API Docs for SAX and DOM                 XMLFormatter.hpp Go to the documentation of this file. /* * Copyright 1999-2000,2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * $Log: XMLFormatter.hpp,v $ * Revision 1.21 2004/09/08 13:55:59 peiyongz * Apache License Version 2.0 * * Revision 1.20 2004/01/29 11:46:29 cargilld * Code cleanup changes to get rid of various compiler diagnostic messages. * * Revision 1.19 2003/12/01 23:23:25 neilg * fix for bug 25118; thanks to Jeroen Witmond * * Revision 1.18 2003/10/10 02:06:09 neilg * fix for bug 21780; thanks to David Cargill * * Revision 1.17 2003/09/22 08:50:04 gareth * doc fix * * Revision 1.16 2003/09/08 21:48:36 peiyongz * Restore pre2.3 constructors * * Revision 1.15 2003/05/30 16:11:43 gareth * Fixes so we compile under VC7.1. Patch by Alberto Massari. * * Revision 1.14 2003/05/16 21:36:55 knoaman * Memory manager implementation: Modify constructors to pass in the memory manager. * * Revision 1.13 2003/05/15 18:26:07 knoaman * Partial implementation of the configurable memory manager. * * Revision 1.12 2003/03/17 03:19:52 peiyongz * Bug#18051 memory leakage in XMLFormatter * * Revision 1.11 2003/03/16 06:00:43 peiyongz * Bug#17983 Formatter does not escape control characters * * Revision 1.10 2003/03/11 12:58:36 tng * Fix compilation error on AIX. * * Revision 1.9 2003/03/07 21:42:37 tng * [Bug 17589] Refactoring ... . Patch from Jacques Legare. * * Revision 1.8 2003/03/07 18:08:10 tng * Return a reference instead of void for operator= * * Revision 1.7 2003/01/31 00:30:48 jberry * Syntax error in declaration * * Revision 1.6 2003/01/28 18:32:33 peiyongz * Bug#13694: Allow Xerces to write the BOM to XML files * * Revision 1.5 2003/01/24 20:20:22 tng * Add method flush to XMLFormatTarget * * Revision 1.4 2002/11/04 15:00:21 tng * C++ Namespace Support. * * Revision 1.3 2002/07/30 16:29:16 tng * [Bug 8550] No explanation of XMLFormatter escape options. * * Revision 1.2 2002/06/21 19:31:23 peiyongz * getTranscoder() added; * * Revision 1.1.1.1 2002/02/01 22:21:52 peiyongz * sane_include * * Revision 1.7 2000/10/17 19:25:38 andyh * XMLFormatTarget, removed version of writeChars with no length. Can not be * safely used, and obscured other errors. * * Revision 1.6 2000/10/10 23:54:58 andyh * XMLFormatter patch, contributed by Bill Schindler. Fix problems with * output to multi-byte encodings. * * Revision 1.5 2000/04/07 01:01:56 roddey * Fixed an error message so that it indicated the correct radix for the rep * token. Get all of the basic output formatting functionality in place for * at least ICU and Win32 transcoders. * * Revision 1.4 2000/04/06 23:50:38 roddey * Now the low level formatter handles doing char refs for * unrepresentable chars (in addition to the replacement char style * already done.) * * Revision 1.3 2000/04/06 19:09:21 roddey * Some more improvements to output formatting. Now it will correctly * handle doing the 'replacement char' style of dealing with chars * that are unrepresentable. * * Revision 1.2 2000/04/05 00:20:16 roddey * More updates for the low level formatted output support * * Revision 1.1 2000/03/28 19:43:17 roddey * Fixes for signed/unsigned warnings. New work for two way transcoding * stuff. * */ #if !defined(XMLFORMATTER_HPP) #define XMLFORMATTER_HPP #include <xercesc/util/PlatformUtils.hpp> XERCES_CPP_NAMESPACE_BEGIN class XMLFormatTarget; class XMLTranscoder; class XMLFormatter : public XMemory { public: // ----------------------------------------------------------------------- // Class types // ----------------------------------------------------------------------- enum EscapeFlags { NoEscapes , StdEscapes , AttrEscapes , CharEscapes // Special values, don't use directly , EscapeFlags_Count , DefaultEscape = 999 }; enum UnRepFlags { UnRep_Fail , UnRep_CharRef , UnRep_Replace , DefaultUnRep = 999 }; // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- XMLFormatter ( const XMLCh* const outEncoding , const XMLCh* const docVersion , XMLFormatTarget* const target , const EscapeFlags escapeFlags = NoEscapes , const UnRepFlags unrepFlags = UnRep_Fail , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); XMLFormatter ( const char* const outEncoding , const char* const docVersion , XMLFormatTarget* const target , const EscapeFlags escapeFlags = NoEscapes , const UnRepFlags unrepFlags = UnRep_Fail , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); XMLFormatter ( const XMLCh* const outEncoding , XMLFormatTarget* const target , const EscapeFlags escapeFlags = NoEscapes , const UnRepFlags unrepFlags = UnRep_Fail , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); XMLFormatter ( const char* const outEncoding , XMLFormatTarget* const target , const EscapeFlags escapeFlags = NoEscapes , const UnRepFlags unrepFlags = UnRep_Fail , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); ~XMLFormatter(); // ----------------------------------------------------------------------- // Formatting methods // ----------------------------------------------------------------------- void formatBuf ( const XMLCh* const toFormat , const unsigned int count , const EscapeFlags escapeFlags = DefaultEscape , const UnRepFlags unrepFlags = DefaultUnRep ); XMLFormatter& operator<< ( const XMLCh* const toFormat ); XMLFormatter& operator<< ( const XMLCh