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Iterate over map instead of both lists

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This commit is contained in:
Stephan van Veen 2019-05-18 14:35:37 +02:00
parent 62c2be634a
commit f2e0bd0de1
1 changed files with 10 additions and 24 deletions
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34
include/argparse.hpp
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@ -478,26 +478,20 @@ class ArgumentParser {
* @throws std::runtime_error in case of any invalid argument
*/
void parse_args_validate() {
try {
// Check if all positional arguments are parsed
std::for_each(std::begin(mPositionalArguments),
std::end(mPositionalArguments),
std::mem_fn(&Argument::validate));
// Check if all user-provided optional argument values are parsed correctly
std::for_each(std::begin(mOptionalArguments),
std::end(mOptionalArguments),
std::mem_fn(&Argument::validate));
} catch (const std::runtime_error& err) {
throw err;
}
// Check if all arguments are parsed
std::for_each(std::begin(mArgumentMap), std::end(mArgumentMap), [](const auto& argPair) {
const auto& [key, arg] = argPair;
arg->validate();
});
}
// Used by print_help.
size_t get_length_of_longest_argument(const std::vector<std::shared_ptr<Argument>>& aArguments) {
if (aArguments.empty())
size_t get_length_of_longest_argument() {
if (mArgumentMap.empty())
return 0;
std::vector<size_t> argumentLengths(aArguments.size());
std::transform(std::begin(aArguments), std::end(aArguments), std::begin(argumentLengths), [](const auto& arg) {
std::vector<size_t> argumentLengths(mArgumentMap.size());
std::transform(std::begin(mArgumentMap), std::end(mArgumentMap), std::begin(argumentLengths), [](const auto& argPair) {
const auto& [key, arg] = argPair;
const auto& names = arg->mNames;
auto maxLength = std::accumulate(std::begin(names), std::end(names), std::string::size_type{0}, [](const auto& sum, const auto& s) {
return sum + s.size() + 2; // +2 for ", "
@ -507,14 +501,6 @@ class ArgumentParser {
return *std::max_element(std::begin(argumentLengths), std::end(argumentLengths));
}
// Used by print_help.
size_t get_length_of_longest_argument() {
const auto positionalArgMaxSize = get_length_of_longest_argument(mPositionalArguments);
const auto optionalArgMaxSize = get_length_of_longest_argument(mOptionalArguments);
return std::max(positionalArgMaxSize, optionalArgMaxSize);
}
std::string mProgramName;
std::vector<ArgumentParser> mParentParsers;
std::vector<std::shared_ptr<Argument>> mPositionalArguments;