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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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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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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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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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3933
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84 octave_char_matrix_str::do_index_op (const octave_value_list& idx, |
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85 int resize_ok) |
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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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100 true); |
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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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110 true); |
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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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114 default: |
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4513
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115 { |
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116 Array<idx_vector> idx_vec (len); |
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117 |
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5275
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118 for (octave_idx_type i = 0; i < len; i++) |
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4513
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119 idx_vec(i) = idx(i).index_vector (); |
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120 |
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5086
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121 if (! error_state) |
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122 retval = octave_value (charNDArray (matrix.index (idx_vec, resize_ok)), |
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123 true); |
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4513
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124 } |
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2407
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125 break; |
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126 } |
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127 |
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128 return retval; |
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129 } |
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130 |
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131 void |
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132 octave_char_matrix_str::assign (const octave_value_list& idx, |
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133 const charMatrix& rhs) |
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134 { |
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5275
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135 octave_idx_type len = idx.length (); |
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2407
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136 |
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2571
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137 // XXX FIXME XXX |
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138 charMatrix tmp = rhs; |
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139 if (tmp.rows () == 1 && tmp.columns () == 0) |
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140 tmp.resize (0, 0); |
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141 |
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5275
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142 for (octave_idx_type i = 0; i < len; i++) |
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4513
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143 matrix.set_index (idx(i).index_vector ()); |
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144 |
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4513
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145 ::assign (matrix, tmp, Vstring_fill_char); |
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2407
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146 } |
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147 |
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2376
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148 bool |
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149 octave_char_matrix_str::valid_as_scalar_index (void) const |
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150 { |
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151 bool retval = false; |
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152 error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented"); |
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153 return retval; |
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154 } |
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155 |
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4668
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156 #define CHAR_MATRIX_CONV(T, INIT, TNAME, FCN) \ |
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157 T retval INIT; \ |
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158 \ |
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159 if (! force_string_conv) \ |
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160 gripe_invalid_conversion ("string", TNAME); \ |
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161 else \ |
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162 { \ |
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163 if (Vwarn_str_to_num) \ |
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164 gripe_implicit_conversion ("string", TNAME); \ |
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165 \ |
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166 retval = octave_char_matrix::FCN (); \ |
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167 } \ |
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168 \ |
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169 return retval |
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170 |
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4643
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171 double |
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172 octave_char_matrix_str::double_value (bool force_string_conv) const |
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173 { |
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4668
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174 CHAR_MATRIX_CONV (double, = 0, "real scalar", double_value); |
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175 } |
