From 792450913beef0b2eec3e3b0a4ebad14563ecadb Mon Sep 17 00:00:00 2001 From: Hans Bolinder Date: Wed, 28 Jun 2017 13:05:53 +0200 Subject: stdlib: Do not use deprecated functions in string(3) --- lib/stdlib/src/epp.erl | 5 ++++- lib/stdlib/src/erl_lint.erl | 7 +++---- lib/stdlib/src/erl_pp.erl | 38 ++++++++++++++++++-------------------- lib/stdlib/src/erl_scan.erl | 6 +++--- lib/stdlib/src/escript.erl | 12 ++++++------ lib/stdlib/src/ets.erl | 4 ++-- lib/stdlib/src/filename.erl | 4 ++-- lib/stdlib/src/io_lib_format.erl | 10 +++++----- lib/stdlib/src/lib.erl | 2 +- lib/stdlib/src/slave.erl | 4 ++-- 10 files changed, 46 insertions(+), 46 deletions(-) (limited to 'lib/stdlib') diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index 31d0d499e3..00e6a10d8a 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -479,7 +479,7 @@ com_enc(_B, _Fun, _N, L, Ps) -> com_enc_end([L | Ps]). com_enc_end(Ps0) -> - Ps = lists:reverse([lists:reverse(string:to_lower(P)) || P <- Ps0]), + Ps = lists:reverse([lists:reverse(lowercase(P)) || P <- Ps0]), com_encoding(Ps). com_encoding(["latin","1"|_]) -> @@ -489,6 +489,9 @@ com_encoding(["utf","8"|_]) -> com_encoding(_) -> throw(no). % Don't try any further +lowercase(S) -> + unicode:characters_to_list(string:lowercase(S)). + normalize_typed_record_fields([]) -> {typed, []}; normalize_typed_record_fields(Fields) -> diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 65ba343368..1041783e33 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -3910,10 +3910,9 @@ check_format_string(Fmt) -> extract_sequences(Fmt, []). extract_sequences(Fmt, Need0) -> - case string:chr(Fmt, $~) of - 0 -> {ok,lists:reverse(Need0)}; %That's it - Pos -> - Fmt1 = string:substr(Fmt, Pos+1), %Skip ~ + case string:find(Fmt, [$~]) of + nomatch -> {ok,lists:reverse(Need0)}; %That's it + [$~|Fmt1] -> case extract_sequence(1, Fmt1, Need0) of {ok,Need1,Rest} -> extract_sequences(Rest, Need1); Error -> Error diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index ee5e7a11bf..bfb13438d6 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -237,13 +237,20 @@ lform({attribute,Line,Name,Arg}, Opts) -> lform({function,Line,Name,Arity,Clauses}, Opts) -> lfunction({function,Line,Name,Arity,Clauses}, Opts); %% These are specials to make it easier for the compiler. -lform({error,E}, _Opts) -> - leaf(format("~p\n", [{error,E}])); -lform({warning,W}, _Opts) -> - leaf(format("~p\n", [{warning,W}])); +lform({error,_}=E, Opts) -> + message(E, Opts); +lform({warning,_}=W, Opts) -> + message(W, Opts); lform({eof,_Line}, _Opts) -> $\n. +message(M, #options{encoding = Encoding}) -> + F = case Encoding of + latin1 -> "~p\n"; + unicode -> "~tp\n" + end, + leaf(format(F, [M])). + lattribute({attribute,_Line,type,Type}, Opts) -> [typeattr(type, Type, Opts),leaf(".\n")]; lattribute({attribute,_Line,opaque,Type}, Opts) -> @@ -904,7 +911,7 @@ maybe_paren(_P, _Prec, Expr) -> Expr. leaf(S) -> - {leaf,chars_size(S),S}. + {leaf,string:length(S),S}. %%% Do the formatting. Currently nothing fancy. Could probably have %%% done it in one single pass. @@ -964,7 +971,7 @@ f({seq,Before,After,Sep,LItems}, I0, ST, WT, PP) -> Sizes = BSizeL ++ SizeL, NSepChars = if is_list(Sep), Sep =/= [] -> - erlang:max(0, length(CharsL)-1); + erlang:max(0, length(CharsL)-1); % not string:length true -> 0 end, @@ -1120,7 +1127,7 @@ incr(I, Incr) -> I+Incr. indentation(E, I) when I < 0 -> - chars_size(E); + string:length(E); indentation(E, I0) -> I = io_lib_format:indentation(E, I0), case has_nl(E) of @@ -1157,19 +1164,19 @@ write_a_string(S, I, PP) -> write_a_string([], _N, _Len, _PP) -> []; write_a_string(S, N, Len, PP) -> - SS = string:sub_string(S, 1, N), + SS = string:slice(S, 0, N), Sl = write_string(SS, PP), - case (chars_size(Sl) > Len) and (N > ?MIN_SUBSTRING) of + case (string:length(Sl) > Len) and (N > ?MIN_SUBSTRING) of true -> write_a_string(S, N-1, Len, PP); false -> [flat_leaf(Sl) | - write_a_string(lists:nthtail(length(SS), S), Len, Len, PP)] + write_a_string(string:slice(S, string:length(SS)), Len, Len, PP)] end. flat_leaf(S) -> L = lists:flatten(S), - {leaf,length(L),L}. + {leaf,string:length(L),L}. write_value(V, PP) -> (PP#pp.value_fun)(V). @@ -1190,15 +1197,6 @@ write_char(C, PP) -> a0() -> erl_anno:new(0). -chars_size([C | Es]) when is_integer(C) -> - 1 + chars_size(Es); -chars_size([E | Es]) -> - chars_size(E) + chars_size(Es); -chars_size([]) -> - 0; -chars_size(B) when is_binary(B) -> - byte_size(B). - -define(N_SPACES, 30). spacetab() -> diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl index 47223b129c..4774c4bf19 100644 --- a/lib/stdlib/src/erl_scan.erl +++ b/lib/stdlib/src/erl_scan.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2015. All Rights Reserved. +%% Copyright Ericsson AB 1996-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -752,7 +752,7 @@ scan_string(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> {char_error,Ncs,Error,Nline,Ncol,EndCol} -> scan_error(Error, Nline, Ncol, Nline, EndCol, Ncs); {error,Nline,Ncol,Nwcs,Ncs} -> - Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars. + Estr = string:slice(Nwcs, 0, 16), % Expanded escape chars. scan_error({string,$\",Estr}, Line0, Col0, Nline, Ncol, Ncs); %" {Ncs,Nline,Ncol,Nstr,Nwcs} -> Anno = anno(Line0, Col0, St, Nstr), @@ -767,7 +767,7 @@ scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> {char_error,Ncs,Error,Nline,Ncol,EndCol} -> scan_error(Error, Nline, Ncol, Nline, EndCol, Ncs); {error,Nline,Ncol,Nwcs,Ncs} -> - Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars. + Estr = string:slice(Nwcs, 0, 16), % Expanded escape chars. scan_error({string,$\',Estr}, Line0, Col0, Nline, Ncol, Ncs); %' {Ncs,Nline,Ncol,Nstr,Nwcs} -> case catch list_to_atom(Nwcs) of diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl index 2093916a7c..88c6f59b2d 100644 --- a/lib/stdlib/src/escript.erl +++ b/lib/stdlib/src/escript.erl @@ -224,8 +224,8 @@ return_sections(S, Bin) -> normalize_section(Name, undefined) -> {Name, undefined}; normalize_section(shebang, "#!" ++ Chars) -> - Chopped = string:strip(Chars, right, $\n), - Stripped = string:strip(Chopped, both), + Chopped = string:trim(Chars, trailing, "$\n"), + Stripped = string:trim(Chopped, both), if Stripped =:= ?SHEBANG -> {shebang, default}; @@ -233,8 +233,8 @@ normalize_section(shebang, "#!" ++ Chars) -> {shebang, Stripped} end; normalize_section(comment, Chars) -> - Chopped = string:strip(Chars, right, $\n), - Stripped = string:strip(string:strip(Chopped, left, $%), both), + Chopped = string:trim(Chars, trailing, "$\n"), + Stripped = string:trim(string:trim(Chopped, leading, "$%"), both), if Stripped =:= ?COMMENT -> {comment, default}; @@ -242,8 +242,8 @@ normalize_section(comment, Chars) -> {comment, Stripped} end; normalize_section(emu_args, "%%!" ++ Chars) -> - Chopped = string:strip(Chars, right, $\n), - Stripped = string:strip(Chopped, both), + Chopped = string:trim(Chars, trailing, "$\n"), + Stripped = string:trim(Chopped, both), {emu_args, Stripped}; normalize_section(Name, Chars) -> {Name, Chars}. diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index 898b2f5bba..b581a66a73 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -1717,7 +1717,7 @@ get_line(P, Default) -> line_string(Binary) when is_binary(Binary) -> unicode:characters_to_list(Binary); line_string(Other) -> Other. -nonl(S) -> string:strip(S, right, $\n). +nonl(S) -> string:trim(S, trailing, "$\n"). print_number(Tab, Key, Num) -> Os = ets:lookup(Tab, Key), @@ -1746,7 +1746,7 @@ do_display_item(_Height, Width, I, Opos) -> L = to_string(I), L2 = if length(L) > Width - 8 -> - string:substr(L, 1, Width-13) ++ " ..."; + string:slice(L, 0, Width-13) ++ " ..."; true -> L end, diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index 9bf4290916..63cfeae57b 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -1036,10 +1036,10 @@ basedir_linux(Type) -> user_log -> getenv("XDG_CACHE_HOME", ?basedir_linux_user_log, true); site_data -> Base = getenv("XDG_DATA_DIRS",?basedir_linux_site_data,false), - string:tokens(Base,":"); + string:lexemes(Base, ":"); site_config -> Base = getenv("XDG_CONFIG_DIRS",?basedir_linux_site_config,false), - string:tokens(Base,":") + string:lexemes(Base, ":") end. -define(basedir_darwin_user_data, "Library/Application Support"). diff --git a/lib/stdlib/src/io_lib_format.erl b/lib/stdlib/src/io_lib_format.erl index 4b2d15c8b3..e345810ca0 100644 --- a/lib/stdlib/src/io_lib_format.erl +++ b/lib/stdlib/src/io_lib_format.erl @@ -380,7 +380,7 @@ float_e(_Fl, {Ds,E}, P) -> {Fs,false} -> [Fs|float_exp(E-1)] end. -%% float_man([Digit], Icount, Dcount) -> {[Chars],CarryFlag}. +%% float_man([Digit], Icount, Dcount) -> {[Char],CarryFlag}. %% Generate the characters in the mantissa from the digits with Icount %% characters before the '.' and Dcount decimals. Handle carry and let %% caller decide what to do at top. @@ -395,7 +395,7 @@ float_man([D|Ds], I, Dc) -> {Cs,false} -> {[D|Cs],false} end; float_man([], I, Dc) -> %Pad with 0's - {string:chars($0, I, [$.|string:chars($0, Dc)]),false}. + {lists:duplicate(I, $0) ++ [$.|lists:duplicate(Dc, $0)],false}. float_man([D|_], 0) when D >= $5 -> {[],true}; float_man([_|_], 0) -> {[],false}; @@ -405,7 +405,7 @@ float_man([D|Ds], Dc) -> {Cs,true} -> {[D+1|Cs],false}; {Cs,false} -> {[D|Cs],false} end; -float_man([], Dc) -> {string:chars($0, Dc),false}. %Pad with 0's +float_man([], Dc) -> {lists:duplicate(Dc, $0),false}. %Pad with 0's %% float_exp(Exponent) -> [Char]. %% Generate the exponent of a floating point number. Always include sign. @@ -429,7 +429,7 @@ fwrite_f(Fl, F, Adj, P, Pad) when P >= 1 -> float_f(Fl, Fd, P) when Fl < 0.0 -> [$-|float_f(-Fl, Fd, P)]; float_f(Fl, {Ds,E}, P) when E =< 0 -> - float_f(Fl, {string:chars($0, -E+1, Ds),1}, P); %Prepend enough 0's + float_f(Fl, {lists:duplicate(-E+1, $0)++Ds,1}, P); %Prepend enough 0's float_f(_Fl, {Ds,E}, P) -> case float_man(Ds, E, P) of {Fs,true} -> "1" ++ Fs; %Handle carry @@ -751,7 +751,7 @@ adjust(Data, Pad, right) -> [Pad|Data]. flat_trunc(List, N) when is_integer(N), N >= 0 -> string:slice(List, 0, N). -%% A deep version of string:chars/2,3 +%% A deep version of lists:duplicate/2 chars(_C, 0) -> []; diff --git a/lib/stdlib/src/lib.erl b/lib/stdlib/src/lib.erl index c6eb0d7915..a7980cc294 100644 --- a/lib/stdlib/src/lib.erl +++ b/lib/stdlib/src/lib.erl @@ -646,7 +646,7 @@ pp_arguments(PF, As, I, Enc) -> Ll = length(L), A = list_to_atom(lists:duplicate(Ll, $a)), S0 = unicode:characters_to_list(PF([A | T], I+1), Enc), - brackets_to_parens([$[,L,string:sub_string(S0, 2+Ll)], Enc); + brackets_to_parens([$[,L,string:slice(S0, 1+Ll)], Enc); _ -> brackets_to_parens(PF(As, I+1), Enc) end. diff --git a/lib/stdlib/src/slave.erl b/lib/stdlib/src/slave.erl index 5b5c328c0c..264206b256 100644 --- a/lib/stdlib/src/slave.erl +++ b/lib/stdlib/src/slave.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2016. All Rights Reserved. +%% Copyright Ericsson AB 1996-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -320,7 +320,7 @@ mk_cmd(Host, Name, Args, Waiter, Prog0) -> %% emulator and flags as the test node. The return from lib:progname() %% could then typically be '//cerl -gcov'). quote_progname(Progname) -> - do_quote_progname(string:tokens(to_list(Progname)," ")). + do_quote_progname(string:lexemes(to_list(Progname)," ")). do_quote_progname([Prog]) -> "\""++Prog++"\""; -- cgit v1.2.3 From ccb3f7f9768d3c28783c771df47eec1829e51802 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Thu, 29 Jun 2017 12:36:25 +0200 Subject: Deprecate old string functions They should not be used. --- lib/stdlib/doc/src/string.xml | 396 +---------------------------- lib/stdlib/src/otp_internal.erl | 46 ++++ lib/stdlib/src/string.erl | 10 + lib/stdlib/uc_spec/gen_unicode_mod.escript | 24 +- 4 files changed, 71 insertions(+), 405 deletions(-) (limited to 'lib/stdlib') diff --git a/lib/stdlib/doc/src/string.xml b/lib/stdlib/doc/src/string.xml index 9d5edd9ecf..130fc74a28 100644 --- a/lib/stdlib/doc/src/string.xml +++ b/lib/stdlib/doc/src/string.xml @@ -109,10 +109,8 @@

