xmlfetch.cpp

00001 // Copyright (C) 2001 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 to the GNU General Public License, permission is 
00018 // granted for additional uses of the text contained in its release 
00019 // of Common C++.
00020 // 
00021 // The exception is that, if you link the Common C++ library with other
00022 // files to produce an executable, this does not by itself cause the
00023 // resulting executable to be covered by the GNU General Public License.
00024 // Your use of that executable is in no way restricted on account of
00025 // linking the Common C++ library code into it.
00026 //
00027 // This exception does not however invalidate any other reasons why
00028 // the executable file might be covered by the GNU General Public License.
00029 //
00030 // This exception applies only to the code released under the 
00031 // name Common C++.  If you copy code from other releases into a copy of
00032 // Common C++, as the General Public License permits, the exception does
00033 // not apply to the code that you add in this way.  To avoid misleading
00034 // anyone as to the status of such modified files, you must delete
00035 // this exception notice from them.
00036 // 
00037 // If you write modifications of your own for Common C++, it is your choice
00038 // whether to permit this exception to apply to your modifications.
00039 // If you do not wish that, delete this exception notice.
00040 
00041 #include <cc++/common.h>
00042 #include <iostream>
00043 #include <cstdlib>
00044 
00045 #ifdef  CCXX_NAMESPACES
00046 using namespace std;
00047 using namespace ost;
00048 #endif
00049 
00050 class myXMLParser : public URLStream, public XMLStream
00051 {
00052 private:
00053         void httpHeader(const char *header, const char *value)
00054         {
00055                 cout << "HEADER " << header << "=" << value << endl;
00056         }       
00057 
00058         int read(unsigned char *buffer, size_t len)
00059         {
00060                 URLStream::read((char *)buffer, len);
00061                 len = gcount();
00062                 return len;
00063         }
00064 
00065         void startDocument(void)
00066         {
00067                 cout << "START DOCUMENT" << endl;
00068         }
00069 
00070         void endDocument(void)
00071         {
00072                 cout << "END DOCUMENT" << endl;
00073         }
00074 
00075         void characters(const unsigned char *text, size_t len)
00076         {
00077                 cout << "CHARS=";
00078                 while(len--)
00079                         cout << *(text++);
00080                 cout << endl;
00081         }
00082 
00083         void comment(const char *text)
00084         {
00085                 cout << "COMMENT=" << text << endl;
00086         }
00087 
00088         void startElement(const unsigned char *name, const unsigned char **attr)
00089         {
00090                 cout << "<" << name;
00091                 if(attr)
00092                 {
00093                         while(*attr)
00094                         {
00095                                 cout << " " << *(attr++);
00096                                 cout << "=" << *(attr++);
00097                         }
00098                 }
00099                 cout << ">" << endl;
00100         }
00101 
00102         void endElement(const unsigned char *name)
00103         {
00104                 cout << "</" << name << ">" << endl;
00105         }
00106 public:
00107         void Close(void)
00108         {
00109                 URLStream::close();
00110         }
00111 };
00112 
00113 int main(int argc, char **argv)
00114 {
00115         myXMLParser xml;
00116         URLStream::Error status;
00117 
00118 //      url.setProxy("home.sys", 8000);
00119 #ifdef  CCXX_EXCEPTIONS
00120         try
00121         {
00122 #endif
00123                 while(--argc)
00124                 {
00125                         ++argv;
00126                         cout << "fetching " << *argv << endl;
00127                         status = xml.get(*argv);
00128                         if(status)
00129                         {
00130                                 cout << "failed; reason=" << status << endl;
00131                                 xml.Close();
00132                                 continue;
00133                         }
00134                         cout << "Parsing..." << endl;
00135                         if(!xml.parse())
00136                                 cout << "not well formed..." << endl;
00137                         xml.Close();
00138                         cout << ends;
00139                 }
00140 #ifdef  CCXX_EXCEPTIONS
00141         }
00142         catch(...)
00143         {
00144                 cerr << "url " << *argv << " failed" << endl;
00145         }
00146 #endif
00147 }
00148 

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