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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MutableRange_h
#define MutableRange_h
#if ENABLE(CONTENT_EXTENSIONS)
namespace WebCore {
namespace ContentExtensions {
template <typename CharacterType, typename DataType>
class MutableRange {
typedef MutableRange<CharacterType, DataType> TypedMutableRange;
public:
MutableRange(uint32_t nextRangeIndex, CharacterType first, CharacterType last)
: nextRangeIndex(nextRangeIndex)
, first(first)
, last(last)
{
ASSERT(first <= last);
}
MutableRange(const DataType& data, uint32_t nextRangeIndex, CharacterType first, CharacterType last)
: data(data)
, nextRangeIndex(nextRangeIndex)
, first(first)
, last(last)
{
ASSERT(first <= last);
}
MutableRange(DataType&& data, uint32_t nextRangeIndex, CharacterType first, CharacterType last)
: data(WTFMove(data))
, nextRangeIndex(nextRangeIndex)
, first(first)
, last(last)
{
ASSERT(first <= last);
}
MutableRange(MutableRange&& other)
: data(WTFMove(other.data))
, nextRangeIndex(other.nextRangeIndex)
, first(other.first)
, last(other.last)
{
ASSERT(first <= last);
}
TypedMutableRange& operator=(TypedMutableRange&& other)
{
data = WTFMove(other.data);
nextRangeIndex = WTFMove(other.nextRangeIndex);
first = WTFMove(other.first);
last = WTFMove(other.last);
return *this;
}
DataType data;
// We use a funny convention: if there are no nextRange, the nextRangeIndex is zero.
// This is faster to check than a special value in many cases.
// We can use zero because ranges can only form a chain, and the first range is always zero by convention.
// When we insert something in from of the first range, we swap the values.
uint32_t nextRangeIndex;
CharacterType first;
CharacterType last;
};
}
} // namespace WebCore
#endif // ENABLE(CONTENT_EXTENSIONS)
#endif // MutableRange_h
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