/** Delete an object from this variable at a position. */
@Override
public void removeAt(Variable index) throws ScriptException {
if (index == null) throw new ScriptException(composeMessage("Remove index cannot be null"));
int indexValue = index.getIntValue();
if (indexValue < 0 || indexValue >= configurationNode.getChildCount())
throw new ScriptException(composeMessage("Remove index out of bounds: " + indexValue));
configurationNode.removeChild(indexValue);
}
/** Get an indexed property of the variable */
@Override
public VariableReference getIndexed(Variable index) throws ScriptException {
if (index == null) throw new ScriptException(composeMessage("Subscript cannot be null"));
int indexValue = index.getIntValue();
if (indexValue >= 0 && indexValue < configurationNode.getChildCount())
return new NodeReference(indexValue);
throw new ScriptException(composeMessage("Subscript is out of bounds: " + indexValue));
}
/** Insert an object into this variable at a position. */
@Override
public void insertAt(Variable v, Variable index) throws ScriptException {
if (v == null) throw new ScriptException(composeMessage("Can't insert a null object"));
if (index == null)
configurationNode.addChild(configurationNode.getChildCount(), v.getConfigurationNodeValue());
else {
int indexValue = index.getIntValue();
if (indexValue < 0 || indexValue > configurationNode.getChildCount())
throw new ScriptException(composeMessage("Insert out of bounds: " + indexValue));
configurationNode.addChild(indexValue, v.getConfigurationNodeValue());
}
}