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176 |
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4668
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177 Complex |
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178 octave_char_matrix_str::complex_value (bool force_string_conv) const |
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179 { |
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180 CHAR_MATRIX_CONV (Complex, = 0, "complex scalar", complex_value); |
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4643
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181 } |
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182 |
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183 Matrix |
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184 octave_char_matrix_str::matrix_value (bool force_string_conv) const |
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185 { |
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4668
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186 CHAR_MATRIX_CONV (Matrix, , "real matrix", matrix_value); |
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187 } |
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188 |
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189 ComplexMatrix |
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190 octave_char_matrix_str::complex_matrix_value (bool force_string_conv) const |
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191 { |
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192 CHAR_MATRIX_CONV (ComplexMatrix, , "complex matrix", complex_matrix_value); |
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193 } |
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194 |
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4668
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195 NDArray |
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196 octave_char_matrix_str::array_value (bool force_string_conv) const |
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197 { |
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198 CHAR_MATRIX_CONV (NDArray, , "real N-d array", array_value); |
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199 } |
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200 |
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4668
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201 ComplexNDArray |
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202 octave_char_matrix_str::complex_array_value (bool force_string_conv) const |
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203 { |
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204 CHAR_MATRIX_CONV (ComplexNDArray, , "complex N-d array", |
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205 complex_array_value); |
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206 } |
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207 |
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2493
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208 string_vector |
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4457
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209 octave_char_matrix_str::all_strings (bool, bool) const |
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210 { |
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4513
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211 string_vector retval; |
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212 |
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213 if (matrix.ndims () == 2) |
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214 { |
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215 charMatrix chm = matrix.matrix_value (); |
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216 |
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217 octave_idx_type n = chm.rows (); |
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2493
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218 |
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4513
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219 retval.resize (n); |
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220 |
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221 for (octave_idx_type i = 0; i < n; i++) |
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222 retval[i] = chm.row_as_string (i, true); |
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223 } |
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224 else |
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225 error ("invalid conversion of charNDArray to string_vector"); |
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2493
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226 |
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227 return retval; |
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228 } |
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229 |
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3536
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230 std::string |
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4457
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231 octave_char_matrix_str::string_value (bool) const |
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2376
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232 { |
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4513
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233 std::string retval; |
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234 |
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235 if (matrix.ndims () == 2) |
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236 { |
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237 charMatrix chm = matrix.matrix_value (); |
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238 |
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239 retval = chm.row_as_string (0); // XXX FIXME??? XXX |
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240 } |
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241 else |
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242 error ("invalid conversion of charNDArray to string"); |
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243 |
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244 return retval; |
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245 } |
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246 |
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247 void |
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3523
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248 octave_char_matrix_str::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
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2376
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249 { |
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3219