This module has been reworked in Erlang/OTP 20 to handle unicode:chardata() and operate on grapheme - clusters. The old - functions that only work on Latin-1 lists as input - are still available but should not be - used. They will be deprecated in Erlang/OTP 21. + clusters. The old functions that only work on Latin-1 lists as input + are kept for backwards compatibility reasons but should not be used.

@@ -594,7 +592,7 @@ ÖÄÅ or both, indicates from which direction characters are to be removed.

-

Default Characters are the set of +

Default Characters is the set of nonbreakable whitespace codepoints, defined as Pattern_White_Space in Unicode Standard Annex #31. @@ -631,393 +629,5 @@ ÖÄÅ - -

- - Obsolete API functions -

Here follows the function of the old API. - These functions only work on a list of Latin-1 characters. -

-

- The functions are kept for backward compatibility, but are - not recommended. - They will be deprecated in Erlang/OTP 21. -

-

Any undocumented functions in string are not to be used.

- -
- - - - - - Center a string. - -

Returns a string, where String is centered in the - string and surrounded by blanks or Character. - The resulting string has length Number.

-

This function is obsolete. - Use - pad/3. -

- - - - - - - Return a string consisting of numbers of characters. - -

Returns a string consisting of Number characters - Character. Optionally, the string can end with - string Tail.

-

This function is obsolete. - Use - lists:duplicate/2.

- - - - - - Return the index of the first occurrence of - a character in a string. - -

Returns the index of the first occurrence of - Character in String. Returns - 0 if Character does not occur.

-

This function is obsolete. - Use - find/2.

- - - - - - Concatenate two strings. - -

Concatenates String1 and - String2 to form a new string - String3, which is returned.

