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Define template for classes that represent SHA hashes

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Vladimir Golovnev (Glassez)
2021-03-02 19:44:57 +03:00
parent 8cfd803222
commit bea32cfe38
6 changed files with 138 additions and 87 deletions
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66
src/base/bittorrent/infohash.cpp
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@@ -28,70 +28,14 @@
#include "infohash.h"
#include <QByteArray>
#include <QHash>
const int InfoHashTypeId = qRegisterMetaType<BitTorrent::InfoHash>();
using namespace BitTorrent;
const int InfoHashTypeId = qRegisterMetaType<InfoHash>();
InfoHash::InfoHash(const lt::sha1_hash &nativeHash)
: m_valid {true}
, m_nativeHash {nativeHash}
BitTorrent::InfoHash BitTorrent::InfoHash::fromString(const QString &hashString)
{
const QByteArray raw = QByteArray::fromRawData(nativeHash.data(), length());
m_hashString = QString::fromLatin1(raw.toHex());
return {SHA1Hash::fromString(hashString)};
}
bool InfoHash::isValid() const
uint BitTorrent::qHash(const BitTorrent::InfoHash &key, const uint seed)
{
return m_valid;
}
InfoHash::operator lt::sha1_hash() const
{
return m_nativeHash;
}
InfoHash InfoHash::fromString(const QString &hashString)
{
if (hashString.size() != (length() * 2))
return {};
const QByteArray raw = QByteArray::fromHex(hashString.toLatin1());
if (raw.size() != length()) // QByteArray::fromHex() will skip over invalid characters
return {};
InfoHash result;
result.m_valid = true;
result.m_hashString = hashString;
result.m_nativeHash.assign(raw.constData());
return result;
}
QString InfoHash::toString() const
{
return m_hashString;
}
bool BitTorrent::operator==(const InfoHash &left, const InfoHash &right)
{
return (static_cast<lt::sha1_hash>(left)
== static_cast<lt::sha1_hash>(right));
}
bool BitTorrent::operator!=(const InfoHash &left, const InfoHash &right)
{
return !(left == right);
}
bool BitTorrent::operator<(const InfoHash &left, const InfoHash &right)
{
return static_cast<lt::sha1_hash>(left) < static_cast<lt::sha1_hash>(right);
}
uint BitTorrent::qHash(const InfoHash &key, const uint seed)
{
return ::qHash((std::hash<lt::sha1_hash> {})(key), seed);
return ::qHash(std::hash<InfoHash::UnderlyingType>()(key), seed);
}