Use system-wide LevelDB instead of bundled one

1 files changed, 0 insertions, 147 deletions

diff --git a/src/leveldb/db/write_batch.cc b/src/leveldb/db/write_batch.cc
deleted file mode 100644
index 33f4a4257..000000000
--- a/src/leveldb/db/write_batch.cc
+++ /dev/null
@@ -1,147 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-//
-// WriteBatch::rep_ :=
-//    sequence: fixed64
-//    count: fixed32
-//    data: record[count]
-// record :=
-//    kTypeValue varstring varstring         |
-//    kTypeDeletion varstring
-// varstring :=
-//    len: varint32
-//    data: uint8[len]
-
-#include "leveldb/write_batch.h"
-
-#include "leveldb/db.h"
-#include "db/dbformat.h"
-#include "db/memtable.h"
-#include "db/write_batch_internal.h"
-#include "util/coding.h"
-
-namespace leveldb {
-
-// WriteBatch header has an 8-byte sequence number followed by a 4-byte count.
-static const size_t kHeader = 12;
-
-WriteBatch::WriteBatch() {
-  Clear();
-}
-
-WriteBatch::~WriteBatch() { }
-
-WriteBatch::Handler::~Handler() { }
-
-void WriteBatch::Clear() {
-  rep_.clear();
-  rep_.resize(kHeader);
-}
-
-Status WriteBatch::Iterate(Handler* handler) const {
-  Slice input(rep_);
-  if (input.size() < kHeader) {
-    return Status::Corruption("malformed WriteBatch (too small)");
-  }
-
-  input.remove_prefix(kHeader);
-  Slice key, value;
-  int found = 0;
-  while (!input.empty()) {
-    found++;
-    char tag = input[0];
-    input.remove_prefix(1);
-    switch (tag) {
-      case kTypeValue:
-        if (GetLengthPrefixedSlice(&input, &key) &&
-            GetLengthPrefixedSlice(&input, &value)) {
-          handler->Put(key, value);
-        } else {
-          return Status::Corruption("bad WriteBatch Put");
-        }
-        break;
-      case kTypeDeletion:
-        if (GetLengthPrefixedSlice(&input, &key)) {
-          handler->Delete(key);
-        } else {
-          return Status::Corruption("bad WriteBatch Delete");
-        }
-        break;
-      default:
-        return Status::Corruption("unknown WriteBatch tag");
-    }
-  }
-  if (found != WriteBatchInternal::Count(this)) {
-    return Status::Corruption("WriteBatch has wrong count");
-  } else {
-    return Status::OK();
-  }
-}
-
-int WriteBatchInternal::Count(const WriteBatch* b) {
-  return DecodeFixed32(b->rep_.data() + 8);
-}
-
-void WriteBatchInternal::SetCount(WriteBatch* b, int n) {
-  EncodeFixed32(&b->rep_[8], n);
-}
-
-SequenceNumber WriteBatchInternal::Sequence(const WriteBatch* b) {
-  return SequenceNumber(DecodeFixed64(b->rep_.data()));
-}
-
-void WriteBatchInternal::SetSequence(WriteBatch* b, SequenceNumber seq) {
-  EncodeFixed64(&b->rep_[0], seq);
-}
-
-void WriteBatch::Put(const Slice& key, const Slice& value) {
-  WriteBatchInternal::SetCount(this, WriteBatchInternal::Count(this) + 1);
-  rep_.push_back(static_cast<char>(kTypeValue));
-  PutLengthPrefixedSlice(&rep_, key);
-  PutLengthPrefixedSlice(&rep_, value);
-}
-
-void WriteBatch::Delete(const Slice& key) {
-  WriteBatchInternal::SetCount(this, WriteBatchInternal::Count(this) + 1);
-  rep_.push_back(static_cast<char>(kTypeDeletion));
-  PutLengthPrefixedSlice(&rep_, key);
-}
-
-namespace {
-class MemTableInserter : public WriteBatch::Handler {
- public:
-  SequenceNumber sequence_;
-  MemTable* mem_;
-
-  virtual void Put(const Slice& key, const Slice& value) {
-    mem_->Add(sequence_, kTypeValue, key, value);
-    sequence_++;
-  }
-  virtual void Delete(const Slice& key) {
-    mem_->Add(sequence_, kTypeDeletion, key, Slice());
-    sequence_++;
-  }
-};
-}  // namespace
-
-Status WriteBatchInternal::InsertInto(const WriteBatch* b,
-                                      MemTable* memtable) {
-  MemTableInserter inserter;
-  inserter.sequence_ = WriteBatchInternal::Sequence(b);
-  inserter.mem_ = memtable;
-  return b->Iterate(&inserter);
-}
-
-void WriteBatchInternal::SetContents(WriteBatch* b, const Slice& contents) {
-  assert(contents.size() >= kHeader);
-  b->rep_.assign(contents.data(), contents.size());
-}
-
-void WriteBatchInternal::Append(WriteBatch* dst, const WriteBatch* src) {
-  SetCount(dst, Count(dst) + Count(src));
-  assert(src->rep_.size() >= kHeader);
-  dst->rep_.append(src->rep_.data() + kHeader, src->rep_.size() - kHeader);
-}
-
-}  // namespace leveldb