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# BinFileInputStream.hpp

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    00001 /*
    00002  * Copyright 1999-2000,2004 The Apache Software Foundation.
    00003  *
    00004  * Licensed under the Apache License, Version 2.0 (the "License");
    00005  * you may not use this file except in compliance with the License.
    00006  * You may obtain a copy of the License at
    00007  *
    00008  *      http://www.apache.org/licenses/LICENSE-2.0
    00009  *
    00010  * Unless required by applicable law or agreed to in writing, software
    00011  * distributed under the License is distributed on an "AS IS" BASIS,
    00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013  * See the License for the specific language governing permissions and
    00014  * limitations under the License.
    00015  */
    00016
    00017 /*
    00018  * $Id: BinFileInputStream.hpp 191054 2005-06-17 02:56:35Z jberry $
    00019  */
    00020
    00021 #if !defined(BINFILEINPUTSTREAM_HPP)
    00022 #define BINFILEINPUTSTREAM_HPP
    00023
    00024 #include <xercesc/util/BinInputStream.hpp>
    00025 #include <xercesc/util/PlatformUtils.hpp>
    00026
    00027 XERCES_CPP_NAMESPACE_BEGIN
    00028
    00029 class  BinFileInputStream : public BinInputStream
    00030 {
    00031 public :
    00032     // -----------------------------------------------------------------------
    00033     //  Constructors and Destructor
    00034     // -----------------------------------------------------------------------
    00035     BinFileInputStream
    00036     (
    00037         const   XMLCh* const    fileName
    00038         , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
    00039     );
    00040
    00041     BinFileInputStream
    00042     (
    00043         const   char* const     fileName
    00044         , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
    00045     );
    00046
    00047     BinFileInputStream
    00048     (
    00049         const   FileHandle      toUse
    00050         , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
    00051     );
    00052
    00053     virtual ~BinFileInputStream();
    00054
    00055
    00056     // -----------------------------------------------------------------------
    00057     //  Getter methods
    00058     // -----------------------------------------------------------------------
    00059     bool getIsOpen() const;
    00060     unsigned int getSize() const;
    00061     void reset();
    00062
    00063
    00064     // -----------------------------------------------------------------------
    00065     //  Implementation of the input stream interface
    00066     // -----------------------------------------------------------------------
    00067     virtual unsigned int curPos() const;
    00068
    00069     virtual unsigned int readBytes
    00070     (
    00071                 XMLByte* const      toFill
    00072         , const unsigned int        maxToRead
    00073     );
    00074
    00075
    00076 private :
    00077     // -----------------------------------------------------------------------
    00078     //  Unimplemented constructors and operators
    00079     // -----------------------------------------------------------------------
    00080     BinFileInputStream(const BinFileInputStream&);
    00081     BinFileInputStream& operator=(const BinFileInputStream&);
    00082
    00083     // -----------------------------------------------------------------------
    00084     //  Private data members
    00085     //
    00086     //  fSource
    00087     //      The source file that we represent. The FileHandle type is defined
    00088     //      per platform.
    00089     // -----------------------------------------------------------------------
    00090     FileHandle              fSource;
    00091     MemoryManager* const    fMemoryManager;
    00092 };
    00093
    00094
    00095 // ---------------------------------------------------------------------------
    00096 //  BinFileInputStream: Getter methods
    00097 // ---------------------------------------------------------------------------
    00098 inline bool BinFileInputStream::getIsOpen() const
    00099 {
    00100     return (fSource != (FileHandle) XERCES_Invalid_File_Handle);
    00101 }
    00102
    00103 XERCES_CPP_NAMESPACE_END
    00104
    00105 #endif

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