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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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9 Free Software Foundation; either version 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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3503
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28 #include <iostream> |
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4726
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29 #include <vector> |
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2901
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30 |
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4944
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31 #include "data-conv.h" |
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32 #include "lo-ieee.h" |
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4944
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33 #include "mach-info.h" |
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2376
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34 #include "mx-base.h" |
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35 |
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2407
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36 #include "oct-obj.h" |
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4944
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37 #include "oct-stream.h" |
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2376
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38 #include "ops.h" |
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5033
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39 #include "ov-scalar.h" |
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40 #include "ov-re-mat.h" |
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41 #include "ov-str-mat.h" |
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42 #include "gripes.h" |
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43 #include "pr-output.h" |
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3836
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44 #include "pt-mat.h" |
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45 |
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4687
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46 #include "byte-swap.h" |
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47 #include "ls-oct-ascii.h" |
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48 #include "ls-hdf5.h" |
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49 #include "ls-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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57 static octave_value * |
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58 default_numeric_conversion_function (const octave_value& a) |
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59 { |
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5033
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60 octave_value *retval = 0; |
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61 |
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2376
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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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2427
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77 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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85 int 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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2407
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90 |
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91 switch (len) |
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92 { |
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93 case 2: |
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94 { |
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95 idx_vector i = idx (0).index_vector (); |
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96 idx_vector j = idx (1).index_vector (); |
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97 |
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5086
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98 if (! error_state) |
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99 retval = octave_value (charNDArray (matrix.index (i, j, resize_ok)), |
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5400
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100 true, type); |
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2407
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101 } |
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102 break; |
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103 |
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104 case 1: |
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105 { |
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106 idx_vector i = idx (0).index_vector (); |
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107 |
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5086
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108 if (! error_state) |
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109 retval = octave_value (charNDArray (matrix.index (i, resize_ok)), |
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5400
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110 true, type); |
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2407
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111 } |
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112 break; |
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113 |
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5435
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114 case 0: |
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115 error ("invalid number of indices (= 0) for %d-dimensional character array", matrix.ndims ()); |
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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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2571
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141 // XXX FIXME XXX |
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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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2376
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152 bool |
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153 octave_char_matrix_str::valid_as_scalar_index (void) const |
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154 { |
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155 bool retval = false; |
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156 error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented"); |
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157 return retval; |
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158 } |
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159 |
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4668
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160 #define CHAR_MATRIX_CONV(T, INIT, TNAME, FCN) \ |
