CParseLiteral.java

  1. /*
  2.  * @cond LICENSE
  3.  * ######################################################################################
  4.  * # LGPL License                                                                       #
  5.  * #                                                                                    #
  6.  * # This file is part of the LightJason AgentSpeak(L++)                                #
  7.  * # Copyright (c) 2015-19, LightJason (info@lightjason.org)                            #
  8.  * # This program is free software: you can redistribute it and/or modify               #
  9.  * # it under the terms of the GNU Lesser General Public License as                     #
  10.  * # published by the Free Software Foundation, either version 3 of the                 #
  11.  * # License, or (at your option) any later version.                                    #
  12.  * #                                                                                    #
  13.  * # This program is distributed in the hope that it will be useful,                    #
  14.  * # but WITHOUT ANY WARRANTY; without even the implied warranty of                     #
  15.  * # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                      #
  16.  * # GNU Lesser General Public License for more details.                                #
  17.  * #                                                                                    #
  18.  * # You should have received a copy of the GNU Lesser General Public License           #
  19.  * # along with this program. If not, see http://www.gnu.org/licenses/                  #
  20.  * ######################################################################################
  21.  * @endcond
  22.  */

  23. package org.lightjason.agentspeak.action.builtin.generic.type;

  24. import org.lightjason.agentspeak.language.CLiteral;
  25. import org.lightjason.agentspeak.language.CRawTerm;
  26. import org.lightjason.agentspeak.language.ITerm;

  27. import javax.annotation.Nonnull;
  28. import java.util.AbstractMap;
  29. import java.util.Map;


  30. /**
  31.  * action for parsing a integer from string.
  32.  * Parses each argument to a integer point value
  33.  * and returns the value, the action fails on
  34.  * parsing errors
  35.  *
  36.  * {@code [X|Y|Z] = generic/type/parseliteral( "foo(5)", [ "bar(foo('abcd')", "xxx()[source(3)]" ] );}
  37.  */
  38. public final class CParseLiteral extends IParse
  39. {
  40.     /**
  41.      * serial id
  42.      */
  43.     private static final long serialVersionUID = -619484136191200817L;

  44.     /**
  45.      * parses the input string
  46.      *
  47.      * @param p_value string value
  48.      * @return tuple with boolean (for parsing error) and term
  49.      */
  50.     @Nonnull
  51.     protected final Map.Entry<Boolean, ITerm> parse( @Nonnull final String p_value )
  52.     {
  53.         try
  54.         {
  55.             return new AbstractMap.SimpleImmutableEntry<>( true, CRawTerm.from( CLiteral.parse( p_value ) ) );
  56.         }
  57.         catch ( final Exception l_exception )
  58.         {
  59.             return new AbstractMap.SimpleImmutableEntry<>( false, CRawTerm.from( null ) );
  60.         }
  61.     }

  62. }