apps/plugins/searchengine/token.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Michiel van der Kolk
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #define TOKEN_INVALID         -1
  22 #define TOKEN_EOF              0 // EOF
  23 #define TOKEN_NOT              1 // "not"
  24 #define TOKEN_AND              2 // "and"
  25 #define TOKEN_OR               3 // "or"
  26 #define TOKEN_GT               4 // '>'
  27 #define TOKEN_GTE              5 // '>='
  28 #define TOKEN_LT               6 // '<'
  29 #define TOKEN_LTE              7 // '<='
  30 #define TOKEN_EQ               8 // '=='
  31 #define TOKEN_NE               9 // '!='
  32 #define TOKEN_CONTAINS         10 // "contains"
  33 #define TOKEN_EQUALS           11 // "equals"
  34 #define TOKEN_STARTSWITH       12
  35 #define TOKEN_ENDSWITH         13
  36 #define TOKEN_LPAREN           14 // '('
  37 #define TOKEN_RPAREN           15 // ')'
  38 #define TOKEN_NUM              16 // (0..9)+
  39 #define TOKEN_NUMIDENTIFIER    17 // year, trackid, bpm, etc.
  40 #define TOKEN_STRING           18 // (?)+
  41 #define TOKEN_STRINGIDENTIFIER 19 // album, artist, title, genre ...
  42 #define TOKEN_SHUFFLE          20
  43 #define TOKEN_PLAYTIMELIMIT    21
  44
  45 #define INTVALUE_YEAR          1
  46 #define INTVALUE_RATING        2
  47 #define INTVALUE_PLAYCOUNT     3
  48 #define INTVALUE_AUTORATING    4
  49 #define INTVALUE_PLAYTIME      5
  50 #define INTVALUE_TRACKNUM      6
  51 #define INTVALUE_SAMPLERATE    7
  52 #define INTVALUE_BITRATE       8
  53 #define INTVALUE_TITLE        14
  54 #define INTVALUE_ARTIST       15
  55 #define INTVALUE_ALBUM        16
  56 #define INTVALUE_GENRE        17
  57 #define INTVALUE_FILENAME     18
  58
  59 #define SPELLING_LENGTH 100
  60
  61 struct token {
  62     char kind;
  63     char spelling[SPELLING_LENGTH + 3];
  64     long intvalue;
  65 };
  66
  67 char *getstring(struct token *token);
  68 int getvalue(struct token *token);