mirror of
https://github.com/owntone/owntone-server.git
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100 lines
3.7 KiB
Plaintext
100 lines
3.7 KiB
Plaintext
/*
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* Copyright (C) 2021-2022 Espen Jürgensen <espenjurgensen@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* =========================== BOILERPLATE SECTION ===========================*/
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/* This is to avoid compiler warnings about unused functions. More options are
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noyyalloc noyyrealloc noyyfree. */
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%option noyywrap nounput noinput
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/* Thread safe scanner */
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%option reentrant
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/* To avoid symbol name conflicts with multiple lexers */
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%option prefix="rsp_"
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/* Automake's ylwrap expexts the output to have this name */
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%option outfile="lex.yy.c"
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/* Makes a Bison-compatible yylex */
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%option bison-bridge
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%{
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#include <stdio.h>
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#include "rsp_parser.h"
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/* Unknown why this is required despite using prefix */
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#define YYSTYPE RSP_STYPE
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%}
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/* ========================= NON-BOILERPLATE SECTION =========================*/
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/* quoted \"(\\.|[^\\"])*\" */
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quoted \"(\\.|[^"])+\"
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yyyymmdd [0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]
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%%
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[\n\t ]+ /* Ignore whitespace */
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/* This selection of tags is based on what is actually seen from
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current Soundsbridges and then some extra that seem plausible
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it might use. Add more if needed.
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*/
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artist { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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album_artist { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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album { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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title { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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genre { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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composer { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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path { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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fname { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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type { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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orchestra { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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grouping { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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url { yylval->str = strdup(yytext); return RSP_T_STRTAG; }
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id { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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bitrate { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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samplerate { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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song_length { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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track { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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disc { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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compilation { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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rating { yylval->str = strdup(yytext); return RSP_T_INTTAG; }
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includes { return RSP_T_INCLUDES; }
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= { return RSP_T_EQUAL; }
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or { return RSP_T_OR; }
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and { return RSP_T_AND; }
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not { return RSP_T_NOT; }
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{quoted} { yylval->str=strdup(yytext+1);
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if(yylval->str[strlen(yylval->str)-1] == '"')
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yylval->str[strlen(yylval->str)-1] = '\0';
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return RSP_T_STRING; }
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[0-9]+ { yylval->ival=atoi(yytext); return RSP_T_NUM; }
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. { return yytext[0]; }
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%%
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