diff --git a/launcher/Application.cpp b/launcher/Application.cpp index 0d1db11c..7ac36e71 100644 --- a/launcher/Application.cpp +++ b/launcher/Application.cpp @@ -78,6 +78,7 @@ #include #include +#include #include #include #include @@ -110,7 +111,6 @@ #include "translations/TranslationsModel.h" #include "meta/Index.h" -#include #include #include #include @@ -136,8 +136,6 @@ static const QLatin1String liveCheckFile("live.check"); -using namespace Commandline; - #define MACOS_HINT "If you are on macOS Sierra, you might have to move the app to your /Applications or ~/Applications folder. "\ "This usually fixes the problem and you can move the application elsewhere afterwards.\n"\ "\n" @@ -242,80 +240,27 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv) this->setQuitOnLastWindowClosed(false); // Commandline parsing - QHash args; - { - Parser parser(FlagStyle::GNU, ArgumentStyle::SpaceAndEquals); + QCommandLineParser parser; + parser.setApplicationDescription(BuildConfig.LAUNCHER_NAME); - // --help - parser.addSwitch("help"); - parser.addShortOpt("help", 'h'); - parser.addDocumentation("help", "Display this help and exit."); - // --version - parser.addSwitch("version"); - parser.addShortOpt("version", 'V'); - parser.addDocumentation("version", "Display program version and exit."); - // --dir - parser.addOption("dir"); - parser.addShortOpt("dir", 'd'); - parser.addDocumentation("dir", "Use the supplied folder as application root instead of the binary location (use '.' for current)"); - // --launch - parser.addOption("launch"); - parser.addShortOpt("launch", 'l'); - parser.addDocumentation("launch", "Launch the specified instance (by instance ID)"); - // --server - parser.addOption("server"); - parser.addShortOpt("server", 's'); - parser.addDocumentation("server", "Join the specified server on launch (only valid in combination with --launch)"); - // --profile - parser.addOption("profile"); - parser.addShortOpt("profile", 'a'); - parser.addDocumentation("profile", "Use the account specified by its profile name (only valid in combination with --launch)"); - // --alive - parser.addSwitch("alive"); - parser.addDocumentation("alive", "Write a small '" + liveCheckFile + "' file after the launcher starts"); - // --import - parser.addOption("import"); - parser.addShortOpt("import", 'I'); - parser.addDocumentation("import", "Import instance from specified zip (local path or URL)"); + parser.addOptions({ + {{"d", "dir"}, "Use a custom path as application root (use '.' for current directory)", "directory"}, + {{"l", "launch"}, "Launch the specified instance (by instance ID)", "instance"}, + {{"s", "server"}, "Join the specified server on launch (only valid in combination with --launch)", "address"}, + {{"a", "profile"}, "Use the account specified by its profile name (only valid in combination with --launch)", "profile"}, + {"alive", "Write a small '" + liveCheckFile + "' file after the launcher starts"}, + {{"I", "import"}, "Import instance from specified zip (local path or URL)", "file"} + }); + parser.addHelpOption(); + parser.addVersionOption(); - // parse the arguments - try - { - args = parser.parse(arguments()); - } - catch (const ParsingError &e) - { - std::cerr << "CommandLineError: " << e.what() << std::endl; - if(argc > 0) - std::cerr << "Try '" << argv[0] << " -h' to get help on command line parameters." - << std::endl; - m_status = Application::Failed; - return; - } + parser.process(arguments()); - // display help and exit - if (args["help"].toBool()) - { - std::cout << qPrintable(parser.compileHelp(arguments()[0])); - m_status = Application::Succeeded; - return; - } - - // display version and exit - if (args["version"].toBool()) - { - std::cout << "Version " << BuildConfig.printableVersionString().toStdString() << std::endl; - std::cout << "Git " << BuildConfig.GIT_COMMIT.toStdString() << std::endl; - m_status = Application::Succeeded; - return; - } - } - - m_instanceIdToLaunch = args["launch"].toString(); - m_serverToJoin = args["server"].toString(); - m_profileToUse = args["profile"].toString(); - m_liveCheck = args["alive"].toBool(); - m_zipToImport = args["import"].toUrl(); + m_instanceIdToLaunch = parser.value("launch"); + m_serverToJoin = parser.value("server"); + m_profileToUse = parser.value("profile"); + m_liveCheck = parser.isSet("alive"); + m_zipToImport = parser.value("import"); // error if --launch is missing with --server or --profile if((!m_serverToJoin.isEmpty() || !m_profileToUse.isEmpty()) && m_instanceIdToLaunch.isEmpty()) @@ -346,7 +291,7 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv) QString adjustedBy; QString dataPath; // change folder - QString dirParam = args["dir"].toString(); + QString dirParam = parser.value("dir"); if (!dirParam.isEmpty()) { // the dir param. it makes multimc data path point to whatever the user specified diff --git a/launcher/Commandline.cpp b/launcher/Commandline.cpp index 8e7356bb..6d97918d 100644 --- a/launcher/Commandline.cpp +++ b/launcher/Commandline.cpp @@ -92,412 +92,4 @@ QStringList splitArgs(QString args) argv << current; return argv; } - -Parser::Parser(FlagStyle::Enum flagStyle, ArgumentStyle::Enum argStyle) -{ - m_flagStyle = flagStyle; - m_argStyle = argStyle; -} - -// styles setter/getter -void Parser::setArgumentStyle(ArgumentStyle::Enum style) -{ - m_argStyle = style; -} -ArgumentStyle::Enum Parser::argumentStyle() -{ - return m_argStyle; -} - -void Parser::setFlagStyle(FlagStyle::Enum style) -{ - m_flagStyle = style; -} -FlagStyle::Enum Parser::flagStyle() -{ - return m_flagStyle; -} - -// setup methods -void Parser::addSwitch(QString name, bool def) -{ - if (m_params.contains(name)) - throw "Name not unique"; - - OptionDef *param = new OptionDef; - param->type = otSwitch; - param->name = name; - param->metavar = QString("<%1>").arg(name); - param->def = def; - - m_options[name] = param; - m_params[name] = (CommonDef *)param; - m_optionList.append(param); -} - -void Parser::addOption(QString name, QVariant def) -{ - if (m_params.contains(name)) - throw "Name not unique"; - - OptionDef *param = new OptionDef; - param->type = otOption; - param->name = name; - param->metavar = QString("<%1>").arg(name); - param->def = def; - - m_options[name] = param; - m_params[name] = (CommonDef *)param; - m_optionList.append(param); -} - -void Parser::addArgument(QString name, bool required, QVariant def) -{ - if (m_params.contains(name)) - throw "Name not unique"; - - PositionalDef *param = new PositionalDef; - param->name = name; - param->def = def; - param->required = required; - param->metavar = name; - - m_positionals.append(param); - m_params[name] = (CommonDef *)param; -} - -void Parser::addDocumentation(QString name, QString doc, QString metavar) -{ - if (!m_params.contains(name)) - throw "Name does not exist"; - - CommonDef *param = m_params[name]; - param->doc = doc; - if (!metavar.isNull()) - param->metavar = metavar; -} - -void Parser::addShortOpt(QString name, QChar flag) -{ - if (!m_params.contains(name)) - throw "Name does not exist"; - if (!m_options.contains(name)) - throw "Name is not an Option or Swtich"; - - OptionDef *param = m_options[name]; - m_flags[flag] = param; - param->flag = flag; -} - -// help methods -QString Parser::compileHelp(QString progName, int helpIndent, bool useFlags) -{ - QStringList help; - help << compileUsage(progName, useFlags) << "\r\n"; - - // positionals - if (!m_positionals.isEmpty()) - { - help << "\r\n"; - help << "Positional arguments:\r\n"; - QListIterator it2(m_positionals); - while (it2.hasNext()) - { - PositionalDef *param = it2.next(); - help << " " << param->metavar; - help << " " << QString(helpIndent - param->metavar.length() - 1, ' '); - help << param->doc << "\r\n"; - } - } - - // Options - if (!m_optionList.isEmpty()) - { - help << "\r\n"; - QString optPrefix, flagPrefix; - getPrefix(optPrefix, flagPrefix); - - help << "Options & Switches:\r\n"; - QListIterator it(m_optionList); - while (it.hasNext()) - { - OptionDef *option = it.next(); - help << " "; - int nameLength = optPrefix.length() + option->name.length(); - if (!option->flag.isNull()) - { - nameLength += 3 + flagPrefix.length(); - help << flagPrefix << option->flag << ", "; - } - help << optPrefix << option->name; - if (option->type == otOption) - { - QString arg = QString("%1%2").arg( - ((m_argStyle == ArgumentStyle::Equals) ? "=" : " "), option->metavar); - nameLength += arg.length(); - help << arg; - } - help << " " << QString(helpIndent - nameLength - 1, ' '); - help << option->doc << "\r\n"; - } - } - - return help.join(""); -} - -QString Parser::compileUsage(QString progName, bool useFlags) -{ - QStringList usage; - usage << "Usage: " << progName; - - QString optPrefix, flagPrefix; - getPrefix(optPrefix, flagPrefix); - - // options - QListIterator it(m_optionList); - while (it.hasNext()) - { - OptionDef *option = it.next(); - usage << " ["; - if (!option->flag.isNull() && useFlags) - usage << flagPrefix << option->flag; - else - usage << optPrefix << option->name; - if (option->type == otOption) - usage << ((m_argStyle == ArgumentStyle::Equals) ? "=" : " ") << option->metavar; - usage << "]"; - } - - // arguments - QListIterator it2(m_positionals); - while (it2.hasNext()) - { - PositionalDef *param = it2.next(); - usage << " " << (param->required ? "<" : "["); - usage << param->metavar; - usage << (param->required ? ">" : "]"); - } - - return usage.join(""); -} - -// parsing -QHash Parser::parse(QStringList argv) -{ - QHash map; - - QStringListIterator it(argv); - QString programName = it.next(); - - QString optionPrefix; - QString flagPrefix; - QListIterator positionals(m_positionals); - QStringList expecting; - - getPrefix(optionPrefix, flagPrefix); - - while (it.hasNext()) - { - QString arg = it.next(); - - if (!expecting.isEmpty()) - // we were expecting an argument - { - QString name = expecting.first(); -/* - if (map.contains(name)) - throw ParsingError( - QString("Option %2%1 was given multiple times").arg(name, optionPrefix)); -*/ - map[name] = QVariant(arg); - - expecting.removeFirst(); - continue; - } - - if (arg.startsWith(optionPrefix)) - // we have an option - { - // qDebug("Found option %s", qPrintable(arg)); - - QString name = arg.mid(optionPrefix.length()); - QString equals; - - if ((m_argStyle == ArgumentStyle::Equals || - m_argStyle == ArgumentStyle::SpaceAndEquals) && - name.contains("=")) - { - int i = name.indexOf("="); - equals = name.mid(i + 1); - name = name.left(i); - } - - if (m_options.contains(name)) - { - /* - if (map.contains(name)) - throw ParsingError(QString("Option %2%1 was given multiple times") - .arg(name, optionPrefix)); -*/ - OptionDef *option = m_options[name]; - if (option->type == otSwitch) - map[name] = true; - else // if (option->type == otOption) - { - if (m_argStyle == ArgumentStyle::Space) - expecting.append(name); - else if (!equals.isNull()) - map[name] = equals; - else if (m_argStyle == ArgumentStyle::SpaceAndEquals) - expecting.append(name); - else - throw ParsingError(QString("Option %2%1 reqires an argument.") - .arg(name, optionPrefix)); - } - - continue; - } - - throw ParsingError(QString("Unknown Option %2%1").arg(name, optionPrefix)); - } - - if (arg.startsWith(flagPrefix)) - // we have (a) flag(s) - { - // qDebug("Found flags %s", qPrintable(arg)); - - QString flags = arg.mid(flagPrefix.length()); - QString equals; - - if ((m_argStyle == ArgumentStyle::Equals || - m_argStyle == ArgumentStyle::SpaceAndEquals) && - flags.contains("=")) - { - int i = flags.indexOf("="); - equals = flags.mid(i + 1); - flags = flags.left(i); - } - - for (int i = 0; i < flags.length(); i++) - { - QChar flag = flags.at(i); - - if (!m_flags.contains(flag)) - throw ParsingError(QString("Unknown flag %2%1").arg(flag, flagPrefix)); - - OptionDef *option = m_flags[flag]; -/* - if (map.contains(option->name)) - throw ParsingError(QString("Option %2%1 was given multiple times") - .arg(option->name, optionPrefix)); -*/ - if (option->type == otSwitch) - map[option->name] = true; - else // if (option->type == otOption) - { - if (m_argStyle == ArgumentStyle::Space) - expecting.append(option->name); - else if (!equals.isNull()) - if (i == flags.length() - 1) - map[option->name] = equals; - else - throw ParsingError(QString("Flag %4%2 of Argument-requiring Option " - "%1 not last flag in %4%3") - .arg(option->name, flag, flags, flagPrefix)); - else if (m_argStyle == ArgumentStyle::SpaceAndEquals) - expecting.append(option->name); - else - throw ParsingError(QString("Option %1 reqires an argument. (flag %3%2)") - .arg(option->name, flag, flagPrefix)); - } - } - - continue; - } - - // must be a positional argument - if (!positionals.hasNext()) - throw ParsingError(QString("Don't know what to do with '%1'").arg(arg)); - - PositionalDef *param = positionals.next(); - - map[param->name] = arg; - } - - // check if we're missing something - if (!expecting.isEmpty()) - throw ParsingError(QString("Was still expecting arguments for %2%1").arg( - expecting.join(QString(", ") + optionPrefix), optionPrefix)); - - while (positionals.hasNext()) - { - PositionalDef *param = positionals.next(); - if (param->required) - throw ParsingError( - QString("Missing required positional argument '%1'").arg(param->name)); - else - map[param->name] = param->def; - } - - // fill out gaps - QListIterator iter(m_optionList); - while (iter.hasNext()) - { - OptionDef *option = iter.next(); - if (!map.contains(option->name)) - map[option->name] = option->def; - } - - return map; -} - -// clear defs -void Parser::clear() -{ - m_flags.clear(); - m_params.clear(); - m_options.clear(); - - QMutableListIterator it(m_optionList); - while (it.hasNext()) - { - OptionDef *option = it.next(); - it.remove(); - delete option; - } - - QMutableListIterator it2(m_positionals); - while (it2.hasNext()) - { - PositionalDef *arg = it2.next(); - it2.remove(); - delete arg; - } -} - -// Destructor -Parser::~Parser() -{ - clear(); -} - -// getPrefix -void Parser::getPrefix(QString &opt, QString &flag) -{ - if (m_flagStyle == FlagStyle::Windows) - opt = flag = "/"; - else if (m_flagStyle == FlagStyle::Unix) - opt = flag = "-"; - // else if (m_flagStyle == FlagStyle::GNU) - else - { - opt = "--"; - flag = "-"; - } -} - -// ParsingError -ParsingError::ParsingError(const QString &what) : std::runtime_error(what.toStdString()) -{ -} } diff --git a/launcher/Commandline.h b/launcher/Commandline.h index a4e7aa61..8bd79180 100644 --- a/launcher/Commandline.h +++ b/launcher/Commandline.h @@ -17,12 +17,7 @@ #pragma once -#include -#include - #include -#include -#include #include /** @@ -39,212 +34,4 @@ namespace Commandline * @return a QStringList containing all arguments */ QStringList splitArgs(QString args); - -/** - * @brief The FlagStyle enum - * Specifies how flags are decorated - */ - -namespace FlagStyle -{ -enum Enum -{ - GNU, /**< --option and -o (GNU Style) */ - Unix, /**< -option and -o (Unix Style) */ - Windows, /**< /option and /o (Windows Style) */ -#ifdef Q_OS_WIN32 - Default = Windows -#else - Default = GNU -#endif -}; -} - -/** - * @brief The ArgumentStyle enum - */ -namespace ArgumentStyle -{ -enum Enum -{ - Space, /**< --option value */ - Equals, /**< --option=value */ - SpaceAndEquals, /**< --option[= ]value */ -#ifdef Q_OS_WIN32 - Default = Equals -#else - Default = SpaceAndEquals -#endif -}; -} - -/** - * @brief The ParsingError class - */ -class ParsingError : public std::runtime_error -{ -public: - ParsingError(const QString &what); -}; - -/** - * @brief The Parser class - */ -class Parser -{ -public: - /** - * @brief Parser constructor - * @param flagStyle the FlagStyle to use in this Parser - * @param argStyle the ArgumentStyle to use in this Parser - */ - Parser(FlagStyle::Enum flagStyle = FlagStyle::Default, - ArgumentStyle::Enum argStyle = ArgumentStyle::Default); - - /** - * @brief set the flag style - * @param style - */ - void setFlagStyle(FlagStyle::Enum style); - - /** - * @brief get the flag style - * @return - */ - FlagStyle::Enum flagStyle(); - - /** - * @brief set the argument style - * @param style - */ - void setArgumentStyle(ArgumentStyle::Enum style); - - /** - * @brief get the argument style - * @return - */ - ArgumentStyle::Enum argumentStyle(); - - /** - * @brief define a boolean switch - * @param name the parameter name - * @param def the default value - */ - void addSwitch(QString name, bool def = false); - - /** - * @brief define an option that takes an additional argument - * @param name the parameter name - * @param def the default value - */ - void addOption(QString name, QVariant def = QVariant()); - - /** - * @brief define a positional argument - * @param name the parameter name - * @param required wether this argument is required - * @param def the default value - */ - void addArgument(QString name, bool required = true, QVariant def = QVariant()); - - /** - * @brief adds a flag to an existing parameter - * @param name the (existing) parameter name - * @param flag the flag character - * @see addSwitch addArgument addOption - * Note: any one parameter can only have one flag - */ - void addShortOpt(QString name, QChar flag); - - /** - * @brief adds documentation to a Parameter - * @param name the parameter name - * @param metavar a string to be displayed as placeholder for the value - * @param doc a QString containing the documentation - * Note: on positional arguments, metavar replaces the name as displayed. - * on options , metavar replaces the value placeholder - */ - void addDocumentation(QString name, QString doc, QString metavar = QString()); - - /** - * @brief generate a help message - * @param progName the program name to use in the help message - * @param helpIndent how much the parameter documentation should be indented - * @param flagsInUsage whether we should use flags instead of options in the usage - * @return a help message - */ - QString compileHelp(QString progName, int helpIndent = 22, bool flagsInUsage = true); - - /** - * @brief generate a short usage message - * @param progName the program name to use in the usage message - * @param useFlags whether we should use flags instead of options - * @return a usage message - */ - QString compileUsage(QString progName, bool useFlags = true); - - /** - * @brief parse - * @param argv a QStringList containing the program ARGV - * @return a QHash mapping argument names to their values - */ - QHash parse(QStringList argv); - - /** - * @brief clear all definitions - */ - void clear(); - - ~Parser(); - -private: - FlagStyle::Enum m_flagStyle; - ArgumentStyle::Enum m_argStyle; - - enum OptionType - { - otSwitch, - otOption - }; - - // Important: the common part MUST BE COMMON ON ALL THREE structs - struct CommonDef - { - QString name; - QString doc; - QString metavar; - QVariant def; - }; - - struct OptionDef - { - // common - QString name; - QString doc; - QString metavar; - QVariant def; - // option - OptionType type; - QChar flag; - }; - - struct PositionalDef - { - // common - QString name; - QString doc; - QString metavar; - QVariant def; - // positional - bool required; - }; - - QHash m_options; - QHash m_flags; - QHash m_params; - QList m_positionals; - QList m_optionList; - - void getPrefix(QString &opt, QString &flag); -}; }