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Diffstat (limited to 'Source/JavaScriptCore/wtf/HexNumber.h')
-rw-r--r-- | Source/JavaScriptCore/wtf/HexNumber.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/Source/JavaScriptCore/wtf/HexNumber.h b/Source/JavaScriptCore/wtf/HexNumber.h deleted file mode 100644 index 8fd60323b..000000000 --- a/Source/JavaScriptCore/wtf/HexNumber.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (C) 2011 Research In Motion Limited. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#ifndef HexNumber_h -#define HexNumber_h - -#include <wtf/text/StringConcatenate.h> - -namespace WTF { - -enum HexConversionMode { - Lowercase, - Uppercase -}; - -namespace Internal { - -static const char* hexDigitsForMode(HexConversionMode mode) -{ - static const char lowerHexDigits[17] = "0123456789abcdef"; - static const char upperHexDigits[17] = "0123456789ABCDEF"; - return mode == Lowercase ? lowerHexDigits : upperHexDigits; -} - -}; // namespace Internal - -template<typename T> -inline void appendByteAsHex(unsigned char byte, T& destination, HexConversionMode mode = Uppercase) -{ - const char* hexDigits = Internal::hexDigitsForMode(mode); - destination.append(hexDigits[byte >> 4]); - destination.append(hexDigits[byte & 0xF]); -} - -template<typename T> -inline void placeByteAsHexCompressIfPossible(unsigned char byte, T& destination, unsigned& index, HexConversionMode mode = Uppercase) -{ - const char* hexDigits = Internal::hexDigitsForMode(mode); - if (byte >= 0x10) - destination[index++] = hexDigits[byte >> 4]; - destination[index++] = hexDigits[byte & 0xF]; -} - -template<typename T> -inline void placeByteAsHex(unsigned char byte, T& destination, HexConversionMode mode = Uppercase) -{ - const char* hexDigits = Internal::hexDigitsForMode(mode); - *destination++ = hexDigits[byte >> 4]; - *destination++ = hexDigits[byte & 0xF]; -} - -template<typename T> -inline void appendUnsignedAsHex(unsigned number, T& destination, HexConversionMode mode = Uppercase) -{ - const char* hexDigits = Internal::hexDigitsForMode(mode); - Vector<UChar, 8> result; - do { - result.prepend(hexDigits[number % 16]); - number >>= 4; - } while (number > 0); - - destination.append(result.data(), result.size()); -} - -// Same as appendUnsignedAsHex, but using exactly 'desiredDigits' for the conversion. -template<typename T> -inline void appendUnsignedAsHexFixedSize(unsigned number, T& destination, unsigned desiredDigits, HexConversionMode mode = Uppercase) -{ - ASSERT(desiredDigits); - - const char* hexDigits = Internal::hexDigitsForMode(mode); - Vector<UChar, 8> result; - do { - result.prepend(hexDigits[number % 16]); - number >>= 4; - } while (result.size() < desiredDigits); - - ASSERT(result.size() == desiredDigits); - destination.append(result.data(), result.size()); -} - -} // namespace WTF - -using WTF::appendByteAsHex; -using WTF::appendUnsignedAsHex; -using WTF::appendUnsignedAsHexFixedSize; -using WTF::placeByteAsHex; -using WTF::placeByteAsHexCompressIfPossible; -using WTF::Lowercase; - -#endif // HexNumber_h |