Function parse_section

docopt.cpp:165–188

}

static std::vector<std::string> parse_section(std::string const& name, std::string const& source) {
	// ECMAScript regex only has "?=" for a non-matching lookahead. In order to make sure we always have
	// a newline to anchor our matching, we have to avoid matching the final newline of each grouping.
	// Therefore, our regex is adjusted from the docopt Python one to use ?= to match the newlines before
	// the following lines, rather than after.
	std::regex const re_section_pattern {
		"(?:^|\\n)"  // anchored at a linebreak (or start of string)
		"("
		   "[^\\n]*" + name + "[^\\n]*(?=\\n?)" // a line that contains the name
		   "(?:\\n[ \\t].*?(?=\\n|$))*"         // followed by any number of lines that are indented
		")",
		std::regex::icase
	};

	std::vector<std::string> ret;
	std::for_each(std::sregex_iterator(source.begin(), source.end(), re_section_pattern),
		      std::sregex_iterator(),
		      [&](std::smatch const& match)
	{
		ret.push_back(trim(match[1].str()));
	});

	return ret;
}

static bool is_argument_spec(std::string const& token) {
	if (token.empty())