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161 T retval INIT; \ |
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162 \ |
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163 if (! force_string_conv) \ |
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164 gripe_invalid_conversion ("string", TNAME); \ |
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165 else \ |
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166 { \ |
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167 if (Vwarn_str_to_num) \ |
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168 gripe_implicit_conversion ("string", TNAME); \ |
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169 \ |
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170 retval = octave_char_matrix::FCN (); \ |
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171 } \ |
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172 \ |
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173 return retval |
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174 |
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4643
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175 double |
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176 octave_char_matrix_str::double_value (bool force_string_conv) const |
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177 { |
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4668
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178 CHAR_MATRIX_CONV (double, = 0, "real scalar", double_value); |
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179 } |
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4643
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180 |
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4668
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181 Complex |
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182 octave_char_matrix_str::complex_value (bool force_string_conv) const |
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183 { |
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184 CHAR_MATRIX_CONV (Complex, = 0, "complex scalar", complex_value); |
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4643
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185 } |
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186 |
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187 Matrix |
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188 octave_char_matrix_str::matrix_value (bool force_string_conv) const |
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189 { |
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4668
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190 CHAR_MATRIX_CONV (Matrix, , "real matrix", matrix_value); |
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191 } |
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192 |
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193 ComplexMatrix |
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194 octave_char_matrix_str::complex_matrix_value (bool force_string_conv) const |
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195 { |
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196 CHAR_MATRIX_CONV (ComplexMatrix, , "complex matrix", complex_matrix_value); |
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197 } |
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198 |
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4668
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199 NDArray |
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200 octave_char_matrix_str::array_value (bool force_string_conv) const |
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201 { |
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202 CHAR_MATRIX_CONV (NDArray, , "real N-d array", array_value); |
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203 } |
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204 |
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4668
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205 ComplexNDArray |
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206 octave_char_matrix_str::complex_array_value (bool force_string_conv) const |
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207 { |
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208 CHAR_MATRIX_CONV (ComplexNDArray, , "complex N-d array", |
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209 complex_array_value); |
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210 } |
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211 |
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2493
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212 string_vector |
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4457
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213 octave_char_matrix_str::all_strings (bool, bool) const |
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214 { |
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4513
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215 string_vector retval; |
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216 |
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217 if (matrix.ndims () == 2) |
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218 { |
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219 charMatrix chm = matrix.matrix_value (); |
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220 |
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221 octave_idx_type n = chm.rows (); |
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2493
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222 |
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4513
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223 retval.resize (n); |
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224 |
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5275
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225 for (octave_idx_type i = 0; i < n; i++) |
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4513
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226 retval[i] = chm.row_as_string (i, true); |
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227 } |
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228 else |
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229 error ("invalid conversion of charNDArray to string_vector"); |
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2493
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230 |
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231 return retval; |
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232 } |
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233 |
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3536
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234 std::string |
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4457
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235 octave_char_matrix_str::string_value (bool) const |
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2376
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236 { |
