diff options
Diffstat (limited to 'core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiControlOnlyFilter.scala')
-rwxr-xr-x | core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiControlOnlyFilter.scala | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiControlOnlyFilter.scala b/core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiControlOnlyFilter.scala new file mode 100755 index 0000000..c08b686 --- /dev/null +++ b/core/source/core/scala/com/rockymadden/stringmetric/filter/AsciiControlOnlyFilter.scala @@ -0,0 +1,11 @@ +package com.rockymadden.stringmetric.filter + +import com.rockymadden.stringmetric.StringFilter + +/** Ensures only ASCII control characters matter. */ +trait AsciiControlOnlyFilter extends StringFilter { + abstract override def filter(charArray: Array[Char]): Array[Char] = + super.filter(charArray.filter(c => (c <= 31 || c == 127))) + + abstract override def filter(string: String): String = filter(string.toCharArray).mkString +} |