src/Triple_dft.h
00001 /* -*- C++ -*- 00002 00003 textIR - A fast text document retrieval engine 00004 00005 Copyright (C) 2005-2009 Laurence Park 00006 00007 This program is free software: you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation, either version 3 of the License, or 00010 (at your option) any later version. 00011 00012 This program is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with this program. If not, see <http://www.gnu.org/licenses/>. 00019 00020 File information: 00021 $Header: /home/staff/lapark/cvsroot/web_search/textIR/src/Triple_dft.h,v 1.2 2009/10/08 06:41:30 lapark Exp $ 00022 */ 00023 00024 #ifndef TRIPLE_DFT_H 00025 #define TRIPLE_DFT_H 00026 00027 #include "CodeBlock.h" 00028 #include "Triple.tcc" 00029 00049 class Triple_dft : public Triple<int> { 00050 public: 00051 00053 Triple_dft(int doc, int ter, int freq); 00054 00056 Triple_dft(void); 00057 00059 bool indexOrder(Triple<int> &triple); 00060 00062 bool positionOrder(Triple<int> &triple); 00063 00065 bool valueOrder(Triple<int> &triple); 00066 00067 int index(void); 00068 int position(void); 00069 int value(void); 00070 void index(int x); 00071 void position(int x); 00072 void value(int x); 00073 00075 void encodeValue(CodeBlock *code, Triple<int> *lastElement); 00076 00078 void encodePosition(CodeBlock *code, Triple<int> *lastElement); 00079 00081 void encodeIndex(CodeBlock *code, Triple<int> *lastElement); 00082 void encodeValue(CodeBlock *code); 00083 void encodePosition(CodeBlock *code); 00084 void encodeIndex(CodeBlock *code); 00085 00087 void decodeValue(CodeBlock *code, Triple<int> *lastElement); 00088 00090 void decodePosition(CodeBlock *code, Triple<int> *lastElement); 00091 00093 void decodeIndex(CodeBlock *code, Triple<int> *lastElement); 00094 00095 void decodeValue(CodeBlock *code); 00096 void decodePosition(CodeBlock *code); 00097 void decodeIndex(CodeBlock *code); 00098 }; 00099 00100 00101 #endif