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4513
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237 std::string retval; |
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238 |
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239 if (matrix.ndims () == 2) |
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240 { |
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241 charMatrix chm = matrix.matrix_value (); |
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242 |
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243 retval = chm.row_as_string (0); // XXX FIXME??? XXX |
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244 } |
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245 else |
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246 error ("invalid conversion of charNDArray to string"); |
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247 |
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248 return retval; |
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249 } |
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250 |
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251 void |
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3523
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252 octave_char_matrix_str::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
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2376
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253 { |
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3219
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254 octave_print_internal (os, matrix, pr_as_read_syntax, |
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255 current_print_indent_level (), true); |
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2376
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256 } |
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257 |
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4687
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258 bool |
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259 octave_char_matrix_str::save_ascii (std::ostream& os, |
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260 bool& /* infnan_warned */, |
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261 bool /* strip_nan_and_inf */) |
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262 { |
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4805
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263 dim_vector d = dims (); |
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264 if (d.length () > 2) |
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265 { |
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266 charNDArray tmp = char_array_value (); |
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267 os << "# ndims: " << d.length () << "\n"; |
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268 for (int i=0; i < d.length (); i++) |
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269 os << " " << d (i); |
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270 os << "\n"; |
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271 os.write (X_CAST (char *, tmp.fortran_vec ()), d.numel ()); |
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272 os << "\n"; |
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273 } |
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274 else |
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4687
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275 { |
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4805
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276 // Keep this case, rather than use generic code above for |
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277 // backward compatiability. Makes load_ascii much more complex!! |
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278 charMatrix chm = char_matrix_value (); |
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5275
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279 octave_idx_type elements = chm.rows (); |
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4805
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280 os << "# elements: " << elements << "\n"; |
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5275
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281 for (octave_idx_type i = 0; i < elements; i++) |
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4805
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282 { |
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283 unsigned len = chm.cols (); |
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284 os << "# length: " << len << "\n"; |
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285 std::string tstr = chm.row_as_string (i, false, true); |
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286 const char *tmp = tstr.data (); |
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287 if (tstr.length () > len) |
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288 panic_impossible (); |
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289 os.write (X_CAST (char *, tmp), len); |
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290 os << "\n"; |
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291 } |
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4687
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292 } |
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293 |
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294 return true; |
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295 } |
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296 |
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297 bool |
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298 octave_char_matrix_str::load_ascii (std::istream& is) |
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299 { |
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300 bool success = true; |
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5099
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301 |
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302 string_vector keywords(3); |
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303 |
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304 keywords[0] = "ndims"; |
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305 keywords[1] = "elements"; |
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306 keywords[2] = "length"; |
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307 |
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308 std::string kw; |
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309 int val = 0; |
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4687
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310 |
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5099
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311 if (extract_keyword (is, keywords, kw, val, true)) |
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4687
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312 { |
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5099
