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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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2376
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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7016
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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3503
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27 #include <iostream> |
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4726
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28 #include <vector> |
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2901
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29 |
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4944
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30 #include "data-conv.h" |
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2376
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31 #include "lo-ieee.h" |
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4944
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32 #include "mach-info.h" |
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33 #include "mx-base.h" |
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34 |
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5758
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35 #include "defun.h" |
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36 #include "byte-swap.h" |
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37 #include "gripes.h" |
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38 #include "ls-oct-ascii.h" |
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39 #include "ls-hdf5.h" |
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40 #include "ls-utils.h" |
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2407
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41 #include "oct-obj.h" |
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4944
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42 #include "oct-stream.h" |
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2376
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43 #include "ops.h" |
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5033
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44 #include "ov-scalar.h" |
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2376
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45 #include "ov-re-mat.h" |
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46 #include "ov-str-mat.h" |
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47 #include "pr-output.h" |
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3836
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48 #include "pt-mat.h" |
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5758
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49 #include "utils.h" |
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50 |
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3219
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51 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_str); |
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5279
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52 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_sq_str); |
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53 |
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4612
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54 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_str, "string", "char"); |
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55 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_sq_str, "sq_string", "char"); |
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56 |
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5759
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57 static octave_base_value * |
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58 default_numeric_conversion_function (const octave_base_value& a) |
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2376
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59 { |
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5759
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60 octave_base_value *retval = 0; |
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61 |
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62 CAST_CONV_ARG (const octave_char_matrix_str&); |
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63 |
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4668
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64 NDArray nda = v.array_value (true); |
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3203
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65 |
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5033
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66 if (! error_state) |
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67 { |
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68 if (nda.numel () == 1) |
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69 retval = new octave_scalar (nda(0)); |
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70 else |
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71 retval = new octave_matrix (nda); |
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72 } |
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73 |
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74 return retval; |
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2376
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75 } |
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76 |
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5759
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77 octave_base_value::type_conv_fcn |
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78 octave_char_matrix_str::numeric_conversion_function (void) const |
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79 { |
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80 return default_numeric_conversion_function; |
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81 } |
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82 |
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83 octave_value |
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5400
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84 octave_char_matrix_str::do_index_op_internal (const octave_value_list& idx, |
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5885
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85 bool resize_ok, char type) |
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2407
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86 { |
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87 octave_value retval; |
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88 |
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5275
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89 octave_idx_type len = idx.length (); |
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90 |
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91 switch (len) |
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92 { |
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5539
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93 case 0: |
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94 retval = octave_value (matrix, true, type); |
