package fmlib_parse

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package fmlib_parse

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Parser for streams of unicode characters.

There are several possibilities to encode unicode characters in byte streams.

utf8: Encodes a unicode character in 1 to 4 bytes. The ascii characters are included as a special case. Mostly used to transfer unicode text data on the internet and on unix based platforms (like MacOS).

utf16: Encodes a unicode character in 2 or 4 bytes. The whole basic mulilingual plane is encoded in 2 bytes and all the other planes need 4 bytes. Mostly used on windows platforms and in javascript. For text streams big and littly endian has to be distinguished.

There are the following modules available:

Make_utf8: Parse text streams encoded in utf-8.

Make_utf16_be: Parse text streams encoded in utf-16 big endian.

Make_utf16_le: Parse text streams encoded in utf-16 little endian.

Make: Parse text streams in any encoding. The encoder and decoder have to be provided as module parameter.

All parsers in this module work like a character parser (see Character.Make) with some additional combinators to recognize unicode characters.

module Make_utf8
  (State : Fmlib_std.Interfaces.ANY)
  (Final : Fmlib_std.Interfaces.ANY)
  (Semantic : Fmlib_std.Interfaces.ANY) : 
  sig ... end

Parse an input stream consisting of unicode characters encoded in utf-8.

module Make_utf16_be
  (State : Fmlib_std.Interfaces.ANY)
  (Final : Fmlib_std.Interfaces.ANY)
  (Semantic : Fmlib_std.Interfaces.ANY) : 
  sig ... end

Parse an input stream consisting of unicode characters encoded in utf-16 big endian.

module Make_utf16_le
  (State : Fmlib_std.Interfaces.ANY)
  (Final : Fmlib_std.Interfaces.ANY)
  (Semantic : Fmlib_std.Interfaces.ANY) : 
  sig ... end

Parse an input stream consisting of unicode characters encoded in utf-16 little endian.

module Make
  (Codec : Interfaces.CHAR_CODEC)
  (State : Fmlib_std.Interfaces.ANY)
  (Final : Fmlib_std.Interfaces.ANY)
  (Semantic : Fmlib_std.Interfaces.ANY) : 
  sig ... end

Parse an input stream consisting of unicode characters. The unicode characters are encoded and decoded by using the module Codec.