62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/*
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* Tencent is pleased to support the open source community by making
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* MMKV available.
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*
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* Copyright (C) 2018 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License"); you may not use
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* this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "PBUtility.h"
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namespace mmkv {
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uint32_t pbRawVarint32Size(uint32_t value) {
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if ((value & (0xffffffff << 7)) == 0) {
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return 1;
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} else if ((value & (0xffffffff << 14)) == 0) {
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return 2;
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} else if ((value & (0xffffffff << 21)) == 0) {
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return 3;
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} else if ((value & (0xffffffff << 28)) == 0) {
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return 4;
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}
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return 5;
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}
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uint32_t pbUInt64Size(uint64_t value) {
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if ((value & (0xffffffffffffffffL << 7)) == 0) {
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return 1;
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} else if ((value & (0xffffffffffffffffL << 14)) == 0) {
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return 2;
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} else if ((value & (0xffffffffffffffffL << 21)) == 0) {
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return 3;
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} else if ((value & (0xffffffffffffffffL << 28)) == 0) {
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return 4;
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} else if ((value & (0xffffffffffffffffL << 35)) == 0) {
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return 5;
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} else if ((value & (0xffffffffffffffffL << 42)) == 0) {
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return 6;
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} else if ((value & (0xffffffffffffffffL << 49)) == 0) {
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return 7;
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} else if ((value & (0xffffffffffffffffL << 56)) == 0) {
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return 8;
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} else if ((value & (0xffffffffffffffffL << 63)) == 0) {
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return 9;
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}
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return 10;
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}
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} // namespace mmkv
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