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2407
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95 break; |
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96 |
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97 case 1: |
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98 { |
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99 idx_vector i = idx (0).index_vector (); |
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100 |
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5086
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101 if (! error_state) |
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102 retval = octave_value (charNDArray (matrix.index (i, resize_ok)), |
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5400
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103 true, type); |
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2407
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104 } |
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105 break; |
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106 |
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5539
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107 case 2: |
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108 { |
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109 idx_vector i = idx (0).index_vector (); |
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110 idx_vector j = idx (1).index_vector (); |
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111 |
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112 if (! error_state) |
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113 retval = octave_value (charNDArray (matrix.index (i, j, resize_ok)), |
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114 true, type); |
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115 } |
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5435
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116 break; |
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117 |
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2407
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118 default: |
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4513
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119 { |
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120 Array<idx_vector> idx_vec (len); |
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121 |
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5275
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122 for (octave_idx_type i = 0; i < len; i++) |
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4513
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123 idx_vec(i) = idx(i).index_vector (); |
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124 |
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5086
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125 if (! error_state) |
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126 retval = octave_value (charNDArray (matrix.index (idx_vec, resize_ok)), |
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5400
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127 true, type); |
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4513
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128 } |
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2407
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129 break; |
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130 } |
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131 |
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132 return retval; |
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133 } |
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134 |
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135 void |
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136 octave_char_matrix_str::assign (const octave_value_list& idx, |
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137 const charMatrix& rhs) |
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138 { |
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5275
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139 octave_idx_type len = idx.length (); |
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2407
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140 |
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5775
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141 // FIXME |
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2571
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142 charMatrix tmp = rhs; |
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143 if (tmp.rows () == 1 && tmp.columns () == 0) |
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144 tmp.resize (0, 0); |
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145 |
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5275
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146 for (octave_idx_type i = 0; i < len; i++) |
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4513
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147 matrix.set_index (idx(i).index_vector ()); |
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2407
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148 |
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4513
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149 ::assign (matrix, tmp, Vstring_fill_char); |
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2407
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150 } |
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151 |
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5731
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152 octave_value |
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153 octave_char_matrix_str::resize (const dim_vector& dv, bool fill) const |
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154 { |
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155 charNDArray retval (matrix); |
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156 if (fill) |
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157 retval.resize (dv, charNDArray::resize_fill_value()); |
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158 else |
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159 retval.resize (dv); |
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160 return octave_value (retval, true); |
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161 } |
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162 |
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2376
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163 bool |
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164 octave_char_matrix_str::valid_as_scalar_index (void) const |
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165 { |
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166 bool retval = false; |
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167 error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented"); |
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168 return retval; |
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169 } |
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170 |
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4668
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171 #define CHAR_MATRIX_CONV(T, INIT, TNAME, FCN) \ |
