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Do not require -o to be passed when printing extents

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This commit is contained in:
sfan5 2018-10-20 22:36:27 +02:00
parent 8e8cc3d1f2
commit f909304e1e
1 changed files with 21 additions and 16 deletions
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37
mapper.cpp
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@ -95,18 +95,13 @@ int main(int argc, char *argv[])
std::string colors = ""; std::string colors = "";
TileGenerator generator; TileGenerator generator;
int option_index = 0;
int c = 0;
bool onlyPrintExtent = false; bool onlyPrintExtent = false;
while (1) { while (1) {
c = getopt_long(argc, argv, "hi:o:", long_options, &option_index); int option_index;
if (c == -1) { int c = getopt_long(argc, argv, "hi:o:", long_options, &option_index);
if (input.empty() || output.empty()) { if (c == -1)
usage(); break; // done
return 0;
}
break;
}
switch (c) { switch (c) {
case 'h': case 'h':
usage(); usage();
@ -208,14 +203,24 @@ int main(int argc, char *argv[])
exit(1); exit(1);
} }
} }
if(colors == "")
colors = search_colors(input); if (input.empty() || (!onlyPrintExtent && output.empty())) {
usage();
return 0;
}
try { try {
generator.parseColorsFile(colors);
if (onlyPrintExtent) if (onlyPrintExtent) {
generator.printGeometry(input); generator.printGeometry(input);
else return 0;
generator.generate(input, output); }
if(colors == "")
colors = search_colors(input);
generator.parseColorsFile(colors);
generator.generate(input, output);
} catch(std::runtime_error e) { } catch(std::runtime_error e) {
std::cerr << "Exception: " << e.what() << std::endl; std::cerr << "Exception: " << e.what() << std::endl;
return 1; return 1;