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 
00088 protected:
00089         virtual ~XMLStream();
00090 
00091 public:
00101         virtual bool open(const char *resource);
00102 
00107         virtual void close(void);
00108 
00114         virtual Slog::Level getLogging(void);
00115 
00123         virtual void comment(const unsigned char *text, size_t len);
00124 
00132         virtual int read(unsigned char *buffer, size_t len) = 0;
00133 
00141         virtual void characters(const unsigned char *text, size_t len) = 0;
00142 
00146         virtual void startDocument(void);
00147 
00151         virtual void endDocument(void);
00152 
00159         virtual void startElement(const unsigned char *name, const unsigned char **attr) = 0;
00160 
00166         virtual void endElement(const unsigned char *name) = 0;
00167 
00174         bool parse(const char *resource = NULL);
00175 };
00176 
00186 class __EXPORT XMLRPC : public XMLStream
00187 {
00188 private:
00189 #ifdef HAVE_SSTREAM
00190         std::stringstream strBuf;
00191 #else
00192         char *buffer;
00193         std::strstream *oldStrBuf;
00194         size_t bufSize;
00195 #endif
00196         bool structFlag;
00197         bool reply, fault;
00198         unsigned array;
00199         
00200 protected:
00210         virtual bool post(const char *resource, const char *msg) = 0;
00211         
00215         void begStruct(void);
00216 
00217 public:
00225         XMLRPC(size_t bufferSize = 512);
00226         
00230         virtual ~XMLRPC();
00231 
00235         void begArray(void);
00236 
00240         void endArray(void);
00241         
00247         void invoke(const char *method);
00248 
00254         void response(bool fault);
00255         
00261         void addParam(bool value);
00262 
00269         void addMember(const char *name, bool value);
00270 
00276         void addParam(long value);
00277 
00284         void addMember(const char *name, long value);
00285 
00291         void addParam(const char *string);
00292 
00299         void addMember(const char *name, const char *value);
00300 
00304         void endStruct(void);
00305         
00312         bool send(const char *resource);
00313 };
00314 
00315 //#else
00316 //#error "XML support has been selected, but libxml could not be found"
00317 //#endif // ifdef HAVE_XML
00318 
00319 //#else
00320 //#error "XML support is not available."
00321 //#endif // ifdef COMMON_XML_PARSING
00322         
00323 #ifdef  CCXX_NAMESPACES
00324 }
00325 #endif
00326 
00327 #endif
00328 

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