diff options
Diffstat (limited to 'depends/util/src/cmdutils.cpp')
| -rw-r--r-- | depends/util/src/cmdutils.cpp | 194 |
1 files changed, 104 insertions, 90 deletions
diff --git a/depends/util/src/cmdutils.cpp b/depends/util/src/cmdutils.cpp index b9cab717..43a0bcde 100644 --- a/depends/util/src/cmdutils.cpp +++ b/depends/util/src/cmdutils.cpp @@ -21,8 +21,10 @@ * @file libutil/src/cmdutils.cpp */ -namespace Util { -namespace Commandline { +namespace Util +{ +namespace Commandline +{ // commandline splitter QStringList splitArgs(QString args) @@ -31,10 +33,10 @@ QStringList splitArgs(QString args) QString current; bool escape = false; QChar inquotes; - for (int i=0; i<args.length(); i++) + for (int i = 0; i < args.length(); i++) { QChar cchar = args.at(i); - + // \ escaped if (escape) { @@ -73,7 +75,6 @@ QStringList splitArgs(QString args) return argv; } - Parser::Parser(FlagStyle::Enum flagStyle, ArgumentStyle::Enum argStyle) { m_flagStyle = flagStyle; @@ -104,13 +105,13 @@ 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); @@ -120,13 +121,13 @@ 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); @@ -136,13 +137,13 @@ 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; } @@ -151,7 +152,7 @@ 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()) @@ -164,7 +165,7 @@ void Parser::addShortOpt(QString name, QChar flag) 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; @@ -175,14 +176,14 @@ 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()) + while (it2.hasNext()) { PositionalDef *param = it2.next(); help << " " << param->metavar; @@ -190,17 +191,17 @@ QString Parser::compileHelp(QString progName, int helpIndent, bool useFlags) 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()) + while (it.hasNext()) { OptionDef *option = it.next(); help << " "; @@ -213,7 +214,8 @@ QString Parser::compileHelp(QString progName, int helpIndent, bool useFlags) help << optPrefix << option->name; if (option->type == otOption) { - QString arg = QString("%1%2").arg(((m_argStyle == ArgumentStyle::Equals) ? "=" : " "), option->metavar); + QString arg = QString("%1%2").arg( + ((m_argStyle == ArgumentStyle::Equals) ? "=" : " "), option->metavar); nameLength += arg.length(); help << arg; } @@ -221,7 +223,7 @@ QString Parser::compileHelp(QString progName, int helpIndent, bool useFlags) help << option->doc << "\r\n"; } } - + return help.join(""); } @@ -229,13 +231,13 @@ 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()) + while (it.hasNext()) { OptionDef *option = it.next(); usage << " ["; @@ -244,20 +246,20 @@ QString Parser::compileUsage(QString progName, bool useFlags) else usage << optPrefix << option->name; if (option->type == otOption) - usage << ((m_argStyle == ArgumentStyle::Equals) ? "=" : " ") << option->metavar; + usage << ((m_argStyle == ArgumentStyle::Equals) ? "=" : " ") << option->metavar; usage << "]"; } - + // arguments QListIterator<PositionalDef *> it2(m_positionals); - while(it2.hasNext()) + while (it2.hasNext()) { PositionalDef *param = it2.next(); usage << " " << (param->required ? "<" : "["); usage << param->metavar; usage << (param->required ? ">" : "]"); } - + return usage.join(""); } @@ -265,59 +267,63 @@ QString Parser::compileUsage(QString progName, bool useFlags) 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 + // 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)); - + 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 + // we have an option { - //qDebug("Found option %s", qPrintable(arg)); - + // 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("=")) + + if ((m_argStyle == ArgumentStyle::Equals || + m_argStyle == ArgumentStyle::SpaceAndEquals) && + name.contains("=")) { int i = name.indexOf("="); - equals = name.mid(i+1); + 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)); - + 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) + else // if (option->type == otOption) { if (m_argStyle == ArgumentStyle::Space) expecting.append(name); @@ -326,85 +332,94 @@ QHash<QString, QVariant> Parser::parse(QStringList argv) else if (m_argStyle == ArgumentStyle::SpaceAndEquals) expecting.append(name); else - throw ParsingError(QString("Option %2%1 reqires an argument.").arg(name, optionPrefix)); + 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) + // we have (a) flag(s) { - //qDebug("Found flags %s", qPrintable(arg)); - + // 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("=")) + + if ((m_argStyle == ArgumentStyle::Equals || + m_argStyle == ArgumentStyle::SpaceAndEquals) && + flags.contains("=")) { int i = flags.indexOf("="); - equals = flags.mid(i+1); + 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)); - + 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) + else // if (option->type == otOption) { if (m_argStyle == ArgumentStyle::Space) expecting.append(option->name); else if (!equals.isNull()) - if (i == flags.length()-1) + 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)); + 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)); + 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)); - + 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)); + 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()) @@ -413,27 +428,27 @@ QHash<QString, QVariant> Parser::parse(QStringList argv) if (!map.contains(option->name)) map[option->name] = option->def; } - + return map; } -//clear defs +// clear defs void Parser::clear() { m_flags.clear(); m_params.clear(); m_options.clear(); - + QMutableListIterator<OptionDef *> it(m_optionList); - while(it.hasNext()) + while (it.hasNext()) { OptionDef *option = it.next(); it.remove(); delete option; } - + QMutableListIterator<PositionalDef *> it2(m_positionals); - while(it2.hasNext()) + while (it2.hasNext()) { PositionalDef *arg = it2.next(); it2.remove(); @@ -441,31 +456,30 @@ void Parser::clear() } } -//Destructor +// Destructor Parser::~Parser() { clear(); } -//getPrefix +// 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 { + // else if (m_flagStyle == FlagStyle::GNU) + else + { opt = "--"; flag = "-"; } } // ParsingError -ParsingError::ParsingError(const QString &what) -:std::runtime_error(what.toStdString()) +ParsingError::ParsingError(const QString &what) : std::runtime_error(what.toStdString()) { } - } } |