utils/propmerge/propmerge.cxx

   1 #include <iostream>
   2 #include <string>
   3
   4 #include <simgear/props/props.hxx>
   5 #include <simgear/props/props_io.hxx>
   6 #include <simgear/structure/exception.hxx>
   7
   8 using namespace std;
   9
  10
  11 void usage()
  12 {
  13         cerr << "Usage:  propmerge [-o <outfile>] <infiles>" << endl;
  14 }
  15
  16
  17 int main(int argc, char *argv[])
  18 {
  19         if (argc < 2) {
  20                 usage();
  21                 return 1;
  22         }
  23
  24         sglog().setLogLevels(SG_ALL, SG_ALERT);
  25
  26         int numfiles = 0;
  27         string outfile;
  28         SGPropertyNode root;
  29
  30         for (int i = 1; i < argc; i++) {
  31                 string s = argv[i];
  32                 if (s == "-h" || s == "--help") {
  33                         usage();
  34                         return 0;
  35                 }
  36
  37                 if (s == "-o" || s == "--output") {
  38                         if (i + 1 == argc)
  39                                 break;
  40                         outfile = argv[++i];
  41                         continue;
  42                 }
  43
  44                 try {
  45                         readProperties(s, &root);
  46                         numfiles++;
  47                 } catch (const sg_exception &e) {
  48                         cerr << "Error: " << e.getFormattedMessage() << endl;
  49                         return 2;
  50                 }
  51         }
  52
  53         if (!numfiles) {
  54                 cerr << "Error: Nothing to merge." << endl;
  55                 return 3;
  56         }
  57
  58         try {
  59                 if (outfile.empty())
  60                         writeProperties(cout, &root, true);
  61                 else
  62                         writeProperties(outfile, &root, true);
  63
  64         } catch (const sg_exception &e) {
  65                 cerr << "Error: " << e.getFormattedMessage() << endl;
  66                 return 4;
  67         }
  68
  69         return 0;
  70 }
  71
  72