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Diffstat (limited to 'gcc/ada/a-suezst.ads')
| -rwxr-xr-x | gcc/ada/a-suezst.ads | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc/ada/a-suezst.ads b/gcc/ada/a-suezst.ads new file mode 100755 index 00000000000..86d344d252d --- /dev/null +++ b/gcc/ada/a-suezst.ads @@ -0,0 +1,64 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- ADA.STRINGS.UTF_ENCODING.WIDE_WIDE_STRINGS -- +-- -- +-- S p e c -- +-- -- +-- This specification is derived from the Ada Reference Manual for use with -- +-- GNAT. In accordance with the copyright of that document, you can freely -- +-- copy and modify this specification, provided that if you redistribute a -- +-- modified version, any changes that you have made are clearly indicated. -- +-- -- +------------------------------------------------------------------------------ + +-- This is an Ada 2012 package defined in AI05-0137-1. It is used for encoding +-- and decoding Wide_String values using UTF encodings. Note: this package is +-- consistent with Ada 2005, and may be used in Ada 2005 mode, but cannot be +-- used in Ada 95 mode, since Wide_Wide_Character is an Ada 2005 feature. + +package Ada.Strings.UTF_Encoding.Wide_Wide_Strings is + pragma Pure (Wide_Wide_Strings); + + -- The encoding routines take a Wide_Wide_String as input and encode the + -- result using the specified UTF encoding method. The result includes a + -- BOM if the Output_BOM parameter is set to True. + + function Encode + (Item : Wide_Wide_String; + Output_Scheme : Encoding_Scheme; + Output_BOM : Boolean := False) return UTF_String; + -- Encode Wide_Wide_String using UTF-8, UTF-16LE or UTF-16BE encoding as + -- specified by the Output_Scheme parameter. + + function Encode + (Item : Wide_Wide_String; + Output_BOM : Boolean := False) return UTF_8_String; + -- Encode Wide_Wide_String using UTF-8 encoding + + function Encode + (Item : Wide_Wide_String; + Output_BOM : Boolean := False) return UTF_16_Wide_String; + -- Encode Wide_Wide_String using UTF_16 encoding + + -- The decoding routines take a UTF String as input, and return a decoded + -- Wide_String. If the UTF String starts with a BOM that matches the + -- encoding method, it is ignored. An incorrect BOM raises Encoding_Error. + + function Decode + (Item : UTF_String; + Input_Scheme : Encoding_Scheme) return Wide_Wide_String; + -- The input is encoded in UTF_8, UTF_16LE or UTF_16BE as specified by the + -- Input_Scheme parameter. It is decoded and returned as a Wide_Wide_String + -- value. Note: a convenient form for Scheme may be Encoding (UTF_String). + + function Decode + (Item : UTF_8_String) return Wide_Wide_String; + -- The input is encoded in UTF-8 and returned as a Wide_Wide_String value + + function Decode + (Item : UTF_16_Wide_String) return Wide_Wide_String; + -- The input is encoded in UTF-16 and returned as a Wide_String value + +end Ada.Strings.UTF_Encoding.Wide_Wide_Strings; |