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author | Petr Mrázek <peterix@gmail.com> | 2016-04-10 04:29:29 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2016-04-30 23:59:23 +0200 |
commit | 47e37635f50c09b4f9a9ee7699e3120bab3e4088 (patch) | |
tree | 061c2f675fb7e244ebe4b54ef206bfbd615c91f8 /logic/Commandline.cpp | |
parent | fcd4a482f759cd58ee319a51082d0146b7e426e2 (diff) | |
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NOISSUE split GUI stuff from logic library
Diffstat (limited to 'logic/Commandline.cpp')
-rw-r--r-- | logic/Commandline.cpp | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/logic/Commandline.cpp b/logic/Commandline.cpp deleted file mode 100644 index 9a8ddbf1..00000000 --- a/logic/Commandline.cpp +++ /dev/null @@ -1,483 +0,0 @@ -/* 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. - */ - -#include "Commandline.h" - -/** - * @file libutil/src/cmdutils.cpp - */ - -namespace Commandline -{ - -// commandline splitter -QStringList splitArgs(QString args) -{ - QStringList argv; - QString current; - bool escape = false; - QChar inquotes; - for (int i = 0; i < args.length(); i++) - { - QChar cchar = args.at(i); - - // \ escaped - if (escape) - { - current += cchar; - escape = false; - // in "quotes" - } - else if (!inquotes.isNull()) - { - if (cchar == 0x5C) - escape = true; - else if (cchar == inquotes) - inquotes = 0; - else - current += cchar; - // otherwise - } - else - { - if (cchar == 0x20) - { - if (!current.isEmpty()) - { - argv << current; - current.clear(); - } - } - else if (cchar == 0x22 || cchar == 0x27) - inquotes = cchar; - else - current += cchar; - } - } - if (!current.isEmpty()) - 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()) -{ -} -}
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