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Merge pull request #1167 from Scrumplex/epic-commandline

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txtsd 2022-10-02 00:41:34 +05:30 committed by GitHub
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3 changed files with 20 additions and 709 deletions
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108
launcher/Application.cpp
View File

@ -78,6 +78,7 @@
#include <iostream>
#include <QAccessible>
#include <QCommandLineParser>
#include <QDir>
#include <QFileInfo>
#include <QNetworkAccessManager>
@ -110,7 +111,6 @@
#include "translations/TranslationsModel.h"
#include "meta/Index.h"
#include <Commandline.h>
#include <FileSystem.h>
#include <DesktopServices.h>
#include <LocalPeer.h>
@ -136,12 +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"
namespace {
void appDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
@ -242,80 +236,27 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
this->setQuitOnLastWindowClosed(false);
// Commandline parsing
QHash<QString, QVariant> 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 +287,7 @@ 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
@ -385,9 +326,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
QString(
"The launcher data folder could not be created.\n"
"\n"
#if defined(Q_OS_MAC)
MACOS_HINT
#endif
"Make sure you have the right permissions to the launcher data folder and any folder needed to access it.\n"
"(%1)\n"
"\n"
@ -403,9 +341,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
QString(
"The launcher data folder could not be opened.\n"
"\n"
#if defined(Q_OS_MAC)
MACOS_HINT
#endif
"Make sure you have the right permissions to the launcher data folder.\n"
"(%1)\n"
"\n"
@ -486,9 +421,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
QString(
"The launcher couldn't create a log file - the data folder is not writable.\n"
"\n"
#if defined(Q_OS_MAC)
MACOS_HINT
#endif
"Make sure you have write permissions to the data folder.\n"
"(%1)\n"
"\n"

408
launcher/Commandline.cpp
View File

@ -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<PositionalDef *> 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<OptionDef *> 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<OptionDef *> 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<PositionalDef *> it2(m_positionals);
while (it2.hasNext())
{
PositionalDef *param = it2.next();
usage << " " << (param->required ? "<" : "[");
usage << param->metavar;
usage << (param->required ? ">" : "]");
}
return usage.join("");
}
// parsing
QHash<QString, QVariant> Parser::parse(QStringList argv)
{
QHash<QString, QVariant> map;
QStringListIterator it(argv);
QString programName = it.next();
QString optionPrefix;
QString flagPrefix;
QListIterator<PositionalDef *> 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<OptionDef *> 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<OptionDef *> it(m_optionList);
while (it.hasNext())
{
OptionDef *option = it.next();
it.remove();
delete option;
}
QMutableListIterator<PositionalDef *> 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())
{
}
}

213
launcher/Commandline.h
View File

@ -17,12 +17,7 @@
#pragma once
#include <exception>
#include <stdexcept>
#include <QString>
#include <QVariant>
#include <QHash>
#include <QStringList>
/**
@ -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<QString, QVariant> 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<QString, OptionDef *> m_options;
QHash<QChar, OptionDef *> m_flags;
QHash<QString, CommonDef *> m_params;
QList<PositionalDef *> m_positionals;
QList<OptionDef *> m_optionList;
void getPrefix(QString &opt, QString &flag);
};
}