interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/lib/OSCRegexp.cpp

   1 /*
   2
   3   Copyright (C) 2010  Grame
   4
   5   This library is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU Lesser General Public
   7   License as published by the Free Software Foundation; either
   8   version 2.1 of the License, or (at your option) any later version.
   9
  10   This library is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   Lesser General Public License for more details.
  14
  15   You should have received a copy of the GNU Lesser General Public
  16   License along with this library; if not, write to the Free Software
  17   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19   Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
  20   research@grame.fr
  21
  22 */
  23
  24 #include "OSCRegexp.h"
  25
  26 namespace oscfaust
  27 {
  28
  29 //--------------------------------------------------------------------------
  30 OSCRegexp::OSCRegexp (const char* oscre) : fRegexp (OSCRe2Re(oscre).c_str()) {}
  31
  32 //--------------------------------------------------------------------------
  33 // translates an OSC regexp into a regexp
  34 // see OSC documentation
  35 std::string OSCRegexp::OSCRe2Re (const char* re)
  36 {
  37         std::string outstr;
  38         bool inlist = false;
  39         while (*re) {
  40                 switch (*re) {
  41                         case '{':       outstr += '('; inlist = true; break;
  42                         case ',':       outstr += (inlist ? '|' : ','); break;
  43                         case '}':       outstr += ')'; inlist = false; break;
  44                         case '*':       outstr += ".*"; break;
  45                         case '?':       outstr += '.'; break;
  46                         default:        outstr += *re;
  47                 }
  48                 re++;
  49         }
  50         return outstr;
  51 }
  52
  53 //--------------------------------------------------------------------------
  54 bool OSCRegexp::match (const char* str) const
  55 {
  56         return fRegexp.MatchExact(str);
  57 }
  58
  59 }