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172 T retval INIT; \ |
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173 \ |
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174 if (! force_string_conv) \ |
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175 gripe_invalid_conversion ("string", TNAME); \ |
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176 else \ |
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177 { \ |
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5878
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178 warning_with_id ("Octave:str-to-num", \ |
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5781
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179 "implicit conversion from %s to %s", \ |
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180 "string", TNAME); \ |
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4668
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181 \ |
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182 retval = octave_char_matrix::FCN (); \ |
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183 } \ |
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184 \ |
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185 return retval |
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186 |
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4643
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187 double |
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188 octave_char_matrix_str::double_value (bool force_string_conv) const |
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189 { |
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4668
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190 CHAR_MATRIX_CONV (double, = 0, "real scalar", double_value); |
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191 } |
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4643
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192 |
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4668
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193 Complex |
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194 octave_char_matrix_str::complex_value (bool force_string_conv) const |
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195 { |
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196 CHAR_MATRIX_CONV (Complex, = 0, "complex scalar", complex_value); |
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4643
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197 } |
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198 |
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199 Matrix |
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200 octave_char_matrix_str::matrix_value (bool force_string_conv) const |
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201 { |
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4668
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202 CHAR_MATRIX_CONV (Matrix, , "real matrix", matrix_value); |
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203 } |
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204 |
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205 ComplexMatrix |
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206 octave_char_matrix_str::complex_matrix_value (bool force_string_conv) const |
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207 { |
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208 CHAR_MATRIX_CONV (ComplexMatrix, , "complex matrix", complex_matrix_value); |
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209 } |
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210 |
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211 NDArray |
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212 octave_char_matrix_str::array_value (bool force_string_conv) const |
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213 { |
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214 CHAR_MATRIX_CONV (NDArray, , "real N-d array", array_value); |
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215 } |
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216 |
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217 ComplexNDArray |
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218 octave_char_matrix_str::complex_array_value (bool force_string_conv) const |
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219 { |
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220 CHAR_MATRIX_CONV (ComplexNDArray, , "complex N-d array", |
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221 complex_array_value); |
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222 } |
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223 |
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2493
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224 string_vector |
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5715
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225 octave_char_matrix_str::all_strings (bool) const |
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226 { |
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4513
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227 string_vector retval; |
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228 |
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229 if (matrix.ndims () == 2) |
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230 { |
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6816
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231 charMatrix chm = matrix.matrix_value (); |
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232 |
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6816
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233 octave_idx_type n = chm.rows (); |
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2493
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234 |
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6816
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235 retval.resize (n); |
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2493
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236 |
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6816
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237 for (octave_idx_type i = 0; i < n; i++) |
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238 retval[i] = chm.row_as_string (i); |
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4513
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239 } |
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240 else |
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241 error ("invalid conversion of charNDArray to string_vector"); |
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2493
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242 |
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243 return retval; |
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2376
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244 } |
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245 |
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3536
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246 std::string |
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4457
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247 octave_char_matrix_str::string_value (bool) const |
