weex_core/Source/include/wtf/text/NullTextBreakIterator.h

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#pragma once

namespace WTF {

class NullTextBreakIterator {
public:
    NullTextBreakIterator() = default;
    NullTextBreakIterator(const NullTextBreakIterator&) = delete;
    NullTextBreakIterator(NullTextBreakIterator&&) = default;
    NullTextBreakIterator& operator=(const NullTextBreakIterator&) = delete;
    NullTextBreakIterator& operator=(NullTextBreakIterator&&) = default;

    std::optional<unsigned> preceding(unsigned) const
    {
        ASSERT_NOT_REACHED();
        return { };
    }

    std::optional<unsigned> following(unsigned) const
    {
        ASSERT_NOT_REACHED();
        return { };
    }

    bool isBoundary(unsigned) const
    {
        ASSERT_NOT_REACHED();
        return false;
    }

    void setText(StringView)
    {
        ASSERT_NOT_REACHED();
    }
};

}