HexBin.hpp

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00001 /*
00002  * Licensed to the Apache Software Foundation (ASF) under one or more
00003  * contributor license agreements.  See the NOTICE file distributed with
00004  * this work for additional information regarding copyright ownership.
00005  * The ASF licenses this file to You under the Apache License, Version 2.0
00006  * (the "License"); you may not use this file except in compliance with
00007  * the License.  You may obtain a copy of the License at
00008  * 
00009  *      http://www.apache.org/licenses/LICENSE-2.0
00010  * 
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 /*
00019  * $Id: HexBin.hpp 568078 2007-08-21 11:43:25Z amassari $
00020  */
00021 
00022 #ifndef HEXBIN_HPP
00023 #define HEXBIN_HPP
00024 
00025 #include <xercesc/util/PlatformUtils.hpp>
00026 
00027 XERCES_CPP_NAMESPACE_BEGIN
00028 
00029 class XMLUTIL_EXPORT HexBin
00030 {
00031 public :
00033 
00043     static int  getDataLength(const XMLCh* const hexData);
00044 
00054     static bool isArrayByteHex(const XMLCh* const hexData);
00055 
00070     static XMLCh* getCanonicalRepresentation
00071                   (
00072                       const XMLCh*          const hexData
00073                     ,       MemoryManager*  const manager = XMLPlatformUtils::fgMemoryManager
00074                   );
00075 
00094     static XMLCh* decode(
00095                          const XMLCh*          const    hexData
00096                        ,       MemoryManager*  const    manager = XMLPlatformUtils::fgMemoryManager
00097                         );
00098 
00115     static XMLByte* decodeToXMLByte(
00116                          const XMLCh*          const    hexData
00117                        ,       MemoryManager*  const    manager = XMLPlatformUtils::fgMemoryManager
00118                         );
00119 
00120 
00122 
00123 private :
00124 
00125     // -----------------------------------------------------------------------
00126     //  Helper methods
00127     // -----------------------------------------------------------------------
00128 
00129     static void init();
00130 
00131     static bool isHex(const XMLCh& octect);
00132 
00133     // -----------------------------------------------------------------------
00134     //  Unimplemented constructors and operators
00135     // -----------------------------------------------------------------------
00136     HexBin();
00137     HexBin(const HexBin&);
00138     HexBin& operator=(const HexBin&);
00139 
00140     // -----------------------------------------------------------------------
00141     //  Private data members
00142     //
00143     //  isInitialized
00144     //
00145     //     set once hexNumberTable is initalized.
00146     //
00147     //  hexNumberTable
00148     //
00149     //     arrany holding valid hexNumber character.
00150     //
00151     // -----------------------------------------------------------------------
00152     static bool       isInitialized;
00153     static XMLByte    hexNumberTable[];
00154 };
00155 
00156 XERCES_CPP_NAMESPACE_END
00157 
00158 #endif

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