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xmpp.chapril.org-ejabberd/src/ejabberd_regexp.erl
2012-02-23 17:52:34 +02:00

73 lines
2.3 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : ejabberd_regexp.erl
%%% Author : Badlop
%%% Purpose : Frontend to Re and Regexp OTP modules
%%% Created : 8 Dec 2011 by Badlop
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2012 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License
%%% along with this program; if not, write to the Free Software
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_regexp).
-compile([export_all]).
exec(ReM, ReF, ReA, RgM, RgF, RgA) ->
try apply(ReM, ReF, ReA)
catch
error:undef ->
apply(RgM, RgF, RgA);
A:B ->
{error, {A, B}}
end.
run(String, Regexp) ->
case exec(re, run, [String, Regexp, [{capture, none}]], regexp, first_match, [String, Regexp]) of
{match, _, _} -> match;
{match, _} -> match;
match -> match;
nomatch -> nomatch;
{error, Error} -> {error, Error}
end.
split(String, Regexp) ->
case exec(re, split, [String, Regexp, [{return, list}]], regexp, split, [String, Regexp]) of
{ok, FieldList} -> FieldList;
{error, Error} -> throw(Error);
A -> A
end.
replace(String, Regexp, New) ->
case exec(re, replace, [String, Regexp, New, [{return, list}]], regexp, sub, [String, Regexp, New]) of
{ok, NewString, _RepCount} -> NewString;
{error, Error} -> throw(Error);
A -> A
end.
greplace(String, Regexp, New) ->
case exec(re, replace, [String, Regexp, New, [global, {return, list}]], regexp, sub, [String, Regexp, New]) of
{ok, NewString, _RepCount} -> NewString;
{error, Error} -> throw(Error);
A -> A
end.
sh_to_awk(ShRegExp) ->
case exec(xmerl_regexp, sh_to_awk, [ShRegExp], regexp, sh_to_awk, [ShRegExp]) of
A -> A
end.