Method docopt_parse

docopt.cpp:611–659

}

DOCOPT_INLINE
docopt::Options
docopt::docopt_parse(std::string const& doc,
		     std::vector<std::string> const& argv,
		     bool help,
		     bool version,
		     bool options_first)
{
	Required pattern;
	std::vector<Option> options;
	try {
		std::tie(pattern, options) = create_pattern_tree(doc);
	} catch (Tokens::OptionError const& error) {
		throw DocoptLanguageError(error.what());
	}

	PatternList argv_patterns;
	try {
		argv_patterns = parse_argv(Tokens(argv), options, options_first);
	} catch (Tokens::OptionError const& error) {
		throw DocoptArgumentError(error.what());
	}

	extras(help, version, argv_patterns);

	std::vector<std::shared_ptr<LeafPattern>> collected;
	bool matched = pattern.fix().match(argv_patterns, collected);
	if (matched && argv_patterns.empty()) {
		docopt::Options ret;

		// (a.name, a.value) for a in (pattern.flat() + collected)
		for (auto* p : pattern.leaves()) {
			ret[p->name()] = p->getValue();
		}

		for (auto const& p : collected) {
			ret[p->name()] = p->getValue();
		}

		return ret;
	}

	if (matched) {
		std::string leftover = join(argv.begin(), argv.end(), ", ");
		throw DocoptArgumentError("Unexpected argument: " + leftover);
	}

	throw DocoptArgumentError("Arguments did not match expected patterns"); // BLEH. Bad error.
}

DOCOPT_INLINE
docopt::Options