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313 if (kw == "ndims") |
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4687
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314 { |
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5099
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315 int mdims = val; |
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316 |
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317 if (mdims >= 0) |
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318 { |
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319 dim_vector dv; |
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320 dv.resize (mdims); |
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4805
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321 |
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5099
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322 for (int i = 0; i < mdims; i++) |
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323 is >> dv(i); |
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4687
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324 |
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5099
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325 charNDArray tmp(dv); |
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326 char *ftmp = tmp.fortran_vec (); |
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327 |
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328 // Skip the return line |
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329 if (! is.read (ftmp, 1)) |
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330 return false; |
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4805
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331 |
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5099
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332 if (! is.read (ftmp, dv.numel ()) || !is) |
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333 { |
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334 error ("load: failed to load string constant"); |
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335 success = false; |
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336 } |
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337 else |
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338 matrix = tmp; |
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339 } |
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340 else |
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4687
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341 { |
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5099
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342 error ("load: failed to extract matrix size"); |
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4805
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343 success = false; |
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4687
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344 } |
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345 } |
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5099
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346 else if (kw == "elements") |
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4687
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347 { |
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5099
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348 int elements = val; |
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4805
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349 |
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350 if (elements >= 0) |
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351 { |
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352 // XXX FIXME XXX -- need to be able to get max length |
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353 // before doing anything. |
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4687
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354 |
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4805
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355 charMatrix chm (elements, 0); |
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356 int max_len = 0; |
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357 for (int i = 0; i < elements; i++) |
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358 { |
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359 int len; |
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360 if (extract_keyword (is, "length", len) && len >= 0) |
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361 { |
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362 OCTAVE_LOCAL_BUFFER (char, tmp, len+1); |
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363 |
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364 if (len > 0 && ! |
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365 is.read (X_CAST (char *, tmp), len)) |
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366 { |
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367 error ("load: failed to load string constant"); |
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368 success = false; |
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369 break; |
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370 } |
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371 else |
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372 { |
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373 tmp [len] = '\0'; |
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374 if (len > max_len) |
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375 { |
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376 max_len = len; |
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377 chm.resize (elements, max_len, 0); |
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378 } |
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379 chm.insert (tmp, i, 0); |
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380 } |
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381 } |
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382 else |
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383 { |
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384 error ("load: failed to extract string length for element %d", |
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385 i+1); |
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386 success = false; |
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387 } |
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388 } |
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389 |
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390 if (! error_state) |
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391 matrix = chm; |
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4687
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392 } |
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393 else |
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394 { |
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4805
