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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "help.h"
#include <QObject>
#include <QSet>
#include <QTextStream>
#include "module.h"
namespace CLI
{
Help::Help()
{
Syntax topLevel = Syntax(QObject::tr("help"), &Help::showHelp, QObject::tr("Print command information: help [command]"));
setSyntax(topLevel);
}
bool Help::showHelp(const QStringList &commands, State &)
{
Module::Command command = Module::match(commands);
QTextStream stream(stdout);
if (commands.isEmpty()) {
stream << QObject::tr("Welcome to the Akonadi2 command line tool!") << "\n";
stream << QObject::tr("Top-level commands:") << "\n";
QSet<QString> sorted;
for (auto module: Module::modules()) {
sorted.insert(module.syntax().keyword);
}
for (auto keyword: sorted) {
stream << "\t" << keyword << "\n";
}
} else if (const Syntax *syntax = command.first) {
//TODO: get parent!
stream << QObject::tr("Command `%1`").arg(syntax->keyword);
if (!syntax->help.isEmpty()) {
stream << ": " << syntax->help;
}
stream << "\n";
if (!syntax->children.isEmpty()) {
stream << "\tSub-commands:\n";
QSet<QString> sorted;
for (auto childSyntax: syntax->children) {
sorted.insert(childSyntax.keyword);
}
for (auto keyword: sorted) {
stream << "\t" << keyword << "\n";
}
}
} else {
stream << "Unknown command: " << commands.join(" ") << "\n";
}
return true;
}
} // namespace CLI
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