diff options
Diffstat (limited to 'src/dbwrapper.cpp')
| -rw-r--r-- | src/dbwrapper.cpp | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/src/dbwrapper.cpp b/src/dbwrapper.cpp index 2f0b9a5ff3..c0a2895a58 100644 --- a/src/dbwrapper.cpp +++ b/src/dbwrapper.cpp @@ -32,6 +32,7 @@ #include <leveldb/write_batch.h> #include <memory> #include <optional> +#include <utility> bool DestroyDB(const std::string& path_str) { @@ -306,26 +307,39 @@ bool CDBWrapper::IsEmpty() return !(it->Valid()); } +struct CDBIterator::IteratorImpl { + const std::unique_ptr<leveldb::Iterator> iter; + + explicit IteratorImpl(leveldb::Iterator* _iter) : iter{_iter} {} +}; + +CDBIterator::CDBIterator(const CDBWrapper& _parent, std::unique_ptr<IteratorImpl> _piter) : parent(_parent), m_impl_iter(std::move(_piter)) {} + +CDBIterator* CDBWrapper::NewIterator() +{ + return new CDBIterator{*this, std::make_unique<CDBIterator::IteratorImpl>(pdb->NewIterator(iteroptions))}; +} + void CDBIterator::SeekImpl(Span<const std::byte> ssKey) { leveldb::Slice slKey(CharCast(ssKey.data()), ssKey.size()); - piter->Seek(slKey); + m_impl_iter->iter->Seek(slKey); } Span<const std::byte> CDBIterator::GetKeyImpl() const { - return MakeByteSpan(piter->key()); + return MakeByteSpan(m_impl_iter->iter->key()); } Span<const std::byte> CDBIterator::GetValueImpl() const { - return MakeByteSpan(piter->value()); + return MakeByteSpan(m_impl_iter->iter->value()); } -CDBIterator::~CDBIterator() { delete piter; } -bool CDBIterator::Valid() const { return piter->Valid(); } -void CDBIterator::SeekToFirst() { piter->SeekToFirst(); } -void CDBIterator::Next() { piter->Next(); } +CDBIterator::~CDBIterator() = default; +bool CDBIterator::Valid() const { return m_impl_iter->iter->Valid(); } +void CDBIterator::SeekToFirst() { m_impl_iter->iter->SeekToFirst(); } +void CDBIterator::Next() { m_impl_iter->iter->Next(); } namespace dbwrapper_private { |