hyperion.ng/include/commandline/Parser.h
2020-07-12 09:22:05 +02:00

147 lines
3.6 KiB
C++

#pragma once
#include <QtCore>
#include <QtGui>
#include "ColorOption.h"
#include "ColorsOption.h"
#include "DoubleOption.h"
#include "ImageOption.h"
#include "IntOption.h"
#include "Option.h"
#include "RegularExpressionOption.h"
#include "SwitchOption.h"
#include "ValidatorOption.h"
#include "BooleanOption.h"
namespace commandline
{
class Parser : public QObject
{
protected:
QHash<QString, Option *> _options;
QString _errorText;
/* No public inheritance because we need to modify a few methods */
QCommandLineParser _parser;
QStringList _getNames(const char shortOption, const QString longOption);
QString _getDescription(const QString description, const QString default_=QString());
public:
~Parser() override;
bool parse(const QStringList &arguments);
void process(const QStringList &arguments);
void process(const QCoreApplication &app);
QString errorText() const;
template<class OptionT, class ... Args>
OptionT &add(
const char shortOption,
const QString longOption,
const QString description,
const QString default_,
Args ... args)
{
OptionT * option = new OptionT(
_getNames(shortOption, longOption),
_getDescription(description, default_),
longOption,
default_,
args...);
addOption(option);
return *option;
}
/* gcc does not support default arguments for variadic templates which
* makes this method necessary */
template<class OptionT>
OptionT &add(
const char shortOption,
const QString longOption,
const QString description,
const QString default_ = QString())
{
OptionT * option = new OptionT(
_getNames(shortOption, longOption),
_getDescription(description, default_),
longOption,
default_);
addOption(option);
return *option;
}
Parser(QString description=QString())
{
if(description.size())setApplicationDescription(description);
};
QCommandLineOption addHelpOption()
{
return _parser.addHelpOption();
};
bool addOption(Option &option);
bool addOption(Option *option);
void addPositionalArgument(const QString &name, const QString &description, const QString &syntax = QString())
{
_parser.addPositionalArgument(name, description, syntax);
};
QCommandLineOption addVersionOption()
{
return _parser.addVersionOption();
};
QString applicationDescription() const
{ return _parser.applicationDescription(); }
void clearPositionalArguments()
{ _parser.clearPositionalArguments(); }
QString helpText() const
{ return _parser.helpText(); }
bool isSet(const QString &name) const
{ return _parser.isSet(name); }
bool isSet(const Option &option) const
{ return _parser.isSet(option); }
bool isSet(const Option *option) const
{ return _parser.isSet(*option); }
QStringList optionNames() const
{ return _parser.optionNames(); }
QStringList positionalArguments() const
{ return _parser.positionalArguments(); }
void setApplicationDescription(const QString &description)
{ _parser.setApplicationDescription(description); }
void setSingleDashWordOptionMode(QCommandLineParser::SingleDashWordOptionMode singleDashWordOptionMode)
{ _parser.setSingleDashWordOptionMode(singleDashWordOptionMode); }
void showHelp(int exitCode = 0)
{ _parser.showHelp(exitCode); }
QStringList unknownOptionNames() const
{ return _parser.unknownOptionNames(); }
QString value(const QString &optionName) const
{ return _parser.value(optionName); }
QString value(const Option &option) const
{ return _parser.value(option); }
QStringList values(const QString &optionName) const
{ return _parser.values(optionName); }
QStringList values(const Option &option) const
{ return _parser.values(option); }
};
}