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open CamomileLibraryDefault.Camomile
module Convert(US: UnicodeString.Type)= struct
let of_list l=
let buf= US.Buf.create 0 in
let rec convert l=
match l with
| []-> ()
| c::tl -> US.Buf.add_char buf c; convert tl
in
convert l;
US.Buf.contents buf
let of_array a=
let buf= US.Buf.create 0 in
for i= 0 to Array.length a - 1 do
US.Buf.add_char buf a.(i)
done;
US.Buf.contents buf
let to_uChars us=
let first= US.first us
and last= US.last us in
let length= US.length us in
let rec create acc i=
if US.compare_index us i first >= 0
then create (US.look us i :: acc) (US.prev us i)
else acc
in
if length > 0 then
create [] last
else
[]
end
let array_rev a=
let len= Array.length a - 1 in
Array.init len (fun i-> a.(len-i))
let rec list_compare ?(compare=compare) l1 l2=
match l1, l2 with
| [], []-> 0
| [], _-> -1
| _, []-> 1
| h1::t1, h2::t2->
match compare h1 h2 with
| 0-> list_compare ~compare t1 t2
| _ as r-> r
let array_compare ?(compare=compare) a1 a2=
let len1= Array.length a1
and len2= Array.length a2 in
let rec compare_aux pos=
let remain1= len1 - pos
and remain2= len2 - pos in
if remain1 <= 0 && remain2 <= 0 then 0
else if remain1 <= 0 && remain2 > 0 then -1
else if remain1 > 0 && remain2 <= 0 then 1
else match compare a1.(pos) a2.(pos) with
| 0-> compare_aux (pos + 1)
| _ as r-> r
in
compare_aux 0