diff options
Diffstat (limited to 'lib/stdlib/src/io_lib_pretty.erl')
| -rw-r--r-- | lib/stdlib/src/io_lib_pretty.erl | 172 |
1 files changed, 91 insertions, 81 deletions
diff --git a/lib/stdlib/src/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl index a8f610558a..525b534249 100644 --- a/lib/stdlib/src/io_lib_pretty.erl +++ b/lib/stdlib/src/io_lib_pretty.erl @@ -56,6 +56,7 @@ print(Term) -> | {depth, depth()} | {max_chars, max_chars()} | {record_print_fun, rec_print_fun()} + | {strings, boolean()} | {encoding, latin1 | utf8 | unicode}. -type options() :: [option()]. @@ -69,7 +70,8 @@ print(Term, Options) when is_list(Options) -> M = proplists:get_value(max_chars, Options, -1), RecDefFun = proplists:get_value(record_print_fun, Options, no_fun), Encoding = proplists:get_value(encoding, Options, epp:default_encoding()), - print(Term, Col, Ll, D, M, RecDefFun, Encoding); + Strings = proplists:get_value(strings, Options, true), + print(Term, Col, Ll, D, M, RecDefFun, Encoding, Strings); print(Term, RecDefFun) -> print(Term, -1, RecDefFun). @@ -81,7 +83,7 @@ print(Term, Depth, RecDefFun) -> -spec print(term(), column(), line_length(), depth()) -> chars(). print(Term, Col, Ll, D) -> - print(Term, Col, Ll, D, _M=-1, no_fun, latin1). + print(Term, Col, Ll, D, _M=-1, no_fun, latin1, true). -spec print(term(), column(), line_length(), depth(), rec_print_fun()) -> chars(). @@ -92,15 +94,15 @@ print(Term, Col, Ll, D, RecDefFun) -> rec_print_fun()) -> chars(). print(Term, Col, Ll, D, M, RecDefFun) -> - print(Term, Col, Ll, D, M, RecDefFun, latin1). - -print(_, _, _, 0, _M, _RF, _Enc) -> "..."; -print(Term, Col, Ll, D, M, RecDefFun, Enc) when Col =< 0 -> - print(Term, 1, Ll, D, M, RecDefFun, Enc); -print(Term, Col, Ll, D, M0, RecDefFun, Enc) when is_tuple(Term); - is_list(Term); - is_bitstring(Term) -> - If = {_S, Len} = print_length(Term, D, RecDefFun, Enc), + print(Term, Col, Ll, D, M, RecDefFun, latin1, true). + +print(_, _, _, 0, _M, _RF, _Enc, _Str) -> "..."; +print(Term, Col, Ll, D, M, RecDefFun, Enc, Str) when Col =< 0 -> + print(Term, 1, Ll, D, M, RecDefFun, Enc, Str); +print(Term, Col, Ll, D, M0, RecDefFun, Enc, Str) when is_tuple(Term); + is_list(Term); + is_bitstring(Term) -> + If = {_S, Len} = print_length(Term, D, RecDefFun, Enc, Str), M = max_cs(M0, Len), if Len < Ll - Col, Len =< M -> @@ -111,7 +113,7 @@ print(Term, Col, Ll, D, M0, RecDefFun, Enc) when is_tuple(Term); 1), pp(If, Col, Ll, M, TInd, indent(Col), 0, 0) end; -print(Term, _Col, _Ll, _D, _M, _RF, _Enc) -> +print(Term, _Col, _Ll, _D, _M, _RF, _Enc, _Str) -> io_lib:write(Term). %%% @@ -325,12 +327,12 @@ write_tail(E, S) -> %% counted but need to be added later. %% D =/= 0 -print_length([], _D, _RF, _Enc) -> +print_length([], _D, _RF, _Enc, _Str) -> {"[]", 2}; -print_length({}, _D, _RF, _Enc) -> +print_length({}, _D, _RF, _Enc, _Str) -> {"{}", 2}; -print_length(List, D, RF, Enc) when is_list(List) -> - case printable_list(List, D, Enc) of +print_length(List, D, RF, Enc, Str) when is_list(List) -> + case Str andalso printable_list(List, D, Enc) of true -> S = write_string(List, Enc), {S, length(S)}; @@ -339,30 +341,30 @@ print_length(List, D, RF, Enc) when is_list(List) -> % S = write_string(Prefix, Enc), % {[S | "..."], 3 + length(S)}; false -> - print_length_list(List, D, RF, Enc) + print_length_list(List, D, RF, Enc, Str) end; -print_length(Fun, _D, _RF, _Enc) when is_function(Fun) -> +print_length(Fun, _D, _RF, _Enc, _Str) when is_function(Fun) -> S = io_lib:write(Fun), {S, iolist_size(S)}; -print_length(R, D, RF, Enc) when is_atom(element(1, R)), - is_function(RF) -> +print_length(R, D, RF, Enc, Str) when is_atom(element(1, R)), + is_function(RF) -> case RF(element(1, R), tuple_size(R) - 1) of