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VIM-1379 Added check for empty ranges

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This commit is contained in:
Andrey Vlasovskikh 2017-12-29 10:09:09 +03:00
parent 6a5c70ee6a
commit b7273bc4f2
1 changed files with 5 additions and 4 deletions

9
src/com/maddyhome/idea/vim/group/ChangeGroup.java
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@ -1256,16 +1256,17 @@ public class ChangeGroup {
/**
* Counts number of lines in the visual block.
* <p>
* The result includes empty and short lines
* which does not have explicit start position (caret).
* The result includes empty and short lines which does not have explicit start position (caret).
*
* @param editor The editor the block was selected in
* @param range The range corresponding to the selected block
* @return total number of lines
*/
private static int getLinesCountInVisualBlock(@NotNull Editor editor, @NotNull TextRange range) {
LogicalPosition firstStart = editor.offsetToLogicalPosition(range.getStartOffsets()[0]);
LogicalPosition lastStart = editor.offsetToLogicalPosition(range.getStartOffsets()[range.size() - 1]);
final int[] startOffsets = range.getStartOffsets();
if (startOffsets.length == 0) return 0;
final LogicalPosition firstStart = editor.offsetToLogicalPosition(startOffsets[0]);
final LogicalPosition lastStart = editor.offsetToLogicalPosition(startOffsets[range.size() - 1]);
return lastStart.line - firstStart.line + 1;
}