theany/argument-parser
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chore: add missing definitions to the files. remove static qualifier from the headers. add help text to the actions.

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killua
2026-03-15 23:55:06 +04:00
parent 9e646622db
commit 3552d34dac
5 changed files with 33 additions and 13 deletions
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25
src/main.cpp
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@@ -2,7 +2,6 @@
#define ALLOW_DASH_FOR_WINDOWS 0
#include <argparse>
#include <expected>
#include <fstream>
#include <iostream>
#include <parser_v2.hpp>
@@ -10,7 +9,6 @@
#include <sstream>
#include <vector>
struct Point {
int x, y;
};
@@ -45,6 +43,18 @@ template <> struct argument_parser::parsing_traits::parser_trait<std::vector<int
}
};
template <> struct argument_parser::parsing_traits::parser_trait<std::vector<std::string>> {
static std::vector<std::string> parse(const std::string &input) {
std::vector<std::string> result;
std::stringstream ss{input};
std::string item;
while (std::getline(ss, item, ',')) {
result.push_back(item);
}
return result;
}
};
const std::initializer_list<argument_parser::conventions::convention const *const> conventions = {
&argument_parser::conventions::gnu_argument_convention,
&argument_parser::conventions::gnu_equal_argument_convention,
@@ -154,14 +164,17 @@ int v2Examples() {
using namespace argument_parser::v2::flags;
argument_parser::v2::base_parser parser;
parser.add_argument<std::string>({{ShortArgument, "e"}, {LongArgument, "echo"}, {Action, echo}});
parser.add_argument<std::string>(
{{ShortArgument, "e"}, {LongArgument, "echo"}, {Action, echo}, {HelpText, "echoes given variable"}});
parser.add_argument<Point>({{ShortArgument, "ep"}, {LongArgument, "echo-point"}, {Action, echo_point}});
parser.add_argument<Point>(
{{ShortArgument, "ep"}, {LongArgument, "echo-point"}, {Action, echo_point}, {HelpText, "echoes given point"}});
parser.add_argument<std::string>({
// stores string for f/file flag
{ShortArgument, "f"},
{LongArgument, "file"},
{HelpText, "File to grep, required only if using grep"},
// if no action, falls to store operation with given type.
});
@@ -169,10 +182,12 @@ int v2Examples() {
// stores string for g/grep flag
{ShortArgument, "g"},
{LongArgument, "grep"},
{HelpText, "Grep pattern, required only if using file"},
// same as 'file' flag
});
parser.add_argument<std::string>({{ShortArgument, "c"}, {LongArgument, "cat"}, {Action, cat}});
parser.add_argument<std::string>(
{{ShortArgument, "c"}, {LongArgument, "cat"}, {Action, cat}, {HelpText, "Prints the content of the file"}});
parser.add_argument<Point>({
// { ShortArgument, "sp" }, // now if ShortArgument or LongArgument is missing, it will use it for the other.