owntone-server/src/parsers/smartpl_lexer.l
2022-01-29 17:46:40 +01:00

159 lines
6.7 KiB
Plaintext

/*
* Copyright (C) 2021-2022 Espen Jürgensen <espenjurgensen@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* =========================== BOILERPLATE SECTION ===========================*/
/* This is to avoid compiler warnings about unused functions. More options are
noyyalloc noyyrealloc noyyfree. */
%option noyywrap nounput noinput
/* Thread safe scanner */
%option reentrant
/* To avoid symbol name conflicts with multiple lexers */
%option prefix="smartpl_"
/* Automake's ylwrap expexts the output to have this name */
%option outfile="lex.yy.c"
/* Makes a Bison-compatible yylex */
%option bison-bridge
%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "smartpl_parser.h"
/* Unknown why this is required despite using prefix */
#define YYSTYPE SMARTPL_STYPE
%}
/* ========================= NON-BOILERPLATE SECTION =========================*/
%option case-insensitive
/* quoted \"(\\(.|\n)|[^\\"\n])*\" */
quoted \"[^\"\n]*[\"\n]
yyyymmdd [0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]
%%
[\n\t ]+ /* Ignore whitespace */
\#.*\n /* Ignore comments */
artist { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
album_artist { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
album { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
title { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
genre { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
composer { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
path { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
type { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
grouping { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
artist_id { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
songartistid { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
songalbumid { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
codectype { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
comment { yylval->str = strdup(yytext); return SMARTPL_T_STRTAG; }
play_count { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
skip_count { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
rating { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
year { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
compilation { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
track { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
disc { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
bitrate { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
bits_per_sample { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
samplerate { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
song_length { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
usermark { yylval->str = strdup(yytext); return SMARTPL_T_INTTAG; }
time_added { yylval->str = strdup(yytext); return SMARTPL_T_DATETAG; }
time_modified { yylval->str = strdup(yytext); return SMARTPL_T_DATETAG; }
time_played { yylval->str = strdup(yytext); return SMARTPL_T_DATETAG; }
time_skipped { yylval->str = strdup(yytext); return SMARTPL_T_DATETAG; }
date_released { yylval->str = strdup(yytext); return SMARTPL_T_DATETAG; }
track_count { yylval->str = strdup(yytext); return SMARTPL_T_GROUPTAG; }
album_count { yylval->str = strdup(yytext); return SMARTPL_T_GROUPTAG; }
data_kind { yylval->str = strdup(yytext); return SMARTPL_T_DATAKINDTAG; }
media_kind { yylval->str = strdup(yytext); return SMARTPL_T_MEDIAKINDTAG; }
file { return SMARTPL_T_DATAKIND_FILE; }
url { return SMARTPL_T_DATAKIND_URL; }
spotify { return SMARTPL_T_DATAKIND_SPOTIFY; }
pipe { return SMARTPL_T_DATAKIND_PIPE; }
music { return SMARTPL_T_MEDIAKIND_MUSIC; }
movie { return SMARTPL_T_MEDIAKIND_MOVIE; }
podcast { return SMARTPL_T_MEDIAKIND_PODCAST; }
audiobook { return SMARTPL_T_MEDIAKIND_AUDIOBOOK; }
tvshow { return SMARTPL_T_MEDIAKIND_TVSHOW; }
having { return SMARTPL_T_HAVING; }
order\ by { return SMARTPL_T_ORDERBY; }
random { return SMARTPL_T_RANDOM; }
desc { return SMARTPL_T_ORDER_DESC; }
asc { return SMARTPL_T_ORDER_ASC; }
limit { return SMARTPL_T_LIMIT; }
{yyyymmdd} { yylval->str = strdup(yytext); return SMARTPL_T_DATE; }
today { return (yylval->ival = SMARTPL_T_DATE_TODAY); }
yesterday { return (yylval->ival = SMARTPL_T_DATE_YESTERDAY); }
last\ week { return (yylval->ival = SMARTPL_T_DATE_LASTWEEK); }
last\ month { return (yylval->ival = SMARTPL_T_DATE_LASTMONTH); }
last\ year { return (yylval->ival = SMARTPL_T_DATE_LASTYEAR); }
days? { return SMARTPL_T_DAYS; }
weeks? { return SMARTPL_T_WEEKS; }
months? { return SMARTPL_T_MONTHS; }
years? { return SMARTPL_T_YEARS; }
ago { return (yylval->ival = SMARTPL_T_AGO); }
before { return (yylval->ival = SMARTPL_T_BEFORE); }
after { return (yylval->ival = SMARTPL_T_AFTER); }
is { return (yylval->ival = SMARTPL_T_IS); }
includes { return (yylval->ival = SMARTPL_T_INCLUDES); }
= { return (yylval->ival = SMARTPL_T_EQUAL); }
\<= { return (yylval->ival = SMARTPL_T_LESSEQUAL); }
\< { return (yylval->ival = SMARTPL_T_LESS); }
\>= { return (yylval->ival = SMARTPL_T_GREATEREQUAL); }
\> { return (yylval->ival = SMARTPL_T_GREATER); }
or { return SMARTPL_T_OR; }
and { return SMARTPL_T_AND; }
not { return SMARTPL_T_NOT; }
{quoted} { yylval->str=strdup(yytext+1);
if(yylval->str[strlen(yylval->str)-1] == '"')
yylval->str[strlen(yylval->str)-1] = '\0';
return SMARTPL_T_STRING; }
[0-9]+ { yylval->ival=atoi(yytext); return SMARTPL_T_NUM; }
. { return yytext[0]; }
%%