-

- This function is obsolete. - Use [String1, String2] as - Data argument, and call - - unicode:characters_to_list/2 or - - unicode:characters_to_binary/2 - to flatten the output. -

- - - - - - Copy a string. - -

Returns a string containing String repeated - Number times.

-

This function is obsolete. - Use - lists:duplicate/2.

- - - - - - Span characters at start of a string. - -

Returns the length of the maximum initial segment of - String, which consists entirely of characters - not from Chars.

-

This function is obsolete. - Use - take/3.

-

Example:

- -> string:cspan("\t abcdef", " \t"). -0 - - - - - - Join a list of strings with separator. - -

Returns a string with the elements of StringList - separated by the string in Separator.

-

This function is obsolete. - Use - lists:join/2.

-

Example:

- -> join(["one", "two", "three"], ", "). -"one, two, three" - - - - - - - Adjust left end of a string. - -

Returns String with the length adjusted in - accordance with Number. The left margin is - fixed. If length(String) < - Number, then String is padded - with blanks or Characters.

-

This function is obsolete. - Use - pad/2 or - pad/3.

-

Example:

- -> string:left("Hello",10,$.). -"Hello....." - - - - - - Return the length of a string. - -

Returns the number of characters in String.

-

This function is obsolete. - Use - length/1.

- - - - - - Return the index of the last occurrence of - a character in a string. - -

Returns the index of the last occurrence of - Character in String. Returns - 0 if Character does not occur.

-

This function is obsolete. - Use - find/3.

- - - - - - - Adjust right end of a string. - -

Returns String with the length adjusted in - accordance with Number. The right margin is - fixed. If the length of (String) < - Number, then String is padded - with blanks or Characters.

-

This function is obsolete. - Use - pad/3.

-

Example:

- -> string:right("Hello", 10, $.). -".....Hello" - - - - - - Find the index of a substring. - -

Returns the position where the last occurrence of - SubString begins in String. - Returns 0 if SubString - does not exist in String.

-

This function is obsolete. - Use - find/3.

-

Example:

- -> string:rstr(" Hello Hello World World ", "Hello World"). -8 - - - - - - Span characters at start of a string. - -

Returns the length of the maximum initial segment of - String, which consists entirely of characters - from Chars.

-

This function is obsolete. - Use - take/2.

-

Example:

- -> string:span("\t abcdef", " \t"). -5 - - - - - - Find the index of a substring. - -

Returns the position where the first occurrence of - SubString begins in String. - Returns 0 if SubString - does not exist in String.

-

This function is obsolete. - Use - find/2.

-

Example:

- -> string:str(" Hello Hello World World ", "Hello World"). -8 - - - - - - - - Strip leading or trailing characters. - -

Returns a string, where leading or trailing, or both, blanks or a - number of Character have been removed. - Direction, which can be left, right, - or both, indicates from which direction blanks are to be - removed. strip/1 is equivalent to - strip(String, both).

-

This function is obsolete. - Use - trim/3.

-

Example:

- -> string:strip("...Hello.....", both, $.). -"Hello" - - - - - - - Extract a substring. - -

Returns a substring of String, starting at - position Start to the end of the string, or to - and including position Stop.

-

This function is obsolete. - Use - slice/3.

-

Example:

- -sub_string("Hello World", 4, 8). -"lo Wo" - - - - - - - Return a substring of a string. - -

Returns a substring of String, starting at - position Start, and ending at the end of the - string or at length Length.

-

This function is obsolete. - Use - slice/3.

-

Example:

- -> substr("Hello World", 4, 5). -"lo Wo" - - - - - - - Extract subword. - -

Returns the word in position Number of - String. Words are separated by blanks or - Characters.

-

This function is obsolete. - Use - nth_lexeme/3.

-

Example:

- -> string:sub_word(" Hello old boy !",3,$o). -"ld b" - - - - - - - - - Convert case of string (ISO/IEC 8859-1). - - - - - -

The specified string or character is case-converted. Notice that - the supported character set is ISO/IEC 8859-1 (also called Latin 1); - all values outside this set are unchanged

-

This function is obsolete use - lowercase/1, - uppercase/1, - titlecase/1 or - casefold/1.

