GNU CommonC++

xml.h

Go to the documentation of this file.
00001 // Copyright (C) 2001-2005 Open Source Telecom Corporation.
00002 // Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
00003 //
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 2 of the License, or
00007 // (at your option) any later version.
00008 //
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 //
00018 // As a special exception, you may use this file as part of a free software
00019 // library without restriction.  Specifically, if other files instantiate
00020 // templates or use macros or inline functions from this file, or you compile
00021 // this file and link it with other files to produce an executable, this
00022 // file does not by itself cause the resulting executable to be covered by
00023 // the GNU General Public License.  This exception does not however
00024 // invalidate any other reasons why the executable file might be covered by
00025 // the GNU General Public License.
00026 //
00027 // This exception applies only to the code released under the name GNU
00028 // Common C++.  If you copy code from other releases into a copy of GNU
00029 // Common C++, as the General Public License permits, the exception does
00030 // not apply to the code that you add in this way.  To avoid misleading
00031 // anyone as to the status of such modified files, you must delete
00032 // this exception notice from them.
00033 //
00034 // If you write modifications of your own for GNU Common C++, it is your choice
00035 // whether to permit this exception to apply to your modifications.
00036 // If you do not wish that, delete this exception notice.
00037 //
00038 
00044 #ifndef CCXX_XML_H_
00045 #define CCXX_XML_H_
00046 
00047 #ifndef CCXX_MISSING_H_
00048 #include <cc++/missing.h>
00049 #endif
00050 
00051 #ifndef CCXX_THREAD_H_
00052 #include <cc++/thread.h>
00053 #endif
00054 
00055 #ifndef CCXX_SLOG_H_
00056 #include <cc++/slog.h>
00057 #endif
00058 
00059 #ifdef  CCXX_NAMESPACES
00060 namespace ost {
00061 #endif
00062 
00073 class __EXPORT XMLStream
00074 {
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 protected:
00087     virtual ~XMLStream();
00088 
00089 public:
00099     virtual bool open(const char *resource);
00100 
00105     virtual void close(void);
00106 
00112     virtual Slog::Level getLogging(void);
00113 
00121     virtual void comment(const unsigned char *text, size_t len);
00122 
00130     virtual int read(unsigned char *buffer, size_t len) = 0;
00131 
00139     virtual void characters(const unsigned char *text, size_t len) = 0;
00140 
00144     virtual void startDocument(void);
00145 
00149     virtual void endDocument(void);
00150 
00157     virtual void startElement(const unsigned char *name, const unsigned char **attr) = 0;
00158 
00164     virtual void endElement(const unsigned char *name) = 0;
00165 
00172     bool parse(const char *resource = NULL);
00173 };
00174 
00184 class __EXPORT XMLRPC : public XMLStream
00185 {
00186 private:
00187 #ifdef HAVE_SSTREAM
00188     std::stringstream strBuf;
00189 #else
00190     char *buffer;
00191     std::strstream *oldStrBuf;
00192     size_t bufSize;
00193 #endif
00194     bool structFlag;
00195     bool reply, fault;
00196     unsigned array;
00197 
00198 protected:
00208     virtual bool post(const char *resource, const char *msg) = 0;
00209 
00213     void begStruct(void);
00214 
00215 public:
00223     XMLRPC(size_t bufferSize = 512);
00224 
00228     virtual ~XMLRPC();
00229 
00233     void begArray(void);
00234 
00238     void endArray(void);
00239 
00245     void invoke(const char *method);
00246 
00252     void response(bool fault);
00253 
00259     void addParam(bool value);
00260 
00267     void addMember(const char *name, bool value);
00268 
00274     void addParam(long value);
00275 
00282     void addMember(const char *name, long value);
00283 
00289     void addParam(const char *string);
00290 
00297     void addMember(const char *name, const char *value);
00298 
00302     void endStruct(void);
00303 
00310     bool send(const char *resource);
00311 };
00312 
00313 //#else
00314 //#error "XML support has been selected, but libxml could not be found"
00315 //#endif // ifdef HAVE_XML
00316 
00317 //#else
00318 //#error "XML support is not available."
00319 //#endif // ifdef COMMON_XML_PARSING
00320 
00321 #ifdef  CCXX_NAMESPACES
00322 }
00323 #endif
00324 
00325 #endif
00326