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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- A D A . W I D E _ T E X T _ I O . W I D E _ B O U N D E D _ I O --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1997-2018, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 with Ada.Wide_Text_IO; use Ada.Wide_Text_IO;
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33 with Ada.Unchecked_Deallocation;
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34
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35 package body Ada.Wide_Text_IO.Wide_Bounded_IO is
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36
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37 type Wide_String_Access is access all Wide_String;
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38
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39 procedure Free (WSA : in out Wide_String_Access);
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40 -- Perform an unchecked deallocation of a non-null string
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41
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42 ----------
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43 -- Free --
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44 ----------
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45
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46 procedure Free (WSA : in out Wide_String_Access) is
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47 Null_Wide_String : constant Wide_String := "";
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48
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49 procedure Deallocate is
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50 new Ada.Unchecked_Deallocation (Wide_String, Wide_String_Access);
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51
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52 begin
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53 -- Do not try to free statically allocated null string
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54
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55 if WSA.all /= Null_Wide_String then
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56 Deallocate (WSA);
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57 end if;
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58 end Free;
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59
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60 --------------
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61 -- Get_Line --
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62 --------------
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63
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64 function Get_Line return Wide_Bounded.Bounded_Wide_String is
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65 begin
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66 return Wide_Bounded.To_Bounded_Wide_String (Get_Line);
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67 end Get_Line;
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68
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69 --------------
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70 -- Get_Line --
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71 --------------
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72
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73 function Get_Line
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74 (File : File_Type) return Wide_Bounded.Bounded_Wide_String
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75 is
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76 begin
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77 return Wide_Bounded.To_Bounded_Wide_String (Get_Line (File));
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78 end Get_Line;
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79
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80 --------------
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81 -- Get_Line --
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82 --------------
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83
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84 procedure Get_Line
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85 (Item : out Wide_Bounded.Bounded_Wide_String)
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86 is
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87 Buffer : Wide_String (1 .. 1000);
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88 Last : Natural;
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89 Str1 : Wide_String_Access;
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90 Str2 : Wide_String_Access;
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91
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92 begin
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93 Get_Line (Buffer, Last);
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94 Str1 := new Wide_String'(Buffer (1 .. Last));
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95
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96 while Last = Buffer'Last loop
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97 Get_Line (Buffer, Last);
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98 Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));
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99 Free (Str1);
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100 Str1 := Str2;
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101 end loop;
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102
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103 Item := Wide_Bounded.To_Bounded_Wide_String (Str1.all);
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104 end Get_Line;
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105
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106 --------------
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107 -- Get_Line --
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108 --------------
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109
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110 procedure Get_Line
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111 (File : File_Type;
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112 Item : out Wide_Bounded.Bounded_Wide_String)
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113 is
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114 Buffer : Wide_String (1 .. 1000);
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115 Last : Natural;
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116 Str1 : Wide_String_Access;
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117 Str2 : Wide_String_Access;
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118
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119 begin
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120 Get_Line (File, Buffer, Last);
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121 Str1 := new Wide_String'(Buffer (1 .. Last));
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122
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123 while Last = Buffer'Last loop
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124 Get_Line (File, Buffer, Last);
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125 Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));
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126 Free (Str1);
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127 Str1 := Str2;
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128 end loop;
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129
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130 Item := Wide_Bounded.To_Bounded_Wide_String (Str1.all);
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131 end Get_Line;
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132
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133 ---------
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134 -- Put --
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135 ---------
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136
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137 procedure Put
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138 (Item : Wide_Bounded.Bounded_Wide_String)
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139 is
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140 begin
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141 Put (Wide_Bounded.To_Wide_String (Item));
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142 end Put;
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143
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144 ---------
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145 -- Put --
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146 ---------
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147
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148 procedure Put
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149 (File : File_Type;
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150 Item : Wide_Bounded.Bounded_Wide_String)
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151 is
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152 begin
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153 Put (File, Wide_Bounded.To_Wide_String (Item));
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154 end Put;
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155
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156 --------------
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157 -- Put_Line --
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158 --------------
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159
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160 procedure Put_Line
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161 (Item : Wide_Bounded.Bounded_Wide_String)
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162 is
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163 begin
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164 Put_Line (Wide_Bounded.To_Wide_String (Item));
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165 end Put_Line;
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166
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167 --------------
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168 -- Put_Line --
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169 --------------
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170
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171 procedure Put_Line
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172 (File : File_Type;
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173 Item : Wide_Bounded.Bounded_Wide_String)
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174 is
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175 begin
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176 Put_Line (File, Wide_Bounded.To_Wide_String (Item));
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177 end Put_Line;
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178
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179 end Ada.Wide_Text_IO.Wide_Bounded_IO;
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