Rename Core to Base (Closes #3733).

src/base/bittorrent/torrentinfo.cpp

@@ -0,0 +1,223 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include <QString>
+#include <QList>
+#include <QUrl>
+#include <QDateTime>
+
+#include <libtorrent/error_code.hpp>
+
+#include "base/utils/misc.h"
+#include "base/utils/fs.h"
+#include "base/utils/string.h"
+#include "infohash.h"
+#include "trackerentry.h"
+#include "torrentinfo.h"
+
+namespace libt = libtorrent;
+using namespace BitTorrent;
+
+TorrentInfo::TorrentInfo(boost::intrusive_ptr<const libt::torrent_info> nativeInfo)
+    : m_nativeInfo(const_cast<libt::torrent_info *>(nativeInfo.get()))
+{
+}
+
+TorrentInfo::TorrentInfo(const TorrentInfo &other)
+    : m_nativeInfo(other.m_nativeInfo)
+{
+}
+
+TorrentInfo &TorrentInfo::operator=(const TorrentInfo &other)
+{
+    m_nativeInfo = other.m_nativeInfo;
+    return *this;
+}
+
+TorrentInfo TorrentInfo::loadFromFile(const QString &path, QString &error)
+{
+    error.clear();
+    libt::error_code ec;
+    TorrentInfo info(new libt::torrent_info(Utils::String::toStdString(Utils::Fs::toNativePath(path)), ec));
+    if (ec) {
+        error = QString::fromUtf8(ec.message().c_str());
+        qDebug("Cannot load .torrent file: %s", qPrintable(error));
+    }
+
+    return info;
+}
+
+TorrentInfo TorrentInfo::loadFromFile(const QString &path)
+{
+    QString error;
+    return loadFromFile(path, error);
+}
+
+bool TorrentInfo::isValid() const
+{
+    return (m_nativeInfo && m_nativeInfo->is_valid() && (m_nativeInfo->num_files() > 0));
+}
+
+InfoHash TorrentInfo::hash() const
+{
+    if (!isValid()) return InfoHash();
+    return m_nativeInfo->info_hash();
+}
+
+QString TorrentInfo::name() const
+{
+    if (!isValid()) return QString();
+    return Utils::String::fromStdString(m_nativeInfo->name());
+}
+
+QDateTime TorrentInfo::creationDate() const
+{
+    if (!isValid()) return QDateTime();
+    boost::optional<time_t> t = m_nativeInfo->creation_date();
+    return t ? QDateTime::fromTime_t(*t) : QDateTime();
+}
+
+QString TorrentInfo::creator() const
+{
+    if (!isValid()) return QString();
+    return Utils::String::fromStdString(m_nativeInfo->creator());
+}
+
+QString TorrentInfo::comment() const
+{
+    if (!isValid()) return QString();
+    return Utils::String::fromStdString(m_nativeInfo->comment());
+}
+
+bool TorrentInfo::isPrivate() const
+{
+    if (!isValid()) return false;
+    return m_nativeInfo->priv();
+}
+
+qlonglong TorrentInfo::totalSize() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->total_size();
+}
+
+int TorrentInfo::filesCount() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->num_files();
+}
+
+int TorrentInfo::pieceLength() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->piece_length();
+}
+
+int TorrentInfo::piecesCount() const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->num_pieces();
+}
+
+QString TorrentInfo::filePath(int index) const
+{
+    if (!isValid()) return QString();
+    return Utils::Fs::fromNativePath(Utils::String::fromStdString(m_nativeInfo->files().file_path(index)));
+}
+
+QStringList TorrentInfo::filePaths() const
+{
+    QStringList list;
+    for (int i = 0; i < filesCount(); ++i)
+        list << filePath(i);
+
+    return list;
+}
+
+QString TorrentInfo::fileName(int index) const
+{
+    return Utils::Fs::fileName(filePath(index));
+}
+
+QString TorrentInfo::origFilePath(int index) const
+{
+    if (!isValid()) return QString();
+    return Utils::Fs::fromNativePath(Utils::String::fromStdString(m_nativeInfo->orig_files().file_path(index)));
+}
+
+qlonglong TorrentInfo::fileSize(int index) const
+{
+    if (!isValid()) return -1;
+    return m_nativeInfo->files().file_size(index);
+}
+
+qlonglong TorrentInfo::fileOffset(int index) const
+{
+    if (!isValid()) return  -1;
+    return m_nativeInfo->file_at(index).offset;
+}
+
+QList<TrackerEntry> TorrentInfo::trackers() const
+{
+    if (!isValid()) return QList<TrackerEntry>();
+
+    QList<TrackerEntry> trackers;
+    foreach (const libt::announce_entry &tracker, m_nativeInfo->trackers())
+        trackers.append(tracker);
+
+    return trackers;
+}
+
+QList<QUrl> TorrentInfo::urlSeeds() const
+{
+    if (!isValid()) return QList<QUrl>();
+
+    QList<QUrl> urlSeeds;
+    foreach (const libt::web_seed_entry &webSeed, m_nativeInfo->web_seeds())
+        if (webSeed.type == libt::web_seed_entry::url_seed)
+            urlSeeds.append(QUrl(webSeed.url.c_str()));
+
+    return urlSeeds;
+}
+
+QByteArray TorrentInfo::metadata() const
+{
+    if (!isValid()) return QByteArray();
+    return QByteArray(m_nativeInfo->metadata().get(), m_nativeInfo->metadata_size());
+}
+
+void TorrentInfo::renameFile(uint index, const QString &newPath)
+{
+    if (!isValid()) return;
+    m_nativeInfo->rename_file(index, Utils::String::toStdString(newPath));
+}
+
+boost::intrusive_ptr<libtorrent::torrent_info> TorrentInfo::nativeInfo() const
+{
+    return m_nativeInfo;
+}