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                 cout << "HEADER " << header << "=" << value << endl;
00055         }
00056 
00057         int read(unsigned char *buffer, size_t len) {
00058                 URLStream::read((char *)buffer, len);
00059                 len = gcount();
00060                 return len;
00061         }
00062 
00063         void startDocument(void) {
00064                 cout << "START DOCUMENT" << endl;
00065         }
00066 
00067         void endDocument(void) {
00068                 cout << "END DOCUMENT" << endl;
00069         }
00070 
00071         void characters(const unsigned char *text, size_t len) {
00072                 cout << "CHARS=";
00073                 while(len--)
00074                         cout << *(text++);
00075                 cout << endl;
00076         }
00077 
00078         void comment(const char *text) {
00079                 cout << "COMMENT=" << text << endl;
00080         }
00081 
00082         void startElement(const unsigned char *name, const unsigned char **attr) {
00083                 cout << "<" << name;
00084                 if(attr) {
00085                         while(*attr) {
00086                                 cout << " " << *(attr++);
00087                                 cout << "=" << *(attr++);
00088                         }
00089                 }
00090                 cout << ">" << endl;
00091         }
00092 
00093         void endElement(const unsigned char *name) {
00094                 cout << "</" << name << ">" << endl;
00095         }
00096 public:
00097         void Close(void) {
00098                 URLStream::close();
00099         }
00100 };
00101 
00102 int main(int argc, char **argv)
00103 {
00104         myXMLParser xml;
00105         URLStream::Error status;
00106 
00107 //      url.setProxy("home.sys", 8000);
00108 #ifdef  CCXX_EXCEPTIONS
00109         try {
00110 #endif
00111                 while(--argc) {
00112                         ++argv;
00113                         cout << "fetching " << *argv << endl;
00114                         status = xml.get(*argv);
00115                         if(status) {
00116                                 cout << "failed; reason=" << status << endl;
00117                                 xml.Close();
00118                                 continue;
00119                         }
00120                         cout << "Parsing..." << endl;
00121                         if(!xml.parse())
00122                                 cout << "not well formed..." << endl;
00123                         xml.Close();
00124                         cout << ends;
00125                 }
00126 #ifdef  CCXX_EXCEPTIONS
00127         }
00128         catch(...) {
00129                 cerr << "url " << *argv << " failed" << endl;
00130         }
00131 #endif
00132 }
00133 

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