/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.env;
import java.util.IdentityHashMap;
import java.util.Map;
import java.util.logging.Logger;
import com.caucho.quercus.Location;
/**
* Represents a PHP array value.
*/
public class CopyArrayValue extends ArrayValue {
private static final Logger log
= Logger.getLogger(CopyArrayValue.class.getName());
private final ConstArrayValue _constArray;
private ArrayValue _copyArray;
public CopyArrayValue(ConstArrayValue constArray)
{
_constArray = constArray;
}
/**
* Converts to a boolean.
*/
public boolean toBoolean()
{
if (_copyArray != null)
return _copyArray.toBoolean();
else
return _constArray.toBoolean();
}
/**
* Copy for assignment.
*/
public Value copy()
{
if (_copyArray != null)
return _copyArray.copy();
else
return _constArray.copy();
}
/**
* Copy for serialization
*/
public Value copy(Env env, IdentityHashMap<Value,Value> map)
{
if (_copyArray != null)
return _copyArray.copy(env, map);
else
return _constArray.copy(env, map);
}
/**
* Copy for saving a function arguments.
*/
public Value copySaveFunArg()
{
if (_copyArray != null)
return _copyArray.copySaveFunArg();
else
return _constArray.copySaveFunArg();
}
/**
* Returns the size.
*/
public int getSize()
{
if (_copyArray != null)
return _copyArray.getSize();
else
return _constArray.getSize();
}
/**
* Clears the array
*/
public void clear()
{
getCopyArray().clear();
}
/**
* Adds a new value.
*/
@Override
public Value put(Value key, Value value)
{
return getCopyArray().put(key, value);
}
/**
* Add
*/
public Value put(Value value)
{
return getCopyArray().put(value);
}
/**
* Add
*/
public ArrayValue unshift(Value value)
{
return getCopyArray().unshift(value);
}
/**
* Splices.
*/
public ArrayValue splice(int start, int end, ArrayValue replace)
{
return getCopyArray().splice(start, end, replace);
}
/**
* Slices.
*/
public ArrayValue slice(Env env, int start, int end, boolean isPreserveKeys)
{
return getCopyArray().slice(env, start, end, isPreserveKeys);
}
/**
* Returns the value as an array.
*/
public Value getArray(Value fieldName)
{
return getCopyArray().getArray(fieldName);
}
/**
* Returns the value as an argument which may be a reference.
*/
@Override
public Value getArg(Value index, boolean isTop)
{
return getCopyArray().getArg(index, isTop);
}
/**
* Convert to an argument value.
*/
@Override
public Value toLocalValue()
{
return getCopyArray().toLocalValue();
}
/**
* Returns the field value, creating an object if it's unset.
*/
@Override
public Value getObject(Env env, Value fieldName)
{
return getCopyArray().getObject(env, fieldName);
}
/**
* Sets the array ref.
*/
public Var putVar()
{
return getCopyArray().putVar();
}
/**
* Add
*/
public ArrayValue append(Value key, Value value)
{
return getCopyArray().append(key, value);
}
/**
* Add
*/
public ArrayValue append(Value value)
{
return getCopyArray().append(value);
}
/**
* Gets a new value.
*/
public Value get(Value key)
{
if (_copyArray != null)
return _copyArray.get(key);
else
return _constArray.get(key);
}
/**
* Returns the corresponding key if this array contains the given value
*
* @param value to search for in the array
*
* @return the key if it is found in the array, NULL otherwise
*/
public Value contains(Value value)
{
if (_copyArray != null)
return _copyArray.contains(value);
else
return _constArray.contains(value);
}
/**
* Returns the corresponding key if this array contains the given value
*
* @param value to search for in the array
*
* @return the key if it is found in the array, NULL otherwise
*/
public Value containsStrict(Value value)
{
if (_copyArray != null)
return _copyArray.containsStrict(value);
else
return _constArray.containsStrict(value);
}
/**
* Returns the corresponding value if this array contains the given key
*
* @param key to search for in the array
*
* @return the value if it is found in the array, NULL otherwise
*/
public Value containsKey(Value key)
{
if (_copyArray != null)
return _copyArray.containsKey(key);
else
return _constArray.containsKey(key);
}
/**
* Removes a value.
*/
public Value remove(Value key)
{
return getCopyArray().remove(key);
}
/**
* Returns the array ref.
*/
public Var getVar(Value index)
{
return getCopyArray().getVar(index);
}
/**
* Pops the top value.
*/
@Override
public Value pop(Env env)
{
return getCopyArray().pop(env);
}
/**
* Pops the top value.
*/
public Value createTailKey()
{
return getCopyArray().createTailKey();
}
/**
* Shuffles the array
*/
public Value shuffle()
{
return getCopyArray().shuffle();
}
public Entry getHead()
{
if (_copyArray != null)
return _copyArray.getHead();
else
return _constArray.getHead();
}
protected Entry getTail()
{
if (_copyArray != null)
return _copyArray.getTail();
else
return _constArray.getTail();
}
private ArrayValue getCopyArray()
{
if (_copyArray == null)
_copyArray = new ArrayValueImpl(_constArray);
return _copyArray;
}
@Override
public int cmp(Value rValue)
{
if (_copyArray != null)
return _copyArray.cmp(rValue);
else
return _constArray.cmp(rValue);
}
@Override
public boolean eq(Value rValue)
{
if (_copyArray != null)
return _copyArray.eq(rValue);
else
return _constArray.eq(rValue);
}
@Override
public boolean eql(Value rValue)
{
if (_copyArray != null)
return _copyArray.eql(rValue);
else
return _constArray.eql(rValue);
}
@Override
public int hashCode()
{
if (_copyArray != null)
return _copyArray.hashCode();
else
return _constArray.hashCode();
}
@Override
public Value toValue()
{
/*
if (_copyArray != null)
return _copyArray;
else
return _constArray;
*/
return this;
}
@Override
public boolean equals(Object o)
{
if (_copyArray != null)
return _copyArray.equals(o);
else
return _constArray.equals(o);
}
}