content: /*
   * MIT License
   *
   * Copyright (c) 2018 Alibaba Group
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.tmall.wireless.vaf.virtualview.loader;
  
  import android.util.Log;
  
  import com.libra.expr.common.ExprCode;
  
  import java.util.concurrent.ConcurrentHashMap;
  
  /**
   * Created by gujicheng on 16/9/12.
   */
  public class ExprCodeLoader {
      private final static String TAG = "CodeManager_TMTEST";
  
      private ConcurrentHashMap<Integer, ExprCode> mCodeMap = new ConcurrentHashMap();
  
      public void reset() {
      }
  
      public ExprCode get(int index) {
          return mCodeMap.get(index);
      }
  
      public boolean loadFromBuffer(CodeReader reader, int pageId) {
          boolean ret = true;
          int totalSize = reader.getMaxSize();
          int count = reader.readInt();
          for (int k = 0; k < count; ++k) {
              int index = reader.readInt();
              int len = reader.readShort();
              int pos = reader.getPos();
              if (pos + len <= totalSize) {
                  byte[] codes = reader.getCode();
                  ExprCode c = new ExprCode(codes, pos, len);
                  mCodeMap.put(index, c);
                  reader.seekBy(len);
              } else {
                  Log.e(TAG, "read string over");
                  ret = false;
                  break;
              }
          }
          return ret;
      }
  }
  