| 1 | /* |
| 2 | * Copyright (C) 2008, 2014 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 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
| 14 | * its contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include "config.h" |
| 30 | #include <wtf/unicode/Collator.h> |
| 31 | |
| 32 | #if UCONFIG_NO_COLLATION |
| 33 | |
| 34 | namespace WTF { |
| 35 | |
| 36 | int Collator::collate(StringView a, StringView b) const |
| 37 | { |
| 38 | unsigned commonLength = std::min(a.length(), b.length()); |
| 39 | for (unsigned i = 0; i < commonLength; ++i) { |
| 40 | if (a[i] < b[i]) |
| 41 | return -1; |
| 42 | if (a[i] > b[i]) |
| 43 | return 1; |
| 44 | } |
| 45 | |
| 46 | if (a.length() < b.length()) |
| 47 | return -1; |
| 48 | if (a.length() > b.length()) |
| 49 | return 1; |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | int Collator::collateUTF8(const char* a, const char* b) const |
| 55 | { |
| 56 | return collate(String::fromUTF8(a), String::fromUTF8(b)); |
| 57 | } |
| 58 | |
| 59 | } |
| 60 | |
| 61 | #endif |
| 62 | |