| 1 | /**************************************************************************
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| 2 | *
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| 3 | * stemmer.h -- The stemmer/case folder
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| 4 | * Copyright (C) 1994 Neil Sharman
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 | *
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| 20 | * $Id: stemmer.h 7627 2004-06-22 04:17:06Z kjdon $
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| 21 | *
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| 22 | **************************************************************************/
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| 23 |
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| 24 | #ifndef STEMMER_H
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| 25 | #define STEMMER_H
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| 26 |
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| 27 | #include "sysfuncs.h"
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| 28 |
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| 29 | #define STEMMER_MASK 3
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| 30 | #define MAX_STEM_DESCRIPTION_LEN 16
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| 31 |
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| 32 | /* stemmernumber will return the stemmer for
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| 33 | * a description of the stemmer. Stemmer descriptions
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| 34 | * are not case sensitive. Valid descriptions are:
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| 35 | *
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| 36 | * 'English'
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| 37 | * 'Lovin'
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| 38 | * 'French'
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| 39 | * 'SimpleFrench'
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| 40 | *
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| 41 | * More than one description might result in the same
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| 42 | * stemmer number (for example, for stemming 'English'
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| 43 | * we currently use the 'Lovin' stemmer).
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| 44 | *
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| 45 | * stemmerdescription is a normal C, null-terminated,
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| 46 | * string.
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| 47 | *
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| 48 | * stemmernumber will return -1 if it doesn't know the
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| 49 | * stemmer description.
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| 50 | */
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| 51 | int stemmernumber (const u_char *stemmerdescription);
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| 52 |
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| 53 | /*
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| 54 | * Method 0 - Do not stem or case fold.
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| 55 | * Method 1 - Case fold.
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| 56 | * Method 2 - Stem.
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| 57 | * Method 3 - Case fold and stem.
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| 58 | *
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| 59 | * The stemmer number should be obtained using function
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| 60 | * stemmernumber above.
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| 61 | */
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| 62 | void stemmer (int method, int stemmer, u_char * word);
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| 63 |
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| 64 | #endif
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