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395 error ("load: failed to extract number of string elements"); |
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396 success = false; |
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397 } |
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398 } |
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5099
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399 else if (kw == "length") |
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4805
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400 { |
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5099
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401 int len = val; |
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4805
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402 |
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5099
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403 if (len >= 0) |
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4805
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404 { |
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405 // This is cruft for backward compatiability, |
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406 // but relatively harmless. |
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407 |
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408 OCTAVE_LOCAL_BUFFER (char, tmp, len+1); |
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409 |
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410 if (len > 0 && ! is.read (X_CAST (char *, tmp), len)) |
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411 { |
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412 error ("load: failed to load string constant"); |
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413 } |
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4687
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414 else |
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4805
|
415 { |
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416 tmp [len] = '\0'; |
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417 |
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418 if (is) |
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419 matrix = charMatrix (tmp); |
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420 else |
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421 error ("load: failed to load string constant"); |
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422 } |
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4687
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423 } |
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424 } |
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5099
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425 else |
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426 panic_impossible (); |
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427 } |
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428 else |
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429 { |
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430 error ("load: failed to extract number of rows and columns"); |
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431 success = false; |
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4687
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432 } |
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433 |
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434 return success; |
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435 } |
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436 |
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437 bool |
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438 octave_char_matrix_str::save_binary (std::ostream& os, |
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439 bool& /* save_as_floats */) |
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440 { |
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4805
|
441 dim_vector d = dims (); |
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442 if (d.length() < 1) |
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443 return false; |
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444 |
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445 // Use negative value for ndims to differentiate with old format!! |
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|
446 FOUR_BYTE_INT tmp = - d.length(); |
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447 os.write (X_CAST (char *, &tmp), 4); |
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448 for (int i=0; i < d.length (); i++) |
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4687
|
449 { |
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4805
|
450 tmp = d(i); |
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451 os.write (X_CAST (char *, &tmp), 4); |
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4687
|
452 } |
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4805
|
453 |
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454 charNDArray m = char_array_value (); |
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|
455 os.write (m.fortran_vec (), d.numel ()); |
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4687
|
456 return true; |
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|
457 } |
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458 |
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|
459 bool |
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|
460 octave_char_matrix_str::load_binary (std::istream& is, bool swap, |
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|
461 oct_mach_info::float_format /* fmt */) |
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|
462 { |
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463 FOUR_BYTE_INT elements; |
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|
464 if (! is.read (X_CAST (char *, &elements), 4)) |
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|
465 return false; |
|
|
466 if (swap) |
|
4944
|
467 swap_bytes<4> (&elements); |
|
4805
|
468 |
|
|
469 if (elements < 0) |
|
4687
|
470 { |
|
4805
|
471 FOUR_BYTE_INT mdims = - elements; |
|
|
472 FOUR_BYTE_INT di; |
|
|
473 dim_vector dv; |
|
|
474 dv.resize (mdims); |
|
|
475 |
|
|
476 for (int i = 0; i < mdims; i++) |
|
|
477 { |
|
|
478 if (! is.read (X_CAST (char *, &di), 4)) |
|
|
479 return false; |
|
|
480 if (swap) |
|
4944
|
481 swap_bytes<4> (&di); |
|
4805
|
482 dv(i) = di; |
|
|
483 } |
|
|
484 |
|
5157
|
485 // Convert an array with a single dimension to be a row vector. |
|
|
486 // Octave should never write files like this, other software |
|
|
487 // might. |
|
|
488 |
|
|
489 if (mdims == 1) |
|
|
490 { |
|
|
491 mdims = 2; |
|
|
492 dv.resize (mdims); |
|
|
493 dv(1) = dv(0); |
|
|
494 dv(0) = 1; |
|
|
495 } |
|
|
496 |
|
4805
|
497 charNDArray m(dv); |
|
|
498 char *tmp = m.fortran_vec (); |
|
|
499 is.read (tmp, dv.numel ()); |
|
|
500 |
|
|
501 if (error_state || ! is) |
|
4687
|
502 return false; |
|
4805
|
503 matrix = m; |
|
|
504 } |
|
|
505 else |
|
|
506 { |
|
|
507 charMatrix chm (elements, 0); |
|
|
508 int max_len = 0; |
|
|
