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a/src/rcldb/stemdb.h |
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b/src/rcldb/stemdb.h |
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#include <string>
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#include <string>
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#include <xapian.h>
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#include <xapian.h>
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#include "synfamily.h"
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#include "synfamily.h"
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#include "unacpp.h"
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namespace Rcl {
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namespace Rcl {
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/* A stemming functor for using with XapComputableSynFamMember */
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class SynTermTransStem : public SynTermTrans {
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public:
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SynTermTransStem(const std::string& lang)
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: m_stemmer(lang), m_lang(lang)
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{
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}
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virtual std::string operator()(const std::string& in)
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{
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string out = m_stemmer(in);
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LOGDEB2(("SynTermTransStem(%s): in [%s] out [%s]\n", m_lang.c_str(),
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in.c_str(), out.c_str()));
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return out;
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}
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Xapian::Stem m_stemmer;
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std::string m_lang;
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};
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/** Stemdb is a bit special as a SynFamily as we may want to expand for one
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* or several members (languages) */
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class StemDb : public XapSynFamily {
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class StemDb : public XapSynFamily {
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public:
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public:
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StemDb(Xapian::Database& xdb)
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StemDb(Xapian::Database& xdb)
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: XapSynFamily(xdb, synFamStem)
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: XapSynFamily(xdb, synFamStem)
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{
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{
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}
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}
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/** Expand for a number of languages */
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/** Expand for a number of languages */
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bool stemExpand(const std::string& langs,
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bool stemExpand(const std::string& langs,
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const std::string& term,
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const std::string& term,
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std::vector<std::string>& result);
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std::vector<std::string>& result);
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private:
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/** Compute stem and call synExpand() */
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bool expandOne(const std::string& lang,
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const std::string& term,
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std::vector<std::string>& result);
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};
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};
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extern bool createExpansionDbs(Xapian::WritableDatabase& wdb,
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const std::vector<std::string>& langs);
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}
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}
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#endif /* _STEMDB_H_INCLUDED_ */
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#endif /* _STEMDB_H_INCLUDED_ */
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