/*
* 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;
/**
* Represents an field-get argument which might be a call to a reference.
*/
public class ArgGetFieldValue extends ArgValue {
private final Env _env;
private final Value _obj;
private final StringValue _name;
public ArgGetFieldValue(Env env, Value obj, StringValue name)
{
_env = env;
_obj = obj;
_name = name;
}
/**
* Creates an argument which may create the given field.
*/
@Override
public Value getArg(Value name, boolean isTop)
{
// php/3d1q
return new ArgGetValue(this, name);
}
/**
* Creates an argument which may create the given field.
*/
@Override
public Value getFieldArg(Env env, StringValue name, boolean isTop)
{
// php/3d2q
return new ArgGetFieldValue(env, this, name);
}
/**
* Converts to a reference variable.
*/
@Override
public Var toLocalVarDeclAsRef()
{
// php/3d2t
return _obj.toAutoObject(_env)
.getFieldVar(_env, _name)
.toLocalVarDeclAsRef();
}
/**
* Converts to a value.
*/
@Override
public Value toValue()
{
return _obj.getField(_env, _name);
}
/**
* Converts to a read-only function argument.
*/
@Override
public Value toLocalValueReadOnly()
{
return toValue();
}
/**
* Converts to a function argument.
*/
@Override
public Value toLocalValue()
{
return toValue();
}
/**
* Converts to a reference variable.
*/
@Override
public Value toLocalRef()
{
return _obj.getField(_env, _name);
}
@Override
public Value toAutoArray()
{
return _obj.toAutoObject(_env).getFieldVar(_env, _name).toAutoArray();
}
@Override
public Value toAutoObject(Env env)
{
return _obj.toAutoObject(env).getFieldVar(env, _name).toAutoObject(env);
}
/**
* Converts to a reference variable.
*/
@Override
public Value toRefValue()
{
return _obj.getFieldVar(_env, _name);
}
/**
* Converts to a variable.
*/
public Var toVar()
{
return new Var(toValue());
}
/**
* Converts to a reference variable.
*/
@Override
public Var getVar(Value index)
{
return _obj.getFieldArray(_env, _name).getVar(index);
}
/**
* Converts to a reference variable.
*/
@Override
public Var getFieldVar(Env env, StringValue name)
{
// php/3d2q
return _obj.getFieldObject(_env, _name).getFieldVar(_env, name);
}
@Override
public StringValue toStringValue()
{
return toValue().toStringValue();
}
@Override
public String toJavaString()
{
return toValue().toJavaString();
}
}