00001 00004 /* Copyright (C) 2009 Olly Betts 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #ifndef XAPIAN_INCLUDED_VALUESTREAMDOCUMENT_H 00022 #define XAPIAN_INCLUDED_VALUESTREAMDOCUMENT_H 00023 00024 #include "document.h" 00025 #include "valuelist.h" 00026 #include "xapian/types.h" 00027 00028 #include <map> 00029 00031 class ValueStreamDocument : public Xapian::Document::Internal { 00033 void operator=(const ValueStreamDocument &); 00034 00036 ValueStreamDocument(const ValueStreamDocument &); 00037 00038 mutable std::map<Xapian::valueno, ValueList *> valuelists; 00039 00040 Xapian::Database db; 00041 00042 size_t current; 00043 00044 mutable Xapian::Document::Internal * doc; 00045 00046 public: 00047 ValueStreamDocument(const Xapian::Database & db_) 00048 : Internal(db_.internal[0], 0), db(db_), current(0), doc(NULL) { } 00049 00050 void new_subdb(int n); 00051 00052 ~ValueStreamDocument(); 00053 00054 void set_document(Xapian::docid did_) { 00055 did = did_; 00056 delete doc; 00057 doc = NULL; 00058 } 00059 00060 // Optimise away the virtual call when the matcher wants to know a value. 00061 string get_value(Xapian::valueno slot) const { 00062 return ValueStreamDocument::do_get_value(slot); 00063 } 00064 00065 private: 00067 string do_get_value(Xapian::valueno slot) const; 00068 void do_get_all_values(map<Xapian::valueno, string> & values_) const; 00069 string do_get_data() const; 00071 }; 00072 00073 #endif // XAPIAN_INCLUDED_VALUESTREAMDOCUMENT_H