mirror of
https://github.com/eclipse-openvehicle-api/openvehicle-api.git
synced 2026-04-18 10:38:16 +00:00
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/********************************************************************************
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* Copyright (c) 2025-2026 ZF Friedrichshafen AG
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Contributors:
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* Erik Verhoeven - initial API and implementation
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********************************************************************************/
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#include "hash_calc.h"
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CHashObject::CHashObject()
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{
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// Create a xxHash state
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m_state = XXH64_createState();
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/* Initialize state with selected seed */
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XXH64_hash_t seed = 0; /* or any other value */
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if (XXH64_reset(m_state, seed) == XXH_ERROR)
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{
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XXH64_freeState(m_state);
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m_state = nullptr;
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}
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}
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CHashObject::~CHashObject()
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{
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if (m_state) XXH64_freeState(m_state);
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}
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CHashObject& CHashObject::operator<<(const std::string& rssString)
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{
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if (!m_state) return *this;
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if (rssString.empty()) return *this;
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if (XXH64_update(m_state, rssString.c_str(), rssString.size()) == XXH_ERROR)
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{
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XXH64_freeState(m_state);
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m_state = nullptr;
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}
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return *this;
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}
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uint64_t CHashObject::GetHash() const
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{
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if (!m_state) return 0;
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XXH64_hash_t hash = XXH64_digest(m_state);
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return hash;
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}
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