/* * Copyright 2001,2004 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *//* * $Id: HexBin.hpp,v 1.6 2004/09/08 13:56:22 peiyongz Exp $ */#ifndef HEXBIN_HPP#define HEXBIN_HPP#include <xercesc/util/PlatformUtils.hpp>XERCES_CPP_NAMESPACE_BEGINclass XMLUTIL_EXPORT HexBin{public :    //@{    /**     * return the length of hexData in terms of HexBinary.     *     * @param hexData A string containing the HexBinary     *     * return: -1 if it contains any invalid HexBinary     *         the length of the HexNumber otherwise.     */    static int  getDataLength(const XMLCh* const hexData);     /**     * check an array of data against the Hex table.     *     * @param hexData A string containing the HexBinary     *     * return: false if it contains any invalid HexBinary     *         true otherwise.     */    static bool isArrayByteHex(const XMLCh* const hexData);     /**     * get canonical representation     *     * Caller is responsible for the proper deallcation     * of the string returned.     *      * @param hexData A string containing the HexBinary     * @param manager The MemoryManager to use to allocate the string     *     * return: the canonical representation of the HexBinary     *         if it is a valid HexBinary,      *         0 otherwise     */    static XMLCh* getCanonicalRepresentation                  (                      const XMLCh*          const hexData                    ,       MemoryManager*  const manager = XMLPlatformUtils::fgMemoryManager                  );    /**     * Decodes HexBinary data into XMLCh     *     * NOTE: The returned buffer is dynamically allocated and is the     * responsibility of the caller to delete it when not longer needed.     * You can call XMLString::release to release this returned buffer.     *     * If a memory manager is provided, ask the memory manager to de-allocate     * the returned buffer.     *     * @param hexData HexBinary data in XMLCh stream.     * @param manager client provided memory manager     * @return Decoded binary data in XMLCh stream,     *      or NULL if input data can not be decoded.     * @see   XMLString::release(XMLCh**)     */    static XMLCh* decode(                         const XMLCh*          const    hexData                       ,       MemoryManager*  const    manager = XMLPlatformUtils::fgMemoryManager                        );    //@}private :    // -----------------------------------------------------------------------    //  Helper methods    // -----------------------------------------------------------------------    static void init();    static bool isHex(const XMLCh& octect);    // -----------------------------------------------------------------------    //  Unimplemented constructors and operators    // -----------------------------------------------------------------------    HexBin();    HexBin(const HexBin&);    HexBin& operator=(const HexBin&);    // -----------------------------------------------------------------------    //  Private data members    //    //  isInitialized    //    //     set once hexNumberTable is initalized.    //    //  hexNumberTable    //    //     arrany holding valid hexNumber character.    //    // -----------------------------------------------------------------------    static bool       isInitialized;    static bool       hexNumberTable[];};XERCES_CPP_NAMESPACE_END#endif