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#include <algorithm>
#include <iostream>
double getDoubleOpt(char **begin, char **end, const std::string &option, double defaultval)
{
char **itr = std::find(begin, end, option);
if (itr != end && ++itr != end) {
double ret;
sscanf(*itr, "%lf", &ret);
return ret;
}
std::cout << "INFO: using default " << defaultval << " for option " << option << "\n";
return defaultval;
}
double getIntOpt(char **begin, char **end, const std::string &option, int defaultval)
{
char **itr = std::find(begin, end, option);
if (itr != end && ++itr != end) {
int ret;
sscanf(*itr, "%d", &ret);
return ret;
}
std::cout << "INFO: using default " << defaultval << " for option " << option << "\n";
return defaultval;
}
bool getBoolOpt(char **begin, char **end, const std::string &option, bool defaultval)
{
char **itr = std::find(begin, end, option);
if (itr != end && ++itr != end) {
bool ret =
!((*(itr[0]) == 'n') || (*(itr[0]) == 'N') || (*(itr[0]) == 'f') || (*(itr[0]) == 'F') || (*(itr[0]) == '0'));
return ret;
}
std::cout << "INFO: using default " << defaultval << " for option " << option << "\n";
return defaultval;
}
std::string getStringOpt(char **begin, char **end, const std::string &option, const std::string &defaultval)
{
char **itr = std::find(begin, end, option);
if (itr != end && ++itr != end) {
std::string ret(*itr);
std::cout << " From getStringOpt: ret=<" << ret << ">\n";
return ret;
}
std::cout << "INFO: using default " << defaultval << " for option " << option << "\n";
return defaultval;
}
#define OPTION_INT(name, defaultval) int name = getIntOpt(argv, argc + argv, "-" #name, defaultval)
#define OPTION_DOUBLE(name, defaultval) double name = getDoubleOpt(argv, argc + argv, "-" #name, defaultval)
#define OPTION_BOOL(name, defaultval) bool name = getBoolOpt(argv, argc + argv, "-" #name, defaultval)
#define OPTION_STRING(name, defaultval) std::string name = getStringOpt(argv, argc + argv, "-" #name, defaultval)
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