| /* |
| * 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 |
