-module(sqlode@char_utils).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/sqlode/char_utils.gleam").
-export([is_digit/1, is_alpha/1, is_uppercase_letter/1, is_alpha_or_underscore/1, is_alnum_or_underscore/1, all_digits/1]).

-file("src/sqlode/char_utils.gleam", 3).
-spec is_digit(binary()) -> boolean().
is_digit(G) ->
    case G of
        <<"0"/utf8>> ->
            true;

        <<"1"/utf8>> ->
            true;

        <<"2"/utf8>> ->
            true;

        <<"3"/utf8>> ->
            true;

        <<"4"/utf8>> ->
            true;

        <<"5"/utf8>> ->
            true;

        <<"6"/utf8>> ->
            true;

        <<"7"/utf8>> ->
            true;

        <<"8"/utf8>> ->
            true;

        <<"9"/utf8>> ->
            true;

        _ ->
            false
    end.

-file("src/sqlode/char_utils.gleam", 10).
-spec is_alpha(binary()) -> boolean().
is_alpha(G) ->
    Cp@1 = case gleam@string:to_utf_codepoints(G) of
        [Cp] ->
            gleam_stdlib:identity(Cp);

        _ ->
            0
    end,
    ((Cp@1 >= 65) andalso (Cp@1 =< 90)) orelse ((Cp@1 >= 97) andalso (Cp@1 =< 122)).

-file("src/sqlode/char_utils.gleam", 18).
-spec is_uppercase_letter(binary()) -> boolean().
is_uppercase_letter(G) ->
    Cp@1 = case gleam@string:to_utf_codepoints(G) of
        [Cp] ->
            gleam_stdlib:identity(Cp);

        _ ->
            0
    end,
    (Cp@1 >= 65) andalso (Cp@1 =< 90).

-file("src/sqlode/char_utils.gleam", 26).
-spec is_alpha_or_underscore(binary()) -> boolean().
is_alpha_or_underscore(G) ->
    is_alpha(G) orelse (G =:= <<"_"/utf8>>).

-file("src/sqlode/char_utils.gleam", 30).
-spec is_alnum_or_underscore(binary()) -> boolean().
is_alnum_or_underscore(G) ->
    (is_alpha(G) orelse is_digit(G)) orelse (G =:= <<"_"/utf8>>).

-file("src/sqlode/char_utils.gleam", 41).
-spec all_digits_loop(binary()) -> boolean().
all_digits_loop(Value) ->
    case gleam_stdlib:string_pop_grapheme(Value) of
        {error, _} ->
            true;

        {ok, {Char, Rest}} ->
            case is_digit(Char) of
                true ->
                    all_digits_loop(Rest);

                false ->
                    false
            end
    end.

-file("src/sqlode/char_utils.gleam", 34).
-spec all_digits(binary()) -> boolean().
all_digits(Value) ->
    case Value of
        <<""/utf8>> ->
            false;

        _ ->
            all_digits_loop(Value)
    end.