00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "<WebSig>" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 2001, Institute for 00053 * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>. 00054 * The development of this software was partly funded by the European 00055 * Commission in the <WebSig> project in the ISIS Programme. 00056 * For more information on the Apache Software Foundation, please see 00057 * <http://www.apache.org/>. 00058 */ 00059 00060 /* 00061 * XSEC 00062 * 00063 * XSECSafeBufferFormatter := Class for formatting DOMStrings into SafeBuffers 00064 * 00065 * Author(s): Berin Lautenbach 00066 * 00067 * $Id: XSECSafeBufferFormatter.hpp,v 1.4 2003/03/02 08:21:02 blautenb Exp $ 00068 * 00069 */ 00070 00071 #ifndef XSECSAFEBUFFERFORMATTER_INCLUDE 00072 #define XSECSAFEBUFFERFORMATTER_INCLUDE 00073 00074 // XSEC includes 00075 00076 #include <xsec/utils/XSECSafeBuffer.hpp> 00077 00078 // Xerces includes 00079 00080 #include <xercesc/framework/XMLFormatter.hpp> 00081 00082 XSEC_USING_XERCES(XMLFormatter); 00083 XSEC_USING_XERCES(XMLFormatTarget); 00084 00089 class sbFormatTarget : public XMLFormatTarget 00090 { 00091 public: 00092 00093 safeBuffer * buffer; // Buffer to write to 00094 00095 sbFormatTarget() {}; 00096 ~sbFormatTarget() {}; 00097 00098 void setBuffer (safeBuffer * toSet) {buffer = toSet;}; 00099 00100 00101 // ----------------------------------------------------------------------- 00102 // Implementations of the format target interface 00103 // Based on Xerces/Xalan example code 00104 // ----------------------------------------------------------------------- 00105 00106 void writeChars(const XMLByte* const toWrite, 00107 const unsigned int count, 00108 XMLFormatter * const formatter) 00109 { 00110 buffer->sbMemcpyIn((char *) toWrite, (int) count); 00111 buffer->setBufferType(safeBuffer::BUFFER_CHAR); 00112 (*buffer)[count] = '\0'; 00113 }; 00114 00115 private: 00116 00117 sbFormatTarget(const sbFormatTarget& other); 00118 void operator=(const sbFormatTarget& rhs); 00119 00120 00121 }; 00122 00131 class XSECSafeBufferFormatter { 00132 00133 XMLFormatter * formatter; // To actually perform the formatting 00134 safeBuffer formatBuffer; // Storage of translated strings 00135 sbFormatTarget * sbf; // Format target used by XMLFormatter 00136 00137 public: 00138 00139 // Constructor 00140 00141 XSECSafeBufferFormatter( 00142 const XMLCh * const outEncoding, 00143 const XMLFormatter::EscapeFlags escapeFlags=XMLFormatter::NoEscapes, 00144 const XMLFormatter::UnRepFlags unrepFlags=XMLFormatter::UnRep_Fail); 00145 00146 XSECSafeBufferFormatter( 00147 const char * const outEncoding, 00148 const XMLFormatter::EscapeFlags escapeFlags=XMLFormatter::NoEscapes, 00149 const XMLFormatter::UnRepFlags unrepFlags=XMLFormatter::UnRep_Fail); 00150 00151 // Destructor 00152 00153 ~XSECSafeBufferFormatter(); 00154 00155 // Reimplementation of XMLFormatter functions 00156 00157 void formatBuf ( 00158 const XMLCh *const toFormat, 00159 const unsigned int count, 00160 const XMLFormatter::EscapeFlags escapeFlags=XMLFormatter::DefaultEscape, 00161 const XMLFormatter::UnRepFlags unrepFlags=XMLFormatter::DefaultUnRep); // Format a buffer 00162 00163 XSECSafeBufferFormatter& operator<< ( 00164 const XMLCh *const toFormat); // Format a buffer 00165 00166 XSECSafeBufferFormatter& operator<< ( 00167 const XMLCh toFormat); // Format a character 00168 00169 const XMLCh* getEncodingName ()const; // Get current encoding 00170 00171 void setEscapeFlags (const XMLFormatter::EscapeFlags newFlags); 00172 void setUnRepFlags (const XMLFormatter::UnRepFlags newFlags); 00173 00174 XSECSafeBufferFormatter& operator<< (const XMLFormatter::EscapeFlags newFlags); 00175 XSECSafeBufferFormatter& operator<< (const XMLFormatter::UnRepFlags newFlags); 00176 //XSECSafeBufferFormatter& operator<< (const DOMString &s); 00177 00178 // Friends for working with safestrings 00179 00180 friend safeBuffer& operator<< (safeBuffer &to, const XSECSafeBufferFormatter & from); 00181 00182 private: 00183 00184 // Unimplemented 00185 00186 XSECSafeBufferFormatter() {}; 00187 00188 }; 00189 00192 #endif /* XSECSAFEBUFFERFORMATTER_INCLUDE */