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250 octave_print_internal (os, matrix, pr_as_read_syntax, |
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251 current_print_indent_level (), true); |
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2376
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252 } |
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253 |
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4687
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254 bool |
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255 octave_char_matrix_str::save_ascii (std::ostream& os, |
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256 bool& /* infnan_warned */, |
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257 bool /* strip_nan_and_inf */) |
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258 { |
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4805
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259 dim_vector d = dims (); |
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260 if (d.length () > 2) |
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261 { |
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262 charNDArray tmp = char_array_value (); |
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263 os << "# ndims: " << d.length () << "\n"; |
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264 for (int i=0; i < d.length (); i++) |
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265 os << " " << d (i); |
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266 os << "\n"; |
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267 os.write (X_CAST (char *, tmp.fortran_vec ()), d.numel ()); |
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268 os << "\n"; |
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269 } |
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270 else |
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4687
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271 { |
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4805
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272 // Keep this case, rather than use generic code above for |
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273 // backward compatiability. Makes load_ascii much more complex!! |
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274 charMatrix chm = char_matrix_value (); |
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5275
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275 octave_idx_type elements = chm.rows (); |
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4805
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276 os << "# elements: " << elements << "\n"; |
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5275
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277 for (octave_idx_type i = 0; i < elements; i++) |
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4805
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278 { |
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279 unsigned len = chm.cols (); |
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280 os << "# length: " << len << "\n"; |
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281 std::string tstr = chm.row_as_string (i, false, true); |
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282 const char *tmp = tstr.data (); |
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283 if (tstr.length () > len) |
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284 panic_impossible (); |
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285 os.write (X_CAST (char *, tmp), len); |
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286 os << "\n"; |
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287 } |
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4687
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288 } |
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289 |
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290 return true; |
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291 } |
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292 |
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293 bool |
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294 octave_char_matrix_str::load_ascii (std::istream& is) |
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295 { |
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296 bool success = true; |
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5099
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297 |
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298 string_vector keywords(3); |
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299 |
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300 keywords[0] = "ndims"; |
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301 keywords[1] = "elements"; |
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302 keywords[2] = "length"; |
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303 |
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304 std::string kw; |
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305 int val = 0; |
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4687
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306 |
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5099
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307 if (extract_keyword (is, keywords, kw, val, true)) |
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4687
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308 { |
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5099
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309 if (kw == "ndims") |
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4687
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310 { |
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5099
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311 int mdims = val; |
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312 |
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313 if (mdims >= 0) |
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314 { |
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315 dim_vector dv; |
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316 dv.resize (mdims); |
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4805
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317 |
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5099
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318 for (int i = 0; i < mdims; i++) |
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319 is >> dv(i); |
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4687
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320 |
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5099
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321 charNDArray tmp(dv); |
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322 char *ftmp = tmp.fortran_vec (); |
