third_party/WebKit/Source/wtf/text/TextCodecASCIIFastPath.h

   1 /*
   2  * Copyright (C) 2011 Apple Inc. All rights reserved.
   3  * Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef TextCodecASCIIFastPath_h
  28 #define TextCodecASCIIFastPath_h
  29
  30 #include "wtf/text/ASCIIFastPath.h"
  31
  32 namespace WTF {
  33
  34 template<size_t size> struct UCharByteFiller;
  35 template<> struct UCharByteFiller<4> {
  36     static void copy(LChar* destination, const uint8_t* source)
  37     {
  38         memcpy(destination, source, 4);
  39     }
  40
  41     static void copy(UChar* destination, const uint8_t* source)
  42     {
  43         destination[0] = source[0];
  44         destination[1] = source[1];
  45         destination[2] = source[2];
  46         destination[3] = source[3];
  47     }
  48 };
  49 template<> struct UCharByteFiller<8> {
  50     static void copy(LChar* destination, const uint8_t* source)
  51     {
  52         memcpy(destination, source, 8);
  53     }
  54
  55     static void copy(UChar* destination, const uint8_t* source)
  56     {
  57         destination[0] = source[0];
  58         destination[1] = source[1];
  59         destination[2] = source[2];
  60         destination[3] = source[3];
  61         destination[4] = source[4];
  62         destination[5] = source[5];
  63         destination[6] = source[6];
  64         destination[7] = source[7];
  65     }
  66 };
  67
  68 inline void copyASCIIMachineWord(LChar* destination, const uint8_t* source)
  69 {
  70     UCharByteFiller<sizeof(WTF::MachineWord)>::copy(destination, source);
  71 }
  72
  73 inline void copyASCIIMachineWord(UChar* destination, const uint8_t* source)
  74 {
  75     UCharByteFiller<sizeof(WTF::MachineWord)>::copy(destination, source);
  76 }
  77
  78 } // namespace WTF
  79
  80 #endif // TextCodecASCIIFastPath_h