package uutf

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Encoding guess
String folders

package uutf

uutf
- Uutf
  - Buffer
  - Manual
  - String

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Fold over the characters of UTF encoded OCaml string values.

Encoding guess

val encoding_guess : string -> [ `UTF_8 | `UTF_16BE | `UTF_16LE ] * bool

encoding_guess s is the encoding guessed for s coupled with true iff there's an initial BOM.

String folders

Note. Initial BOMs are also folded over.

type 'a folder =
  'a ->
  int ->
  [ `Uchar of Uchar.t | `Malformed of string ] ->
  'a

The type for character folders. The integer is the index in the string where the `Uchar or `Malformed starts.

val fold_utf_8 : ?pos:int -> ?len:int -> 'a folder -> 'a -> string -> 'a

fold_utf_8 f a s ?pos ?len () is f ( ... (f (f a pos u₀) j₁ u₁) ... ) ... ) j_n u_n where u_i, j_i are characters and their start position in the UTF-8 encoded substring s starting at pos and len long. The default value for pos is 0 and len is String.length s - pos.

val fold_utf_16be : ?pos:int -> ?len:int -> 'a folder -> 'a -> string -> 'a

fold_utf_16be f a s ?pos ?len () is f ( ... (f (f a pos u₀) j₁ u₁) ... ) ... ) j_n u_n where u_i, j_i are characters and their start position in the UTF-8 encoded substring s starting at pos and len long. The default value for pos is 0 and len is String.length s - pos.

val fold_utf_16le : ?pos:int -> ?len:int -> 'a folder -> 'a -> string -> 'a

fold_utf_16le f a s ?pos ?len () is f ( ... (f (f a pos u₀) j₁ u₁) ... ) ... ) j_n u_n where u_i, j_i are characters and their start position in the UTF-8 encoded substring s starting at pos and len long. The default value for pos is 0 and len is String.length s - pos.