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Cursor.getBeginningOfCurrentWordBufferPosition only uses the previous 2 lines for its scan range.

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previous: editor.9000-line-file.at-end.move-to-beginning-of-word: 4695 / 100 = 46.95ms
new:      editor.9000-line-file.at-end.move-to-beginning-of-word: 1618 / 100 = 16.18ms
This commit is contained in:
Corey Johnson & Nathan Sobo
2012-05-09 12:18:37 -07:00
parent faa0ec2199
commit 8f77211f04
1 changed files with 6 additions and 2 deletions
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8
src/app/cursor.coffee
View File

@@ -106,12 +106,16 @@ class Cursor extends View
getBeginningOfCurrentWordBufferPosition: (options = {}) ->
allowPrevious = options.allowPrevious ? true
currentBufferPosition = @getBufferPosition()
previousRow = Math.max(0, currentBufferPosition.row - 1)
previousLinesRange = [[previousRow, 0], currentBufferPosition]
beginningOfWordPosition = currentBufferPosition
range = [[0,0], currentBufferPosition]
@editor.backwardsScanInRange @wordRegex, range, (match, matchRange, { stop }) =>
@editor.backwardsScanInRange @wordRegex, previousLinesRange, (match, matchRange, { stop }) =>
if matchRange.end.isGreaterThanOrEqual(currentBufferPosition) or allowPrevious
beginningOfWordPosition = matchRange.start
stop()
beginningOfWordPosition
getEndOfCurrentWordBufferPosition: (options = {}) ->