/*

 * Copyright (c) 2026 Huawei Device Co., Ltd.

 * Licensed 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.

 */



#include "ump_packet.h"



// Optimized constructor for the most common case (1 word)

UmpPacket::UmpPacket(uint32_t w0)

{

    data_[0] = w0;

    // data_[1]..[3] are already 0 via member initialization

    word_count_ = 1;

}



// Universal constructor for variable length

UmpPacket::UmpPacket(std::initializer_list<uint32_t> words)

{

    word_count_ = static_cast<uint8_t>(std::min(words.size(), MAX_WORD_COUNT));

    

    size_t i = 0;

    for (uint32_t w : words) {

        if (i < MAX_WORD_COUNT) data_[i++] = w;

    }

}



uint32_t UmpPacket::Word(size_t index) const

{

    return (index < MAX_WORD_COUNT) ? data_[index] : 0;

}



uint8_t UmpPacket::WordCount() const

{

    return word_count_;

}