forked from Mirrors/privacore-open-source-search-engine
42 lines
1005 B
C++
42 lines
1005 B
C++
#ifndef GB_UCPROPTABLE_H
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#define GB_UCPROPTABLE_H
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#include <sys/types.h>
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#include <stdlib.h> //NULL
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class UCPropTable {
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public:
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UCPropTable(unsigned char valueSize = 1,
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unsigned char tableBits = 16) ;
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virtual ~UCPropTable() ;
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void reset();
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//void *getValue(uint32_t c);
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const void *getValue(uint32_t c) const {
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uint32_t prefix = c >> m_tableBits;
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uint32_t key = c & m_tableMask;
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if (prefix >= m_numTables) return NULL;
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if (m_data[prefix] == NULL) return NULL;
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return (const void*) (m_data[prefix] + key*m_valueSize);
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}
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bool setValue(uint32_t c, const void *value);
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size_t getSize() const { return getStoredSize() + m_numTables*sizeof(char*); }
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size_t getStoredSize() const;
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size_t serialize(char *buf, size_t bufSize) const;
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size_t deserialize(const void *buf, size_t bufSize);
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private:
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unsigned char **m_data;
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unsigned char m_valueSize;
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unsigned char m_tableBits;
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uint32_t m_tableSize;
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uint32_t m_tableMask;
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uint32_t m_numTables;
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};
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#endif // GB_UCPROPTABLE_H
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