third_party/WebKit/Source/core/css/CSSUnicodeRangeValue.h

   1 /*
   2  * Copyright (C) 2008 Apple 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  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef CSSUnicodeRangeValue_h
  27 #define CSSUnicodeRangeValue_h
  28
  29 #include "core/css/CSSValue.h"
  30 #include "wtf/PassRefPtr.h"
  31
  32 namespace blink {
  33
  34 class CSSUnicodeRangeValue : public CSSValue {
  35 public:
  36     static PassRefPtrWillBeRawPtr<CSSUnicodeRangeValue> create(UChar32 from, UChar32 to)
  37     {
  38         return adoptRefWillBeNoop(new CSSUnicodeRangeValue(from, to));
  39     }
  40
  41     UChar32 from() const { return m_from; }
  42     UChar32 to() const { return m_to; }
  43
  44     String customCSSText() const;
  45
  46     bool equals(const CSSUnicodeRangeValue&) const;
  47
  48     DEFINE_INLINE_TRACE_AFTER_DISPATCH() { CSSValue::traceAfterDispatch(visitor); }
  49
  50 private:
  51     CSSUnicodeRangeValue(UChar32 from, UChar32 to)
  52         : CSSValue(UnicodeRangeClass)
  53         , m_from(from)
  54         , m_to(to)
  55     {
  56     }
  57
  58     UChar32 m_from;
  59     UChar32 m_to;
  60 };
  61
  62 DEFINE_CSS_VALUE_TYPE_CASTS(CSSUnicodeRangeValue, isUnicodeRangeValue());
  63
  64 } // namespace blink
  65
  66 #endif // CSSUnicodeRangeValue_h