gcc/ada/a-wichha.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --         A D A . W I D E _ C H A R A C T E R S . H A N D L I N G          --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 -- This specification is derived from the Ada Reference Manual for use with --
  10 -- GNAT.  In accordance with the copyright of that document, you can freely --
  11 -- copy and modify this specification,  provided that if you redistribute a --
  12 -- modified version,  any changes that you have made are clearly indicated. --
  13 --                                                                          --
  14 ------------------------------------------------------------------------------
  15
  16 package Ada.Wide_Characters.Handling is
  17    pragma Pure;
  18
  19    function Character_Set_Version return String;
  20    pragma Inline (Character_Set_Version);
  21    --  Returns an implementation-defined identifier that identifies the version
  22    --  of the character set standard that is used for categorizing characters
  23    --  by the implementation. For GNAT this is "Unicode v.v".
  24
  25    function Is_Control (Item : Wide_Character) return Boolean;
  26    pragma Inline (Is_Control);
  27    --  Returns True if the Wide_Character designated by Item is categorized as
  28    --  other_control, otherwise returns false.
  29
  30    function Is_Letter (Item : Wide_Character) return Boolean;
  31    pragma Inline (Is_Letter);
  32    --  Returns True if the Wide_Character designated by Item is categorized as
  33    --  letter_uppercase, letter_lowercase, letter_titlecase, letter_modifier,
  34    --  letter_other, or number_letter. Otherwise returns false.
  35
  36    function Is_Lower (Item : Wide_Character) return Boolean;
  37    pragma Inline (Is_Lower);
  38    --  Returns True if the Wide_Character designated by Item is categorized as
  39    --  letter_lowercase, otherwise returns false.
  40
  41    function Is_Upper (Item : Wide_Character) return Boolean;
  42    pragma Inline (Is_Upper);
  43    --  Returns True if the Wide_Character designated by Item is categorized as
  44    --  letter_uppercase, otherwise returns false.
  45
  46    function Is_Digit (Item : Wide_Character) return Boolean;
  47    pragma Inline (Is_Digit);
  48    --  Returns True if the Wide_Character designated by Item is categorized as
  49    --  number_decimal, otherwise returns false.
  50
  51    function Is_Decimal_Digit (Item : Wide_Character) return Boolean
  52      renames Is_Digit;
  53
  54    function Is_Hexadecimal_Digit (Item : Wide_Character) return Boolean;
  55    --  Returns True if the Wide_Character designated by Item is categorized as
  56    --  number_decimal, or is in the range 'A' .. 'F' or 'a' .. 'f', otherwise
  57    --  returns false.
  58
  59    function Is_Alphanumeric (Item : Wide_Character) return Boolean;
  60    pragma Inline (Is_Alphanumeric);
  61    --  Returns True if the Wide_Character designated by Item is categorized as
  62    --  number_decimal, or is in the range 'A' .. 'F' or 'a' .. 'f', otherwise
  63    --  returns false.
  64
  65    function Is_Special (Item : Wide_Character) return Boolean;
  66    pragma Inline (Is_Special);
  67    --  Returns True if the Wide_Character designated by Item is categorized
  68    --  as graphic_character, but not categorized as letter_uppercase,
  69    --  letter_lowercase, letter_titlecase, letter_modifier, letter_other,
  70    --  number_letter, or number_decimal. Otherwise returns false.
  71
  72    function Is_Line_Terminator (Item : Wide_Character) return Boolean;
  73    pragma Inline (Is_Line_Terminator);
  74    --  Returns True if the Wide_Character designated by Item is categorized as
  75    --  separator_line or separator_paragraph, or if Item is a conventional line
  76    --  terminator character (CR, LF, VT, or FF). Otherwise returns false.
  77
  78    function Is_Mark (Item : Wide_Character) return Boolean;
  79    pragma Inline (Is_Mark);
  80    --  Returns True if the Wide_Character designated by Item is categorized as
  81    --  mark_non_spacing or mark_spacing_combining, otherwise returns false.
  82
  83    function Is_Other_Format (Item : Wide_Character) return Boolean;
  84    pragma Inline (Is_Other_Format);
  85    --  Returns True if the Wide_Character designated by Item is categorized as
  86    --  other_format, otherwise returns false.
  87
  88    function Is_Punctuation_Connector (Item : Wide_Character) return Boolean;
  89    pragma Inline (Is_Punctuation_Connector);
  90    --  Returns True if the Wide_Character designated by Item is categorized as
  91    --  punctuation_connector, otherwise returns false.
  92
  93    function Is_Space (Item : Wide_Character) return Boolean;
  94    pragma Inline (Is_Space);
  95    --  Returns True if the Wide_Character designated by Item is categorized as
  96    --  separator_space, otherwise returns false.
  97
  98    function Is_Graphic (Item : Wide_Character) return Boolean;
  99    pragma Inline (Is_Graphic);
 100    --  Returns True if the Wide_Character designated by Item is categorized as
 101    --  graphic_character, otherwise returns false.
 102
 103    function To_Lower (Item : Wide_Character) return Wide_Character;
 104    pragma Inline (To_Lower);
 105    --  Returns the Simple Lowercase Mapping of the Wide_Character designated by
 106    --  Item. If the Simple Lowercase Mapping does not exist for the
 107    --  Wide_Character designated by Item, then the value of Item is returned.
 108
 109    function To_Lower (Item : Wide_String) return Wide_String;
 110    --  Returns the result of applying the To_Lower Wide_Character to
 111    --  Wide_Character conversion to each element of the Wide_String designated
 112    --  by Item. The result is the null Wide_String if the value of the formal
 113    --  parameter is the null Wide_String.
 114
 115    function To_Upper (Item : Wide_Character) return Wide_Character;
 116    pragma Inline (To_Upper);
 117    --  Returns the Simple Uppercase Mapping of the Wide_Character designated by
 118    --  Item. If the Simple Uppercase Mapping does not exist for the
 119    --  Wide_Character designated by Item, then the value of Item is returned.
 120
 121    function To_Upper (Item : Wide_String) return Wide_String;
 122    --  Returns the result of applying the To_Upper Wide_Character to
 123    --  Wide_Character conversion to each element of the Wide_String designated
 124    --  by Item. The result is the null Wide_String if the value of the formal
 125    --  parameter is the null Wide_String.
 126
 127 end Ada.Wide_Characters.Handling;