Changeset 5637 for lang/scala/sandbox

Timestamp:

01/27/08 19:06:40 (5 years ago)

Author:

keisuken

Message:

Utility method add.

M jp/ne/cappuccino/keisuken/util/regex/Regex.scala

Files:

• lang/scala/sandbox/src/jp/ne/cappuccino/keisuken/util/regex/Regex.scala (modified) (4 diffs)

lang/scala/sandbox/src/jp/ne/cappuccino/keisuken/util/regex/Regex.scala

@@ -8 +8 @@
 import java.util.regex._
 
+/**
+ * Regex library.
+ * @author   NISHIMOTO Keisuke.
+ */
 class Regex(pat: Pattern) {
   def this(regex: String) = this(Pattern.compile(regex))
@@ -30 +34 @@
     matched
   }
+  def first: String = {
+    mat.reset()
+    if(mat.find()) input.substring(mat.start(), mat.end()) else null
+  }
+  def last: String = {
+    var start: Int = 0
+    var end: Int = 0
+    mat.reset()
+    while(mat.find()) {start = mat.start(); end = mat.end()}
+    if(start >= 0 & start != end) input.substring(start, end) else null
+  }
 }
 
@@ -35 +50 @@
   def apply(regex: String) = new Regex(regex)
   def apply(regex: String, input: String) = new Regex(regex).matches(input)
+  def quote(input: String): String = Pattern.quote(input)
 }
 
@@ -47 +63 @@
       println(str)
     }
+    println(RE.quote("This is a pen."));
+    println(RE("[A-Za-z]+", "This is a pen.").first);
+    println(RE("[A-Za-z]+", "This is a pen.").last);
   }
 }