KT-529 wrong naming of anonimous classes

2011-11-23 11:20:33 +02:00
parent 1c6c5d2bdc
commit 8c842a6d5c
6 changed files with 122 additions and 2 deletions
@@ -0,0 +1,98 @@
+namespace mask
+
+import std.io.*
+import java.io.*
+import java.util.*
+
+fun box() : String {
+    val input = StringReader("/Users/abreslav/work/jet/docs/luhnybin/src/test")
+
+    val luhny = Luhny()
+    input.forEachChar {
+        luhny.process(it)
+    }
+    luhny.printAll()
+    return "OK"
+}
+
+class Luhny() {
+    private val buffer = ArrayDeque<Char>()
+    private val digits = ArrayDeque<Int>(16)
+
+    private var toBeMasked = 0
+
+    fun process(it : Char) {
+        buffer.addLast(it)
+        when (it) {
+            .isDigit() => digits.addLast(it.int - '0'.int)
+            ' ', '-'   => {}
+            else       => printAll()
+        }
+        if (digits.size() > 16)
+          printOneDigit()
+        check()
+    }
+
+    private fun check() {
+        val size = digits.size()
+        if (size < 14) return
+        val sum = digits.sum {i, d =>
+            if (i % 2 == size % 2) double(d) else d
+        }
+//        var sum = 0
+//        var i = 0
+//        for (d in digits) {
+//            sum += if (i % 2 == size % 2) double(d) else d
+//            i++
+//        }
+        if (sum % 10 == 0) toBeMasked = digits.size()
+    }
+
+    private fun double(d : Int) = d * 2 / 10 + d * 2 % 10
+
+    private fun printOneDigit() {
+        while (!buffer.isEmpty()) {
+            val c = buffer.removeFirst()
+            print(c)
+            if (c.isDigit()) {
+                digits.removeFirst()
+                return
+            }
+        }
+    }
+
+    private fun printAll() {
+        while (!buffer.isEmpty())
+          print(buffer.removeFirst())
+        digits.clear()
+    }
+
+    private fun print(c : Char) {
+        if (c.isDigit() && toBeMasked > 0) {
+            std.io.print('X')
+            toBeMasked--
+        } else {
+            std.io.print(c)
+        }
+    }
+}
+
+fun Char.isDigit() = Character.isDigit(this)
+
+fun java.lang.Iterable<Int>.sum(f : fun(index : Int, value : Int) : Int) : Int {
+    var sum = 0
+    var i = 0
+    for (d in this) {
+        sum += f(i, d)
+        i++
+    }
+    return sum
+}
+
+fun Reader.forEachChar(body : fun(Char) : Unit) {
+    do {
+        var i = read();
+        if (i == -1) break
+        body(i.chr)
+    } while(true)
+}