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https://github.com/eclipse-openvehicle-api/openvehicle-api.git
synced 2026-02-05 15:18:45 +00:00
40 lines
795 B
C++
40 lines
795 B
C++
#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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