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package com.modulus.qbar.lang;
import com.modulus.qbar.core.QBFunction;
import com.modulus.qbar.core.QBObject;
import com.modulus.qbar.core.QBStruct;
import com.modulus.qbar.core.parser.QBExpressionParser;
import com.modulus.qbar.core.primitive.QBDouble;
import com.modulus.qbar.core.primitive.QBInt;
public abstract class QBList extends QBObject implements Cloneable{
/**
*
*/
private static final long serialVersionUID = -3820130303027533210L;
static final public QBStruct list = new QBStruct("list");
static final public QBFunction ADD = new QBFunction(2) {
/**
*
*/
private static final long serialVersionUID = 1966242605460532062L;
@Override
public QBObject execute(QBObject[] args) {
QBList ths = (QBList)args[1];
ths.add(args[0]);
return ths;
}
};
static final public QBFunction INSERT = new QBFunction(3) {
/**
*
*/
private static final long serialVersionUID = -4254176176696884954L;
@Override
public QBObject execute(QBObject[] args) {
QBList ths = (QBList)args[2];
ths.insert( ((QBInt)args[1]).intValue(), args[0] );
return ths;
}
};
static final public QBFunction REMOVE = new QBFunction(2) {
/**
*
*/
private static final long serialVersionUID = -5952990904494730121L;
@Override
public QBObject execute(QBObject[] args) {
QBList ths = (QBList)args[1];
ths.remove( args[0] );
return ths;
}
};
static final public QBFunction GET = new QBFunction(2) {
/**
*
*/
private static final long serialVersionUID = -4826771802410960653L;
@Override
public QBObject execute(QBObject[] args) {
QBList ths = (QBList)args[1];
return ths.get(((QBInt) args[0]).intValue());
}
};
static final public QBFunction ITERATOR = new QBFunction(2) {
/**
*
*/
private static final long serialVersionUID = 3915900913102253534L;
@Override
public QBObject execute(QBObject[] args) {
QBIterator<QBList> ret = new QBListIterator( (QBList)args[0] );
return ret;
}
};
static final public QBFunction SUBLIST = new QBFunction(3) {
/**
*
*/
private static final long serialVersionUID = 3915900913102253534L;
@Override
public QBObject execute(QBObject[] args) {
QBList ths = (QBList) args[2];
int off = ((QBInt) args[0]).intValue();
int len = ((QBInt) args[1]).intValue();
return new QBSubList(ths, off, len);
}
};
public static void init(){
list.set("add", ADD);
list.set("remove", REMOVE);
list.set("insert", INSERT);
list.set("get", GET);
list.set("#", GET);
list.set("+<", ADD);
list.set("-<", REMOVE);
list.set("iterator", ITERATOR);
list.set("subList", SUBLIST);
QBExpressionParser.mapOp("#", 9);
QBExpressionParser.mapOp("+<", 1024);
QBExpressionParser.mapOp("-<", 1024);
}
public QBList() {
super(list);
}
public QBList(QBStruct struct) {
super(struct);
}
@Override
public QBObject get(String name){
if(name.equals("length")){
double size = size();
if( Double.isInfinite(size) || Double.isNaN(size) || size %1 != 0)
return new QBDouble(size());
return new QBInt((int)size());
}
return super.get(name);
}
abstract public QBList realSubList( int off, int len );
abstract public QBObject add(QBObject obj);
abstract public void remove(QBObject obj);
abstract public QBObject get(int idx);
abstract public double size();
abstract public void insert(int idx, QBObject obj);
// abstract public QBList concat( QBList other );
}
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