62 lines
3 KiB
Ada
62 lines
3 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- ADA.STRINGS.UTF_ENCODING.CONVERSIONS --
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-- --
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-- S p e c --
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-- --
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-- This specification is derived from the Ada Reference Manual for use with --
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-- GNAT. In accordance with the copyright of that document, you can freely --
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-- copy and modify this specification, provided that if you redistribute a --
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-- modified version, any changes that you have made are clearly indicated. --
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-- --
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------------------------------------------------------------------------------
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-- This is an Ada 2012 package defined in AI05-0137-1. It provides conversions
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-- from one UTF encoding method to another. Note: this package is consistent
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-- with Ada 95, and may be used in Ada 95 or Ada 2005 mode.
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package Ada.Strings.UTF_Encoding.Conversions is
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pragma Pure (Conversions);
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-- In the following conversion routines, a BOM in the input that matches
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-- the encoding scheme is ignored, an incorrect BOM causes Encoding_Error
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-- to be raised. A BOM is present in the output if the Output_BOM parameter
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-- is set to True.
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function Convert
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(Item : UTF_String;
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Input_Scheme : Encoding_Scheme;
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Output_Scheme : Encoding_Scheme;
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Output_BOM : Boolean := False) return UTF_String;
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-- Convert from input encoded in UTF-8, UTF-16LE, or UTF-16BE as specified
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-- by the Input_Scheme argument, and generate an output encoded in one of
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-- these three schemes as specified by the Output_Scheme argument.
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function Convert
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(Item : UTF_String;
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Input_Scheme : Encoding_Scheme;
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Output_BOM : Boolean := False) return UTF_16_Wide_String;
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-- Convert from input encoded in UTF-8, UTF-16LE, or UTF-16BE as specified
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-- by the Input_Scheme argument, and generate an output encoded in UTF-16.
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function Convert
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(Item : UTF_8_String;
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Output_BOM : Boolean := False) return UTF_16_Wide_String;
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-- Convert from UTF-8 to UTF-16
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function Convert
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(Item : UTF_16_Wide_String;
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Output_Scheme : Encoding_Scheme;
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Output_BOM : Boolean := False) return UTF_String;
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-- Convert from UTF-16 to UTF-8, UTF-16LE, or UTF-16BE as specified by
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-- the Output_Scheme argument.
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function Convert
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(Item : UTF_16_Wide_String;
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Output_BOM : Boolean := False) return UTF_8_String;
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-- Convert from UTF-16 to UTF-8
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end Ada.Strings.UTF_Encoding.Conversions;
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