Parser.Lathe.Encoding.UTF32

Functions for parsing UTF-32, both little-endian and big-endian.

Byte-order mark

utf32BOM

Arguments

:: e

Malformed.

-> e

Reached end.

-> Parser e ByteOrder

Consume 4 bytes that represent a UTF-32 byte-order mark and return the corresponding ByteOrder.

UTF-32

newtype UTF32Point

Unicode code unit.

Constructors

UTF32Point Word32

fromUtf32 :: UTF32Point -> Char

Convert a code point into a Char.

isSurrogate :: UTF32Point -> Bool

Check whether a code point lies in the surrogate range (U+D800 to U+DFFF).

Parsers

unitUtf32BE

Arguments

:: e

Code unit is greater than U+10FFFF.

-> e

Reached end.

-> Parser e UTF32Point

Consume 4 bytes that represents a big-endian UTF-32 character.

unitUtf32LE

Arguments

:: e

Code unit is greater than U+10FFFF.

-> e

Reached end.

-> Parser e UTF32Point

Consume 4 bytes that represents a little-endian UTF-32 character.