Xerces-C++: BinFileInputStream.hpp Source File

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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: BinFileInputStream.hpp 568078 2007-08-21 11:43:25Z amassari $
    00020  */
    00021
    00022 #if !defined(BINFILEINPUTSTREAM_HPP)
    00023 #define BINFILEINPUTSTREAM_HPP
    00024
    00025 #include <xercesc/util/BinInputStream.hpp>
    00026 #include <xercesc/util/PlatformUtils.hpp>
    00027
    00028 XERCES_CPP_NAMESPACE_BEGIN
    00029
    00030 class  BinFileInputStream : public BinInputStream
    00031 {
    00032 public :
    00033     // -----------------------------------------------------------------------
    00034     //  Constructors and Destructor
    00035     // -----------------------------------------------------------------------
    00036     BinFileInputStream
    00037     (
    00038         const   XMLCh* const    fileName
    00039         , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
    00040     );
    00041
    00042     BinFileInputStream
    00043     (
    00044         const   char* const     fileName
    00045         , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
    00046     );
    00047
    00048     BinFileInputStream
    00049     (
    00050         const   FileHandle      toUse
    00051         , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
    00052     );
    00053
    00054     virtual ~BinFileInputStream();
    00055
    00056
    00057     // -----------------------------------------------------------------------
    00058     //  Getter methods
    00059     // -----------------------------------------------------------------------
    00060     bool getIsOpen() const;
    00061     unsigned int getSize() const;
    00062     void reset();
    00063
    00064
    00065     // -----------------------------------------------------------------------
    00066     //  Implementation of the input stream interface
    00067     // -----------------------------------------------------------------------
    00068     virtual unsigned int curPos() const;
    00069
    00070     virtual unsigned int readBytes
    00071     (
    00072                 XMLByte* const      toFill
    00073         , const unsigned int        maxToRead
    00074     );
    00075
    00076
    00077 private :
    00078     // -----------------------------------------------------------------------
    00079     //  Unimplemented constructors and operators
    00080     // -----------------------------------------------------------------------
    00081     BinFileInputStream(const BinFileInputStream&);
    00082     BinFileInputStream& operator=(const BinFileInputStream&);
    00083
    00084     // -----------------------------------------------------------------------
    00085     //  Private data members
    00086     //
    00087     //  fSource
    00088     //      The source file that we represent. The FileHandle type is defined
    00089     //      per platform.
    00090     // -----------------------------------------------------------------------
    00091     FileHandle              fSource;
    00092     MemoryManager* const    fMemoryManager;
    00093 };
    00094
    00095
    00096 // ---------------------------------------------------------------------------
    00097 //  BinFileInputStream: Getter methods
    00098 // ---------------------------------------------------------------------------
    00099 inline bool BinFileInputStream::getIsOpen() const
    00100 {
    00101     return (fSource != (FileHandle) XERCES_Invalid_File_Handle);
    00102 }
    00103
    00104 XERCES_CPP_NAMESPACE_END
    00105
    00106 #endif

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