blob: 7bde114a48bea1ab290992df116141d6ae34437e [file] [log] [blame]
/*
* Copyright (C) 2008 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#include "config.h"
#include "Collator.h"
#if !USE(ICU_UNICODE) || UCONFIG_NO_COLLATION
namespace WTF {
Collator::Collator(const char*)
{
}
Collator::~Collator()
{
}
void Collator::setOrderLowerFirst(bool)
{
}
PassOwnPtr<Collator> Collator::userDefault()
{
return adoptPtr(new Collator(0));
}
// A default implementation for platforms that lack Unicode-aware collation.
Collator::Result Collator::collate(const UChar* lhs, size_t lhsLength, const UChar* rhs, size_t rhsLength) const
{
int lmin = lhsLength < rhsLength ? lhsLength : rhsLength;
int l = 0;
while (l < lmin && *lhs == *rhs) {
lhs++;
rhs++;
l++;
}
if (l < lmin)
return (*lhs > *rhs) ? Greater : Less;
if (lhsLength == rhsLength)
return Equal;
return (lhsLength > rhsLength) ? Greater : Less;
}
}
#endif