diff options
Diffstat (limited to 'lib/stdlib/src/string.erl')
| -rw-r--r-- | lib/stdlib/src/string.erl | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/lib/stdlib/src/string.erl b/lib/stdlib/src/string.erl index a0fa60fbc7..4972da297d 100644 --- a/lib/stdlib/src/string.erl +++ b/lib/stdlib/src/string.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. @@ -384,7 +384,7 @@ to_float(String) -> end. to_number(String, Number, Rest, List, _Tail) when is_binary(String) -> - BSz = length(List)-length(Rest), + BSz = erlang:length(List)-erlang:length(Rest), <<_:BSz/binary, Cont/binary>> = String, {Number, Cont}; to_number(_, Number, Rest, _, Tail) -> @@ -486,12 +486,14 @@ find(String, SearchPattern, trailing) -> %% Fetch first codepoint and return rest in tail -spec next_grapheme(String::unicode:chardata()) -> - maybe_improper_list(grapheme_cluster(),unicode:chardata()). + maybe_improper_list(grapheme_cluster(),unicode:chardata()) | + {error,unicode:chardata()}. next_grapheme(CD) -> unicode_util:gc(CD). %% Fetch first grapheme cluster and return rest in tail -spec next_codepoint(String::unicode:chardata()) -> - maybe_improper_list(char(),unicode:chardata()). + maybe_improper_list(char(),unicode:chardata()) | + {error,unicode:chardata()}. next_codepoint(CD) -> unicode_util:cp(CD). %% Internals @@ -508,7 +510,7 @@ equal_1(A0,B0) -> case {unicode_util:cp(A0), unicode_util:cp(B0)} of {[CP|A],[CP|B]} -> equal_1(A,B); {[], []} -> true; - _ -> false + {L1,L2} when is_list(L1), is_list(L2) -> false end. equal_nocase(A, A) -> true; @@ -517,7 +519,7 @@ equal_nocase(A0, B0) -> unicode_util:cp(unicode_util:casefold(B0))} of {[CP|A],[CP|B]} -> equal_nocase(A,B); {[], []} -> true; - _ -> false + {L1,L2} when is_list(L1), is_list(L2) -> false end. equal_norm(A, A, _Norm) -> true; @@ -526,7 +528,7 @@ equal_norm(A0, B0, Norm) -> unicode_util:cp(unicode_util:Norm(B0))} of {[CP|A],[CP|B]} -> equal_norm(A,B, Norm); {[], []} -> true; - _ -> false + {L1,L2} when is_list(L1), is_list(L2) -> false end. equal_norm_nocase(A, A, _Norm) -> true; @@ -535,7 +537,7 @@ equal_norm_nocase(A0, B0, Norm) -> unicode_util:cp(unicode_util:casefold(unicode_util:Norm(B0)))} of {[CP|A],[CP|B]} -> equal_norm_nocase(A,B, Norm); {[], []} -> true; - _ -> false + {L1,L2} when is_list(L1), is_list(L2) -> false end. reverse_1(CD, Acc) -> @@ -1342,7 +1344,7 @@ bin_search_str(Bin0, Start, Cont, [CP|_]=SearchCPs) -> String :: string(), Length :: non_neg_integer(). -len(S) -> length(S). +len(S) -> erlang:length(S). %% equal(String1, String2) %% Test if 2 strings are equal. @@ -1687,7 +1689,7 @@ left(String, Len) when is_integer(Len) -> left(String, Len, $\s). Character :: char(). left(String, Len, Char) when is_integer(Char) -> - Slen = length(String), + Slen = erlang:length(String), if Slen > Len -> substr(String, 1, Len); Slen < Len -> l_pad(String, Len-Slen, Char); @@ -1712,7 +1714,7 @@ right(String, Len) when is_integer(Len) -> right(String, Len, $\s). Character :: char(). right(String, Len, Char) when is_integer(Char) -> - Slen = length(String), + Slen = erlang:length(String), if Slen > Len -> substr(String, Slen-Len+1); Slen < Len -> r_pad(String, Len-Slen, Char); @@ -1739,7 +1741,7 @@ centre(String, Len) when is_integer(Len) -> centre(String, Len, $\s). centre(String, 0, Char) when is_list(String), is_integer(Char) -> []; % Strange cases to centre string centre(String, Len, Char) when is_integer(Char) -> - Slen = length(String), + Slen = erlang:length(String), if Slen > Len -> substr(String, (Slen-Len) div 2 + 1, Len); Slen < Len -> |