Source/WTF/wtf/unicode/CollatorDefault.cpp

/*
 * Copyright (C) 2008, 2014 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 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;
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 */

#include "config.h"
#include "Collator.h"

#if UCONFIG_NO_COLLATION

namespace WTF {

int Collator::collate(StringView a, StringView b) const
{
    unsigned commonLength = std::min(a.length(), b.length());
    for (unsigned i = 0; i < commonLength; ++i) {
        if (a[i] < b[i])
            return -1;
        if (a[i] > b[i])
            return 1;
    }

    if (a.length() < b.length())
        return -1;
    if (a.length() > b.length())
        return 1;

    return 0;
}

int Collator::collateUTF8(const char* a, const char* b) const
{
    return collate(String::fromUTF8(a), String::fromUTF8(b));
}

}

#endif