Code cleanup (mostly io lib and some http lib).

sdk/lib/io/crypto.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 class _CryptoUtils {
-  static String bytesToHex(List<int> bytes) {
-    var result = new StringBuffer();
-    for (var part in bytes) {
-      result.write('${part < 16 ? '0' : ''}${part.toRadixString(16)}');
-    }
-    return result.toString();
-  }
-
   static const int PAD = 61; // '='
   static const int CR = 13;  // '\r'
   static const int LF = 10;  // '\n'
   static const int LINE_LENGTH = 76;
 
   static const String _encodeTable =
       "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
   static const String _encodeTableUrlSafe =
       "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
@@ skipping 14 matching lines @@
               41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
               -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2 ];
 
+  static String bytesToHex(List<int> bytes) {
+    var result = new StringBuffer();
+    for (var part in bytes) {
+      result.write('${part < 16 ? '0' : ''}${part.toRadixString(16)}');
+    }
+    return result.toString();
+  }
+
   static String bytesToBase64(List<int> bytes,
                               [bool urlSafe = false,
                                bool addLineSeparator = false]) {
     int len = bytes.length;
     if (len == 0) {
       return "";
     }
     final String lookup = urlSafe ? _encodeTableUrlSafe : _encodeTable;
     // Size of 24 bit chunks.
     final int remainderLength = len.remainder(3);
@@ skipping 102 matching lines @@
 
 // Constants.
 const _MASK_8 = 0xff;
 const _MASK_32 = 0xffffffff;
 const _BITS_PER_BYTE = 8;
 const _BYTES_PER_WORD = 4;
 
 // Base class encapsulating common behavior for cryptographic hash
 // functions.
 abstract class _HashBase {
-  _HashBase(int this._chunkSizeInWords,
-            int this._digestSizeInWords,
-            bool this._bigEndianWords)
+  // Hasher state.
+  final int _chunkSizeInWords;
+  final int _digestSizeInWords;
+  final bool _bigEndianWords;
+  int _lengthInBytes = 0;
+  List<int> _pendingData;
+  List<int> _currentChunk;
+  List<int> _h;
+  bool _digestCalled = false;
+
+  _HashBase(this._chunkSizeInWords,
+            this._digestSizeInWords,
+            this._bigEndianWords)
       : _pendingData = [] {
     _currentChunk = new List(_chunkSizeInWords);
     _h = new List(_digestSizeInWords);
   }
 
   // Update the hasher with more data.
   add(List<int> data) {
     if (_digestCalled) {
       throw new StateError(
           'Hash update method called after digest was retrieved');
@@ skipping 104 matching lines @@
     var lengthInBits = _lengthInBytes * _BITS_PER_BYTE;
     assert(lengthInBits < pow(2, 32));
     if (_bigEndianWords) {
       _pendingData.addAll(_wordToBytes(0));
       _pendingData.addAll(_wordToBytes(lengthInBits & _MASK_32));
     } else {
       _pendingData.addAll(_wordToBytes(lengthInBits & _MASK_32));
       _pendingData.addAll(_wordToBytes(0));
     }
   }
-
-  // Hasher state.
-  final int _chunkSizeInWords;
-  final int _digestSizeInWords;
-  final bool _bigEndianWords;
-  int _lengthInBytes = 0;
-  List<int> _pendingData;
-  List<int> _currentChunk;
-  List<int> _h;
-  bool _digestCalled = false;
 }
 
 // The MD5 hasher is used to compute an MD5 message digest.
 class _MD5 extends _HashBase {
   _MD5() : super(16, 4, false) {
     _h[0] = 0x67452301;
     _h[1] = 0xefcdab89;
     _h[2] = 0x98badcfe;
     _h[3] = 0x10325476;
   }
@@ skipping 120 matching lines @@
 
     _h[0] = _add32(a, _h[0]);
     _h[1] = _add32(b, _h[1]);
     _h[2] = _add32(c, _h[2]);
     _h[3] = _add32(d, _h[3]);
     _h[4] = _add32(e, _h[4]);
   }
 
   List<int> _w;
 }