content: /*
   * Copyright 2012-2021 Aerospike, Inc.
   *
   * Portions may be licensed to Aerospike, Inc. under one or more contributor
   * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0.
   *
   * 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.
   */
  package com.aerospike.client.lua;
  
  import org.luaj.vm2.LuaBoolean;
  import org.luaj.vm2.LuaTable;
  import org.luaj.vm2.LuaValue;
  import org.luaj.vm2.lib.OneArgFunction;
  import org.luaj.vm2.lib.TwoArgFunction;
  
  public final class LuaStreamLib extends OneArgFunction {
  
  	private final LuaInstance instance;
  
  	public LuaStreamLib(LuaInstance instance) {
  		this.instance = instance;
  	}
  
  	public LuaValue call(LuaValue env) {
  		LuaTable meta = new LuaTable(0,1);
  		meta.set("__tostring", new tostring());
  
  		LuaTable table = new LuaTable(0,10);
  		table.setmetatable(meta);
  		table.set("read", new read());
  		table.set("readable", new readable());
  		table.set("writeable", new writeable());
  		table.set("write", new write());
  
  		instance.registerPackage("stream", table);
  		return table;
  	}
  
  	public static final class tostring extends OneArgFunction {
  		@Override
  		public LuaValue call(LuaValue arg) {
  			LuaStream stream = (LuaStream)arg;
  			return stream.toLuaString();
  		}
  	}
  
  	public static final class read extends OneArgFunction {
  		@Override
  		public LuaValue call(LuaValue arg) {
  			LuaStream stream = (LuaStream)arg;
  			return stream.read();
  		}
  	}
  
  	public static final class readable extends OneArgFunction {
  		@Override
  		public LuaValue call(LuaValue arg) {
  			LuaStream stream = (LuaStream)arg;
  			return LuaBoolean.valueOf(stream.readable());
  		}
  	}
  
  	public static final class writeable extends OneArgFunction {
  		@Override
  		public LuaValue call(LuaValue arg) {
  			LuaStream stream = (LuaStream)arg;
  			return LuaBoolean.valueOf(stream.writeable());
  		}
  	}
  
  	public static final class write extends TwoArgFunction {
  		@Override
  		public LuaValue call(LuaValue arg1, LuaValue arg2) {
  			LuaStream stream = (LuaStream)arg1;
  			stream.write(arg2);
  			return NIL;
  		}
  	}
  }
  