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Support multi-line replacements.

This commit is contained in:
Eugene Vigdorchik 2012-02-20 15:52:57 +04:00
parent ff4b42ce45
commit eaa10b7a48
1 changed files with 10 additions and 8 deletions
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18
main/SessionSettings.scala
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@ -104,14 +104,15 @@ object SessionSettings
}
}
val (_, oldShifted, replace, lineMap) = ((0, List[Setting[_]](), List[SessionSetting](), Map.empty[Int, (Int, String)]) /: inFile) {
val (_, oldShifted, replace, lineMap) = ((0, List[Setting[_]](), List[SessionSetting](), Map.empty[Int, (Int, List[String])]) /: inFile) {
case ((offs, olds, repl, lineMap), s) =>
val RangePosition(_, r@LineRange(start, end)) = s.pos
def depends(s: Setting[_]) = !s.init.dependencies.isEmpty
settings find (_._1.key == s.key) match {
case Some(ss@(ns, text)) if !depends(s) && !depends(ns) =>
val shifted = ns withPos RangePosition(path, LineRange(start - offs, start - offs + 1))
(offs + end - start - 1, shifted::olds, ss::repl, lineMap + (start -> (end, text)))
val newLines = text.split('\n').toList
(offs + end - start - newLines.size, shifted::olds, ss::repl, lineMap + (start -> (end, newLines)))
case _ =>
val shifted = s withPos RangePosition(path, r shift -offs)
(offs, shifted::olds, repl, lineMap)
@ -121,20 +122,21 @@ object SessionSettings
val (tmpLines, _) = ((List[String](), 1) /: IO.readLines(writeTo).zipWithIndex) {
case ((accLines, n), (line, m)) if n == m + 1 =>
lineMap.get(n) match {
case Some(Pair(end, text)) => (text::accLines, end)
case Some(Pair(end, lines)) => (lines reverse_::: accLines, end)
case None => (line::accLines, n + 1)
}
case (res,_) => res
}
val exist = tmpLines.reverse
val adjusted = if(!newSettings.isEmpty && needsTrailingBlank(exist)) exist :+ "" else exist
val lines = adjusted ++ newSettings.map(_._2).flatMap(_ :: "" :: Nil)
val lines = adjusted ++ newSettings.map(_._2 split '\n').flatten.flatMap(_ :: "" :: Nil)
IO.writeLines(writeTo, lines)
val offs = adjusted.size + 1
val newWithPos = newSettings zip Range(offs, offs + 2*newSettings.size, 2) map {
case ((s, text), line) => (s withPos RangePosition(path, LineRange(line, line + 1)), text)
val (newWithPos, _) = ((List[SessionSetting](), adjusted.size + 1) /: newSettings) {
case ((acc, line), (s, text)) =>
val endLine = line + text.split('\n').size
((s withPos RangePosition(path, LineRange(line, endLine)), text)::acc, endLine + 1)
}
(newWithPos, other ++ oldShifted)
(newWithPos.reverse, other ++ oldShifted)
}
def needsTrailingBlank(lines: Seq[String]) = !lines.isEmpty && !lines.takeRight(1).exists(_.trim.isEmpty)
def printAllSettings(s: State): State =