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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 -- S Y S T E M . C A S E _ U T I L --
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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) 1995-2018, AdaCore --
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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 pragma Compiler_Unit_Warning;
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33
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34 package body System.Case_Util is
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35
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36 --------------
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37 -- To_Lower --
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38 --------------
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39
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40 function To_Lower (A : Character) return Character is
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41 A_Val : constant Natural := Character'Pos (A);
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42
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43 begin
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44 if A in 'A' .. 'Z'
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45 or else A_Val in 16#C0# .. 16#D6#
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46 or else A_Val in 16#D8# .. 16#DE#
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47 then
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48 return Character'Val (A_Val + 16#20#);
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49 else
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50 return A;
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51 end if;
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52 end To_Lower;
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53
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54 procedure To_Lower (A : in out String) is
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55 begin
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56 for J in A'Range loop
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57 A (J) := To_Lower (A (J));
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58 end loop;
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59 end To_Lower;
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60
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61 function To_Lower (A : String) return String is
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62 Result : String := A;
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63 begin
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64 To_Lower (Result);
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65 return Result;
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66 end To_Lower;
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67
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111
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68 --------------
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69 -- To_Mixed --
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70 --------------
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71
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72 procedure To_Mixed (A : in out String) is
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73 Ucase : Boolean := True;
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74
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75 begin
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76 for J in A'Range loop
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77 if Ucase then
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78 A (J) := To_Upper (A (J));
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79 else
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80 A (J) := To_Lower (A (J));
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81 end if;
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82
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83 Ucase := A (J) = '_';
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84 end loop;
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85 end To_Mixed;
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86
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131
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87 function To_Mixed (A : String) return String is
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88 Result : String := A;
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89 begin
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90 To_Mixed (Result);
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91 return Result;
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92 end To_Mixed;
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93
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94 --------------
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95 -- To_Upper --
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96 --------------
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97
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98 function To_Upper (A : Character) return Character is
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99 A_Val : constant Natural := Character'Pos (A);
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100
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101 begin
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102 if A in 'a' .. 'z'
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103 or else A_Val in 16#E0# .. 16#F6#
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104 or else A_Val in 16#F8# .. 16#FE#
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105 then
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106 return Character'Val (A_Val - 16#20#);
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107 else
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108 return A;
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109 end if;
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110 end To_Upper;
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111
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112 procedure To_Upper (A : in out String) is
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113 begin
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114 for J in A'Range loop
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115 A (J) := To_Upper (A (J));
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116 end loop;
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117 end To_Upper;
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118
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131
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119 function To_Upper (A : String) return String is
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120 Result : String := A;
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121 begin
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122 To_Upper (Result);
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123 return Result;
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124 end To_Upper;
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125
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111
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126 end System.Case_Util;
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