content/common/indexed_db/indexed_db_key_range.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/common/indexed_db/indexed_db_key_range.h"
   6
   7 #include "base/logging.h"
   8 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
   9
  10 namespace content {
  11
  12 IndexedDBKeyRange::IndexedDBKeyRange() = default;
  13
  14 IndexedDBKeyRange::IndexedDBKeyRange(const IndexedDBKey& lower,
  15                                      const IndexedDBKey& upper,
  16                                      bool lower_open,
  17                                      bool upper_open)
  18     : lower_(lower),
  19       upper_(upper),
  20       lower_open_(lower_open),
  21       upper_open_(upper_open) {}
  22
  23 IndexedDBKeyRange::IndexedDBKeyRange(const IndexedDBKey& key)
  24     : lower_(key), upper_(key) {
  25 }
  26
  27 IndexedDBKeyRange::IndexedDBKeyRange(const IndexedDBKeyRange& other) = default;
  28 IndexedDBKeyRange::~IndexedDBKeyRange() = default;
  29 IndexedDBKeyRange& IndexedDBKeyRange::operator=(
  30     const IndexedDBKeyRange& other) = default;
  31
  32 bool IndexedDBKeyRange::IsOnlyKey() const {
  33   if (lower_open_ || upper_open_)
  34     return false;
  35   if (IsEmpty())
  36     return false;
  37
  38   return lower_.Equals(upper_);
  39 }
  40
  41 bool IndexedDBKeyRange::IsEmpty() const {
  42   return !lower_.IsValid() && !upper_.IsValid();
  43 }
  44
  45 }  // namespace content