/*license*\
XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com)
This software is dual-licensed under the:
- Lesser General Public License (LGPL) version 3.0 or, at your option, any later version;
- Apache Software License (ASL) version 2.0.
Either license may be applied at your discretion. More information may be found at
- http://en.wikipedia.org/wiki/Multi-licensing.
The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at:
- LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
- ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
\*license*/
package com.github.xbn.util.itr;
import com.github.xbn.util.itr.IteratorDirection;
import com.github.xbn.array.CrashIfIndex;
/**
<p>For building iterators that return, for each element in an indexable container, the <i>length</i> of its {@code toString()}.</p>
* @since 0.1.0
* @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a>
**/
public abstract class AbstractElementTSLengthIterator<R> extends AbstractIndexableIterator<R,Integer> {
//constructors...START
public AbstractElementTSLengthIterator(Object indexable_cntrOfR) {
this(indexable_cntrOfR, 0, -1, IteratorDirection.LOW_TO_HIGH);
}
public AbstractElementTSLengthIterator(Object indexable_cntrOfR, IteratorDirection direction) {
this(indexable_cntrOfR, 0, -1, direction);
}
/**
<p>Create a new {@code AbstractIsValidElementIterator}.</p>
YYY
* <p>Equal to
<br/> {@link com.github.xbn.util.itr.AbstractIndexableIterator#AbstractIndexableIterator(Object, int, int) super}{@code (indexable_cntrOfR, idx_start, idx_endX)}</p>
*/
public AbstractElementTSLengthIterator(Object indexable_cntrOfR, int idx_start, int idx_endX) {
super(indexable_cntrOfR, idx_start, idx_endX, IteratorDirection.LOW_TO_HIGH);
}
public AbstractElementTSLengthIterator(Object indexable_cntrOfR, int idx_start, int idx_endX, IteratorDirection direction) {
super(indexable_cntrOfR, idx_start, idx_endX, direction);
}
//constructors...END
public final Integer next() {
R r = null;
try {
r = getRawElementRTXOkay(getIndex());
} catch(RuntimeException rx) {
CrashIfIndex.badForLength(getIndex(), getTotalElementCount(), "index", XBL_CNTR_OF_R_NAME);
throw rx;
}
moveIndexToNext();
return ((r == null) ? null : r.toString().length());
}
/*stub functions for non-abstract compile...START
protected R getRawElementRTXOkay(int index) {
return null;
}
public int getTotalElementCount() {
return -1;
}
stub functions for non-abstract compile...END*/
}