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-- This source is licensed under the Sunset License v1.0
with
Ada.Characters.Latin_1;
package body Packrat.Utilities is
package Latin renames Ada.Characters.Latin_1;
package Strmaps renames Ada.Strings.Maps;
function In_Set
(Element : in Character)
return Boolean is
begin
return Strmaps.Is_In (Element, Set);
end In_Set;
function Not_In_Set
(Element : in Character)
return Boolean is
begin
return not Strmaps.Is_In (Element, Set);
end Not_In_Set;
function Is_Digit
(Char : in Character)
return Boolean is
begin
return (Char >= '0' and Char <= '9');
end Is_Digit;
function Is_Hex
(Char : in Character)
return Boolean is
begin
return
(Char >= '0' and Char <= '9') or
(Char >= 'A' and Char <= 'F') or
(Char >= 'a' and Char <= 'f');
end Is_Hex;
function Is_Letter
(Char : in Character)
return Boolean is
begin
return
(Char >= 'A' and Char <= 'Z') or
(Char >= 'a' and Char <= 'z');
end Is_Letter;
function Is_Alphanumeric
(Char : in Character)
return Boolean is
begin
return Is_Digit (Char) or Is_Letter (Char);
end Is_Alphanumeric;
function Is_Punctuation
(Char : in Character)
return Boolean is
begin
return
(Char >= '!' and Char <= '/') or
(Char >= ':' and Char <= '@') or
(Char >= '[' and Char <= '`') or
(Char >= '{' and Char <= '~');
end Is_Punctuation;
function Is_ASCII
(Char : in Character)
return Boolean is
begin
return Char <= Character'Val (127);
end Is_ASCII;
function Is_Extended_ASCII
(Char : in Character)
return Boolean is
begin
return Char >= Character'Val (128);
end Is_Extended_ASCII;
function Is_Space
(Char : in Character)
return Boolean is
begin
return Char = ' ';
end Is_Space;
function Is_Linespace
(Char : in Character)
return Boolean is
begin
return (Char = ' ' or Char = Latin.HT);
end Is_Linespace;
function Is_End_Of_Line
(Char : in Character)
return Boolean is
begin
return (Char = Latin.LF or Char = Latin.CR);
end Is_End_Of_Line;
function Is_Whitespace
(Char : in Character)
return Boolean is
begin
return
Char = Latin.HT or
Char = Latin.LF or
Char = Latin.CR or
Char = ' ';
end Is_Whitespace;
function Not_Whitespace
(Char : in Character)
return Boolean is
begin
return not Is_Whitespace (Char);
end Not_Whitespace;
end Packrat.Utilities;
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