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author | Roberto Tyley <roberto.tyley@gmail.com> | 2012-11-27 22:51:01 +0000 |
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committer | Roberto Tyley <roberto.tyley@gmail.com> | 2012-11-27 22:53:04 +0000 |
commit | 1426d9cecf1b6123d0dffe44a8ab0dbf88a29707 (patch) | |
tree | e9f2f6e7e7137eecf9292f15f034d8814fae06de /src/library | |
parent | 9afc00c0408e49a111f381334cbdb7fcdaa4f340 (diff) | |
download | scala-1426d9cecf1b6123d0dffe44a8ab0dbf88a29707.tar.gz scala-1426d9cecf1b6123d0dffe44a8ab0dbf88a29707.tar.bz2 scala-1426d9cecf1b6123d0dffe44a8ab0dbf88a29707.zip |
Add convenience attribute operator to NodeSeq
Compared to the current method of reading the string text of an
attribute:
(x \ "@bar").text
...the new operator removes the need for a pair of parenthesis and
shortens the overall expression by 7 chars :
x \@ "bar"
Discussion on scala-internals:
https://groups.google.com/d/topic/scala-internals/BZ-tfbebDqE/discussion
Diffstat (limited to 'src/library')
-rw-r--r-- | src/library/scala/xml/NodeSeq.scala | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/library/scala/xml/NodeSeq.scala b/src/library/scala/xml/NodeSeq.scala index decf60dad7..d2efc947b1 100644 --- a/src/library/scala/xml/NodeSeq.scala +++ b/src/library/scala/xml/NodeSeq.scala @@ -145,6 +145,11 @@ abstract class NodeSeq extends AbstractSeq[Node] with immutable.Seq[Node] with S } } + /** Convenience method which returns string text of the named attribute. Use: + * - `that \@ "foo"` to get the string text of attribute `"foo"`; + */ + def \@(attributeName: String): String = (this \ ("@" + attributeName)).text + override def toString(): String = theSeq.mkString def text: String = (this map (_.text)).mkString |