mirror of https://github.com/aria2/aria2
142 lines
5.6 KiB
C++
142 lines
5.6 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "common.h"
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#include "SharedHandle.h"
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#include "a2io.h"
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#include "FeatureConfig.h"
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#ifdef ENABLE_MESSAGE_DIGEST
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# include "messageDigest.h"
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#endif // ENABLE_MESSAGE_DIGEST
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#include "help_tags.h"
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#include "prefs.h"
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#include "StringFormat.h"
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#include "OptionParser.h"
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#include "OptionHandler.h"
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#include <iostream>
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#include <iterator>
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#include <algorithm>
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namespace aria2 {
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void showVersion() {
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std::cout << PACKAGE << _(" version ") << PACKAGE_VERSION << "\n"
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<< "Copyright (C) 2006, 2009 Tatsuhiro Tsujikawa" << "\n"
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<< "\n"
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<<
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n"
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<< "\n"
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<< "** Configuration **" << "\n"
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<< "Enabled Features: "
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<< FeatureConfig::getInstance()->featureSummary() << "\n"
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#ifdef ENABLE_MESSAGE_DIGEST
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<< "Hash Algorithms: "
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<< MessageDigestContext::getSupportedAlgoString() << "\n"
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#endif // ENABLE_MESSAGE_DIGEST
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<< "\n"
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<< StringFormat(_("Report bugs to %s"), "<tujikawa at users dot sourceforge dot net>")
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<< std::endl;
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}
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void showUsage(const std::string& keyword, const OptionParser& oparser) {
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std::cout << StringFormat(_("Usage: %s [OPTIONS] [URL | TORRENT_FILE |"
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" METALINK_FILE]..."), PACKAGE_NAME) << "\n"
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<< "\n";
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std::deque<SharedHandle<OptionHandler> > handlers =
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keyword == V_ALL ? oparser.findAll():oparser.findByTag(keyword);
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if(handlers.empty()) {
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std::deque<SharedHandle<OptionHandler> > handlers =
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oparser.findByNameSubstring(keyword);
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if(!handlers.empty()) {
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std::cout << StringFormat(_("Printing options whose name includes"
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" '%s'."), keyword.c_str())
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<< "\n"
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<< _("Options:") << "\n";
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std::copy(handlers.begin(), handlers.end(),
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std::ostream_iterator<SharedHandle<OptionHandler> >
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(std::cout, "\n\n"));
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} else {
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std::cout << StringFormat(_("No help category or option name matching"
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" with '%s'."), keyword.c_str())
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<< "\n" << oparser.findByName("help") << "\n";
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}
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} else {
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if(keyword == V_ALL) {
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std::cout << _("Printing all options.");
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} else {
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std::cout << StringFormat(_("Printing options tagged with '%s'."),
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keyword.c_str());
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std::cout << "\n";
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SharedHandle<OptionHandler> help = oparser.findByName("help");
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std::cout << StringFormat(_("See -h option to know other command-line"
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" options(%s)."),
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help->createPossibleValuesString().c_str());
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}
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std::cout << "\n"
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<< _("Options:") << "\n";
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std::copy(handlers.begin(), handlers.end(),
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std::ostream_iterator<SharedHandle<OptionHandler> >
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(std::cout, "\n\n"));
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}
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if(keyword == TAG_BASIC) {
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std::cout << "URL, TORRENT_FILE, METALINK_FILE:" << "\n"
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<< _(" You can specify multiple URLs. Unless you specify -Z option, all URLs must\n"
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" point to the same file or downloading will fail.") << "\n"
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<< _(" You can also specify arbitrary number of torrent files and metalink files\n"
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" stored in a local drive. Please note that they are always treated as a\n"
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" separate download.") << "\n"
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<< "\n"
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<< _(" You can specify both torrent file with -T option and URLs. By doing this,\n"
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" download a file from both torrent swarm and http/ftp server at the same time,\n"
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" while the data from http/ftp are uploaded to the torrent swarm. For single file\n"
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" torrents, URL can be a complete URL pointing to the resource or if URL ends\n"
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" with '/', 'name' in torrent file is added. For multi-file torrents, 'name' and\n"
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" 'path' in torrent are added to form a URL for each file.") << "\n"
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<< "\n"
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<< _(" Make sure that URL is quoted with single(\') or double(\") quotation if it\n"
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" contains \"&\" or any characters that have special meaning in shell.") << "\n"
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<< "\n";
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}
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std::cout << _("Refer to man page for more information.") << std::endl;
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}
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} // namespace aria2
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