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323 |
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324 // Skip the return line |
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325 if (! is.read (ftmp, 1)) |
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326 return false; |
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4805
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327 |
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5099
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328 if (! is.read (ftmp, dv.numel ()) || !is) |
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329 { |
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330 error ("load: failed to load string constant"); |
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331 success = false; |
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332 } |
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333 else |
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334 matrix = tmp; |
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335 } |
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336 else |
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4687
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337 { |
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5099
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338 error ("load: failed to extract matrix size"); |
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4805
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339 success = false; |
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4687
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340 } |
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341 } |
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5099
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342 else if (kw == "elements") |
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4687
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343 { |
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5099
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344 int elements = val; |
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4805
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345 |
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346 if (elements >= 0) |
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347 { |
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348 // XXX FIXME XXX -- need to be able to get max length |
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349 // before doing anything. |
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350 |
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4805
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351 charMatrix chm (elements, 0); |
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352 int max_len = 0; |
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353 for (int i = 0; i < elements; i++) |
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354 { |
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355 int len; |
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356 if (extract_keyword (is, "length", len) && len >= 0) |
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357 { |
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358 OCTAVE_LOCAL_BUFFER (char, tmp, len+1); |
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359 |
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360 if (len > 0 && ! |
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361 is.read (X_CAST (char *, tmp), len)) |
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362 { |
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363 error ("load: failed to load string constant"); |
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364 success = false; |
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365 break; |
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366 } |
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367 else |
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368 { |
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369 tmp [len] = '\0'; |
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370 if (len > max_len) |
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371 { |
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372 max_len = len; |
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373 chm.resize (elements, max_len, 0); |
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374 } |
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375 chm.insert (tmp, i, 0); |
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376 } |
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377 } |
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378 else |
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379 { |
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380 error ("load: failed to extract string length for element %d", |
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381 i+1); |
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382 success = false; |
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383 } |
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384 } |
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385 |
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386 if (! error_state) |
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387 matrix = chm; |
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4687
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388 } |
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389 else |
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390 { |
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4805
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391 error ("load: failed to extract number of string elements"); |
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392 success = false; |
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393 } |
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394 } |
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5099
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395 else if (kw == "length") |
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4805
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396 { |
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5099
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397 int len = val; |
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4805
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398 |
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5099
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399 if (len >= 0) |
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4805
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400 { |
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401 // This is cruft for backward compatiability, |
