68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
#ifndef _rcldb_p_h_included_
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#define _rcldb_p_h_included_
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#include "xapian.h"
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namespace Rcl {
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/* @(#$Id: rcldb_p.h,v 1.2 2008-07-28 08:42:52 dockes Exp $ (C) 2007 J.F.Dockes */
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// Generic Xapian exception catching code. We do this quite often,
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// and I have no idea how to do this except for a macro
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#define XCATCHERROR(MSG) \
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catch (const Xapian::Error &e) { \
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MSG = e.get_msg(); \
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if (MSG.empty()) MSG = "Empty error message"; \
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} catch (const string &s) { \
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MSG = s; \
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if (MSG.empty()) MSG = "Empty error message"; \
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} catch (const char *s) { \
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MSG = s; \
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if (MSG.empty()) MSG = "Empty error message"; \
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} catch (...) { \
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MSG = "Caught unknown xapian exception"; \
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}
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class Query;
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// A class for data and methods that would have to expose
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// Xapian-specific stuff if they were in Rcl::Db. There could actually be
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// 2 different ones for indexing or query as there is not much in
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// common.
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class Db::Native {
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public:
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Db *m_db;
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bool m_isopen;
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bool m_iswritable;
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// Indexing
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Xapian::WritableDatabase wdb;
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// Querying
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Xapian::Database db;
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Native(Db *db)
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: m_db(db), m_isopen(false), m_iswritable(false)
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{ }
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~Native() {
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}
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string makeAbstract(Xapian::docid id, Query *query);
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bool dbDataToRclDoc(Xapian::docid docid, std::string &data, Doc &doc);
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/** Compute list of subdocuments for a given path (given by hash)
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* We look for all Q terms beginning with the path/hash
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* As suggested by James Aylett, a better method would be to add
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* a single term (ie: XP/path/to/file) to all subdocs, then finding
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* them would be a simple matter of retrieving the posting list for the
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* term. There would still be a need for the current Qterm though, as a
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* unique term for replace_document, and for retrieving by
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* path/ipath (history)
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*/
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bool subDocs(const string &uniterm, vector<Xapian::docid>& docids);
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};
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}
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#endif /* _rcldb_p_h_included_ */
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