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Use saxon's NodeListIterator

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This commit is contained in:
Andreas Dangel
2024-04-27 20:52:20 +02:00
parent 23671181df
commit eadf3d9293
1 changed files with 3 additions and 14 deletions
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17
pmd-core/src/main/java/net/sourceforge/pmd/lang/rule/xpath/internal/BaseNodeInfo.java
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@@ -5,6 +5,7 @@
package net.sourceforge.pmd.lang.rule.xpath.internal;
import java.util.Collections;
import java.util.List;
import java.util.ListIterator;
@@ -16,6 +17,7 @@ import net.sf.saxon.pattern.NodeTest;
import net.sf.saxon.str.StringView;
import net.sf.saxon.str.UnicodeString;
import net.sf.saxon.tree.iter.AxisIterator;
import net.sf.saxon.tree.iter.NodeListIterator;
import net.sf.saxon.tree.util.Navigator.AxisFilter;
import net.sf.saxon.tree.wrapper.AbstractNodeWrapper;
import net.sf.saxon.tree.wrapper.SiblingCountingNode;
@@ -105,23 +107,10 @@ abstract class BaseNodeInfo extends AbstractNodeWrapper implements SiblingCounti
}
static <N extends NodeInfo> AxisIterator iterateList(List<N> nodes, boolean forwards) {
return forwards ? new NodeListIterator<>(nodes)
return forwards ? new NodeListIterator(Collections.unmodifiableList(nodes))
: new RevListAxisIterator<>(nodes);
}
private static class NodeListIterator<N extends NodeInfo> implements AxisIterator {
private final ListIterator<N> iter;
NodeListIterator(List<N> list) {
iter = list.listIterator();
}
@Override
public NodeInfo next() {
return this.iter.hasNext() ? this.iter.next() : null;
}
}
private static class RevListAxisIterator<N extends NodeInfo> implements AxisIterator {
private final ListIterator<N> iter;