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💄 clarify substitution regex recursion

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This commit is contained in:
Corey Johnson & Nathan Sobo
2012-03-27 15:55:23 -07:00
parent 5e89c44477
commit 24654d5bd6
1 changed files with 17 additions and 13 deletions
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30
src/atom/command-interpreter/substitution.coffee
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@@ -14,23 +14,27 @@ class Substitution extends Command
@replace(editor, selectedText, selectionStartIndex)
replace: (editor, text, startIndex) ->
replace: (editor, text, globalStartIndex) ->
return unless match = text.match(@findRegex)
matchStartIndex = startIndex + match.index
matchEndIndex = matchStartIndex + match[0].length
localMatchStartIndex = match.index
localMatchEndIndex = localMatchStartIndex + match[0].length
globalMatchStartIndex = globalStartIndex + localMatchStartIndex
globalMatchEndIndex = globalStartIndex + localMatchEndIndex
buffer = editor.buffer
startPosition = buffer.positionForCharacterIndex(matchStartIndex)
endPosition = buffer.positionForCharacterIndex(matchEndIndex)
startPosition = buffer.positionForCharacterIndex(globalMatchStartIndex)
endPosition = buffer.positionForCharacterIndex(globalMatchEndIndex)
buffer.change([startPosition, endPosition], @replaceText)
if @global
offset = if match[0].length then 0 else 1
startNextStringFragmentAt = match.index + match[0].length + offset
return if startNextStringFragmentAt >= text.length
text = text[startNextStringFragmentAt..]
startIndex = matchStartIndex + offset + @replaceText.length
@replace(editor, text, startIndex)
if match[0].length is 0
localMatchEndIndex++
globalMatchStartIndex++
if @global
return if localMatchStartIndex >= text.length
text = text[localMatchEndIndex..]
nextGlobalStartIndex = globalMatchStartIndex + @replaceText.length
@replace(editor, text, nextGlobalStartIndex)