Mercurial > octave-nkf
view libinterp/corefcn/ls-hdf5.h @ 20616:fd0efcdb3718
use new string_value method to handle value extraction errors
* dirfns.cc, file-io.cc, gammainc.cc, help.cc, load-path.cc,
octave-link.cc, qz.cc, regexp.cc, strfns.cc, syscalls.cc, time.cc,
variables.cc: Use new string_value method.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 08 Oct 2015 19:00:51 -0400 |
parents | bfe66db8addb |
children |
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/* Copyright (C) 2003-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if !defined (octave_ls_hdf5_h) #define octave_ls_hdf5_h 1 #if defined (HAVE_HDF5) #include "oct-hdf5-types.h" // first, we need to define our own dummy stream subclass, since // HDF5 needs to do its own file i/o // hdf5_fstreambase is used for both input and output streams, modeled // on the fstreambase class in <fstream.h> class hdf5_fstreambase : virtual public std::ios { public: // HDF5 uses an "id" to refer to an open file octave_hdf5_id file_id; // keep track of current item index in the file int current_item; hdf5_fstreambase () : file_id (-1), current_item () { } ~hdf5_fstreambase () { close (); } hdf5_fstreambase (const char *name, int mode, int /* prot */ = 0); void close (void); void open (const char *name, int mode, int); }; // input and output streams, subclassing istream and ostream // so that we can pass them for stream parameters in the functions below. class hdf5_ifstream : public hdf5_fstreambase, public std::istream { public: hdf5_ifstream () : hdf5_fstreambase (), std::istream (0) { } hdf5_ifstream (const char *name, int mode = std::ios::in|std::ios::binary, int prot = 0) : hdf5_fstreambase (name, mode, prot), std::istream (0) { } void open (const char *name, int mode = std::ios::in|std::ios::binary, int prot = 0) { hdf5_fstreambase::open (name, mode, prot); } }; class hdf5_ofstream : public hdf5_fstreambase, public std::ostream { public: hdf5_ofstream () : hdf5_fstreambase (), std::ostream (0) { } hdf5_ofstream (const char *name, int mode = std::ios::out|std::ios::binary, int prot = 0) : hdf5_fstreambase (name, mode, prot), std::ostream (0) { } void open (const char *name, int mode = std::ios::out|std::ios::binary, int prot = 0) { hdf5_fstreambase::open (name, mode, prot); } }; // Callback data structure for passing data to hdf5_read_next_data, below. struct hdf5_callback_data { hdf5_callback_data (void) : name (), global (false), tc (), doc () { } // the following fields are set by hdf5_read_data on successful return: // the name of the variable std::string name; // whether it is global bool global; // the value of the variable, in Octave form octave_value tc; // a documentation string (NULL if none) std::string doc; }; #if HAVE_HDF5_INT2FLOAT_CONVERSIONS extern OCTINTERP_API octave_hdf5_id save_type_to_hdf5 (save_type st) #endif extern OCTINTERP_API octave_hdf5_id hdf5_make_complex_type (octave_hdf5_id num_type); extern OCTINTERP_API bool hdf5_types_compatible (octave_hdf5_id t1, octave_hdf5_id t2); extern OCTINTERP_API octave_hdf5_err hdf5_read_next_data (octave_hdf5_id group_id, const char *name, void *dv); extern OCTINTERP_API bool add_hdf5_data (octave_hdf5_id loc_id, const octave_value& tc, const std::string& name, const std::string& doc, bool mark_as_global, bool save_as_floats); extern OCTINTERP_API int save_hdf5_empty (octave_hdf5_id loc_id, const char *name, const dim_vector d); extern OCTINTERP_API int load_hdf5_empty (octave_hdf5_id loc_id, const char *name, dim_vector &d); extern OCTINTERP_API std::string read_hdf5_data (std::istream& is, const std::string& filename, bool& global, octave_value& tc, std::string& doc, const string_vector& argv, int argv_idx, int argc); extern OCTINTERP_API bool save_hdf5_data (std::ostream& os, const octave_value& tc, const std::string& name, const std::string& doc, bool mark_as_global, bool save_as_floats); extern OCTINTERP_API bool hdf5_check_attr (octave_hdf5_id loc_id, const char *attr_name); extern OCTINTERP_API bool hdf5_get_scalar_attr (octave_hdf5_id loc_id, octave_hdf5_id type_id, const char *attr_name, void *buf); extern OCTINTERP_API octave_hdf5_err hdf5_add_attr (octave_hdf5_id loc_id, const char *attr_name); extern OCTINTERP_API octave_hdf5_err hdf5_add_scalar_attr (octave_hdf5_id loc_id, octave_hdf5_id type_id, const char *attr_name, void *buf); #endif #endif