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-rw-r--r--libraries/logic/Commandline.h252
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diff --git a/libraries/logic/Commandline.h b/libraries/logic/Commandline.h
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--- a/libraries/logic/Commandline.h
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-/* Copyright 2013-2015 MultiMC Contributors
- *
- * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <exception>
-#include <stdexcept>
-
-#include <QString>
-#include <QVariant>
-#include <QHash>
-#include <QStringList>
-
-#include "multimc_logic_export.h"
-
-/**
- * @file libutil/include/cmdutils.h
- * @brief commandline parsing and processing utilities
- */
-
-namespace Commandline
-{
-
-/**
- * @brief split a string into argv items like a shell would do
- * @param args the argument string
- * @return a QStringList containing all arguments
- */
-MULTIMC_LOGIC_EXPORT 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 MULTIMC_LOGIC_EXPORT ParsingError : public std::runtime_error
-{
-public:
- ParsingError(const QString &what);
-};
-
-/**
- * @brief The Parser class
- */
-class MULTIMC_LOGIC_EXPORT 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);
-};
-}