1 | /**************************************************************************
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2 | *
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3 | * environment.h -- mgquery environment functions
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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: environment.h 3745 2003-02-20 21:20:24Z mdewsnip $
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21 | *
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22 | **************************************************************************/
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23 |
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24 |
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25 | #ifndef ENVIRONMENT_H
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26 | #define ENVIRONMENT_H
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27 |
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28 | #define OUTPUT_TEXT 'T'
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29 | #define OUTPUT_HEADERS 'H'
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30 | #define OUTPUT_SILENT 'S'
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31 | #define OUTPUT_EXTRAS 'E'
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32 | #define OUTPUT_HILITE 'I'
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33 | #define OUTPUT_COUNT 'C'
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34 | #define OUTPUT_DOCNUMS 'D'
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35 |
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36 | #define QUERY_RANKED 'R'
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37 | #define QUERY_APPROX 'A'
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38 | #define QUERY_BOOLEAN 'B'
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39 | #define QUERY_DOCNUMS 'D'
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40 |
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41 |
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42 | char get_output_type (void);
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43 | char get_query_type (void);
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44 |
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45 | extern char *ConstraintErrorStr;
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46 | int SetEnv (char *name, char *data, char *(*Constraint) (char *, char *));
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47 | char *GetEnv (char *name);
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48 | char *GetDefEnv (char *name, char *def);
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49 | int UnsetEnv (char *name, int Force);
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50 | char *de_escape_string (char *s);
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51 | int PushEnv (void);
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52 | int PopEnv (void);
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53 | int EnvStackHeight (void);
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54 | char *GetEnvName (int i);
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55 | int BooleanEnv (char *data, int def);
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56 | long IntEnv (char *data, long def);
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57 |
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58 | void InitEnv (void);
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59 | void UninitEnv (void);
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60 |
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61 | #endif
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