38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#ifndef _STEMDB_H_INCLUDED_
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#define _STEMDB_H_INCLUDED_
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/* @(#$Id: stemdb.h,v 1.1 2006-04-13 09:50:03 dockes Exp $ (C) 2004 J.F.Dockes */
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#ifdef RCLDB_INTERNAL
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/// Stem database code
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///
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/// Stem databases list stems and the set of index terms they expand to. They
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/// are computed from index data by stemming each term and regrouping those
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/// that stem to the same value.
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/// Stem databases are stored as separate xapian databases (used as an
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/// Isam method), in subdirectories of the index.
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#include <list>
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#include <string>
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#include <xapian.h>
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namespace Rcl {
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namespace StemDb {
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/// Get languages of existing stem databases
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extern std::list<std::string> getLangs(const std::string& dbdir);
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/// Delete stem database for given language
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extern bool deleteDb(const std::string& dbdir, const std::string& lang);
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/// Create stem database for given language
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extern bool createDb(Xapian::Database& xdb,
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const std::string& dbdir, const std::string& lang);
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/// Expand term to stem siblings
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extern std::list<std::string> stemExpand(const std::string& dbdir,
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const std::string& lang,
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const std::string& term);
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}
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}
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#endif // RCLDB_INTERNAL
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#endif /* _STEMDB_H_INCLUDED_ */
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