diff options
Diffstat (limited to 'src/cam/options.cpp')
| -rw-r--r-- | src/cam/options.cpp | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/src/cam/options.cpp b/src/cam/options.cpp index 135dd762..721a808a 100644 --- a/src/cam/options.cpp +++ b/src/cam/options.cpp @@ -100,6 +100,7 @@ struct Option { bool hasShortOption() const { return isalnum(opt); } bool hasLongOption() const { return name != nullptr; } const char *typeName() const; + std::string optionName() const; }; /** @@ -125,6 +126,20 @@ const char *Option::typeName() const return "unknown"; } +/** + * \brief Retrieve a string describing the option name, with leading dashes + * \return A string describing the option name, as a long option identifier + * (double dash) if the option has a name, or a short option identifier (single + * dash) otherwise + */ +std::string Option::optionName() const +{ + if (name) + return "--" + std::string(name); + else + return "-" + std::string(1, opt); +} + /* ----------------------------------------------------------------------------- * OptionBase<T> */ @@ -865,7 +880,9 @@ OptionsParser::Options OptionsParser::parse(int argc, char **argv) const Option &option = *optionsMap_[c]; if (!options.parseValue(c, option, optarg)) { - parseValueError(option); + std::cerr << "Can't parse " << option.typeName() + << " argument for option " << option.optionName() + << std::endl; usage(); return options; } @@ -952,16 +969,3 @@ void OptionsParser::usage() option.keyValueParser->usage(indent); } } - -void OptionsParser::parseValueError(const Option &option) -{ - std::string optionName; - - if (option.name) - optionName = "--" + std::string(option.name); - else - optionName = "-" + std::string(1, option.opt); - - std::cerr << "Can't parse " << option.typeName() - << " argument for option " << optionName << std::endl; -} |