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feat: improve the readability of the generated help text. add type hints for the generation of the help text when description is not given for the variable. use sfinae for the check so that it compiles if not given.

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This commit is contained in:
killua
2026-03-16 21:50:05 +04:00
parent d5b99ef407
commit 8e502bcb8b
9 changed files with 190 additions and 79 deletions
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53
src/source/conventions/implementations/gnu_argument_convention.cpp
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@@ -40,25 +40,26 @@ namespace argument_parser::conventions::implementations {
return {}; // no fallback allowed
}
std::string gnu_argument_convention::make_help_text(std::string const &short_arg, std::string const &long_arg,
bool requires_value) const {
std::string res = "";
std::pair<std::string, std::string> gnu_argument_convention::make_help_text(std::string const &short_arg,
std::string const &long_arg,
bool requires_value) const {
std::string s_part = "";
if (short_arg != "-" && short_arg != "") {
res += short_prec() + short_arg;
s_part += short_prec() + short_arg;
if (requires_value) {
res += " <value>";
s_part += " <value>";
}
}
std::string l_part = "";
if (long_arg != "-" && long_arg != "") {
if (!res.empty()) {
res += ", ";
}
res += long_prec() + long_arg;
l_part += long_prec() + long_arg;
if (requires_value) {
res += " <value>";
l_part += " <value>";
}
}
return res;
return {s_part, l_part};
}
} // namespace argument_parser::conventions::implementations
@@ -97,26 +98,26 @@ namespace argument_parser::conventions::implementations {
return "--";
}
std::string gnu_equal_argument_convention::make_help_text(std::string const &short_arg, std::string const &long_arg,
bool requires_value) const {
std::string res = "";
std::pair<std::string, std::string> gnu_equal_argument_convention::make_help_text(std::string const &short_arg,
std::string const &long_arg,
bool requires_value) const {
std::string s_part = "";
if (short_arg != "-" && short_arg != "") {
res += short_prec() + short_arg;
s_part += short_prec() + short_arg;
if (requires_value) {
res += "=<value>";
}
}
if (long_arg != "-" && long_arg != "") {
if (!res.empty()) {
res += ", ";
}
res += long_prec() + long_arg;
if (requires_value) {
res += "=<value>";
s_part += "=<value>";
}
}
return res;
std::string l_part = "";
if (long_arg != "-" && long_arg != "") {
l_part += long_prec() + long_arg;
if (requires_value) {
l_part += "=<value>";
}
}
return {s_part, l_part};
}
std::vector<convention_features> gnu_equal_argument_convention::get_features() const {