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402 // but relatively harmless. |
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403 |
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404 OCTAVE_LOCAL_BUFFER (char, tmp, len+1); |
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405 |
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406 if (len > 0 && ! is.read (X_CAST (char *, tmp), len)) |
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407 { |
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408 error ("load: failed to load string constant"); |
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409 } |
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4687
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410 else |
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4805
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411 { |
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412 tmp [len] = '\0'; |
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413 |
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414 if (is) |
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415 matrix = charMatrix (tmp); |
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416 else |
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417 error ("load: failed to load string constant"); |
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418 } |
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4687
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419 } |
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420 } |
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5099
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421 else |
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422 panic_impossible (); |
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423 } |
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424 else |
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425 { |
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426 error ("load: failed to extract number of rows and columns"); |
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427 success = false; |
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4687
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428 } |
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429 |
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430 return success; |
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431 } |
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432 |
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433 bool |
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434 octave_char_matrix_str::save_binary (std::ostream& os, |
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435 bool& /* save_as_floats */) |
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436 { |
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4805
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437 dim_vector d = dims (); |
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438 if (d.length() < 1) |
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439 return false; |
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440 |
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441 // Use negative value for ndims to differentiate with old format!! |
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|
442 FOUR_BYTE_INT tmp = - d.length(); |
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443 os.write (X_CAST (char *, &tmp), 4); |
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444 for (int i=0; i < d.length (); i++) |
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4687
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445 { |
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4805
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446 tmp = d(i); |
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447 os.write (X_CAST (char *, &tmp), 4); |
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4687
|
448 } |
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4805
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449 |
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450 charNDArray m = char_array_value (); |
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451 os.write (m.fortran_vec (), d.numel ()); |
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4687
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452 return true; |
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453 } |
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454 |
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455 bool |
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|
456 octave_char_matrix_str::load_binary (std::istream& is, bool swap, |
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|
457 oct_mach_info::float_format /* fmt */) |
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|
458 { |
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|
459 FOUR_BYTE_INT elements; |
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|
460 if (! is.read (X_CAST (char *, &elements), 4)) |
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|
461 return false; |
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|
462 if (swap) |
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4944
|
463 swap_bytes<4> (&elements); |
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4805
|
464 |
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465 if (elements < 0) |
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4687
|
466 { |
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4805
|
467 FOUR_BYTE_INT mdims = - elements; |
|
|
468 FOUR_BYTE_INT di; |
|
|
469 dim_vector dv; |
|
|
470 dv.resize (mdims); |
|
|
471 |
|
|
472 for (int i = 0; i < mdims; i++) |
|
|
473 { |
|
|
474 if (! is.read (X_CAST (char *, &di), 4)) |
|
|
475 return false; |
|
|
476 if (swap) |
|
4944
|
477 swap_bytes<4> (&di); |
|
4805
|
478 dv(i) = di; |
|
|
479 } |
|
|
480 |
|
5157
|
481 // Convert an array with a single dimension to be a row vector. |
|
|
482 // Octave should never write files like this, other software |
|
|
483 // might. |
|
|
484 |
|
|
485 if (mdims == 1) |
|
|
486 { |
|
|
487 mdims = 2; |
|
|
488 dv.resize (mdims); |
|
|
489 dv(1) = dv(0); |
|
|
490 dv(0) = 1; |
|
|
491 } |
|
|
492 |
|
4805
|
493 charNDArray m(dv); |
|
|
494 char *tmp = m.fortran_vec (); |
|
|
495 is.read (tmp, dv.numel ()); |
|
|
496 |
|
|
497 if (error_state || ! is) |
|
4687
|
498 return false; |
|
4805
|
499 matrix = m; |
|
|
500 } |
|
|
501 else |
|
|
502 { |
|
|
503 charMatrix chm (elements, 0); |
|
|
504 int max_len = 0; |
|
|
505 for (int i = 0; i < elements; i++) |
|
4687
|
506 { |
|
4805
|
507 FOUR_BYTE_INT len; |
|
|
508 if (! is.read (X_CAST (char *, &len), 4)) |
|
|
509 return false; |
|
|
510 if (swap) |
|
4944
|
511 swap_bytes<4> (&len); |
|
4805
|
