ParallelSearch/Parameters.hpp

69 lines
1.4 KiB
C++

#ifndef PARAMETERS_HPP
#define PARAMETERS_HPP
#include <string>
#include <iostream>
#include <thread>
class Parameters
{
public:
Parameters():
workerCount_(std::thread::hardware_concurrency()),
testDataLength_(4),
searchPattern_("ABC")
{};
~Parameters() {};
bool parseCmdLine(int argc, char** argv)
{
for (int i = 1; i < argc; i++)
{
std::string arg = argv[i];
if (0 == arg.compare(0, 2, "-w"))
{
workerCount_ = std::stoi(arg.substr(2));
}
else if (0 == arg.compare(0, 2, "-l"))
{
testDataLength_ = std::stoi(arg.substr(2));
}
else if (0 == arg.compare(0, 1, "-"))
{
// invalid option
return false;
}
else
{
// no leading dash ... must be pattern
searchPattern_ = arg;
}
}
return true;
}
void show_usage(const char* cmd)
{
std::cerr << "Invalid command line args" << std::endl;
std::cerr
<< "Usage: " << cmd << " [options] [search_pattern]" << std::endl
<< "Options" << std::endl
<< " -wX Number of parallel workers" << std::endl
<< " -lY Length of test-data string" << std::endl
<< std::endl;
};
unsigned WorkerCount() const { return workerCount_; };
unsigned TestDataLength() const { return testDataLength_; };
std::string SearchPattern() const { return searchPattern_; };
private:
unsigned workerCount_;
unsigned testDataLength_;
std::string searchPattern_;
};
#endif