package railo.runtime.interpreter.ref.literal;
import java.util.ArrayList;
import java.util.Iterator;
import railo.runtime.PageContext;
import railo.runtime.exp.PageException;
import railo.runtime.interpreter.ref.Ref;
import railo.runtime.interpreter.ref.RefSupport;
import railo.runtime.interpreter.ref.util.RefUtil;
import railo.runtime.op.Caster;
/**
* Literal String
*
*/
public final class LStringBuffer extends RefSupport implements Literal {
private ArrayList refs=new ArrayList();
private StringBuffer sb=new StringBuffer();
/**
* constructor of the class
* @param str
*/
public LStringBuffer(String str) {
sb.append(str);
}
/**
* constructor of the class
* @param str
*/
public LStringBuffer() {
}
@Override
public Object getValue(PageContext pc) throws PageException {
if(refs.size()==0) return sb.toString();
StringBuffer tmp=new StringBuffer();
Iterator it = refs.iterator();
while(it.hasNext()) {
tmp.append(Caster.toString(((Ref)it.next()).getValue(pc)));
}
if(sb.length()>0)tmp.append(sb);
return tmp.toString();
}
public void append(Ref ref) {
if(sb.length()>0) {
refs.add(new LString(sb.toString()));
sb=new StringBuffer();
}
refs.add(ref);
}
public void append(char c) {
sb.append(c);
}
public void append(String str) {
sb.append(str);
}
public boolean isEmpty() {
return sb.length()+refs.size()==0;
}
@Override
public String getTypeName() {
return "literal";
}
@Override
public String getString(PageContext pc) throws PageException {
return (String) getValue(pc);
}
@Override
public boolean eeq(PageContext pc,Ref other) throws PageException {
return RefUtil.eeq(pc,this,other);
}
}