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LaunchAPPL: allow more flexible configuration

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This commit is contained in:
Wolfgang Thaller 2024-05-01 23:30:20 +02:00
parent ff372a8d82
commit 147252f5a4
1 changed files with 16 additions and 0 deletions
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16
LaunchAPPL/Client/LaunchAPPL.cc
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@ -60,6 +60,7 @@ static void usage()
{
std::cerr << "Usage: " << "LaunchAPPL [options] appl-file\n";
std::cerr << desc << std::endl;
std::cerr << "Options can also be specified as environment variables of the form RETRO68_LAUNCHAPPL_OPTION_NAME.\n";
std::cerr << "Defaults are read from:\n";
for(string str : configFiles)
{
@ -118,6 +119,8 @@ int main(int argc, char *argv[])
("help,h", "show this help message")
("list-emulators,l", "get the list of available, fully configured emulators/environments")
("make-executable,x", po::value<std::string>(), "make a MacBinary file executable")
("config-file", po::value<vector<string>>(), "read defaults from the given file")
;
po::options_description configdesc;
configdesc.add_options()
@ -145,6 +148,16 @@ int main(int argc, char *argv[])
.run();
po::store(parsed, options);
po::store(po::parse_environment(configdesc, [](std::string_view s) {
const std::string_view prefix = "RETRO68_LAUNCHAPPL_";
if(s.compare(0, prefix.size(), prefix) != 0)
return std::string();
std::string option(s.substr(prefix.size()));
for (char& c : option)
c = c == '_' ? '-' : std::tolower(c);
return option;
}), options);
}
catch(po::error& e)
{
@ -153,6 +166,9 @@ int main(int argc, char *argv[])
return 1;
}
if (options.count("config-file"))
configFiles = options["config-file"].as<vector<string>>();
for(string configFileName : configFiles)
{
try