toFormat ); void writeBOM(const XMLByte* const toFormat , const unsigned int count); // ----------------------------------------------------------------------- // Getter methods // ----------------------------------------------------------------------- const XMLCh* getEncodingName() const; inline const XMLTranscoder* getTranscoder() const; // ----------------------------------------------------------------------- // Setter methods // ----------------------------------------------------------------------- void setEscapeFlags ( const EscapeFlags newFlags ); void setUnRepFlags ( const UnRepFlags newFlags ); XMLFormatter& operator<< ( const EscapeFlags newFlags ); XMLFormatter& operator<< ( const UnRepFlags newFlags ); private : // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- XMLFormatter(); XMLFormatter(const XMLFormatter&); XMLFormatter& operator=(const XMLFormatter&); // ----------------------------------------------------------------------- // Private class constants // ----------------------------------------------------------------------- enum Constants { kTmpBufSize = 16 * 1024 }; // ----------------------------------------------------------------------- // Private helper methods // ----------------------------------------------------------------------- const XMLByte* getCharRef(unsigned int & count, XMLByte* &ref, const XMLCh * stdRef); void writeCharRef(const XMLCh &toWrite); void writeCharRef(unsigned long toWrite); bool inEscapeList(const XMLFormatter::EscapeFlags escStyle , const XMLCh toCheck); unsigned int handleUnEscapedChars(const XMLCh * srcPtr, const unsigned int count, const UnRepFlags unrepFlags); void specialFormat ( const XMLCh* const toFormat , const unsigned int count , const EscapeFlags escapeFlags ); // ----------------------------------------------------------------------- // Private, non-virtual methods // // fEscapeFlags // The escape flags we were told to use in formatting. These are // defaults set in the ctor, which can be overridden on a particular // call. // // fOutEncoding // This the name of the output encoding. Saved mainly for meaningful // error messages. // // fTarget // This is the target object for the formatting operation. // // fUnRepFlags // The unrepresentable flags that indicate how to react when a // character cannot be represented in the target encoding. // // fXCoder // This the transcoder that we will use. It is created using the // encoding name we were told to use. // // fTmpBuf // An output buffer that we use to transcode chars into before we // send them off to be output. // // fAposRef // fAmpRef // fGTRef // fLTRef // fQuoteRef // These are character refs for the standard char refs, in the // output encoding. They are faulted in as required, by transcoding // them from fixed Unicode versions. // // fIsXML11 // for performance reason, we do not store the actual version string // and do the string comparison again and again. // // ----------------------------------------------------------------------- EscapeFlags fEscapeFlags; XMLCh* fOutEncoding; XMLFormatTarget* fTarget; UnRepFlags fUnRepFlags; XMLTranscoder* fXCoder; XMLByte fTmpBuf[kTmpBufSize + 4]; XMLByte* fAposRef; unsigned int fAposLen; XMLByte* fAmpRef; unsigned int fAmpLen; XMLByte* fGTRef; unsigned int fGTLen; XMLByte* fLTRef; unsigned int fLTLen; XMLByte* fQuoteRef; unsigned int fQuoteLen; bool fIsXML11; MemoryManager* fMemoryManager; }; class XMLFormatTarget : public XMemory { public: // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- virtual ~XMLFormatTarget() {} // ----------------------------------------------------------------------- // Virtual interface // ----------------------------------------------------------------------- virtual void writeChars ( const XMLByte* const toWrite , const unsigned int count , XMLFormatter* const formatter ) = 0; virtual void flush() {}; protected : // ----------------------------------------------------------------------- // Hidden constructors and operators // ----------------------------------------------------------------------- XMLFormatTarget() {}; private: // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- XMLFormatTarget(const XMLFormatTarget&); XMLFormatTarget& operator=(const XMLFormatTarget&); }; // --------------------------------------------------------------------------- // XMLFormatter: Getter methods // --------------------------------------------------------------------------- inline const XMLCh* XMLFormatter::getEncodingName() const { return fOutEncoding; } inline const XMLTranscoder* XMLFormatter::getTranscoder() const { return fXCoder; } // --------------------------------------------------------------------------- // XMLFormatter: Setter methods // --------------------------------------------------------------------------- inline void XMLFormatter::setEscapeFlags(const EscapeFlags newFlags) { fEscapeFlags = newFlags; } inline void XMLFormatter::setUnRepFlags(const UnRepFlags newFlags) { fUnRepFlags = newFlags; } inline XMLFormatter& XMLFormatter::operator<<(const EscapeFlags newFlags) { fEscapeFlags = newFlags; return *this; } inline XMLFormatter& XMLFormatter::operator<<(const UnRepFlags newFlags) { fUnRepFlags = newFlags; return *this; } XERCES_CPP_NAMESPACE_END #endif

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