00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * Copyright (c) 1999-2000 The Apache Software Foundation. All rights 00005 * reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 00014 * 2. Redistributions in binary form must reproduce the above copyright 00015 * notice, this list of conditions and the following disclaimer in 00016 * the documentation and/or other materials provided with the 00017 * distribution. 00018 * 00019 * 3. The end-user documentation included with the redistribution, 00020 * if any, must include the following acknowledgment: 00021 * "This product includes software developed by the 00022 * Apache Software Foundation (http://www.apache.org/)." 00023 * Alternately, this acknowledgment may appear in the software itself, 00024 * if and wherever such third-party acknowledgments normally appear. 00025 * 00026 * 4. The names "Xerces" and "Apache Software Foundation" must 00027 * not be used to endorse or promote products derived from this 00028 * software without prior written permission. For written 00029 * permission, please contact apache\@apache.org. 00030 * 00031 * 5. Products derived from this software may not be called "Apache", 00032 * nor may "Apache" appear in their name, without prior written 00033 * permission of the Apache Software Foundation. 00034 * 00035 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00037 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00038 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00039 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00040 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00041 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00042 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00043 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00044 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00045 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00046 * SUCH DAMAGE. 00047 * ==================================================================== 00048 * 00049 * This software consists of voluntary contributions made by many 00050 * individuals on behalf of the Apache Software Foundation, and was 00051 * originally based on software copyright (c) 1999, International 00052 * Business Machines, Inc., http://www.ibm.com . For more information 00053 * on the Apache Software Foundation, please see 00054 * <http://www.apache.org/>. 00055 */ 00056 00057 /* 00058 * $Log: BinMemInputStream.hpp,v $ 00059 * Revision 1.1 2002/05/11 20:26:35 bhavani 00060 * CR#CR062582# adding xercesc 1.7 file 00061 * 00062 * Revision 1.1.1.1 2002/02/01 22:22:10 peiyongz 00063 * sane_include 00064 * 00065 * Revision 1.3 2000/02/24 20:05:24 abagchi 00066 * Swat for removing Log from API docs 00067 * 00068 * Revision 1.2 2000/02/06 07:48:01 rahulj 00069 * Year 2K copyright swat. 00070 * 00071 * Revision 1.1.1.1 1999/11/09 01:04:07 twl 00072 * Initial checkin 00073 * 00074 * Revision 1.3 1999/11/08 20:45:04 rahul 00075 * Swat for adding in Product name and CVS comment log variable. 00076 * 00077 */ 00078 00079 #if !defined(BINMEMINPUTSTREAM_HPP) 00080 #define BINMEMINPUTSTREAM_HPP 00081 00082 #include <xercesc/util/BinInputStream.hpp> 00083 00084 00085 class XMLUTIL_EXPORT BinMemInputStream : public BinInputStream 00086 { 00087 public : 00088 // ----------------------------------------------------------------------- 00089 // Class specific types 00090 // ----------------------------------------------------------------------- 00091 enum BufOpts 00092 { 00093 BufOpt_Adopt 00094 , BufOpt_Copy 00095 , BufOpt_Reference 00096 }; 00097 00098 00099 // ----------------------------------------------------------------------- 00100 // Constructors and Destructor 00101 // ----------------------------------------------------------------------- 00102 BinMemInputStream 00103 ( 00104 const XMLByte* const initData 00105 , const unsigned int capacity 00106 , const BufOpts bufOpt = BufOpt_Copy 00107 ); 00108 virtual ~BinMemInputStream(); 00109 00110 00111 // ----------------------------------------------------------------------- 00112 // Stream management methods 00113 // ----------------------------------------------------------------------- 00114 void reset(); 00115 00116 00117 // ----------------------------------------------------------------------- 00118 // Implementation of the input stream interface 00119 // ----------------------------------------------------------------------- 00120 virtual unsigned int curPos() const; 00121 virtual unsigned int readBytes 00122 ( 00123 XMLByte* const toFill 00124 , const unsigned int maxToRead 00125 ); 00126 00127 00128 private : 00129 // ----------------------------------------------------------------------- 00130 // Private data members 00131 // 00132 // fBuffer 00133 // The buffer of bytes that we are streaming. 00134 // 00135 // fBufOpt 00136 // Indicates the ownership status of the buffer. The caller can have 00137 // us adopt it (we delete it), reference it, or just make our own 00138 // copy of it. 00139 // 00140 // fCapacity 00141 // The size of the buffer being streamed. 00142 // 00143 // fCurIndex 00144 // The current index where the next byte will be read from. When it 00145 // hits fCapacity, we are done. 00146 // ----------------------------------------------------------------------- 00147 const XMLByte* fBuffer; 00148 BufOpts fBufOpt; 00149 unsigned int fCapacity; 00150 unsigned int fCurIndex; 00151 }; 00152 00153 00154 // --------------------------------------------------------------------------- 00155 // BinMemInputStream: Stream management methods 00156 // --------------------------------------------------------------------------- 00157 inline void BinMemInputStream::reset() 00158 { 00159 fCurIndex = 0; 00160 } 00161 00162 00163 // --------------------------------------------------------------------------- 00164 // BinMemInputStream: Implementation of the input stream interface 00165 // --------------------------------------------------------------------------- 00166 inline unsigned int BinMemInputStream::curPos() const 00167 { 00168 return fCurIndex; 00169 } 00170 00171 #endif