[2674] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | |
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| 18 | /* |
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| 19 | * $Id: BitOps.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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| 20 | */ |
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| 21 | |
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| 22 | #if !defined(BITOPS_HPP) |
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| 23 | #define BITOPS_HPP |
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| 24 | |
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| 25 | #include <xercesc/util/XercesDefs.hpp> |
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| 26 | |
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| 27 | XERCES_CPP_NAMESPACE_BEGIN |
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| 28 | |
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| 29 | class XMLUTIL_EXPORT BitOps |
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| 30 | { |
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| 31 | public: |
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| 32 | // ----------------------------------------------------------------------- |
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| 33 | // Public static methods |
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| 34 | // ----------------------------------------------------------------------- |
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| 35 | static inline XMLCh swapBytes(const XMLUInt16 toSwap) |
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| 36 | { |
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| 37 | //The mask is required to overcome a compiler error on solaris |
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| 38 | return XMLCh(((toSwap >> 8) | (toSwap << 8)) & 0xFFFF); |
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| 39 | } |
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| 40 | |
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| 41 | static inline unsigned int swapBytes(const XMLUInt32 toSwap) |
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| 42 | { |
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| 43 | return |
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| 44 | ( |
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| 45 | (toSwap >> 24) |
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| 46 | | (toSwap << 24) |
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| 47 | | ((toSwap & 0xFF00) << 8) |
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| 48 | | ((toSwap & 0xFF0000) >> 8) |
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| 49 | ); |
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| 50 | } |
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| 51 | |
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| 52 | |
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| 53 | |
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| 54 | protected : |
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| 55 | // ----------------------------------------------------------------------- |
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| 56 | // Unimplemented constructors and operators. (These ought to be private, |
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| 57 | // but that produces spurious compiler warnings |
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| 58 | // on some platforms.) |
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| 59 | // ----------------------------------------------------------------------- |
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| 60 | BitOps(); |
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| 61 | BitOps(const BitOps&); |
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| 62 | BitOps& operator=(const BitOps&); |
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| 63 | }; |
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| 64 | |
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| 65 | XERCES_CPP_NAMESPACE_END |
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| 66 | |
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| 67 | #endif |
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