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ScalaでHTMLの入れ子状態チェック
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| //write kazua | |
| import scala.io._ | |
| object chkHtmlTag { | |
| val st = "<[^=%].*?>".r | |
| def chkHtmlTag(fp : String) : String = { | |
| val src = Source.fromFile(fp)("UTF-8") | |
| val lines = src.getLines.toList.mkString | |
| chkHtmlTagProc(st.findAllIn(lines).toList, Nil, fp) | |
| } | |
| def chkHtmlTagProc(tglist : List[String], oplist : List[String], fp : String) : String = tglist match { | |
| case t if t == Nil => "指定HTMLファイル:" + fp + "は正常な入れ子状態です。" | |
| case t => t.head match { | |
| case h if h.take(2) != "</" && h.takeRight(2) != "/>" => | |
| chkHtmlTagProc(t.tail, h :: oplist, fp) | |
| case h if h.take(2) == "</" && h.takeRight(2) != "/>" && h.replaceAll("[</>]", "") == oplist.head.take(h.size - 2).replaceAll("[</>]", "") => | |
| chkHtmlTagProc(t.tail, oplist.tail, fp) | |
| case h if h.take(2) == "</" && h.takeRight(2) != "/>" && h.replaceAll("[</>]", "") != oplist.head.take(h.size - 2).replaceAll("[</>]", "") => | |
| "指定HTMLファイル:" + fp + "は正常な入れ子状態ではありません。" + System.getProperty("line.separator") + | |
| "開始タグもしくは終了タグが漏れているか、タグ終わりスラッシュの付け忘れの可能性があります。異常タグは" + oplist.head + "か" + h + "です。" | |
| case h if h.takeRight(2) == "/>" => | |
| chkHtmlTagProc(t.tail, oplist, fp) | |
| } | |
| } | |
| def main(args : Array[String]) { | |
| println(chkHtmlTag("E:/jojo2.txt")) | |
| } | |
| } |
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