/modules/mod_base/filters/filter_capfirst.erl
https://code.google.com/p/zotonic/ · Erlang · 30 lines · 8 code · 6 blank · 16 comment · 0 complexity · 36c002eadf5245b8c980eccf0685ebce MD5 · raw file
- %% @author Marc Worrell <marc@worrell.nl>
- %% @copyright 2010 Marc Worrell
- %% @doc 'capfirst' filter, capitalize the first character
- %% Copyright 2010 Marc Worrell
- %%
- %% Licensed under the Apache License, Version 2.0 (the "License");
- %% you may not use this file except in compliance with the License.
- %% You may obtain a copy of the License at
- %%
- %% http://www.apache.org/licenses/LICENSE-2.0
- %%
- %% Unless required by applicable law or agreed to in writing, software
- %% distributed under the License is distributed on an "AS IS" BASIS,
- %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- %% See the License for the specific language governing permissions and
- %% limitations under the License.
- -module(filter_capfirst).
- -export([capfirst/2]).
- capfirst(undefined, _Context) ->
- undefined;
- capfirst([H|T], _Context) when H >= $a andalso H =< $z ->
- [H + $A - $a | T];
- capfirst(<<Byte:8/integer, Binary/binary>>, _Context) when Byte >= $a andalso Byte =< $z ->
- [<<(Byte + $A - $a)>>, Binary].