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2376
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248 { |
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4513
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249 std::string retval; |
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250 |
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251 if (matrix.ndims () == 2) |
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252 { |
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253 charMatrix chm = matrix.matrix_value (); |
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254 |
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5775
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255 retval = chm.row_as_string (0); // FIXME??? |
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4513
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256 } |
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257 else |
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258 error ("invalid conversion of charNDArray to string"); |
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259 |
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260 return retval; |
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261 } |
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262 |
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263 void |
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3523
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264 octave_char_matrix_str::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
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2376
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265 { |
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3219
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266 octave_print_internal (os, matrix, pr_as_read_syntax, |
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267 current_print_indent_level (), true); |
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2376
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268 } |
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269 |
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4687
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270 bool |
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6974
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271 octave_char_matrix_str::save_ascii (std::ostream& os) |
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4687
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272 { |
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4805
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273 dim_vector d = dims (); |
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274 if (d.length () > 2) |
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275 { |
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276 charNDArray tmp = char_array_value (); |
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277 os << "# ndims: " << d.length () << "\n"; |
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278 for (int i=0; i < d.length (); i++) |
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279 os << " " << d (i); |
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280 os << "\n"; |
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5760
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281 os.write (tmp.fortran_vec (), d.numel ()); |
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4805
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282 os << "\n"; |
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283 } |
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284 else |
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4687
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285 { |
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4805
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286 // Keep this case, rather than use generic code above for |
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287 // backward compatiability. Makes load_ascii much more complex!! |
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288 charMatrix chm = char_matrix_value (); |
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5275
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289 octave_idx_type elements = chm.rows (); |
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4805
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290 os << "# elements: " << elements << "\n"; |
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5275
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291 for (octave_idx_type i = 0; i < elements; i++) |
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4805
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292 { |
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293 unsigned len = chm.cols (); |
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294 os << "# length: " << len << "\n"; |
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295 std::string tstr = chm.row_as_string (i, false, true); |
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296 const char *tmp = tstr.data (); |
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297 if (tstr.length () > len) |
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298 panic_impossible (); |
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5760
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299 os.write (tmp, len); |
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4805
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300 os << "\n"; |
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301 } |
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4687
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302 } |
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303 |
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304 return true; |
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305 } |
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306 |
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307 bool |
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308 octave_char_matrix_str::load_ascii (std::istream& is) |
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309 { |
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310 bool success = true; |
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5099
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311 |
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312 string_vector keywords(3); |
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313 |
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314 keywords[0] = "ndims"; |
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315 keywords[1] = "elements"; |
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316 keywords[2] = "length"; |
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317 |
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318 std::string kw; |
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319 int val = 0; |
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4687
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320 |
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5099
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321 if (extract_keyword (is, keywords, kw, val, true)) |
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4687
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322 { |
