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Diffstat (limited to 'gcc/ada/g-byorma.adb')
| -rw-r--r-- | gcc/ada/g-byorma.adb | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/gcc/ada/g-byorma.adb b/gcc/ada/g-byorma.adb deleted file mode 100644 index 0b389f5d403..00000000000 --- a/gcc/ada/g-byorma.adb +++ /dev/null @@ -1,195 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- G N A T . B Y T E _ O R D E R _ M A R K -- --- -- --- B o d y -- --- -- --- Copyright (C) 2006-2013, AdaCore -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -pragma Compiler_Unit_Warning; - -package body GNAT.Byte_Order_Mark is - - -------------- - -- Read_BOM -- - -------------- - - procedure Read_BOM - (Str : String; - Len : out Natural; - BOM : out BOM_Kind; - XML_Support : Boolean := False) - is - begin - -- Note: the order of these tests is important, because in some cases - -- one sequence is a prefix of a longer sequence, and we must test for - -- the longer sequence first - - -- UTF-32 (big-endian) - - if Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#00#) - and then Str (Str'First + 1) = Character'Val (16#00#) - and then Str (Str'First + 2) = Character'Val (16#FE#) - and then Str (Str'First + 3) = Character'Val (16#FF#) - then - Len := 4; - BOM := UTF32_BE; - - -- UTF-32 (little-endian) - - elsif Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#FF#) - and then Str (Str'First + 1) = Character'Val (16#FE#) - and then Str (Str'First + 2) = Character'Val (16#00#) - and then Str (Str'First + 3) = Character'Val (16#00#) - then - Len := 4; - BOM := UTF32_LE; - - -- UTF-16 (big-endian) - - elsif Str'Length >= 2 - and then Str (Str'First) = Character'Val (16#FE#) - and then Str (Str'First + 1) = Character'Val (16#FF#) - then - Len := 2; - BOM := UTF16_BE; - - -- UTF-16 (little-endian) - - elsif Str'Length >= 2 - and then Str (Str'First) = Character'Val (16#FF#) - and then Str (Str'First + 1) = Character'Val (16#FE#) - then - Len := 2; - BOM := UTF16_LE; - - -- UTF-8 (endian-independent) - - elsif Str'Length >= 3 - and then Str (Str'First) = Character'Val (16#EF#) - and then Str (Str'First + 1) = Character'Val (16#BB#) - and then Str (Str'First + 2) = Character'Val (16#BF#) - then - Len := 3; - BOM := UTF8_All; - - -- UCS-4 (big-endian) XML only - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#00#) - and then Str (Str'First + 1) = Character'Val (16#00#) - and then Str (Str'First + 2) = Character'Val (16#00#) - and then Str (Str'First + 3) = Character'Val (16#3C#) - then - Len := 0; - BOM := UCS4_BE; - - -- UCS-4 (little-endian) XML case - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#3C#) - and then Str (Str'First + 1) = Character'Val (16#00#) - and then Str (Str'First + 2) = Character'Val (16#00#) - and then Str (Str'First + 3) = Character'Val (16#00#) - then - Len := 0; - BOM := UCS4_LE; - - -- UCS-4 (unusual byte order 2143) XML case - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#00#) - and then Str (Str'First + 1) = Character'Val (16#00#) - and then Str (Str'First + 2) = Character'Val (16#3C#) - and then Str (Str'First + 3) = Character'Val (16#00#) - then - Len := 0; - BOM := UCS4_2143; - - -- UCS-4 (unusual byte order 3412) XML case - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#00#) - and then Str (Str'First + 1) = Character'Val (16#3C#) - and then Str (Str'First + 2) = Character'Val (16#00#) - and then Str (Str'First + 3) = Character'Val (16#00#) - then - Len := 0; - BOM := UCS4_3412; - - -- UTF-16 (big-endian) XML case - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#00#) - and then Str (Str'First + 1) = Character'Val (16#3C#) - and then Str (Str'First + 2) = Character'Val (16#00#) - and then Str (Str'First + 3) = Character'Val (16#3F#) - then - Len := 0; - BOM := UTF16_BE; - - -- UTF-32 (little-endian) XML case - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#3C#) - and then Str (Str'First + 1) = Character'Val (16#00#) - and then Str (Str'First + 2) = Character'Val (16#3F#) - and then Str (Str'First + 3) = Character'Val (16#00#) - then - Len := 0; - BOM := UTF16_LE; - - -- Unrecognized special encodings XML only - - elsif XML_Support - and then Str'Length >= 4 - and then Str (Str'First) = Character'Val (16#3C#) - and then Str (Str'First + 1) = Character'Val (16#3F#) - and then Str (Str'First + 2) = Character'Val (16#78#) - and then Str (Str'First + 3) = Character'Val (16#6D#) - then - -- UTF-8, ASCII, some part of ISO8859, Shift-JIS, EUC,... - - Len := 0; - BOM := Unknown; - - -- No BOM recognized - - else - Len := 0; - BOM := Unknown; - end if; - end Read_BOM; - -end GNAT.Byte_Order_Mark; |