#ifndef _RCLASPELL_H_INCLUDED_
#define _RCLASPELL_H_INCLUDED_
/* @(#$Id: rclaspell.h,v 1.3 2006-10-11 14:16:25 dockes Exp $ (C) 2006 J.F.Dockes */
/* autoconfig.h must be included before this file */
#ifdef RCL_USE_ASPELL
/**
* Aspell speller interface class.
*
* Aspell is used to let the user find about spelling variations that may
* exist in the document set for a given word.
* A specific aspell dictionary is created out of all the terms in the
* xapian index, and we then use it to expand a term to spelling neighbours.
* We use the aspell C api for term expansion, but have
* to execute the program to create dictionaries.
*/
#include <string>
#include <list>
#include "rclconfig.h"
#include "rcldb.h"
#ifndef NO_NAMESPACES
using std::string;
using std::list;
#endif // NO_NAMESPACES
class AspellData;
class Aspell {
public:
Aspell(RclConfig *cnf)
: m_config(cnf), m_data(0) {};
~Aspell();
/** Check health */
bool ok();
/** Find the aspell command and shared library, init function pointers */
bool init(string &reason);
/** Build dictionary out of index term list. This is done at the end
* of an indexing pass. */
bool buildDict(Rcl::Db &db, string &reason);
/** Return a list of possible expansions for a given word */
bool suggest(Rcl::Db &db, string &term, list<string> &suggestions,
string &reason);
private:
string dicPath();
RclConfig *m_config;
string m_lang;
AspellData *m_data;
};
#endif /* RCL_USE_ASPELL */
#endif /* _RCLASPELL_H_INCLUDED_ */