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https://github.com/moses-smt/mosesdecoder.git
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64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
#pragma once
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#include "Vocabulary.h"
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class SuffixArray
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{
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public:
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typedef unsigned int INDEX;
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private:
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WORD_ID *m_array;
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INDEX *m_index;
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INDEX *m_buffer;
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char *m_wordInSentence;
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INDEX *m_sentence;
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char *m_sentenceLength;
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WORD_ID m_endOfSentence;
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Vocabulary m_vcb;
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INDEX m_size;
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INDEX m_sentenceCount;
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// No copying allowed.
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SuffixArray(const SuffixArray&);
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void operator=(const SuffixArray&);
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public:
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SuffixArray();
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~SuffixArray();
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void Create(const std::string& fileName );
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void Sort(INDEX start, INDEX end);
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int CompareIndex( INDEX a, INDEX b ) const;
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inline int CompareWord( WORD_ID a, WORD_ID b ) const;
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int Count( const std::vector< WORD > &phrase );
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bool MinCount( const std::vector< WORD > &phrase, INDEX min );
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bool Exists( const std::vector< WORD > &phrase );
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int FindMatches( const std::vector< WORD > &phrase, INDEX &firstMatch, INDEX &lastMatch, INDEX search_start = 0, INDEX search_end = -1 );
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int LimitedCount( const std::vector< WORD > &phrase, INDEX min, INDEX &firstMatch, INDEX &lastMatch, INDEX search_start = -1, INDEX search_end = 0 );
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INDEX FindFirst( const std::vector< WORD > &phrase, INDEX &start, INDEX &end );
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INDEX FindLast( const std::vector< WORD > &phrase, INDEX start, INDEX end, int direction );
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int Match( const std::vector< WORD > &phrase, INDEX index );
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void List( INDEX start, INDEX end );
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inline INDEX GetPosition( INDEX index ) const {
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return m_index[ index ];
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}
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inline INDEX GetSentence( INDEX position ) const {
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return m_sentence[position];
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}
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inline char GetWordInSentence( INDEX position ) const {
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return m_wordInSentence[position];
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}
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inline char GetSentenceLength( INDEX sentenceId ) const {
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return m_sentenceLength[sentenceId];
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}
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inline INDEX GetSize() const {
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return m_size;
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}
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inline WORD GetWord( INDEX position ) const {
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return m_vcb.GetWord( m_array[position] );
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}
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void Save(const std::string& fileName ) const;
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void Load(const std::string& fileName );
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};
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