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5099
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323 if (kw == "ndims") |
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4687
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324 { |
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5099
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325 int mdims = val; |
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326 |
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327 if (mdims >= 0) |
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328 { |
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329 dim_vector dv; |
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330 dv.resize (mdims); |
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4805
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331 |
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5099
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332 for (int i = 0; i < mdims; i++) |
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333 is >> dv(i); |
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4687
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334 |
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6717
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335 if (is) |
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336 { |
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337 charNDArray tmp(dv); |
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338 |
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339 if (tmp.is_empty ()) |
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340 matrix = tmp; |
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341 else |
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342 { |
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343 char *ftmp = tmp.fortran_vec (); |
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5099
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344 |
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6717
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345 // Skip the return line |
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346 if (! is.read (ftmp, 1)) |
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347 return false; |
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4805
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348 |
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6717
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349 if (! is.read (ftmp, dv.numel ()) || !is) |
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350 { |
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351 error ("load: failed to load string constant"); |
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352 success = false; |
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353 } |
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354 else |
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355 matrix = tmp; |
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356 } |
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357 } |
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358 else |
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5099
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359 { |
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6717
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360 error ("load: failed to read dimensions"); |
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5099
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361 success = false; |
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362 } |
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363 } |
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364 else |
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4687
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365 { |
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5099
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366 error ("load: failed to extract matrix size"); |
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4805
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367 success = false; |
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4687
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368 } |
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369 } |
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5099
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370 else if (kw == "elements") |
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4687
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371 { |
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5099
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372 int elements = val; |
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4805
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373 |
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374 if (elements >= 0) |
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375 { |
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5775
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376 // FIXME -- need to be able to get max length |
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4805
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377 // before doing anything. |
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4687
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378 |
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4805
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379 charMatrix chm (elements, 0); |
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380 int max_len = 0; |
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381 for (int i = 0; i < elements; i++) |
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382 { |
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383 int len; |
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384 if (extract_keyword (is, "length", len) && len >= 0) |
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385 { |
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6151
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386 // Use this instead of a C-style character |
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387 // buffer so that we can properly handle |
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388 // embedded NUL characters. |
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389 charMatrix tmp (1, len); |
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390 char *ptmp = tmp.fortran_vec (); |
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391 |
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392 if (len > 0 && ! is.read (ptmp, len)) |
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4805
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393 { |
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394 error ("load: failed to load string constant"); |
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395 success = false; |
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396 break; |
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397 } |
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398 else |
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399 { |
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400 if (len > max_len) |
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401 { |
