JsonParser.java

/*
** Module   : JsonParser.java
** Abstract : Implementation of the Progress.Json.JsonParser builtin class.
**
** Copyright (c) 2018-2023, Golden Code Development Corporation.
**
** -#- -I- --Date-- -------------------------------Description--------------------------------
** 001 OM  20181218 First version.
** 002 GES 20190307 Added implementation and javadoc.
** 003 CA  20190423 Added LegacyResource annotation.
** 004 CA  20190527 Added annotations for property accessors and class event methods.
** 005 CA  20191024 Added method support levels and updated the class support level.
** 006 ME  20210114 Added on error undo, throw.
** 007 CA  20210221 Fixed 'qualified', 'extent' and 'returns' annotations at the legacy
**                  signature.
** 008 CA  20231113 The 'execute' method must be annotated with LegacySignature Type.Execute, and also can be
**                  dropped if is a no-op.
*/

/*
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
**
** You may find a copy of the GNU Affero GPL version 3 at the following
** location: https://www.gnu.org/licenses/agpl-3.0.en.html
**
** Additional terms under GNU Affero GPL version 3 section 7:
**
**   Under Section 7 of the GNU Affero GPL version 3, the following additional
**   terms apply to the works covered under the License.  These additional terms
**   are non-permissive additional terms allowed under Section 7 of the GNU
**   Affero GPL version 3 and may not be removed by you.
**
**   0. Attribution Requirement.
**
**     You must preserve all legal notices or author attributions in the covered
**     work or Appropriate Legal Notices displayed by works containing the covered
**     work.  You may not remove from the covered work any author or developer
**     credit already included within the covered work.
**
**   1. No License To Use Trademarks.
**
**     This license does not grant any license or rights to use the trademarks
**     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
**     of Golden Code Development Corporation. You are not authorized to use the
**     name Golden Code, FWD, or the names of any author or contributor, for
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**
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**     You may not represent yourself as Golden Code Development Corporation or FWD.
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**     the covered work, without written authorization.
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**     versions of the covered work must be marked in a reasonable way to make it
**     clear that the modified work is not originating from Golden Code Development
**     Corporation or FWD.  All modified versions must contain the notices of
**     attribution required in this license.
*/

package com.goldencode.p2j.oo.json;

import com.goldencode.p2j.util.*;
import com.goldencode.p2j.util.BlockManager.Action;
import com.goldencode.p2j.util.BlockManager.Condition;
import com.goldencode.p2j.oo.lang.*;

import static com.goldencode.p2j.util.BlockManager.*;
import static com.goldencode.p2j.report.ReportConstants.*;
import static com.goldencode.p2j.util.InternalEntry.Type;

/**
 * Implementation of the Progress.Json.JsonParser builtin class.
 */
@LegacyResource(resource = "Progress.Json.JsonParser")
@LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
public abstract class JsonParser
extends BaseObject
{
   /** Ignore comments flag. */
   private logical ignoreComments = UndoableFactory.logical();

   /**
    * Default external procedure method which exists to ensure that any
    * long lived resources can be initialized properly.
    */
   @LegacySignature(type = Type.EXECUTE)
   public void __json_JsonParser_execute__()
   {
      onBlockLevel(Condition.ERROR, Action.THROW);
   }

   /**
    * Method to duplicate the default constructor.
    * <p>
    * The original 4GL version had a private access mode.
    * <p>
    * Some Progress builtin classes have all constructors with private access mode but are
    * subclassed.  Since child classes must be able to reference at least one "constructor"
    * directly, this should be impossible.  This must be some kind of special case hidden
    * inside the OO4GL implmentation.  In Java the method must be public.
    */
   @LegacySignature(type = Type.CONSTRUCTOR)
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
   public void __json_JsonParser_constructor__()
   {
      internalProcedure(this, "__json_JsonParser_constructor__", new Block((Body) () -> 
      {
         __lang_BaseObject_constructor__();
      }));
   }

   /**
    * Reads the ignore comments flag.
    *
    * @return   {@code true} if comments should be ignored.
    */
   @LegacySignature(returns = "LOGICAL", type = Type.GETTER, name = "IgnoreComments")
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
   public logical getIgnoreComments()
   {
      return function(this, "IgnoreComments", logical.class, new Block((Body) () -> 
      {
         returnNormal(ignoreComments);
      }));
   }

   /**
    * Sets the ignore comments flag.
    *
    * @param    _var
    *           {@code true} if comments should be ignored.
    */
   @LegacySignature(type = Type.SETTER, name = "IgnoreComments", parameters = 
   {
      @LegacyParameter(name = "var", type = "LOGICAL", mode = "INPUT")
   })
   @LegacyResourceSupport(supportLvl = CVT_LVL_FULL|RT_LVL_FULL)
   public void setIgnoreComments(final logical _var)
   {
      logical var = TypeFactory.initInput(_var);
      
      internalProcedure(this, "IgnoreComments", new Block((Body) () -> 
      {
         ignoreComments.assign(var);
      }));
   }
}