#ifndef _rcldb_p_h_included_
#define _rcldb_p_h_included_
#include "xapian.h"
namespace Rcl {
/* @(#$Id: rcldb_p.h,v 1.1 2008-06-13 18:22:46 dockes Exp $ (C) 2007 J.F.Dockes */
// Generic Xapian exception catching code. We do this quite often,
// and I have no idea how to do this except for a macro
#define XCATCHERROR(MSG) \
catch (const Xapian::Error &e) { \
MSG = e.get_msg(); \
if (MSG.empty()) MSG = "Empty error message"; \
} catch (const string &s) { \
MSG = s; \
if (MSG.empty()) MSG = "Empty error message"; \
} catch (const char *s) { \
MSG = s; \
if (MSG.empty()) MSG = "Empty error message"; \
} catch (...) { \
MSG = "Caught unknown xapian exception"; \
}
class Query;
// A class for data and methods that would have to expose
// Xapian-specific stuff if they were in Rcl::Db. There could actually be
// 2 different ones for indexing or query as there is not much in
// common.
class Db::Native {
public:
Db *m_db;
bool m_isopen;
bool m_iswritable;
// Indexing
Xapian::WritableDatabase wdb;
// Querying
Xapian::Database db;
Native(Db *db)
: m_db(db), m_isopen(false), m_iswritable(false)
{ }
~Native() {
}
string makeAbstract(Xapian::docid id, Query *query);
bool dbDataToRclDoc(Xapian::docid docid, std::string &data, Doc &doc);
/** Compute list of subdocuments for a given path (given by hash)
* We look for all Q terms beginning with the path/hash
* As suggested by James Aylett, a better method would be to add
* a single term (ie: XP/path/to/file) to all subdocs, then finding
* them would be a simple matter of retrieving the posting list for the
* term. There would still be a need for the current Qterm though, as a
* unique term for replace_document, and for retrieving by
* path/ipath (history)
*/
bool subDocs(const string &hash, vector<Xapian::docid>& docids);
};
}
#endif /* _rcldb_p_h_included_ */