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402 max_len = len; |
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403 chm.resize (elements, max_len, 0); |
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404 } |
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6151
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405 |
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4805
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406 chm.insert (tmp, i, 0); |
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407 } |
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408 } |
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409 else |
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410 { |
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411 error ("load: failed to extract string length for element %d", |
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412 i+1); |
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413 success = false; |
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414 } |
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415 } |
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416 |
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417 if (! error_state) |
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418 matrix = chm; |
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4687
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419 } |
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420 else |
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421 { |
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4805
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422 error ("load: failed to extract number of string elements"); |
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423 success = false; |
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424 } |
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425 } |
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5099
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426 else if (kw == "length") |
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4805
|
427 { |
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5099
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428 int len = val; |
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4805
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429 |
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5099
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430 if (len >= 0) |
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4805
|
431 { |
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432 // This is cruft for backward compatiability, |
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433 // but relatively harmless. |
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434 |
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6151
|
435 // Use this instead of a C-style character buffer so |
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436 // that we can properly handle embedded NUL characters. |
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437 charMatrix tmp (1, len); |
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438 char *ptmp = tmp.fortran_vec (); |
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4805
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439 |
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6151
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440 if (len > 0 && ! is.read (ptmp, len)) |
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4805
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441 { |
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442 error ("load: failed to load string constant"); |
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443 } |
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4687
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444 else |
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4805
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445 { |
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446 if (is) |
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6151
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447 matrix = tmp; |
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4805
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448 else |
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449 error ("load: failed to load string constant"); |
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450 } |
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4687
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451 } |
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452 } |
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5099
|
453 else |
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454 panic_impossible (); |
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455 } |
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456 else |
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457 { |
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458 error ("load: failed to extract number of rows and columns"); |
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459 success = false; |
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4687
|
460 } |
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461 |
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462 return success; |
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463 } |
|
|
464 |
|
|
465 bool |
|
|
466 octave_char_matrix_str::save_binary (std::ostream& os, |
|
|
467 bool& /* save_as_floats */) |
|
|
468 { |
|
4805
|
469 dim_vector d = dims (); |
|
|
470 if (d.length() < 1) |
|
|
471 return false; |
|
|
472 |
|
|
473 // Use negative value for ndims to differentiate with old format!! |
|
5828
|
474 int32_t tmp = - d.length(); |
|
5760
|
475 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
4805
|
476 for (int i=0; i < d.length (); i++) |
|
4687
|
477 { |
|
4805
|
478 tmp = d(i); |
|
5760
|
479 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
4687
|
480 } |
|
4805
|
481 |
|
|
482 charNDArray m = char_array_value (); |
|
|
483 os.write (m.fortran_vec (), d.numel ()); |
|
4687
|
484 return true; |
|
|
485 } |
|
|
486 |
|
|
487 bool |
|
|
488 octave_char_matrix_str::load_binary (std::istream& is, bool swap, |
|
|
489 oct_mach_info::float_format /* fmt */) |
|
|
490 { |
|
5828
|
491 int32_t elements; |
|
5760
|
492 if (! is.read (reinterpret_cast<char *> (&elements), 4)) |
|
4687
|
493 return false; |
|
|
494 if (swap) |
|
4944
|
495 swap_bytes<4> (&elements); |
|
4805
|
496 |
|
|
497 if (elements < 0) |
|
4687
|
498 { |
|
5828
|
499 int32_t mdims = - elements; |
|
|
500 int32_t di; |
|
4805
|
501 dim_vector dv; |
|
|
502 dv.resize (mdims); |
|
|
503 |
|
|
504 for (int i = 0; i < mdims; i++) |
|
|
505 { |
|
5760
|
506 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
|
4805
|
507 return false; |
|
|
508 if (swap) |
|
4944
|
509 swap_bytes<4> (&di); |
|
4805
|
510 dv(i) = di; |
|
|
511 } |
|
|
512 |
|
5157
|
513 // Convert an array with a single dimension to be a row vector. |
|
|
514 // Octave should never write files like this, other software |
|
|
515 // might. |
|
|
516 |
|
|
517 if (mdims == 1) |
|
|
518 { |
|
|
519 mdims = 2; |
|
|
520 dv.resize (mdims); |
|
|
521 dv(1) = dv(0); |
|
|
522 dv(0) = 1; |
|
|
523 } |
|
|
524 |
|
4805
|