no -> - print_length_tuple(R, D, RF, Enc); + print_length_tuple(R, D, RF, Enc, Str); RDefs -> - print_length_record(R, D, RF, RDefs, Enc) + print_length_record(R, D, RF, RDefs, Enc, Str) end; -print_length(Tuple, D, RF, Enc) when is_tuple(Tuple) -> - print_length_tuple(Tuple, D, RF, Enc); -print_length(<<>>, _D, _RF, _Enc) -> +print_length(Tuple, D, RF, Enc, Str) when is_tuple(Tuple) -> + print_length_tuple(Tuple, D, RF, Enc, Str); +print_length(<<>>, _D, _RF, _Enc, _Str) -> {"<<>>", 4}; -print_length(<<_/bitstring>>, 1, _RF, _Enc) -> +print_length(<<_/bitstring>>, 1, _RF, _Enc, _Str) -> {"<<...>>", 7}; -print_length(<<_/bitstring>>=Bin, D, _RF, Enc) -> +print_length(<<_/bitstring>>=Bin, D, _RF, Enc, Str) -> case bit_size(Bin) rem 8 of 0 -> D1 = D - 1, - case printable_bin(Bin, D1, Enc) of + case Str andalso printable_bin(Bin, D1, Enc) of {true, List} when is_list(List) -> S = io_lib:write_string(List, $"), %" {[$<,$<,S,$>,$>], 4 + length(S)}; @@ -383,51 +385,53 @@ print_length(<<_/bitstring>>=Bin, D, _RF, Enc) -> S = io_lib:write(Bin, D), {{bin,S}, iolist_size(S)} end; -print_length(Term, _D, _RF, _Enc) -> +print_length(Term, _D, _RF, _Enc, _Str) -> S = io_lib:write(Term), {S, lists:flatlength(S)}. -print_length_tuple(_Tuple, 1, _RF, _Enc) -> +print_length_tuple(_Tuple, 1, _RF, _Enc, _Str) -> {"{...}", 5}; -print_length_tuple(Tuple, D, RF, Enc) -> - L = print_length_list1(tuple_to_list(Tuple), D, RF, Enc), +print_length_tuple(Tuple, D, RF, Enc, Str) -> + L = print_length_list1(tuple_to_list(Tuple), D, RF, Enc, Str), IsTagged = is_atom(element(1, Tuple)) and (tuple_size(Tuple) > 1), {{tuple,IsTagged,L}, list_length(L, 2)}. -print_length_record(_Tuple, 1, _RF, _RDefs, _Enc) -> +print_length_record(_Tuple, 1, _RF, _RDefs, _Enc, _Str) -> {"{...}", 5}; -print_length_record(Tuple, D, RF, RDefs, Enc) -> +print_length_record(Tuple, D, RF, RDefs, Enc, Str) -> Name = [$# | io_lib:write_atom(element(1, Tuple))], NameL = length(Name), - L = print_length_fields(RDefs, D - 1, tl(tuple_to_list(Tuple)), RF, Enc), + Elements = tl(tuple_to_list(Tuple)), + L = print_length_fields(RDefs, D - 1, Elements, RF, Enc, Str), {{record, [{Name,NameL} | L]}, list_length(L, NameL + 2)}. -print_length_fields([], _D, [], _RF, _Enc) -> +print_length_fields([], _D, [], _RF, _Enc, _Str) -> []; -print_length_fields(_, 1, _, _RF, _Enc) -> +print_length_fields(_, 1, _, _RF, _Enc, _Str) -> {dots, 3}; -print_length_fields([Def | Defs], D, [E | Es], RF, Enc) -> - [print_length_field(Def, D - 1, E, RF, Enc) | - print_length_fields(Defs, D - 1, Es, RF, Enc)]. +print_length_fields([Def | Defs], D, [E | Es], RF, Enc, Str) -> + [print_length_field(Def, D - 1, E, RF, Enc, Str) | + print_length_fields(Defs, D - 1, Es, RF, Enc, Str)]. -print_length_field(Def, D, E, RF, Enc) -> +print_length_field(Def, D, E, RF, Enc, Str) -> Name = io_lib:write_atom(Def), - {S, L} = print_length(E, D, RF, Enc), + {S, L} = print_length(E, D, RF, Enc, Str), NameL = length(Name) + 3, {{field, Name, NameL, {S, L}}, NameL + L}. -print_length_list(List, D, RF, Enc) -> - L = print_length_list1(List, D, RF, Enc), +print_length_list(List, D, RF, Enc, Str) -> + L = print_length_list1(List, D, RF, Enc, Str), {{list, L}, list_length(L, 2)}. -print_length_list1([], _D, _RF, _Enc) -> +print_length_list1([], _D, _RF, _Enc, _Str) -> []; -print_length_list1(_, 1, _RF, _Enc) -> +print_length_list1(_, 1, _RF, _Enc, _Str) -> {dots, 3}; -print_length_list1([E | Es], D, RF, Enc) -> - [print_length(E, D - 1, RF, Enc) | print_length_list1(Es, D - 1, RF, Enc)]; -print_length_list1(E, D, RF, Enc) -> - print_length(E, D - 1, RF, Enc). +print_length_list1([E | Es], D, RF, Enc, Str) -> + [print_length(E, D - 1, RF, Enc, Str) | + print_length_list1(Es, D - 1, RF, Enc, Str)]; +print_length_list1(E, D, RF, Enc, Str) -> + print_length(E, D - 1, RF, Enc, Str). list_length([], Acc) -> Acc; @@ -452,18 +456,6 @@ printable_list(L, _D, latin1) -> io_lib:printable_latin1_list(L); printable_list(L, _D, _Uni) -> io_lib:printable_list(L). -%% Truncated lists could break some existing code. -% printable_list(L, D, Enc) when D >= 0 -> -% Len = ?CHARS * (D - 1), -% case printable_list1(L, Len, Enc) of -% all -> -% true; -% N when is_integer(N), Len - N >= D - 1 -> -% {L1, _} = lists:split(Len - N, L), -% {true, L1}; -% N when is_integer(N) -> -% false -% end. printable_bin(Bin, D, Enc) when D >= 0, ?CHARS * D =< byte_size(Bin) -> printable_bin(Bin, erlang:min(?CHARS * D, byte_size(Bin)), D, Enc); @@ -473,7 +465,7 @@ printable_bin(Bin, D, Enc) -> printable_bin(Bin, Len, D, latin1) -> N = erlang:min(20, Len), L = binary_to_list(Bin, 1, N), - case printable_list1(L, N) of + case printable_latin1_list(L, N) of all when N =:= byte_size(Bin) -> {true, L}; all when N =:= Len -> % N < byte_size(Bin) @@ -507,7 +499,7 @@ printable_bin1(_Bin, _Start, 0) -> printable_bin1(Bin, Start, Len) -> N = erlang:min(10000, Len), L = binary_to_list(Bin, Start, Start + N - 1), - case printable_list1(L, N) of + case printable_latin1_list(L, N) of all -> printable_bin1(Bin, Start + N, Len - N); NC when is_integer(NC) -> @@ -515,26 +507,44 @@ printable_bin1(Bin, Start, Len) -> end. %% -> all | integer() >=0. Adopted from io_lib.erl. -% printable_list1([_ | _], 0) -> 0; -printable_list1([C | Cs], N) when is_integer(C), C >= $\s, C =< $~ -> - printable_list1(Cs, N - 1); -printable_list1([C | Cs], N) when is_integer(C), C >= $\240, C =< $\377 -> - printable_list1(Cs, N - 1); -printable_list1([$\n | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\r | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\t | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\v | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\b | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\f | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\e | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([], _) -> all; -printable_list1(_, N) -> N. - -printable_unicode(<<C/utf8, R/binary>>, I, L) when I > 0 -> - printable_unicode(R, I - 1, [C | L]); +% printable_latin1_list([_ | _], 0) -> 0; +printable_latin1_list([C | Cs], N) when C >= $\s, C =< $~ -> + printable_latin1_list(Cs, N - 1); +printable_latin1_list([C | Cs], N) when C >= $\240, C =< $\377 -> + printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\n | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\r | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\t | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\v | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\b | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\f | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\e | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([], _) -> all; +printable_latin1_list(_, N) -> N. + +printable_unicode(<<C/utf8, R/binary>>=Bin, I, L) when I > 0 -> + case printable_char(C) of + true -> + printable_unicode(R, I - 1, [C | L]); + false -> + {I, Bin, lists:reverse(L)} + end; printable_unicode(Bin, I, L) -> {I, Bin, lists:reverse(L)}. +printable_char($\n) -> true; +printable_char($\r) -> true; +printable_char($\t) -> true; +printable_char($\v) -> true; +printable_char($\b) -> true; +printable_char($\f) -> true; +printable_char($\e) -> true; +printable_char(C) -> + C >= $\s andalso C =< $~ orelse + C >= 16#A0 andalso C < 16#D800 orelse + C > 16#DFFF andalso C < 16#FFFE orelse + C > 16#FFFF andalso C =< 16#10FFFF. + write_string(S, latin1) -> io_lib:write_latin1_string(S, $"); %" write_string(S, _Uni) -> |