shadowsocks-windows/shadowsocks-csharp/3rd/zxing/common/ECI.cs

/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
namespace ZXing.Common
{

   /// <summary> Superclass of classes encapsulating types ECIs, according to "Extended Channel Interpretations"
   /// 5.3 of ISO 18004.
   /// 
   /// </summary>
   /// <author>  Sean Owen
   /// </author>
   /// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source 
   /// </author>
   public abstract class ECI
   {
      virtual public int Value
      {
         get
         {
            return value_Renamed;
         }

      }

      //UPGRADE_NOTE: Final was removed from the declaration of 'value '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"
      private int value_Renamed;

      internal ECI(int value_Renamed)
      {
         this.value_Renamed = value_Renamed;
      }

      /// <param name="value">ECI value
      /// </param>
      /// <returns> {@link ECI} representing ECI of given value, or null if it is legal but unsupported
      /// </returns>
      /// <throws>  IllegalArgumentException if ECI value is invalid </throws>
      public static ECI getECIByValue(int value_Renamed)
      {
         if (value_Renamed < 0 || value_Renamed > 999999)
         {
            throw new System.ArgumentException("Bad ECI value: " + value_Renamed);
         }
         if (value_Renamed < 900)
         {
            // Character set ECIs use 000000 - 000899
            return CharacterSetECI.getCharacterSetECIByValue(value_Renamed);
         }
         return null;
      }
   }
}