/* | |
* 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) | |
{ | |
} | |
std::auto_ptr<Collator> Collator::userDefault() | |
{ | |
return std::auto_ptr<Collator>(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 |