2019-05-17 10:00:49 +02:00

84 lines
2.6 KiB
C++
Executable File

#include "CmdLineParser.h"
#include <cstdio>
#include <cstring>
#include <iostream>
#include <iterator>
#include <sstream>
void CmdLineParser::Print() {
std::cout << "\nCmdLineParser::Print()\n";
std::cout << "\tmulti_id: " << multi_id_
<< ", detector_id: " << detector_id_ << std::endl;
std::cout << "\texecutable: " << executable_ << '\n';
std::cout << "\tcommand: " << command_ << '\n';
std::cout << "\tn_arguments: " << n_arguments() << '\n';
std::cout << "\targuments: ";
for (const auto &argument : arguments_) {
std::cout << argument << " ";
}
std::cout << "\n\n";
};
void CmdLineParser::Parse(int argc, const char * const argv[]) {
executable_ = argv[0]; //first arg is calling binary
if (argc > 1) {
DecodeIdAndPosition(argv[1]);
for (int i = 2; i < argc; ++i) {
arguments_.emplace_back(argv[i]);
}
}
}
void CmdLineParser::Parse(const std::string &s) {
std::istringstream iss(s);
auto it = std::istream_iterator<std::string>(iss);
command_ = *it++;
arguments_ =
std::vector<std::string>(it, std::istream_iterator<std::string>());
DecodeIdAndPosition(command_.c_str());
}
void CmdLineParser::DecodeIdAndPosition(const char *c) {
bool contains_id = std::strchr(c, '-') != nullptr;
bool contains_pos = std::strchr(c, ':') != nullptr;
char tmp[100];
if (contains_id && contains_pos) {
int r = sscanf(c, "%d-%d:%s", &multi_id_, &detector_id_, tmp);
if (r != 3) {
throw(std::invalid_argument(
"Cannot decode client or detector id from: \"" +
std::string(c) + "\"\n"));
}
command_ = tmp;
} else if (contains_id && !contains_pos) {
int r = sscanf(c, "%d-%s", &multi_id_, tmp);
if (r != 2) {
throw(std::invalid_argument("Cannot decode client id from: \"" +
std::string(c) + "\"\n"));
}
command_ = tmp;
} else if (!contains_id && contains_pos) {
int r = sscanf(c, "%d:%s", &detector_id_, tmp);
if (r != 2) {
throw(std::invalid_argument("Cannot decode detector id from: \"" +
std::string(c) + "\"\n"));
}
command_ = tmp;
} else {
command_ = c;
}
}
std::vector<const char *> CmdLineParser::argv() const {
std::vector<const char *> vec;
if (command_.empty() != true) {
vec.push_back(&command_.front());
}
for (auto &arg : arguments_) {
vec.push_back(&arg.front());
}
return vec;
}