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xml.h

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00001 // Copyright (C) 2001-2005 Open Source Telecom Corporation.
00002 //
00003 // This program is free software; you can redistribute it and/or modify
00004 // it under the terms of the GNU General Public License as published by
00005 // the Free Software Foundation; either version 2 of the License, or
00006 // (at your option) any later version.
00007 // 
00008 // This program is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011 // GNU General Public License for more details.
00012 // 
00013 // You should have received a copy of the GNU General Public License
00014 // along with this program; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00016 // 
00017 // As a special exception, you may use this file as part of a free software
00018 // library without restriction.  Specifically, if other files instantiate
00019 // templates or use macros or inline functions from this file, or you compile
00020 // this file and link it with other files to produce an executable, this
00021 // file does not by itself cause the resulting executable to be covered by
00022 // the GNU General Public License.  This exception does not however    
00023 // invalidate any other reasons why the executable file might be covered by
00024 // the GNU General Public License.    
00025 //
00026 // This exception applies only to the code released under the name GNU
00027 // Common C++.  If you copy code from other releases into a copy of GNU
00028 // Common C++, as the General Public License permits, the exception does
00029 // not apply to the code that you add in this way.  To avoid misleading
00030 // anyone as to the status of such modified files, you must delete
00031 // this exception notice from them.
00032 //
00033 // If you write modifications of your own for GNU Common C++, it is your choice
00034 // whether to permit this exception to apply to your modifications.
00035 // If you do not wish that, delete this exception notice.
00036 //
00037 
00043 #ifndef CCXX_XML_H_
00044 #define CCXX_XML_H_
00045 
00046 #ifndef CCXX_MISSING_H_
00047 #include <cc++/missing.h>
00048 #endif
00049 
00050 #ifndef CCXX_THREAD_H_
00051 #include <cc++/thread.h>
00052 #endif
00053 
00054 #ifndef CCXX_SLOG_H_
00055 #include <cc++/slog.h>
00056 #endif
00057 
00058 #ifdef  CCXX_NAMESPACES
00059 namespace ost {
00060 #endif
00061 
00072 class __EXPORT XMLStream
00073 {
00074 #ifndef HAVE_LIBXML
00075 private:
00076         int ecount, dcount;
00077         enum { TAG, CDATA, COMMENT, DTD, AMP, NONE} state;
00078         char dbuf[8192];
00079         unsigned dp;
00080         bool parseChunk(const char *chunk, size_t len);
00081         void parseInit(void);
00082         bool parseTag(void);
00083         void putData(char c);
00084         void clrData(void);
00085 
00086 #endif
00087 public:
00097         virtual bool open(const char *resource);
00098 
00103         virtual void close(void);
00104 
00110         virtual Slog::Level getLogging(void);
00111 
00119         virtual void comment(const unsigned char *text, size_t len);
00120 
00128         virtual int read(unsigned char *buffer, size_t len) = 0;
00129 
00137         virtual void characters(const unsigned char *text, size_t len) = 0;
00138 
00142         virtual void startDocument(void);
00143 
00147         virtual void endDocument(void);
00148 
00155         virtual void startElement(const unsigned char *name, const unsigned char **attr) = 0;
00156 
00162         virtual void endElement(const unsigned char *name) = 0;
00163 
00170         bool parse(const char *resource = NULL);
00171 };
00172 
00182 class __EXPORT XMLRPC : public XMLStream
00183 {
00184 private:
00185 #ifdef HAVE_SSTREAM
00186         std::stringstream strBuf;
00187 #else
00188         char *buffer;
00189         std::strstream *oldStrBuf;
00190         size_t bufSize;
00191 #endif
00192         bool structFlag;
00193         bool reply, fault;
00194         unsigned array;
00195         
00196 protected:
00206         virtual bool post(const char *resource, const char *msg) = 0;
00207         
00211         void begStruct(void);
00212 
00213 public:
00221         XMLRPC(size_t bufferSize = 512);
00222         
00226         virtual ~XMLRPC();
00227 
00231         void begArray(void);
00232 
00236         void endArray(void);
00237         
00243         void invoke(const char *method);
00244 
00250         void response(bool fault);
00251         
00257         void addParam(bool value);
00258 
00265         void addMember(const char *name, bool value);
00266 
00272         void addParam(long value);
00273 
00280         void addMember(const char *name, long value);
00281 
00287         void addParam(const char *string);
00288 
00295         void addMember(const char *name, const char *value);
00296 
00300         void endStruct(void);
00301         
00308         bool send(const char *resource);
00309 };
00310 
00311 //#else
00312 //#error "XML support has been selected, but libxml could not be found"
00313 //#endif // ifdef HAVE_XML
00314 
00315 //#else
00316 //#error "XML support is not available."
00317 //#endif // ifdef COMMON_XML_PARSING
00318         
00319 #ifdef  CCXX_NAMESPACES
00320 }
00321 #endif
00322 
00323 #endif
00324 

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