aboutsummaryrefslogtreecommitdiff
path: root/src/leveldb/table/iterator.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/leveldb/table/iterator.cc')
-rw-r--r--src/leveldb/table/iterator.cc67
1 files changed, 0 insertions, 67 deletions
diff --git a/src/leveldb/table/iterator.cc b/src/leveldb/table/iterator.cc
deleted file mode 100644
index 3d1c87fde..000000000
--- a/src/leveldb/table/iterator.cc
+++ /dev/null
@@ -1,67 +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.
-
-#include "leveldb/iterator.h"
-
-namespace leveldb {
-
-Iterator::Iterator() {
- cleanup_.function = NULL;
- cleanup_.next = NULL;
-}
-
-Iterator::~Iterator() {
- if (cleanup_.function != NULL) {
- (*cleanup_.function)(cleanup_.arg1, cleanup_.arg2);
- for (Cleanup* c = cleanup_.next; c != NULL; ) {
- (*c->function)(c->arg1, c->arg2);
- Cleanup* next = c->next;
- delete c;
- c = next;
- }
- }
-}
-
-void Iterator::RegisterCleanup(CleanupFunction func, void* arg1, void* arg2) {
- assert(func != NULL);
- Cleanup* c;
- if (cleanup_.function == NULL) {
- c = &cleanup_;
- } else {
- c = new Cleanup;
- c->next = cleanup_.next;
- cleanup_.next = c;
- }
- c->function = func;
- c->arg1 = arg1;
- c->arg2 = arg2;
-}
-
-namespace {
-class EmptyIterator : public Iterator {
- public:
- EmptyIterator(const Status& s) : status_(s) { }
- virtual bool Valid() const { return false; }
- virtual void Seek(const Slice& target) { }
- virtual void SeekToFirst() { }
- virtual void SeekToLast() { }
- virtual void Next() { assert(false); }
- virtual void Prev() { assert(false); }
- Slice key() const { assert(false); return Slice(); }
- Slice value() const { assert(false); return Slice(); }
- virtual Status status() const { return status_; }
- private:
- Status status_;
-};
-} // namespace
-
-Iterator* NewEmptyIterator() {
- return new EmptyIterator(Status::OK());
-}
-
-Iterator* NewErrorIterator(const Status& status) {
- return new EmptyIterator(status);
-}
-
-} // namespace leveldb