%{ /* $Id$ * Simple playlist lexer * * Copyright (C) 2003 Ron Pedde (ron@pedde.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 */ #include #include #include #include "err.h" #include "playlist.h" #include "parser.h" extern int yydebug; %} %option yylineno %option case-insensitive qstring \"[^\"\n]*[\"\n] %% [\n\t ]+ \#.*\n artist { yylval.ival=ARTIST; return(ARTIST); } album { yylval.ival=ALBUM; return(ALBUM); } genre { yylval.ival=GENRE; return(GENRE); } year { yylval.ival=YEAR; return(YEAR); } is { yylval.ival=IS; return(IS); } includes { yylval.ival=INCLUDES; return(INCLUDES); } = { yylval.ival=EQUALS; return(EQUALS); } or | \|\| { yylval.ival=OR; return(OR); } and | && { yylval.ival=AND; return(AND); } not | ! { yylval.ival=1; return(NOT); } \<= { yylval.ival=LESSEQUAL; return(LESSEQUAL); } \< { yylval.ival=LESS; return(LESS); } \>= { yylval.ival=GREATEREQUAL; return(GREATEREQUAL); } \> { yylval.ival=GREATER; return(GREATER); } {qstring} { yylval.cval=strdup(yytext+1); if(yylval.cval[strlen(yylval.cval)-1] == '"'); yylval.cval[strlen(yylval.cval)-1] = '\0'; return(ID); } [0-9]+ { yylval.ival=atoi(yytext); return(NUM); } . { return yytext[0]; } %% int yywrap(void) { return 1; } void yyerror(char *msg) { pl_error=1; log_err(0,"Line %d: %s\n",yylineno, msg); }