mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-14 05:15:43 +01:00
163 lines
4 KiB
Text
163 lines
4 KiB
Text
/*
|
|
* Advanced Linux Sound Architecture Control Program
|
|
* Copyright (c) 1998 by Perex, APS, University of South Bohemia
|
|
*
|
|
*
|
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
%{
|
|
|
|
#include "alsactl.h"
|
|
|
|
struct bytearray {
|
|
unsigned char *data;
|
|
size_t datalen;
|
|
};
|
|
|
|
#include "alsactl_parser.h"
|
|
|
|
#define YY_NO_UNPUT
|
|
#undef YY_CDECL
|
|
#define YY_CDECL int YY_PROTO(yylex( void ));
|
|
|
|
int linecount;
|
|
|
|
%}
|
|
|
|
%%
|
|
|
|
/* special characters */
|
|
|
|
"{"|"}" return yytext[0];
|
|
"("|")" return yytext[0];
|
|
"["|"]" return yytext[0];
|
|
")"[ \t]*"{" return L_DOUBLE1;
|
|
"," return yytext[0];
|
|
"=" return yytext[0];
|
|
|
|
/* tokens */
|
|
|
|
soundcard return L_SOUNDCARD;
|
|
control return L_CONTROL;
|
|
mixer return L_MIXER;
|
|
element return L_ELEMENT;
|
|
switch return L_SWITCH;
|
|
rawdata return L_RAWDATA;
|
|
pcm return L_PCM;
|
|
rawmidi return L_RAWMIDI;
|
|
playback return L_PLAYBACK;
|
|
capture return L_CAPTURE;
|
|
output return L_OUTPUT;
|
|
input return L_INPUT;
|
|
iec958ocs return L_IEC958OCS;
|
|
3d return L_3D;
|
|
reset return L_RESET;
|
|
user return L_USER;
|
|
valid return L_VALID;
|
|
data return L_DATA;
|
|
protect return L_PROTECT;
|
|
pre2 return L_PRE2;
|
|
fsunlock return L_FSUNLOCK;
|
|
type return L_TYPE;
|
|
gstatus return L_GSTATUS;
|
|
enable return L_ENABLE;
|
|
disable return L_DISABLE;
|
|
sw return L_SW;
|
|
mono_sw return L_MONO_SW;
|
|
wide return L_WIDE;
|
|
volume return L_VOLUME;
|
|
center return L_CENTER;
|
|
space return L_SPACE;
|
|
depth return L_DEPTH;
|
|
delay return L_DELAY;
|
|
feedback return L_FEEDBACK;
|
|
depth_rear return L_DEPTH_REAR;
|
|
bass return L_BASS;
|
|
treble return L_TREBLE;
|
|
|
|
/* element types */
|
|
|
|
Switch1 return L_SWITCH1;
|
|
Switch2 return L_SWITCH2;
|
|
Switch3 return L_SWITCH3;
|
|
Volume1 return L_VOLUME1;
|
|
Accu3 return L_ACCU3;
|
|
Mux1 return L_MUX1;
|
|
Mux2 return L_MUX2;
|
|
ToneControl1 return L_TONE_CONTROL1;
|
|
_3D_Effect1 return L_3D_EFFECT1;
|
|
|
|
/* boolean */
|
|
|
|
false|off|no return L_FALSE;
|
|
true|on|yes return L_TRUE;
|
|
|
|
/* integers */
|
|
|
|
[0-9]+ { yylval.i_value = atoi(yytext); return L_INTEGER; }
|
|
0x[0-9a-f]+ { char *end;
|
|
yylval.i_value = strtol(yytext, &end, 0);
|
|
return L_INTEGER; }
|
|
|
|
/* byte array */
|
|
|
|
"@"([0-9a-f]{2}:){0,31}([0-9a-f]{2})"@" {
|
|
char *p = yytext + 1, x[3];
|
|
unsigned char *d;
|
|
int val;
|
|
yylval.a_value.data = d = (unsigned char *)malloc( 32 );
|
|
yylval.a_value.datalen = 0;
|
|
while (*p) {
|
|
strncpy(x, p, 2); x[2] = '\0';
|
|
sscanf(x, "%02x", &val);
|
|
*d++ = val;
|
|
++yylval.a_value.datalen;
|
|
p += 2;
|
|
if (*p == '@')
|
|
break;
|
|
p++;
|
|
}
|
|
return L_BYTEARRAY; }
|
|
|
|
/* strings */
|
|
|
|
\"[^\"]*\" { yytext[strlen(yytext) - 1] = 0;
|
|
yylval.s_value = strdup(&yytext[1]);
|
|
return L_STRING; }
|
|
\'[^\']*\' { yytext[strlen(yytext) - 1] = 0;
|
|
yylval.s_value = strdup(&yytext[1]);
|
|
return L_STRING; }
|
|
[a-z0-9/\~@-Za-z_]+ { yylval.s_value = strdup(yytext);
|
|
return L_STRING; }
|
|
$[a-z0-9/\~@-Za-z_]+ { yylval.s_value = strdup(getenv(&yytext[1]));
|
|
return L_STRING; }
|
|
|
|
/* comments & whitespaces */
|
|
|
|
[#\;][^\n]*\n { linecount++; }
|
|
[ \t]+ ;
|
|
\n { linecount++; }
|
|
. fprintf( stderr, "alsactl: discarding char '%c' - line %i\n", yytext[0], linecount + 1 );
|
|
|
|
%%
|
|
|
|
#ifndef yywrap
|
|
int yywrap(void) /* do this avoid to do -lfl */
|
|
{
|
|
return 1;
|
|
}
|
|
#endif
|