization object */
const H5P_libclass_t H5P_CLS_STRCRT[1] = {{
"string create", /* Class name for debugging */
H5P_TYPE_STRING_CREATE, /* Class type */
&H5P_CLS_ROOT_g, /* Parent class */
&H5P_CLS_STRING_CREATE_g, /* Pointer to class */
&H5P_CLS_STRING_CREATE_ID_g, /* Pointer to class ID */
NULL, /* Pointer to default property list ID */
H5P__strcrt_reg_prop, /* Default property registration routine */
NULL, /* Class creation callback */
NULL, /* Class creation callback info */
NULL, /* Class copy callback */
NULL, /* Class copy callback info */
NULL, /* Class close callback */
NULL /* Class close callback info */
}};
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/* Property value defaults */
static const H5T_cset_t H5P_def_char_encoding_g =
H5P_STRCRT_CHAR_ENCODING_DEF; /* Default character set encoding */
/*-------------------------------------------------------------------------
* Function: H5P__strcrt_reg_prop
*
* Purpose: Register the string creation property list class's properties
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__strcrt_reg_prop(H5P_genclass_t *pclass)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
/* Register character encoding */
if (H5P__register_real(pclass, H5P_STRCRT_CHAR_ENCODING_NAME, H5P_STRCRT_CHAR_ENCODING_SIZE,
&H5P_def_char_encoding_g, NULL, NULL, NULL, H5P_STRCRT_CHAR_ENCODING_ENC,
H5P_STRCRT_CHAR_ENCODING_DEC, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class");
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P__strcrt_reg_prop() */
/*-------------------------------------------------------------------------
* Function: H5Pset_char_encoding
*
* Purpose: Sets the character encoding of the string.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_char_encoding(hid_t plist_id, H5T_cset_t encoding)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "iTc", plist_id, encoding);
/* Check arguments */
if (encoding <= H5T_CSET_ERROR || encoding >= H5T_NCSET)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "character encoding is not valid");
/* Get the plist structure */
if (NULL == (plist = H5P_object_verify(plist_id, H5P_STRING_CREATE)))
HGOTO_ERROR(H5E_ID, H5E_BADID, FAIL, "can't find object for ID");
/* Set the character encoding */
if (H5P_set(plist, H5P_STRCRT_CHAR_ENCODING_NAME, &encoding) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set character encoding");
done:
FUNC_LEAVE_API(ret_value)
} /* end H5P_set_char_encoding() */
/*-------------------------------------------------------------------------
* Function: H5Pget_char_encoding
*
* Purpose: Gets the character encoding of the string.
*
* Return: Non-negative on success/Negative on failure
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_char_encoding(hid_t plist_id, H5T_cset_t *encoding /*out*/)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* return value */
FUNC_ENTER_API(FAIL)
H5TRACE2("e", "i*Tc", plist_id, encoding);
/* Get the plist structure */
if (NULL == (plist = H5P_object_verify(plist_id, H5P_STRING_CREATE)))
HGOTO_ERROR(H5E_ID, H5E_BADID, FAIL, "can't find object for ID");
/* Get value */
if (encoding)
if (H5P_get(plist, H5P_STRCRT_CHAR_ENCODING_NAME, encoding) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get character encoding flag");
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_char_encoding() */
/*-------------------------------------------------------------------------
* Function: H5P__strcrt_char_encoding_enc
*
* Purpose: Callback routine which is called whenever the character
* set encoding property in the string create property list
* is encoded.
*
* Return: Success: Non-negative
* Failure: Negative
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__strcrt_char_encoding_enc(const void *value, void **_pp, size_t *size)
{
const H5T_cset_t *encoding = (const H5T_cset_t *)value; /* Create local alias for values */
uint8_t **pp = (uint8_t **)_pp;
FUNC_ENTER_PACKAGE_NOERR
/* Sanity check */
assert(encoding);
assert(size);
if (NULL != *pp)
/* Encode character set encoding */
*(*pp)++ = (uint8_t)*encoding;
/* Size of character set encoding */
(*size)++;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5P__strcrt_char_encoding_enc() */
/*-------------------------------------------------------------------------
* Function: H5P__strcrt_char_encoding_dec
*
* Purpose: Callback routine which is called whenever the character
* set encoding property in the string create property list
* is decoded.
*
* Return: Success: Non-negative
* Failure: Negative
*
*-------------------------------------------------------------------------
*/
static herr_t
H5P__strcrt_char_encoding_dec(const void **_pp, void *_value)
{
H5T_cset_t *encoding = (H5T_cset_t *)_value; /* Character set encoding */
const uint8_t **pp = (const uint8_t **)_pp;
FUNC_ENTER_PACKAGE_NOERR
/* Sanity checks */
assert(pp);
assert(*pp);
assert(encoding);
/* Decode character set encoding */
*encoding = (H5T_cset_t) * (*pp)++;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5P__strcrt_char_encoding_dec() */
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