Ada Programming/Libraries/Ada.Characters.Handling

Ada.Characters.Handling __TOC__ Ada Characters Handling is a unit of the Predefined Language Environment since Ada 95. Specification Standard Ada library specification Copyright (c) 2003-2018 Maxim Reznik <reznikmm@gmail.com> Copyright (c) 2004-2016 AXE Consultants Copyright (c) 2004, 2005, 2006 Ada-Europe Copyright (c) 2000 The MITRE Corporation, Inc. Copyright (c) 1992, 1993, 1994, 1995 Intermetrics, Inc. SPDX-License-Identifier: BSD-3-Clause and LicenseRef-AdaReferenceManual ------------------------------------------------------------------------- with Ada Characters Conversions; package Ada Characters Handling is pragma Pure (Handling); Character classification functions function Is_Control (Item : in Character) return Boolean; function Is_Graphic (Item : in Character) return Boolean; function Is_Letter (Item : in Character) return Boolean; function Is_Lower (Item : in Character) return Boolean; function Is_Upper (Item : in Character) return Boolean; function Is_Basic (Item : in Character) return Boolean; function Is_Digit (Item : in Character) return Boolean; function Is_Decimal_Digit (Item : in Character) return Boolean renames Is_Digit; function Is_Hexadecimal_Digit (Item : in Character) return Boolean; function Is_Alphanumeric (Item : in Character) return Boolean; function Is_Special (Item : in Character) return Boolean; Conversion functions for Character and String function To_Lower (Item : in Character) return Character; function To_Upper (Item : in Character) return Character; function To_Basic (Item : in Character) return Character; function To_Lower (Item : in String) return String; function To_Upper (Item : in String) return String; function To_Basic (Item : in String) return String; Classifications of and conversions between Character and ISO 646 subtype ISO_646 is Character range Character'Val(0) double_dot .. Character'Val(127); function Is_ISO_646 (Item : in Character) return Boolean; function Is_ISO_646 (Item : in String) return Boolean; function To_ISO_646 (Item : in Character; Substitute : in ISO_646 := ' ') return ISO_646; function To_ISO_646 (Item : in String; Substitute : in ISO_646 := ' ') return String; The functions Is_Character, Is_String, To_Character, To_String, To_Wide_Character and To_Wide_String are obsolescent; see J.14. function Is_Character (Item : in Wide_Character) return Boolean renames Conversionsdot .Is_Character; function Is_String (Item : in Wide_String) return Boolean renames Conversionsdot .Is_String; function To_Character (Item : in Wide_Character; Substitute : in Character := ' ') return Character renames Conversionsdot .To_Character; function To_String (Item : in Wide_String; Substitute : in Character := ' ') return String renames Conversionsdot .To_String; function To_Wide_Character (Item : in Character) return Wide_Character renames Conversionsdot .To_Wide_Character; function To_Wide_String (Item : in String) return Wide_String renames Conversionsdot .To_Wide_String; end Adadot .Charactersdot .Handling; See also Wikibook Ada Programming/Libraries/Ada Ada Reference Manual Ada 95 A 3 2 The Package Characters.Handling Ada 2005 A 3 2 The Package Characters.Handling Ada 2012 A 3 2 The Package Characters.Handling