third_party/WebKit/public/platform/modules/indexeddb/WebIDBKeyRange.h

   1 /*
   2  * Copyright (C) 2010 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef WebIDBKeyRange_h
  27 #define WebIDBKeyRange_h
  28
  29 #include "public/platform/WebCommon.h"
  30 #include "public/platform/WebPrivatePtr.h"
  31
  32 namespace blink {
  33
  34 class IDBKeyRange;
  35 class WebIDBKey;
  36
  37 class WebIDBKeyRange {
  38 public:
  39     ~WebIDBKeyRange() { reset(); }
  40
  41     WebIDBKeyRange(const WebIDBKeyRange& keyRange) { assign(keyRange); }
  42     WebIDBKeyRange(const WebIDBKey& lower, const WebIDBKey& upper, bool lowerOpen, bool upperOpen) { assign(lower, upper, lowerOpen, upperOpen); }
  43
  44     BLINK_EXPORT WebIDBKey lower() const;
  45     BLINK_EXPORT WebIDBKey upper() const;
  46     BLINK_EXPORT bool lowerOpen() const;
  47     BLINK_EXPORT bool upperOpen() const;
  48
  49     BLINK_EXPORT void assign(const WebIDBKeyRange&);
  50     BLINK_EXPORT void assign(const WebIDBKey& lower, const WebIDBKey& upper, bool lowerOpen, bool upperOpen);
  51 // FIXME: when compiling core or modules, use inline for reset.
  52 // when compiling WebIDBKeyRange.cpp, don't use inline to avoid redefinition.
  53 #if !BLINK_WEB_IMPLEMENTATION && LINK_CORE_MODULES_SEPARATELY
  54     BLINK_EXPORT void reset()
  55     {
  56         m_private.reset();
  57     }
  58 #else
  59     BLINK_EXPORT void reset();
  60 #endif
  61
  62 #if BLINK_IMPLEMENTATION
  63     WebIDBKeyRange(IDBKeyRange* value)
  64         : m_private(value)
  65     { }
  66     WebIDBKeyRange& operator=(IDBKeyRange* value)
  67     {
  68         m_private = value;
  69         return *this;
  70     }
  71     operator IDBKeyRange*() const
  72     {
  73         return m_private.get();
  74     }
  75 #endif
  76
  77 private:
  78     WebPrivatePtr<IDBKeyRange> m_private;
  79 };
  80
  81 } // namespace blink
  82
  83 #endif // WebIDBKeyRange_h