diff options
| -rw-r--r-- | args.hxx | 97 |
1 files changed, 79 insertions, 18 deletions
@@ -11,6 +11,45 @@ namespace args { + // Wrap a string into a vector of string lines + std::vector<std::string> Wrap(const std::string &in, const size_t width) + { + // Preserve existing line breaks + const size_t newlineloc = in.find('\n'); + if (newlineloc != in.npos) + { + std::vector<std::string> first(Wrap(std::string(in, 0, newlineloc), width)); + const std::vector<std::string> second(Wrap(std::string(in, newlineloc + 1), width)); + first.insert(std::end(first), std::begin(second), std::end(second)); + return first; + } + std::istringstream stream(in); + std::vector<std::string> output; + std::ostringstream line; + while (stream) + { + std::string item; + stream >> item; + if ((size_t(line.tellp()) + 1 + item.size()) > width) + { + if (line.tellp() > 0) + { + output.push_back(line.str()); + line.str(std::string()); + } + } + if (line.tellp() > 0) + { + line << " "; + } + line << item; + } + if (line.tellp() > 0) + { + output.push_back(line.str()); + } + return output; + } class ParseError : public std::runtime_error { public: @@ -366,27 +405,44 @@ namespace args Group group; public: - operator Group&() - { - return group; - } - - ArgumentParser( - const std::string &description, - const std::string &longprefix = "--", - const std::string &shortprefix = "-", - const std::string &longseparator = "=", - const std::string &prog = std::string(), - const std::string &epilog = std::string() - ) : - prog(prog), + ArgumentParser(const std::string &description) : description(description), - epilog(epilog), - longprefix(longprefix), - shortprefix(shortprefix), - longseparator(longseparator), + longprefix("--"), + shortprefix("-"), + longseparator("="), group("arguments", Group::Validators::AllChildGroups) {} + // Ugly getter/setter section + const std::string &Prog() const + { return prog; } + void Prog(const std::string &prog) + { this->prog = prog; } + + const std::string &Description() const + { return description; } + void Description(const std::string &description) + { this->description = description; } + + const std::string &Epilog() const + { return epilog; } + void Epilog(const std::string &epilog) + { this->epilog = epilog; } + + const std::string &LongPrefix() const + { return longprefix; } + void LongPrefix(const std::string &longprefix) + { this->longprefix = longprefix; } + + const std::string &ShortPrefix() const + { return shortprefix; } + void ShortPrefix(const std::string &shortprefix) + { this->shortprefix = shortprefix; } + + const std::string &LongSeparator() const + { return longseparator; } + void LongSeparator(const std::string &longseparator) + { this->longseparator = longseparator; } + void Add(Base &child) { group.Add(child); @@ -524,6 +580,11 @@ namespace args } ParseArgs(args); } + + operator Group&() + { + return group; + } }; // Boolean argument matcher |