509 for (int i = 0; i < elements; i++) |
|
4687
|
510 { |
|
4805
|
511 FOUR_BYTE_INT len; |
|
|
512 if (! is.read (X_CAST (char *, &len), 4)) |
|
|
513 return false; |
|
|
514 if (swap) |
|
4944
|
515 swap_bytes<4> (&len); |
|
4805
|
516 OCTAVE_LOCAL_BUFFER (char, btmp, len+1); |
|
|
517 if (! is.read (X_CAST (char *, btmp), len)) |
|
|
518 return false; |
|
|
519 if (len > max_len) |
|
|
520 { |
|
|
521 max_len = len; |
|
|
522 chm.resize (elements, max_len, 0); |
|
|
523 } |
|
|
524 btmp [len] = '\0'; |
|
|
525 chm.insert (btmp, i, 0); |
|
4687
|
526 } |
|
4805
|
527 matrix = chm; |
|
4687
|
528 } |
|
|
529 return true; |
|
|
530 } |
|
|
531 |
|
|
532 #if defined (HAVE_HDF5) |
|
4944
|
533 |
|
4687
|
534 bool |
|
|
535 octave_char_matrix_str::save_hdf5 (hid_t loc_id, const char *name, |
|
|
536 bool /* save_as_floats */) |
|
|
537 { |
|
4837
|
538 dim_vector dv = dims (); |
|
|
539 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
540 if (empty) |
|
4805
|
541 return (empty > 0); |
|
4687
|
542 |
|
4837
|
543 int rank = dv.length (); |
|
4805
|
544 hid_t space_hid = -1, data_hid = -1; |
|
|
545 bool retval = true; |
|
|
546 charNDArray m = char_array_value (); |
|
|
547 |
|
|
548 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
4687
|
549 |
|
4805
|
550 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
551 for (int i = 0; i < rank; i++) |
|
4837
|
552 hdims[i] = dv (rank-i-1); |
|
4805
|
553 |
|
4815
|
554 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4805
|
555 if (space_hid < 0) |
|
|
556 return false; |
|
4687
|
557 |
|
4805
|
558 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_CHAR, space_hid, |
|
|
559 H5P_DEFAULT); |
|
|
560 if (data_hid < 0) |
|
4687
|
561 { |
|
4805
|
562 H5Sclose (space_hid); |
|
4687
|
563 return false; |
|
|
564 } |
|
|
565 |
|
4837
|
566 OCTAVE_LOCAL_BUFFER (char, s, dv.numel ()); |
|
4687
|
567 |
|
4837
|
568 for (int i = 0; i < dv.numel (); ++i) |
|
4805
|
569 s[i] = m(i); |
|
4687
|
570 |
|
4805
|
571 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
572 H5P_DEFAULT, s) >= 0; |
|
4687
|
573 |
|
|
574 H5Dclose (data_hid); |
|
|
575 H5Sclose (space_hid); |
|
4837
|
576 |
|
4687
|
577 return retval; |
|
|
578 } |
|
|
579 |
|
|
580 bool |
|
|
581 octave_char_matrix_str::load_hdf5 (hid_t loc_id, const char *name, |
|
|
582 bool /* have_h5giterate_bug */) |
|
|
583 { |
|
4837
|
584 bool retval = false; |
|
|
585 |
|
4805
|
586 dim_vector dv; |
|
|
587 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
588 if (empty > 0) |
|
|
589 matrix.resize(dv); |
|
4837
|
590 if (empty) |
|
|
591 return (empty > 0); |
|
4805
|
592 |
|
4687
|
593 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
594 hid_t space_hid = H5Dget_space (data_hid); |
|
|
595 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
596 hid_t type_hid = H5Dget_type (data_hid); |
|
4805
|
597 hid_t type_class_hid = H5Tget_class (type_hid); |
|
4687
|
598 |
|
4805
|
599 if (type_class_hid == H5T_INTEGER) |
|
4687
|
600 { |
|
4805
|
601 if (rank < 1) |
|
4687
|
602 { |
|
|
603 H5Tclose (type_hid); |
|
|
604 H5Sclose (space_hid); |
|
|
605 H5Dclose (data_hid); |
|
|
606 return false; |
|
|
607 } |
|
4805
|
608 |
|
|
609 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
610 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
611 |
|
|
612 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
|
613 |
|
|
614 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
615 if (rank == 1) |
|
|
616 { |
|
|
617 dv.resize (2); |
|
|
618 dv(0) = 1; |
|
|
619 dv(1) = hdims[0]; |
|
|
620 } |
|
4687
|
621 else |
|
|
622 { |
|
4805
|
623 dv.resize (rank); |
|
4815
|
624 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4805
|
625 dv(j) = hdims[i]; |
|
|
626 } |
|
|
627 |
|
|
628 charNDArray m (dv); |
|
|
629 char *str = m.fortran_vec (); |
|
|
630 if (H5Dread (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
631 H5P_DEFAULT, str) >= 0) |
|
4805
|
632 { |
|
|
633 retval = true; |
|
|
634 matrix = m; |
|
|
635 } |
|
|
636 |
|
|
637 H5Tclose (type_hid); |
|
|
638 H5Sclose (space_hid); |
|
|
639 H5Dclose (data_hid); |
|
|
640 return true; |
|
|
641 } |
|
|
642 else |
|
|
643 { |
|
|
644 // This is cruft for backward compatiability and easy data |
|
|
645 // importation |
|
|
646 if (rank == 0) |
|
|
647 { |
|
|
648 // a single string: |
|
|
649 int slen = H5Tget_size (type_hid); |
|
|
650 if (slen < 0) |
|
4687
|
651 { |
|
|
652 H5Tclose (type_hid); |
|
|
653 H5Sclose (space_hid); |
|
|
654 H5Dclose (data_hid); |
|
|
655 return false; |
|
|
656 } |
|
4805
|
657 else |
|
|
658 { |
|
|
659 OCTAVE_LOCAL_BUFFER (char, s, slen); |
|
|
660 // create datatype for (null-terminated) string |
|
|
661 // to read into: |
|
|
662 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
663 H5Tset_size (st_id, slen); |
|
|
664 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, |
|
|
665 H5P_DEFAULT, (void *) s) < 0) |
|
|
666 { |
|
|
667 H5Tclose (st_id); |
|
|
668 H5Tclose (type_hid); |
|
|
669 H5Sclose (space_hid); |
|
|
670 H5Dclose (data_hid); |
|
|
671 return false; |
|
|
672 } |
|
4687
|
673 |
|
4805
|
674 matrix = charMatrix (s); |
|
4687
|
675 |
|
4805
|
676 H5Tclose (st_id); |
|
|
677 H5Tclose (type_hid); |
|
|
678 H5Sclose (space_hid); |
|
|
679 H5Dclose (data_hid); |
|
|
680 return true; |
|
|
681 } |
|
4687
|
682 } |
|
4805
|
683 else if (rank == 1) |
|
|
684 { |
|
|
685 // string vector |
|
|
686 hsize_t elements, maxdim; |
|
|
687 H5Sget_simple_extent_dims (space_hid, &elements, &maxdim); |
|
|
688 int slen = H5Tget_size (type_hid); |
|
|
689 if (slen < 0) |
|
|
690 { |
|
|
691 H5Tclose (type_hid); |
|
|
692 H5Sclose (space_hid); |
|
|
693 H5Dclose (data_hid); |
|
|
694 return false; |
|
|
695 } |
|
|
696 else |
|
|
697 { |
|
|
698 // hdf5 string arrays store strings of all the |
|
|
699 // same physical length (I think), which is |
|
|
700 // slightly wasteful, but oh well. |
|
|
701 |
|
|
702 OCTAVE_LOCAL_BUFFER (char, s, elements * slen); |
|
|
703 |
|
|
704 // create datatype for (null-terminated) string |
|
|
705 // to read into: |
|
|
706 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
707 H5Tset_size (st_id, slen); |
|
|
708 |
|
|
709 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, |
|
|
710 H5P_DEFAULT, (void *) s) < 0) |
|
|
711 { |
|
|
712 H5Tclose (st_id); |
|
|
713 H5Tclose (type_hid); |
|
|
714 H5Sclose (space_hid); |
|
|
715 H5Dclose (data_hid); |
|
|
716 return false; |
|
|
717 } |
|
|
718 |
|
|
719 charMatrix chm (elements, slen - 1); |
|
|
720 for (hsize_t i = 0; i < elements; ++i) |
|
|
721 { |
|
|
722 chm.insert (s + i*slen, i, 0); |
|
|
723 } |
|
|
724 |
|
|
725 matrix = chm; |
|
|
726 |
|
|
727 H5Tclose (st_id); |
|
|
728 H5Tclose (type_hid); |
|
|
729 H5Sclose (space_hid); |
|
|
730 H5Dclose (data_hid); |
|
|
731 return true; |
|
|
732 } |
|
|
733 } |
|
|
734 else |
|
4687
|
735 { |
|
|
736 H5Tclose (type_hid); |
|
|
737 H5Sclose (space_hid); |
|
|
738 H5Dclose (data_hid); |
|
|
739 return false; |
|
|
740 } |
|
|
741 } |
|
4837
|
742 |
|
|
743 return retval; |
|
4687
|
744 } |
|
4944
|
745 |
|
4687
|
746 #endif |
|
|
747 |
|
2376
|
748 /* |
|
|
749 ;;; Local Variables: *** |
|
|
750 ;;; mode: C++ *** |
|
|
751 ;;; End: *** |
|
|
752 */ |