512 OCTAVE_LOCAL_BUFFER (char, btmp, len+1); |
|
|
513 if (! is.read (X_CAST (char *, btmp), len)) |
|
|
514 return false; |
|
|
515 if (len > max_len) |
|
|
516 { |
|
|
517 max_len = len; |
|
|
518 chm.resize (elements, max_len, 0); |
|
|
519 } |
|
|
520 btmp [len] = '\0'; |
|
|
521 chm.insert (btmp, i, 0); |
|
4687
|
522 } |
|
4805
|
523 matrix = chm; |
|
4687
|
524 } |
|
|
525 return true; |
|
|
526 } |
|
|
527 |
|
|
528 #if defined (HAVE_HDF5) |
|
4944
|
529 |
|
4687
|
530 bool |
|
|
531 octave_char_matrix_str::save_hdf5 (hid_t loc_id, const char *name, |
|
|
532 bool /* save_as_floats */) |
|
|
533 { |
|
4837
|
534 dim_vector dv = dims (); |
|
|
535 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
536 if (empty) |
|
4805
|
537 return (empty > 0); |
|
4687
|
538 |
|
4837
|
539 int rank = dv.length (); |
|
4805
|
540 hid_t space_hid = -1, data_hid = -1; |
|
|
541 bool retval = true; |
|
|
542 charNDArray m = char_array_value (); |
|
|
543 |
|
|
544 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
4687
|
545 |
|
4805
|
546 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
547 for (int i = 0; i < rank; i++) |
|
4837
|
548 hdims[i] = dv (rank-i-1); |
|
4805
|
549 |
|
4815
|
550 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4805
|
551 if (space_hid < 0) |
|
|
552 return false; |
|
4687
|
553 |
|
4805
|
554 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_CHAR, space_hid, |
|
|
555 H5P_DEFAULT); |
|
|
556 if (data_hid < 0) |
|
4687
|
557 { |
|
4805
|
558 H5Sclose (space_hid); |
|
4687
|
559 return false; |
|
|
560 } |
|
|
561 |
|
4837
|
562 OCTAVE_LOCAL_BUFFER (char, s, dv.numel ()); |
|
4687
|
563 |
|
4837
|
564 for (int i = 0; i < dv.numel (); ++i) |
|
4805
|
565 s[i] = m(i); |
|
4687
|
566 |
|
4805
|
567 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
568 H5P_DEFAULT, s) >= 0; |
|
4687
|
569 |
|
|
570 H5Dclose (data_hid); |
|
|
571 H5Sclose (space_hid); |
|
4837
|
572 |
|
4687
|
573 return retval; |
|
|
574 } |
|
|
575 |
|
|
576 bool |
|
|
577 octave_char_matrix_str::load_hdf5 (hid_t loc_id, const char *name, |
|
|
578 bool /* have_h5giterate_bug */) |
|
|
579 { |
|
4837
|
580 bool retval = false; |
|
|
581 |
|
4805
|
582 dim_vector dv; |
|
|
583 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
584 if (empty > 0) |
|
|
585 matrix.resize(dv); |
|
4837
|
586 if (empty) |
|
|
587 return (empty > 0); |
|
4805
|
588 |
|
4687
|
589 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
590 hid_t space_hid = H5Dget_space (data_hid); |
|
|
591 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
592 hid_t type_hid = H5Dget_type (data_hid); |
|
4805
|
593 hid_t type_class_hid = H5Tget_class (type_hid); |
|
4687
|
594 |
|
4805
|
595 if (type_class_hid == H5T_INTEGER) |
|
4687
|
596 { |
|
4805
|
597 if (rank < 1) |
|
4687
|
598 { |
|
|
599 H5Tclose (type_hid); |
|
|
600 H5Sclose (space_hid); |
|
|
601 H5Dclose (data_hid); |
|
|
602 return false; |
|
|
603 } |
|
4805
|
604 |
|
|
605 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
606 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
607 |
|
|
608 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
|
609 |
|
|
610 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
611 if (rank == 1) |
|
|
612 { |
|
|
613 dv.resize (2); |
|
|
614 dv(0) = 1; |
|
|
615 dv(1) = hdims[0]; |
|
|
616 } |
|
4687
|
617 else |
|
|
618 { |
|
4805
|
619 dv.resize (rank); |
|
4815
|
620 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4805
|
621 dv(j) = hdims[i]; |
|
|
622 } |
|
|
623 |
|
|
624 charNDArray m (dv); |
|
|
625 char *str = m.fortran_vec (); |
|
|
626 if (H5Dread (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
|
4815
|
627 H5P_DEFAULT, str) >= 0) |
|
4805
|
628 { |
|
|
629 retval = true; |
|
|
630 matrix = m; |
|
|
631 } |
|
|
632 |
|
|
633 H5Tclose (type_hid); |
|
|
634 H5Sclose (space_hid); |
|
|
635 H5Dclose (data_hid); |
|
|
636 return true; |
|
|
637 } |
|
|
638 else |
|
|
639 { |
|
|
640 // This is cruft for backward compatiability and easy data |
|
|
641 // importation |
|
|
642 if (rank == 0) |
|
|
643 { |
|
|
644 // a single string: |
|
|
645 int slen = H5Tget_size (type_hid); |
|
|
646 if (slen < 0) |
|
4687
|
647 { |
|
|
648 H5Tclose (type_hid); |
|
|
649 H5Sclose (space_hid); |
|
|
650 H5Dclose (data_hid); |
|
|
651 return false; |
|
|
652 } |
|
4805
|
653 else |
|
|
654 { |
|
|
655 OCTAVE_LOCAL_BUFFER (char, s, slen); |
|
|
656 // create datatype for (null-terminated) string |
|
|
657 // to read into: |
|
|
658 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
659 H5Tset_size (st_id, slen); |
|
|
660 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, |
|
|
661 H5P_DEFAULT, (void *) s) < 0) |
|
|
662 { |
|
|
663 H5Tclose (st_id); |
|
|
664 H5Tclose (type_hid); |
|
|
665 H5Sclose (space_hid); |
|
|
666 H5Dclose (data_hid); |
|
|
667 return false; |
|
|
668 } |
|
4687
|
669 |
|
4805
|
670 matrix = charMatrix (s); |
|
4687
|
671 |
|
4805
|
672 H5Tclose (st_id); |
|
|
673 H5Tclose (type_hid); |
|
|
674 H5Sclose (space_hid); |
|
|
675 H5Dclose (data_hid); |
|
|
676 return true; |
|
|
677 } |
|
4687
|
678 } |
|
4805
|
679 else if (rank == 1) |
|
|
680 { |
|
|
681 // string vector |
|
|
682 hsize_t elements, maxdim; |
|
|
683 H5Sget_simple_extent_dims (space_hid, &elements, &maxdim); |
|
|
684 int slen = H5Tget_size (type_hid); |
|
|
685 if (slen < 0) |
|
|
686 { |
|
|
687 H5Tclose (type_hid); |
|
|
688 H5Sclose (space_hid); |
|
|
689 H5Dclose (data_hid); |
|
|
690 return false; |
|
|
691 } |
|
|
692 else |
|
|
693 { |
|
|
694 // hdf5 string arrays store strings of all the |
|
|
695 // same physical length (I think), which is |
|
|
696 // slightly wasteful, but oh well. |
|
|
697 |
|
|
698 OCTAVE_LOCAL_BUFFER (char, s, elements * slen); |
|
|
699 |
|
|
700 // create datatype for (null-terminated) string |
|
|
701 // to read into: |
|
|
702 hid_t st_id = H5Tcopy (H5T_C_S1); |
|
|
703 H5Tset_size (st_id, slen); |
|
|
704 |
|
|
705 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, |
|
|
706 H5P_DEFAULT, (void *) s) < 0) |
|
|
707 { |
|
|
708 H5Tclose (st_id); |
|
|
709 H5Tclose (type_hid); |
|
|
710 H5Sclose (space_hid); |
|
|
711 H5Dclose (data_hid); |
|
|
712 return false; |
|
|
713 } |
|
|
714 |
|
|
715 charMatrix chm (elements, slen - 1); |
|
|
716 for (hsize_t i = 0; i < elements; ++i) |
|
|
717 { |
|
|
718 chm.insert (s + i*slen, i, 0); |
|
|
719 } |
|
|
720 |
|
|
721 matrix = chm; |
|
|
722 |
|
|
723 H5Tclose (st_id); |
|
|
724 H5Tclose (type_hid); |
|
|
725 H5Sclose (space_hid); |
|
|
726 H5Dclose (data_hid); |
|
|
727 return true; |
|
|
728 } |
|
|
729 } |
|
|
730 else |
|
4687
|
731 { |
|
|
732 H5Tclose (type_hid); |
|
|
733 H5Sclose (space_hid); |
|
|
734 H5Dclose (data_hid); |
|
|
735 return false; |
|
|
736 } |
|
|
737 } |
|
4837
|
738 |
|
|
739 return retval; |
|
4687
|
740 } |
|
4944
|
741 |
|
4687
|
742 #endif |
|
|
743 |
|
2376
|
744 /* |
|
|
745 ;;; Local Variables: *** |
|
|
746 ;;; mode: C++ *** |
|
|
747 ;;; End: *** |
|
|
748 */ |
