casa6

/*

 * ALMA - Atacama Large Millimeter Array

 * (c) European Southern Observatory, 2002

 * (c) Associated Universities Inc., 2002

 * Copyright by ESO (in the framework of the ALMA collaboration),

 * Copyright by AUI (in the framework of the ALMA collaboration),

 * All rights reserved.

 * 

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 * 

 * This library 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

 * Lesser General Public License for more details.

 * 

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,

 * MA 02111-1307  USA

 *

 * File EntityId.cpp

 */

//#define _POSIX_C_SOURCE

​

#ifndef WITHOUT_BOOST

#include <boost/regex.hpp>

#else

#include <regex>

#endif

​

#include <alma/ASDM/EntityId.h>

#include <alma/ASDM/OutOfBoundsException.h>

#include <alma/ASDM/InvalidArgumentException.h>

using namespace std;

​

namespace asdm {

​

  static bool EntityIdVerbose = getenv("ASDM_DEBUG") != NULL;

​

  EntityId EntityId::getEntityId(StringTokenizer &t) {

    try {

      string value = t.nextToken();

      return EntityId (value);

    } catch (const OutOfBoundsException &err) {

      throw InvalidArgumentException("Unexpected end-of-string!");

    }

  }

  /**

   * Returns a null string if the string x contains a valid

   * entity-id.  Otherwise, the string contains the error message.

   */

  string EntityId::validate(string x) {

​

    if (EntityIdVerbose) 

      cout << "EntityId::validate. Validating '" << x << "'." << endl;   

​

    // Here we use the boost machinery for the regular expressions, assuming its thread safety.

    // std::regex (optionally used here) is as thread-safe in this context

​