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Diffstat (limited to 'src/H5Titerate.c')
| -rw-r--r-- | src/H5Titerate.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/H5Titerate.c b/src/H5Titerate.c new file mode 100644 index 0000000..15a91e3 --- /dev/null +++ b/src/H5Titerate.c @@ -0,0 +1,155 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * Module Info: This module contains most of the "core" functionality of + * the H5T interface, including the API initialization code, etc. + * Many routines that are infrequently used, or are specialized for + * one particular datatype class are in another module. + */ + +/*------------------------------------------------------------------------- + * + * Created: H5Tdbg.c + * Jul 19 2007 + * Quincey Koziol <koziol@hdfgroup.org> + * + * Purpose: Dump debugging information about a datatype + * + *------------------------------------------------------------------------- + */ + +/****************/ +/* Module Setup */ +/****************/ + +#define H5T_PACKAGE /*suppress error about including H5Tpkg */ + + +/***********/ +/* Headers */ +/***********/ +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Tpkg.h" /* Datatypes */ + + +/****************/ +/* Local Macros */ +/****************/ + + +/******************/ +/* Local Typedefs */ +/******************/ + + +/********************/ +/* Package Typedefs */ +/********************/ + + +/********************/ +/* Local Prototypes */ +/********************/ + + +/*********************/ +/* Package Variables */ +/*********************/ + + +/*****************************/ +/* Library Private Variables */ +/*****************************/ + + +/*******************/ +/* Local Variables */ +/*******************/ + + + +/*------------------------------------------------------------------------- + * Function: H5T_visit + * + * Purpose: Visit a datatype and all it's members and/or parents, making + * a callback for each. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * Thursday, July 19, 2007 + * + *------------------------------------------------------------------------- + */ +herr_t +H5T_visit(H5T_t *dt, unsigned visit_flags, H5T_operator_t op, void *op_value) +{ + hbool_t is_complex; /* Flag indicating current datatype is "complex" */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(H5T_visit, FAIL) + + /* Sanity check */ + HDassert(dt); + HDassert(op); + + /* Check for complex datatype */ + is_complex = H5T_IS_COMPLEX(dt->shared->type); + + /* If the callback is to be made on the datatype first, do that */ + if(is_complex && (visit_flags & H5T_VISIT_COMPLEX_FIRST)) + if(op(dt, op_value) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_BADITER, FAIL, "operator callback failed") + + /* Make callback for each member/child, if requested */ + switch(dt->shared->type) { + case H5T_COMPOUND: + { + unsigned u; /* Local index variable */ + + /* Visit each member of the compound datatype */ + for(u = 0; u < dt->shared->u.compnd.nmembs; u++) + if(H5T_visit(dt->shared->u.compnd.memb[u].type, visit_flags, op, op_value) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_BADITER, FAIL, "can't visit member datatype") + } /* end case */ + break; + + case H5T_ARRAY: + case H5T_VLEN: + case H5T_ENUM: + /* Visit parent type */ + if(H5T_visit(dt->shared->parent, visit_flags, op, op_value) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_BADITER, FAIL, "can't visit parent datatype") + break; + + default: + /* Visit "simple" datatypes here */ + if(visit_flags & H5T_VISIT_SIMPLE) + if(op(dt, op_value) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_BADITER, FAIL, "operator callback failed") + break; + } /* end switch */ + + /* If the callback is to be made on the datatype last, do that */ + if(is_complex && (visit_flags & H5T_VISIT_COMPLEX_LAST)) + if(op(dt, op_value) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_BADITER, FAIL, "operator callback failed") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_iterate() */ + |