- - - - - - Split string into tokens. - -

Returns a list of tokens in String, separated - by the characters in SeparatorList.

-

Example:

- -> tokens("abc defxxghix jkl", "x "). -["abc", "def", "ghi", "jkl"] -

Notice that, as shown in this example, two or more - adjacent separator characters in String - are treated as one. That is, there are no empty - strings in the resulting list of tokens.

-

This function is obsolete. - Use - lexemes/2.

- - - - - - - Count blank separated words. - -

Returns the number of words in String, separated - by blanks or Character.

-

This function is obsolete. - Use - lexemes/2.

-

Example:

- -> words(" Hello old boy!", $o). -4 - - - - -
- Notes -

Some of the general string functions can seem to overlap each - other. The reason is that this string package is the - combination of two earlier packages and all functions of - both packages have been retained.

-
- diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl index 9e9c0dc413..b547657a7f 100644 --- a/lib/stdlib/src/otp_internal.erl +++ b/lib/stdlib/src/otp_internal.erl @@ -615,6 +615,52 @@ obsolete_1(filename, find_src, 2) -> obsolete_1(erlang, hash, 2) -> {removed, {erlang, phash2, 2}, "20.0"}; +%% Added in OTP-21 +obsolete_1(string, len, 1) -> + {deprecated, "deprecated; use string:length/3 instead"}; +obsolete_1(string, concat, 2) -> + {deprecated, "deprecated; use [Str1,Str2] instead"}; +obsolete_1(string, str, 2) -> + {deprecated, "deprecated; use string:find/2 instead"}; +obsolete_1(string, rstr, 2) -> + {deprecated, "deprecated; use string:find/3 instead"}; +obsolete_1(string, chr, 2) -> + {deprecated, "deprecated; use string:find/2 instead"}; +obsolete_1(string, rchr, 2) -> + {deprecated, "deprecated; use string:find/3 instead"}; +obsolete_1(string, span, 2) -> + {deprecated, "deprecated; use string:take/2 instead"}; +obsolete_1(string, cspan, 2) -> + {deprecated, "deprecated; use string:take/3 instead"}; +obsolete_1(string, substr, _) -> + {deprecated, "deprecated; use string:slice/3 instead"}; +obsolete_1(string, tokens, 2) -> + {deprecated, "deprecated; use string:lexemes/2 instead"}; +obsolete_1(string, chars, _) -> + {deprecated, "deprecated; use lists:duplicate/2 instead"}; +obsolete_1(string, copies, _) -> + {deprecated, "deprecated; use lists:duplicate/2 instead"}; +obsolete_1(string, words, _) -> + {deprecated, "deprecated; use string:lexemes/2 instead"}; +obsolete_1(string, strip, _) -> + {deprecated, "deprecated; use string:trim/3 instead"}; +obsolete_1(string, sub_word, _) -> + {deprecated, "deprecated; use string:nth_lexeme/3 instead"}; +obsolete_1(string, sub_string, _) -> + {deprecated, "deprecated; use string:slice/3 instead"}; +obsolete_1(string, left, _) -> + {deprecated, "deprecated; use string:pad/3 instead"}; +obsolete_1(string, right, _) -> + {deprecated, "deprecated; use string:pad/3 instead"}; +obsolete_1(string, centre, _) -> + {deprecated, "deprecated; use string:pad/3 instead"}; +obsolete_1(string, join, _) -> + {deprecated, "deprecated; use lists:join/2 instead"}; +obsolete_1(string, to_upper, _) -> + {deprecated, "deprecated; use string:uppercase/1 or string:titlecase/1 instead"}; +obsolete_1(string, to_lower, _) -> + {deprecated, "deprecated; use string:lowercase/1 or string:casefold/1 instead"}; + %% not obsolete obsolete_1(_, _, _) -> diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl index 4972da297d..5a4d2df2a6 100644 --- a/lib/stdlib/src/string.erl +++ b/lib/stdlib/src/string.erl @@ -87,6 +87,16 @@ %%% May be removed -export([list_to_float/1, list_to_integer/1]). +-deprecated([{len,1},{concat,2}, + {str,2},{chr,2},{rchr,2},{rstr,2}, + {span,2},{cspan,2},{substr,'_'},{tokens,2}, + {chars,'_'}, + {copies,2},{words,'_'},{strip,'_'}, + {sub_word,'_'},{left,'_'},{right,'_'}, + {sub_string,'_'},{centre,'_'},{join,2}, + {to_upper,1}, {to_lower,1} + ]). + %% Uses bifs: string:list_to_float/1 and string:list_to_integer/1 -spec list_to_float(String) -> {Float, Rest} | {'error', Reason} when String :: string(), diff --git a/lib/stdlib/uc_spec/gen_unicode_mod.escript b/lib/stdlib/uc_spec/gen_unicode_mod.escript index fefd7d3b70..0b32852b6e 100755 --- a/lib/stdlib/uc_spec/gen_unicode_mod.escript +++ b/lib/stdlib/uc_spec/gen_unicode_mod.escript @@ -65,7 +65,7 @@ main(_) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% parse_unicode_data(Line0, Acc) -> - Line = string:strip(Line0, right, $\n), + Line = string:chomp(Line0), [CodePoint,Name,_Cat,Class,_BiDi,Decomp, _N1,_N2,_N3,_BDMirror,_Uni1,_Iso|Case] = tokens(Line, ";"), {Dec,Comp} = case to_decomp(Decomp) of @@ -78,14 +78,14 @@ parse_unicode_data(Line0, Acc) -> |Acc]. to_class(String) -> - list_to_integer(string:strip(String, both)). + list_to_integer(string:trim(String, both)). to_decomp("") -> []; to_decomp("<" ++ Str) -> - [Tag,Rest] = string:tokens(Str, ">"), + [Tag,Rest] = string:lexemes(Str, ">"), {list_to_atom(Tag), to_decomp(Rest)}; to_decomp(CodePoints) -> - CPL = string:tokens(CodePoints, " "), + CPL = string:lexemes(CodePoints, " "), [hex_to_int(CP) || CP <- CPL]. to_case(["","",""]) -> []; @@ -105,20 +105,20 @@ parse_special_casing(Line, Table) -> array:set(CP, Entry#cp{cs=Case}, Table). to_scase([Lower,Title,Upper|_]) -> - {unlist([hex_to_int(CP) || CP <- string:strip(string:tokens(Upper, " "), both)]), - unlist([hex_to_int(CP) || CP <- string:strip(string:tokens(Lower, " "), both)]), - unlist([hex_to_int(CP) || CP <- string:strip(string:tokens(Title, " "), both)]), + {unlist([hex_to_int(CP) || CP <- string:lexemes(Upper, " ")]), + unlist([hex_to_int(CP) || CP <- string:lexemes(Lower, " ")]), + unlist([hex_to_int(CP) || CP <- string:lexemes(Title, " ")]), []}. parse_case_folding(Line, Table) -> [CodePoint, Class0, CaseStr |_Comments] = tokens(Line, ";"), - Class = string:strip(Class0, both), + Class = string:trim(Class0, both), if Class =:= "T" -> Table; %% Do not support localization yet Class =:= "S" -> Table; %% Ignore simple true -> CP = hex_to_int(CodePoint), Case = unlist([hex_to_int(CPC) || - CPC <- string:strip(string:tokens(CaseStr, " "), both)]), + CPC <- string:lexemes(CaseStr, " ")]), #cp{cs={U,L,T,_}} = Entry = array:get(CP, Table), array:set(CP, Entry#cp{cs={U,L,T,Case}}, Table) end. @@ -869,10 +869,10 @@ optimize_ranges_1(Rs) -> hex_to_int([]) -> []; hex_to_int(HexStr) -> - list_to_integer(string:strip(HexStr, both), 16). + list_to_integer(string:trim(HexStr, both), 16). to_atom(Str) -> - list_to_atom(string:to_lower(string:strip(Str, both))). + list_to_atom(string:lowercase(string:trim(Str, both))). foldl(Fun, Acc, Fd) -> Get = fun() -> file:read_line(Fd) end, @@ -892,7 +892,7 @@ foldl_1(Fun, Acc, Get) -> -%% Differs from string:tokens, it returns empty string as token between two delimiters +%% Differs from string:lexemes, it returns empty string as token between two delimiters tokens(S, [C]) -> tokens(lists:reverse(S), C, []). -- cgit v1.2.3