BinFileInputStream.cpp
上传用户:zhuqijet
上传日期:2013-06-25
资源大小:10074k
文件大小:7k
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: BinFileInputStream.cpp,v $
- * Revision 1.3 2003/05/16 03:11:22 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.2 2002/11/04 15:22:03 tng
- * C++ Namespace Support.
- *
- * Revision 1.1.1.1 2002/02/01 22:22:09 peiyongz
- * sane_include
- *
- * Revision 1.3 2000/03/02 19:54:38 roddey
- * This checkin includes many changes done while waiting for the
- * 1.1.0 code to be finished. I can't list them all here, but a list is
- * available elsewhere.
- *
- * Revision 1.2 2000/02/06 07:48:01 rahulj
- * Year 2K copyright swat.
- *
- * Revision 1.1.1.1 1999/11/09 01:03:59 twl
- * Initial checkin
- *
- * Revision 1.4 1999/11/08 20:56:55 droddey
- * If the main xml entity does not exist, we need to get the error handling for that
- * inside the main XMLScanner::scanDocument() try block so that it gets reported
- * in the normal way. We have to add a little extra safety code because, when this
- * happens, there is no reader on the reader stack to get position ino from.
- *
- * Revision 1.3 1999/11/08 20:45:03 rahul
- * Swat for adding in Product name and CVS comment log variable.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/util/BinFileInputStream.hpp>
- #include <xercesc/util/Janitor.hpp>
- #include <xercesc/util/PlatformUtils.hpp>
- #include <xercesc/util/XMLExceptMsgs.hpp>
- #include <xercesc/util/XMLString.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // BinFileInputStream: Constructors and Destructor
- // ---------------------------------------------------------------------------
- BinFileInputStream::BinFileInputStream(const XMLCh* const fileName) :
- fSource(0)
- {
- // Try to open the file
- fSource = XMLPlatformUtils::openFile(fileName);
- }
- BinFileInputStream::BinFileInputStream(const char* const fileName,
- MemoryManager* const manager) :
- fSource(0)
- {
- // Transcode the file name and put a janitor on the temp buffer
- XMLCh* realName = XMLString::transcode(fileName, manager);
- ArrayJanitor<XMLCh> janName(realName, manager);
- // Try to open the file
- fSource = XMLPlatformUtils::openFile(realName);
- }
- BinFileInputStream::BinFileInputStream(const FileHandle toAdopt) :
- fSource(toAdopt)
- {
- }
- BinFileInputStream::~BinFileInputStream()
- {
- if (fSource)
- XMLPlatformUtils::closeFile(fSource);
- }
- // ---------------------------------------------------------------------------
- // BinFileInputStream: Getter methods
- // ---------------------------------------------------------------------------
- unsigned int BinFileInputStream::getSize() const
- {
- return XMLPlatformUtils::fileSize(fSource);
- }
- // ---------------------------------------------------------------------------
- // BinFileInputStream: Stream management methods
- // ---------------------------------------------------------------------------
- void BinFileInputStream::reset()
- {
- XMLPlatformUtils::resetFile(fSource);
- }
- // ---------------------------------------------------------------------------
- // BinFileInputStream: Implementation of the input stream interface
- // ---------------------------------------------------------------------------
- unsigned int BinFileInputStream::curPos() const
- {
- return XMLPlatformUtils::curFilePos(fSource);
- }
- unsigned int
- BinFileInputStream::readBytes( XMLByte* const toFill
- , const unsigned int maxToRead)
- {
- //
- // Read up to the maximum bytes requested. We return the number
- // actually read.
- //
- return XMLPlatformUtils::readFileBuffer(fSource, maxToRead, toFill);
- }
- XERCES_CPP_NAMESPACE_END