Duckstation/dep/libcue/src/cue_scanner.l

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%{
/*
* Copyright (c) 2004, 2005, 2006, 2007, Svend Sorensen
* Copyright (c) 2009, 2010 Jochen Keil
* For license terms, see the file COPYING in this distribution.
*/
#include <stdlib.h>
#include <string.h>
#include "cd.h"
#include "cue_parser.h"
char cueparser_buffer[PARSER_BUFFER];
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int cueparserlex(void);
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%}
ws [ \t\r]
nonws [^ \t\r\n]
%option yylineno
%option noyywrap
%option noinput
%option nounput
%option prefix="cueparser"
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%s NAME
%x REM
%x RPG
%x SKIP
%%
\'([^\']|\\\')*\' |
\"([^\"]|\\\")*\" {
cueparserlval.sval = strncpy( cueparser_buffer,
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++yytext,
(yyleng > sizeof(cueparser_buffer) ? sizeof(cueparser_buffer) : yyleng));
cueparserlval.sval[(yyleng > sizeof(cueparser_buffer) ? sizeof(cueparser_buffer) : yyleng) - 2] = '\0';
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BEGIN(INITIAL);
return STRING;
}
<NAME>{nonws}+ {
cueparserlval.sval = strncpy( cueparser_buffer,
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yytext,
(yyleng > sizeof(cueparser_buffer) ? sizeof(cueparser_buffer) : yyleng));
cueparserlval.sval[(yyleng > sizeof(cueparser_buffer) ? sizeof(cueparser_buffer) : yyleng)] = '\0';
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BEGIN(INITIAL);
return STRING;
}
CATALOG { BEGIN(NAME); return CATALOG; }
CDTEXTFILE { BEGIN(NAME); return CDTEXTFILE; }
FILE { BEGIN(NAME); return FFILE; }
BINARY { return BINARY; }
MOTOROLA { return MOTOROLA; }
AIFF { return AIFF; }
WAVE { return WAVE; }
MP3 { return MP3; }
FLAC { return FLAC; }
TRACK { return TRACK; }
AUDIO { cueparserlval.ival = MODE_AUDIO; return AUDIO; }
MODE1\/2048 { cueparserlval.ival = MODE_MODE1; return MODE1_2048; }
MODE1\/2352 { cueparserlval.ival = MODE_MODE1_RAW; return MODE1_2352; }
MODE2\/2336 { cueparserlval.ival = MODE_MODE2; return MODE2_2336; }
MODE2\/2048 { cueparserlval.ival = MODE_MODE2_FORM1; return MODE2_2048; }
MODE2\/2342 { cueparserlval.ival = MODE_MODE2_FORM2; return MODE2_2342; }
MODE2\/2332 { cueparserlval.ival = MODE_MODE2_FORM_MIX; return MODE2_2332; }
MODE2\/2352 { cueparserlval.ival = MODE_MODE2_RAW; return MODE2_2352; }
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FLAGS { return FLAGS; }
PRE { cueparserlval.ival = FLAG_PRE_EMPHASIS; return PRE; }
DCP { cueparserlval.ival = FLAG_COPY_PERMITTED; return DCP; }
4CH { cueparserlval.ival = FLAG_FOUR_CHANNEL; return FOUR_CH; }
SCMS { cueparserlval.ival = FLAG_SCMS; return SCMS; }
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PREGAP { return PREGAP; }
INDEX { return INDEX; }
POSTGAP { return POSTGAP; }
TITLE { BEGIN(NAME); cueparserlval.ival = PTI_TITLE; return TITLE; }
PERFORMER { BEGIN(NAME); cueparserlval.ival = PTI_PERFORMER; return PERFORMER; }
SONGWRITER { BEGIN(NAME); cueparserlval.ival = PTI_SONGWRITER; return SONGWRITER; }
COMPOSER { BEGIN(NAME); cueparserlval.ival = PTI_COMPOSER; return COMPOSER; }
ARRANGER { BEGIN(NAME); cueparserlval.ival = PTI_ARRANGER; return ARRANGER; }
MESSAGE { BEGIN(NAME); cueparserlval.ival = PTI_MESSAGE; return MESSAGE; }
DISC_ID { BEGIN(NAME); cueparserlval.ival = PTI_DISC_ID; return DISC_ID; }
GENRE { BEGIN(NAME); cueparserlval.ival = PTI_GENRE; return GENRE; }
TOC_INFO1 { BEGIN(NAME); cueparserlval.ival = PTI_TOC_INFO1; return TOC_INFO1; }
TOC_INFO2 { BEGIN(NAME); cueparserlval.ival = PTI_TOC_INFO2; return TOC_INFO2; }
UPC_EAN { BEGIN(NAME); cueparserlval.ival = PTI_UPC_ISRC; return UPC_EAN; }
ISRC/{ws}+\" { BEGIN(NAME); cueparserlval.ival = PTI_UPC_ISRC; return ISRC; }
SIZE_INFO { BEGIN(NAME); cueparserlval.ival = PTI_SIZE_INFO; return SIZE_INFO; }
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ISRC { BEGIN(NAME); return TRACK_ISRC; }
REM { BEGIN(REM); /* exclusive rules for special exceptions */ }
<REM>DATE { BEGIN(NAME); cueparserlval.ival = REM_DATE; return DATE; }
<REM>GENRE { BEGIN(NAME); cueparserlval.ival = PTI_GENRE; return XXX_GENRE; }
<REM>REPLAYGAIN_ALBUM_GAIN { BEGIN(RPG); cueparserlval.ival = REM_REPLAYGAIN_ALBUM_GAIN;
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return REPLAYGAIN_ALBUM_GAIN; }
<REM>REPLAYGAIN_ALBUM_PEAK { BEGIN(RPG); cueparserlval.ival = REM_REPLAYGAIN_ALBUM_PEAK;
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return REPLAYGAIN_ALBUM_PEAK; }
<REM>REPLAYGAIN_TRACK_GAIN { BEGIN(RPG); cueparserlval.ival = REM_REPLAYGAIN_TRACK_GAIN;
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return REPLAYGAIN_TRACK_GAIN; }
<REM>REPLAYGAIN_TRACK_PEAK { BEGIN(RPG); cueparserlval.ival = REM_REPLAYGAIN_TRACK_PEAK;
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return REPLAYGAIN_TRACK_PEAK; }
<REM>{ws}+ { BEGIN(REM); }
<REM>. { BEGIN(REM); }
<REM>\n { BEGIN(INITIAL); }
<RPG>{nonws}+ {
cueparserlval.sval = strncpy( cueparser_buffer,
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yytext,
(yyleng > sizeof(cueparser_buffer) ? sizeof(cueparser_buffer) : yyleng));
cueparserlval.sval[(yyleng > sizeof(cueparser_buffer) ? sizeof(cueparser_buffer) : yyleng)] = '\0';
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BEGIN(SKIP);
return STRING;
}
<RPG>{ws}+ { BEGIN(RPG); }
<SKIP>.*\n { BEGIN(INITIAL); yylineno++; return '\n'; }
{ws}+ { /* ignore whitespace */ }
[[:digit:]]+ { cueparserlval.ival = atoi(yytext); return NUMBER; }
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: { return yytext[0]; }
^{ws}*\n { yylineno++; /* blank line */ }
\n { yylineno++; return '\n'; }
. { fprintf(stderr, "bad character '%c'\n", yytext[0]); }
%%