58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
#ifndef YERBACON_ARGUMENTS_HPP
|
|
#define YERBACON_ARGUMENTS_HPP
|
|
|
|
#include <iostream>
|
|
#include <utility>
|
|
#include <string>
|
|
#include <string_view>
|
|
#include <span>
|
|
|
|
using namespace std;
|
|
|
|
class Argument {
|
|
protected:
|
|
const string longVersion;
|
|
virtual bool is(string_view str) {
|
|
bool hasPrefix = str.starts_with("--");
|
|
if (hasPrefix) str.remove_prefix(2);
|
|
return (not str.empty()) && longVersion == str && hasPrefix;
|
|
}
|
|
public:
|
|
inline bool operator ==(const string_view& it) { return is(it); }
|
|
explicit Argument(string name): longVersion(move(name)) {}
|
|
};
|
|
|
|
class ArgumentAssignable: public Argument {
|
|
vector<string_view> values;
|
|
public:
|
|
static string_view getValueFor(const string_view& str) {
|
|
const size_t definePos = str.find_last_of('=') + 1;
|
|
return str.size() > definePos ? str.substr(definePos) : string_view();
|
|
}
|
|
ArgumentAssignable(string name, const span<string_view>& possibleValues): Argument(move(name)), values() {
|
|
values.reserve(possibleValues.size());
|
|
move(possibleValues.begin(), possibleValues.end(), back_inserter(values));
|
|
}
|
|
explicit ArgumentAssignable(const string& name): ArgumentAssignable(name, span<string_view>()) {}; // To use when we don't want the argument's possible values to be checked
|
|
protected:
|
|
bool is(string_view str) override {
|
|
if (str.find_last_of('=') != string_view::npos && !str.empty()) {
|
|
return (((values.empty()) ? str.starts_with("--" + longVersion + '=') : any_of(values.begin(), values.end(), [&str](const auto& value){
|
|
return str.ends_with(value.substr(1, value.size()));
|
|
})));
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
struct ArgumentShort: Argument {
|
|
const string shortVersion;
|
|
ArgumentShort(string shortName, string name): Argument(move(name)), shortVersion(move(shortName)) {}
|
|
explicit ArgumentShort(string name): ArgumentShort(string(1, name.at(0)), name) {}
|
|
protected:
|
|
bool is(string_view string) override {
|
|
return Argument::is(string) || (!string.empty() && shortVersion == string.substr(1, string.size()));
|
|
}
|
|
};
|
|
|
|
#endif //YERBACON_ARGUMENTS_HPP
|