| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 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/>. |
| */ |
| |
| /** |
| * $Log$ |
| * Revision 1.1 1999/11/09 01:04:05 twl |
| * Initial revision |
| * |
| * Revision 1.2 1999/11/08 20:45:04 rahul |
| * Swat for adding in Product name and CVS comment log variable. |
| * |
| */ |
| |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <util/BinMemInputStream.hpp> |
| #include <memory.h> |
| #include <string.h> |
| |
| |
| // --------------------------------------------------------------------------- |
| // BinMemInputStream: Constructors and Destructor |
| // --------------------------------------------------------------------------- |
| BinMemInputStream::BinMemInputStream( const XMLByte* const initData |
| , const unsigned int capacity |
| , const BufOpts bufOpt) : |
| fBuffer(0) |
| , fBufOpt(bufOpt) |
| , fCapacity(capacity) |
| , fCurIndex(0) |
| { |
| // According to the buffer option, do the right thing |
| if (fBufOpt == BufOpt_Copy) |
| { |
| XMLByte* tmpBuf = new XMLByte[fCapacity]; |
| memcpy(tmpBuf, initData, capacity); |
| fBuffer = tmpBuf; |
| } |
| else |
| { |
| fBuffer = initData; |
| } |
| } |
| |
| BinMemInputStream::~BinMemInputStream() |
| { |
| // |
| // If we adopted or copied the buffer, then clean it up. We have to |
| // cast off the const'ness in that case in order to delete it. |
| // |
| if ((fBufOpt == BufOpt_Adopt) || (fBufOpt == BufOpt_Copy)) |
| delete [] (XMLByte*)fBuffer; |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // MemBinInputStream: Implementation of the input stream interface |
| // --------------------------------------------------------------------------- |
| unsigned int BinMemInputStream::readBytes( XMLByte* const toFill |
| , const unsigned int maxToRead) |
| { |
| // |
| // Figure out how much we can really read. Its the smaller of the |
| // amount available and the amount asked for. |
| // |
| const unsigned int available = (fCapacity - fCurIndex); |
| if (!available) |
| return 0; |
| |
| const unsigned int actualToRead = available < maxToRead ? |
| available : maxToRead; |
| for (unsigned int index = 0; index < actualToRead; index++) |
| toFill[index] = fBuffer[fCurIndex++]; |
| return actualToRead; |
| } |