525 charNDArray m(dv); |
|
|
526 char *tmp = m.fortran_vec (); |
|
|
527 is.read (tmp, dv.numel ()); |
|
|
528 |
|
|
529 if (error_state || ! is) |
|
4687
|
530 return false; |
|
4805
|
531 matrix = m; |
|
|
532 } |
|
|
533 else |
|
|
534 { |
|
|
535 charMatrix chm (elements, 0); |
|
|
536 int max_len = 0; |
|
|
537 for (int i = 0; i < elements; i++) |
|
4687
|
538 { |
|
5828
|
539 int32_t len; |
|
5760
|
540 if (! is.read (reinterpret_cast<char *> (&len), 4)) |
|
4805
|
541 return false; |
|
|
542 if (swap) |
|
4944
|
543 swap_bytes<4> (&len); |
|
6151
|
544 charMatrix btmp (1, len); |
|
|
545 char *pbtmp = btmp.fortran_vec (); |
|
|
546 if (! is.read (pbtmp, len)) |
|
4805
|
547 return false; |
|
|
548 if (len > max_len) |
|
|
549 { |
|
|
550 max_len = len; |
|
|
551 chm.resize (elements, max_len, 0); |
|
|
552 } |
|
|
553 chm.insert (btmp, i, 0); |
|
4687
|
554 } |
|
4805
|
555 matrix = chm; |
|
4687
|
556 } |
|
|
557 return true; |
|
|
558 } |
|
|
559 |
|
|
560 #if defined (HAVE_HDF5) |
|
4944
|
561 |
|
4687
|
562 bool |
|
|
563 octave_char_matrix_str::save_hdf5 (hid_t loc_id, const char *name, |
|
|
564 bool /* save_as_floats */) |
|
|
565 { |
|
4837
|
566 dim_vector dv = dims (); |
|
|
567 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
568 if (empty) |
|
4805
|
569 return (empty > 0); |
|
4687
|
570 |
|
4837
|
571 int rank = dv.length (); |
|
4805
|
572 hid_t space_hid = -1, data_hid = -1; |
|
|
573 bool retval = true; |
|
|
574 charNDArray m = char_array_value (); |
|
|
575 |
|
|
576 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
4687
|
577 |
|
4805
|
578 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
579 for (int i = 0; i < rank; i++) |
|
4837
|
580 hdims[i] = dv (rank-i-1); |
|
4805
|
581 |
|
4815
|
582 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4805
|
583 if (space_hid < 0) |
|
|
584 return false; |
|
4687
|
585 |
|
4805
|
586 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_CHAR, space_hid, |
|
|
587 H5P_DEFAULT); |
|
|
588 if (data_hid < 0) |
|
4687
|
589 { |
|
4805
|
590 H5Sclose (space_hid); |
|
4687
|
591 return false; |
|
|
592 } |
|
|
593 |
|
4837
|
594 OCTAVE_LOCAL_BUFFER (char, s, dv.numel ()); |
|
4687
|
595 |
|
4837
|
596 for (int i = 0; i < dv.numel (); ++i) |
|
4805
|
597 s[i] = m(i); |
|
4687
|
598 |
|
4805
|
599 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
600 H5P_DEFAULT, s) >= 0; |
|
4687
|
601 |
|
|
602 H5Dclose (data_hid); |
|
|
603 H5Sclose (space_hid); |
|
4837
|
604 |
|
4687
|
605 return retval; |
|
|
606 } |
|
|
607 |
|
|
608 bool |
|
|
609 octave_char_matrix_str::load_hdf5 (hid_t loc_id, const char *name, |
|
|
610 bool /* have_h5giterate_bug */) |
|
|
611 { |
|
4837
|
612 bool retval = false; |
|
|
613 |
|
4805
|
614 dim_vector dv; |
|
|
615 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
616 if (empty > 0) |
|
|
617 matrix.resize(dv); |
|
4837
|
618 if (empty) |
|
|
619 return (empty > 0); |
|
4805
|
620 |
|
4687
|
621 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
622 hid_t space_hid = H5Dget_space (data_hid); |
|
|
623 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
624 hid_t type_hid = H5Dget_type (data_hid); |
|
4805
|
625 hid_t type_class_hid = H5Tget_class (type_hid); |
|
4687
|
626 |
|
4805
|
627 if (type_class_hid == H5T_INTEGER) |
|
4687
|
628 { |
|
4805
|
629 if (rank < 1) |
|
4687
|
630 { |
|
|
631 H5Tclose (type_hid); |
|
|
632 H5Sclose (space_hid); |
|
|
633 H5Dclose (data_hid); |
|
|
634 return false; |
|
|
635 } |
|
4805
|
636 |
|
|
637 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
638 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
639 |
|
|
640 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
|
641 |
|
|
642 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
643 if (rank == 1) |
|
|
644 { |
|
|
645 dv.resize (2); |
|
|
646 dv(0) = 1; |
|
|
647 dv(1) = hdims[0]; |
|
|
648 } |
|
4687
|
649 else |
|
|
650 { |
|
4805
|
651 dv.resize (rank); |
|
4815
|
652 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4805
|
653 dv(j) = hdims[i]; |
|
|
654 } |
|
|
655 |
|
|
656 charNDArray m (dv); |
|
|
657 char *str = m.fortran_vec (); |
|
|
658 if (H5Dread (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
659 H5P_DEFAULT, str) >= 0) |
|
4805
|
660 { |
|
|
661 retval = true; |
|
|
662 matrix = m; |
|
|
663 } |
|
|
664 |
|
|
665 H5Tclose (type_hid); |
|
|
666 H5Sclose (space_hid); |
|
|
667 H5Dclose (data_hid); |
|
|
668 return true; |
|
|
669 } |
|
|
670 else |
|
|
671 { |
|
|
672 // This is cruft for backward compatiability and easy data |
|
|
673 // importation |
|
|
674 if (rank == 0) |
|
|
675 { |
|
|
676 // a single string: |
|
|
677 int slen = H5Tget_size (type_hid); |
|
|
678 if (slen < 0) |
|
4687
|
679 { |
|
|
680 H5Tclose (type_hid); |
|
|
681 H5Sclose (space_hid); |
|
|
682 H5Dclose (data_hid); |
|
|
683 return false; |
|
|
684 } |
|
4805
|
685 else |
|
|
686 { |
|
|
687 OCTAVE_LOCAL_BUFFER (char, s, slen); |
|
|
688 // create datatype for (null-terminated) string |
|
|
689 // to read into: |
|
|
690 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
691 H5Tset_size (st_id, slen); |
|
5760
|
692 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
|
4805
|
693 { |
|
|
694 H5Tclose (st_id); |
|
|
695 H5Tclose (type_hid); |
|
|
696 H5Sclose (space_hid); |
|
|
697 H5Dclose (data_hid); |
|
|
698 return false; |
|
|
699 } |
|
4687
|
700 |
|
4805
|
701 matrix = charMatrix (s); |
|
4687
|
702 |
|
4805
|
703 H5Tclose (st_id); |
|
|
704 H5Tclose (type_hid); |
|
|
705 H5Sclose (space_hid); |
|
|
706 H5Dclose (data_hid); |
|
|
707 return true; |
|
|
708 } |
|
4687
|
709 } |
|
4805
|
710 else if (rank == 1) |
|
|
711 { |
|
|
712 // string vector |
|
|
713 hsize_t elements, maxdim; |
|
|
714 H5Sget_simple_extent_dims (space_hid, &elements, &maxdim); |
|
|
715 int slen = H5Tget_size (type_hid); |
|
|
716 if (slen < 0) |
|
|
717 { |
|
|
718 H5Tclose (type_hid); |
|
|
719 H5Sclose (space_hid); |
|
|
720 H5Dclose (data_hid); |
|
|
721 return false; |
|
|
722 } |
|
|
723 else |
|
|
724 { |
|
|
725 // hdf5 string arrays store strings of all the |
|
|
726 // same physical length (I think), which is |
|
|
727 // slightly wasteful, but oh well. |
|
|
728 |
|
|
729 OCTAVE_LOCAL_BUFFER (char, s, elements * slen); |
|
|
730 |
|
|
731 // create datatype for (null-terminated) string |
|
|
732 // to read into: |
|
|
733 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
734 H5Tset_size (st_id, slen); |
|
|
735 |
|
5760
|
736 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
|
4805
|
737 { |
|
|
738 H5Tclose (st_id); |
|
|
739 H5Tclose (type_hid); |
|
|
740 H5Sclose (space_hid); |
|
|
741 H5Dclose (data_hid); |
|
|
742 return false; |
|
|
743 } |
|
|
744 |
|
|
745 charMatrix chm (elements, slen - 1); |
|
|
746 for (hsize_t i = 0; i < elements; ++i) |
|
|
747 { |
|
|
748 chm.insert (s + i*slen, i, 0); |
|
|
749 } |
|
|
750 |
|
|
751 matrix = chm; |
|
|
752 |
|
|
753 H5Tclose (st_id); |
|
|
754 H5Tclose (type_hid); |
|
|
755 H5Sclose (space_hid); |
|
|
756 H5Dclose (data_hid); |
|
|
757 return true; |
|
|
758 } |
|
|
759 } |
|
|
760 else |
|
4687
|
761 { |
|
|
762 H5Tclose (type_hid); |
|
|
763 H5Sclose (space_hid); |
|
|
764 H5Dclose (data_hid); |
|
|
765 return false; |
|
|
766 } |
|
|
767 } |
|
4837
|
768 |
|
|
769 return retval; |
|
4687
|
770 } |
|
4944
|
771 |
|
4687
|
772 #endif |
|
|
773 |
|
2376
|
774 /* |
|
|
775 ;;; Local Variables: *** |
|
|
776 ;;; mode: C++ *** |
|
|
777 ;;; End: *** |
|
|
778 */ |
