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         int numfiles = 0;
  25         string out;
  26         SGPropertyNode root;
  27
  28         for (int i = 1; i < argc; i++) {
  29                 string s = argv[i];
  30                 if (s == "-h" || s == "--help") {
  31                         usage();
  32                         return 0;
  33                 }
  34
  35                 if (s == "-o" || s == "--output") {
  36                         if (i + 1 == argc)
  37                                 break;
  38                         out = argv[++i];
  39                         continue;
  40                 }
  41
  42                 try {
  43                         readProperties(s, &root);
  44                         numfiles++;
  45                 } catch (const sg_exception &e) {
  46                         cerr << "Error: " << e.getFormattedMessage() << endl;
  47                         return -2;
  48                 }
  49         }
  50
  51         if (!numfiles) {
  52                 cerr << "Error: Nothing to merge." << endl;
  53                 return -3;
  54         }
  55
  56         try {
  57                 if (out.empty())
  58                         writeProperties(cout, &root, true);
  59                 else
  60                         writeProperties(out, &root, true);
  61
  62         } catch (const sg_exception &e) {
  63                 cerr << "Error: " << e.getFormattedMessage() << endl;
  64                 return -4;
  65         }
  66
  67         return 0;
  68 }
  69
  70