trailing spaces removed, 4 to 2 spaces

mgechev · mgechev · commit 5ed239226048 · 2013-11-09T19:31:11.000+02:00
diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
@@ -1,71 +1,67 @@
-var str = 'Sample';
-
 /**
  * Run-length encoding.
  * The idea of this algorithm is to remove the usless zeros and
  * give us representation of string in binary which in which the
  * zeros will be stripped and replaced with their count.
  */
-var runLengthEncoding = (function () { 
+var runLengthEncoding = (function () {
 
-    'use strict';
+  'use strict';
 
-    /**
-     * Convers a given string to sequence of numbers
-     * This takes O(n).
-     */
-    function convertToAscii(str) {
-        var result = '',
-            currentChar = '',
-            i = 0;
-        for (; i < str.length; i += 1) {
-            currentChar = str[i].charCodeAt(0).toString(2);
-            if (currentChar.length < 8) {
-                while (8 - currentChar.length) {
-                    currentChar = '0' + currentChar;
-                }
-            }
-            result += currentChar;
-        }
-        return result;
-    }
-    
-    /**
-     * Encodes the binary string to run-length encoding.
-     * Takes O(n^2).
-     */ 
-    function runLength(vector) {
-        var result = '',
-            zeros = 0,
-            zerosTemp = '',
-            wordLength = 0,
-            i = 0;
-        for (; i < vector.length; i += 1) {
-            if (vector[i] === '0') {
-                zeros += 1;
-            } else {
-                zerosTemp = zeros.toString(2);
-                wordLength = zerosTemp.length - 1;
-                while (wordLength) {
-                    result = result + '1';
-                    wordLength -= 1;
-                }
-                result += '0' + zerosTemp;
-                zeros = 0;
-            }
+  /**
+   * Convers a given string to sequence of numbers
+   * This takes O(n).
+   */
+  function convertToAscii(str) {
+    var result = '',
+        currentChar = '',
+        i = 0;
+    for (; i < str.length; i += 1) {
+      currentChar = str[i].charCodeAt(0).toString(2);
+      if (currentChar.length < 8) {
+        while (8 - currentChar.length) {
+          currentChar = '0' + currentChar;
         }
-        return result;
+      }
+      result += currentChar;
     }
+    return result;
+  }
 
-    /**
-     * Accepts a string and returns it's run-length encoded binary representation.
-     * Takes O(n^2).
-     */     
-    return function (str) {
-        var asciiString = convertToAscii(str);
-        return runLength(asciiString);
+  /**
+   * Encodes the binary string to run-length encoding.
+   * Takes O(n^2).
+   */
+  function runLength(vector) {
+    var result = '',
+        zeros = 0,
+        zerosTemp = '',
+        wordLength = 0,
+        i = 0;
+    for (; i < vector.length; i += 1) {
+      if (vector[i] === '0') {
+        zeros += 1;
+      } else {
+        zerosTemp = zeros.toString(2);
+        wordLength = zerosTemp.length - 1;
+        while (wordLength) {
+          result = result + '1';
+          wordLength -= 1;
+        }
+        result += '0' + zerosTemp;
+        zeros = 0;
+      }
     }
+    return result;
+  }
 
-}());
+  /**
+   * Accepts a string and returns it's run-length encoded binary representation.
+   * Takes O(n^2).
+   */
+  return function (str) {
+    var asciiString = convertToAscii(str);
+    return runLength(asciiString);
+  };
 
-console.log(runLengthEncoding(str));
+}());
