Mercurial > octave-nkf
annotate src/ov-fcn-handle.h @ 7948:af10baa63915 ss-3-1-50
3.1.50 snapshot
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 18 Jul 2008 17:42:48 -0400 |
| parents | f6fffa74b9b5 |
| children | eb63fbe60fab |
| rev | line source |
|---|---|
| 4343 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 2003, 2004, 2005, 2006, 2007 John W. Eaton |
| 4343 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 4343 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 4343 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_fcn_handle_h) | |
| 24 #define octave_fcn_handle_h 1 | |
| 25 | |
| 26 #include <iostream> | |
| 27 #include <string> | |
| 28 | |
| 29 #include "oct-alloc.h" | |
| 30 | |
| 31 #include "ov-base.h" | |
| 4654 | 32 #include "ov-base-mat.h" |
| 4343 | 33 #include "ov-fcn.h" |
| 4654 | 34 #include "ov-typeinfo.h" |
| 4343 | 35 |
| 36 // Function handles. | |
| 37 | |
| 4925 | 38 class |
|
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Export additional symbols: octave_fcn_inline, octave_fcn_handle, read_binary_data, save_binary_data.
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39 OCTINTERP_API |
| 4925 | 40 octave_fcn_handle : public octave_base_value |
| 4654 | 41 { |
| 42 public: | |
| 4930 | 43 octave_fcn_handle (void) |
| 5663 | 44 : warn_reload (true), fcn (), nm () { } |
| 4654 | 45 |
| 5007 | 46 octave_fcn_handle (const std::string& n) |
| 5663 | 47 : warn_reload (true), fcn (), nm (n) { } |
| 5007 | 48 |
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49 octave_fcn_handle (const octave_value& f, const std::string& n); |
| 4654 | 50 |
| 4967 | 51 octave_fcn_handle (const octave_fcn_handle& fh) |
| 5663 | 52 : octave_base_value (fh), warn_reload (fh.warn_reload), |
| 53 fcn (fh.fcn), nm (fh.nm) { } | |
| 4967 | 54 |
| 4654 | 55 ~octave_fcn_handle (void) { } |
| 56 | |
| 5759 | 57 octave_base_value *clone (void) const { return new octave_fcn_handle (*this); } |
| 58 octave_base_value *empty_clone (void) const { return new octave_fcn_handle (); } | |
| 4967 | 59 |
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60 octave_value subsref (const std::string& type, |
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61 const std::list<octave_value_list>& idx) |
| 4924 | 62 { |
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63 octave_value_list tmp = subsref (type, idx, 1); |
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64 return tmp.length () > 0 ? tmp(0) : octave_value (); |
| 4924 | 65 } |
| 66 | |
| 67 octave_value_list subsref (const std::string& type, | |
| 68 const std::list<octave_value_list>& idx, | |
| 69 int nargout); | |
| 70 | |
| 4925 | 71 bool is_defined (void) const { return true; } |
| 4654 | 72 |
| 73 bool is_function_handle (void) const { return true; } | |
| 74 | |
| 5654 | 75 dim_vector dims (void) const { static dim_vector dv (1, 1); return dv; } |
| 76 | |
| 4930 | 77 octave_function *function_value (bool = false) |
| 78 { return fcn.function_value (); } | |
| 79 | |
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80 const octave_function *function_value (bool = false) const |
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81 { return fcn.function_value (); } |
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82 |
| 6625 | 83 octave_user_function *user_function_value (bool = false) |
| 84 { return fcn.user_function_value (); } | |
| 85 | |
| 4654 | 86 octave_fcn_handle *fcn_handle_value (bool = false) { return this; } |
| 87 | |
| 5007 | 88 octave_value fcn_val (void) const { return fcn; } |
| 89 | |
| 4933 | 90 std::string fcn_name (void) const { return nm; } |
| 4930 | 91 |
| 6974 | 92 bool save_ascii (std::ostream& os); |
| 4988 | 93 |
| 94 bool load_ascii (std::istream& is); | |
| 95 | |
| 96 bool save_binary (std::ostream& os, bool& save_as_floats); | |
| 97 | |
| 98 bool load_binary (std::istream& is, bool swap, | |
| 99 oct_mach_info::float_format fmt); | |
| 100 | |
| 101 #if defined (HAVE_HDF5) | |
| 102 bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats); | |
| 103 | |
| 104 bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug); | |
| 105 #endif | |
| 106 | |
| 4654 | 107 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 108 | |
| 109 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; | |
| 110 | |
| 111 private: | |
| 4343 | 112 |
| 6625 | 113 bool set_fcn (const std::string &octaveroot, const std::string& fpath); |
| 114 | |
| 4612 | 115 DECLARE_OCTAVE_ALLOCATOR |
| 4343 | 116 |
| 4612 | 117 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
| 4925 | 118 |
| 5663 | 119 // If TRUE, print a warning if the pointed-to fucntion is out of |
| 120 // date. This variable may be removed when updating is properly | |
| 121 // implemented. | |
| 122 mutable bool warn_reload; | |
| 123 | |
| 4933 | 124 protected: |
| 4930 | 125 |
| 4925 | 126 // The function we are handling. |
| 4930 | 127 octave_value fcn; |
| 4925 | 128 |
| 129 // The name of the handle, including the "@". | |
| 130 std::string nm; | |
| 4343 | 131 }; |
| 132 | |
| 133 extern octave_value make_fcn_handle (const std::string& nm); | |
| 134 | |
| 135 #endif | |
| 136 | |
| 137 /* | |
| 138 ;;; Local Variables: *** | |
| 139 ;;; mode: C++ *** | |
| 140 ;;; End: *** | |
| 141 */ |