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1 /* |
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2 |
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3 Copyright (C) 2003 John W. Eaton |
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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_streamoff_h) |
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24 #define octave_streamoff_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <iostream> |
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31 #include <string> |
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32 |
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33 #include "mx-base.h" |
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34 #include "mx-op-defs.h" |
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35 #include "oct-alloc.h" |
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36 #include "str-vec.h" |
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37 |
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38 #include "error.h" |
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39 #include "oct-obj.h" |
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40 #include "ov-base-mat.h" |
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41 #include "ov-typeinfo.h" |
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42 |
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43 class tree_walker; |
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44 |
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45 // Stream offsets. |
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46 |
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47 class streamoff_array : public ArrayN<std::streamoff> |
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48 { |
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49 public: |
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50 |
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51 streamoff_array (void) : ArrayN<std::streamoff> () { } |
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52 |
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53 streamoff_array (const dim_vector& dv, |
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54 const std::streamoff& val = resize_fill_value ()) |
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55 : ArrayN<std::streamoff> (dv, val) { } |
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56 |
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57 streamoff_array (const ArrayN<std::streamoff>& sa) |
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58 : ArrayN<std::streamoff> (sa) { } |
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59 |
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60 streamoff_array (const streamoff_array& sa) |
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61 : ArrayN<std::streamoff> (sa) { } |
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62 |
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63 ~streamoff_array (void) { } |
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64 |
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65 streamoff_array& operator = (const streamoff_array& a) |
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66 { |
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67 if (this != &a) |
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68 ArrayN<std::streamoff>::operator = (a); |
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69 |
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70 return *this; |
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71 } |
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72 |
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73 streamoff_array squeeze (void) const |
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74 { return ArrayN<std::streamoff>::squeeze (); } |
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75 |
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76 boolNDArray all (int dim = -1) const; |
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77 boolNDArray any (int dim = -1) const; |
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78 |
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79 // streamoff_array& operator += (const streamoff_array& a); |
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80 // streamoff_array& operator -= (const streamoff_array& a); |
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81 |
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82 static int compute_index (Array<int>& ra_idx, |
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83 const dim_vector& dimensions); |
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84 |
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85 static std::streamoff resize_fill_value (void) { return 0; } |
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86 }; |
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87 |
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88 NDCMP_OP_DECL (mx_el_eq, std::streamoff, streamoff_array); |
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89 NDCMP_OP_DECL (mx_el_ne, std::streamoff, streamoff_array); |
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90 |
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91 NDCMP_OP_DECL (mx_el_eq, streamoff_array, std::streamoff); |
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92 NDCMP_OP_DECL (mx_el_ne, streamoff_array, std::streamoff); |
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93 |
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94 NDCMP_OP_DECL (mx_el_eq, streamoff_array, streamoff_array); |
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95 NDCMP_OP_DECL (mx_el_ne, streamoff_array, streamoff_array); |
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96 |
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97 BIN_OP_DECL (streamoff_array, operator +, streamoff_array, streamoff_array); |
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98 BIN_OP_DECL (streamoff_array, operator -, streamoff_array, streamoff_array); |
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99 |
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100 BIN_OP_DECL (streamoff_array, operator +, streamoff_array, std::streamoff); |
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101 BIN_OP_DECL (streamoff_array, operator -, streamoff_array, std::streamoff); |
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102 |
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103 BIN_OP_DECL (streamoff_array, operator +, std::streamoff, streamoff_array); |
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104 BIN_OP_DECL (streamoff_array, operator -, std::streamoff, streamoff_array); |
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105 |
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106 class |
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107 octave_streamoff : public octave_base_matrix<streamoff_array> |
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108 { |
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109 public: |
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110 |
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111 octave_streamoff (void) |
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112 : octave_base_matrix<streamoff_array> () { } |
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113 |
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114 octave_streamoff (const std::streamoff& off) |
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115 : octave_base_matrix<streamoff_array> |
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116 (streamoff_array (dim_vector (1, 1), off)) { } |
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117 |
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118 octave_streamoff (const streamoff_array& off) |
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119 : octave_base_matrix<streamoff_array> (off) { } |
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120 |
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121 octave_streamoff (const octave_streamoff& off) |
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122 : octave_base_matrix<streamoff_array> (off) { } |
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123 |
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124 ~octave_streamoff (void) { } |
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125 |
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126 octave_value *clone (void) const { return new octave_streamoff (*this); } |
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127 octave_value *empty_clone (void) const { return new octave_streamoff (); } |
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128 |
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129 bool is_defined (void) const { return true; } |
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130 |
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131 bool is_streamoff (void) const { return true; } |
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132 |
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133 std::streamoff streamoff_value (void) const; |
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134 |
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135 streamoff_array streamoff_array_value (void) const { return matrix; } |
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136 |
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137 // void increment (void) { matrix += 1; } |
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138 |
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139 // void decrement (void) { matrix -= 1; } |
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140 |
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141 bool print_as_scalar (void) const { return true; } |
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142 |
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143 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
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144 |
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145 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
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146 |
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147 private: |
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148 |
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149 DECLARE_OCTAVE_ALLOCATOR |
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150 |
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151 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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152 }; |
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153 |
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154 #endif |
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155 |
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156 /* |
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157 ;;; Local Variables: *** |
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158 ;;; mode: C++ *** |
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159 ;;; End: *** |
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160 */ |
