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Faster leaf node search CR-IU-897 - minor improvements

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(cherry picked from commit 03ff93d)
This commit is contained in:
Alexey Gopachenko
2014-11-18 21:04:38 +01:00
parent 417375dd18
commit 5fbe193cf4
1 changed files with 4 additions and 3 deletions
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platform/core-impl/src/com/intellij/psi/impl/source/tree/CompositeElement.java
+4 -3
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@@ -164,10 +164,11 @@ public class CompositeElement extends TreeElement {
while (true) {
TreeElement child = element.getFirstChildNode();
TreeElement lastChild = element.getLastChildNode();
boolean fwd = lastChild == null || (lastChild.getStartOffset() + lastChild.getTextLength() - child.getStartOffset()) / 2 > offset;
int elementTextLength = element.getTextLength();
boolean fwd = lastChild == null || elementTextLength / 2 > offset;
if (!fwd) {
child = lastChild;
offset = element.getTextLength() - offset;
offset = elementTextLength - offset;
}
while (child != null) {
final int textLength = child.getTextLength();
@@ -179,7 +180,7 @@ public class CompositeElement extends TreeElement {
}
return (LeafElement)child;
}
offset = fwd ? offset : child.getTextLength() - offset;
offset = fwd ? offset : textLength - offset;
element = child;
continue startFind;
}