src/metaproxy_prog.cpp

   1 /* $Id: metaproxy_prog.cpp,v 1.7 2006-11-29 22:37:08 marc Exp $
   2    Copyright (c) 2005-2006, Index Data.
   3
   4    See the LICENSE file for details
   5  */
   6
   7 #include "config.hpp"
   8
   9 #include <boost/program_options.hpp>
  10 namespace po = boost::program_options;
  11
  12 #include <iostream>
  13 #include <stdexcept>
  14 #include <libxml/xinclude.h>
  15
  16 #include "filter.hpp"
  17 #include "package.hpp"
  18 #include "router_flexml.hpp"
  19 #include "factory_static.hpp"
  20
  21 namespace mp = metaproxy_1;
  22
  23 int main(int argc, char **argv)
  24 {
  25     try
  26     {
  27         po::options_description desc("Allowed options");
  28         desc.add_options()
  29             ("help,h", "produce help message")
  30             ("version,V", "show version")
  31             ("config", po::value< std::vector<std::string> >(), "xml config")
  32             ;
  33
  34         po::positional_options_description p;
  35         p.add("config", -1);
  36
  37         po::variables_map vm;
  38         po::store(po::command_line_parser(argc, argv).
  39                   options(desc).positional(p).run(), vm);
  40         po::notify(vm);
  41
  42         if (vm.count("help")) {
  43             std::cout << desc << "\n";
  44             return 1;
  45         }
  46         if (vm.count("version")) {
  47             std::cout << "Metaproxy " VERSION "\n";
  48             return 0;
  49         }
  50         xmlDocPtr doc = 0;
  51         if (vm.count("config"))
  52         {
  53             std::vector<std::string> config_fnames =
  54                 vm["config"].as< std::vector<std::string> >();
  55
  56             if (config_fnames.size() != 1)
  57             {
  58                 std::cerr << "Only one configuration must be given\n";
  59                 std::exit(1);
  60             }
  61
  62             // need to parse with xinclude tags
  63             // XML_PARSE_XINCLUDE XML_PARSE_NOBLANKS
  64             // XML_PARSE_NSCLEAN XML_PARSE_NONET
  65             doc = xmlReadFile(config_fnames[0].c_str(),
  66                               NULL,
  67                               XML_PARSE_XINCLUDE + XML_PARSE_NOBLANKS
  68                               + XML_PARSE_NSCLEAN + XML_PARSE_NONET );
  69
  70             if (!doc)
  71             {
  72                 std::cerr << "XML parsing failed\n";
  73                 std::exit(1);
  74             }
  75             // and perform Xinclude then
  76             if (xmlXIncludeProcess(doc) <= 0) {
  77                 std::cerr << "XInclude processing failed\n";
  78                 std::exit(1);
  79             }
  80         }
  81         else
  82         {
  83             std::cerr << "No configuration given\n";
  84             std::exit(1);
  85         }
  86         if (doc)
  87         {
  88             try {
  89                 mp::FactoryStatic factory;
  90                 mp::RouterFleXML router(doc, factory);
  91                 mp::Package pack;
  92                 pack.router(router).move();
  93             }
  94             catch (std::runtime_error &e) {
  95                 std::cerr << "std::runtime error: " << e.what() << "\n";
  96                 std::exit(1);
  97             }
  98             xmlFreeDoc(doc);
  99         }
 100     }
 101     catch (po::unknown_option &e) {
 102         std::cerr << e.what() << "; use --help for list of options\n";
 103         std::exit(1);
 104     }
 105     catch (std::logic_error &e) {
 106         std::cerr << "std::logic error: " << e.what() << "\n";
 107         std::exit(1);
 108     }
 109     catch (std::runtime_error &e) {
 110         std::cerr << "std::runtime error: " << e.what() << "\n";
 111         std::exit(1);
 112     }
 113     catch ( ... ) {
 114         std::cerr << "Unknown Exception" << std::endl;
 115         std::exit(1);
 116     }
 117     std::exit(0);
 118 }
 119
 120
 121 /*
 122  * Local variables:
 123  * c-basic-offset: 4
 124  * indent-tabs-mode: nil
 125  * c-file-style: "stroustrup"
 126  * End:
 127  * vim: shiftwidth=4 tabstop=8 expandtab
 128  */