/[svn]/linuxsampler/trunk/src/network/lscp.l
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Annotation of /linuxsampler/trunk/src/network/lscp.l

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Revision 143 - (hide annotations) (download)
Wed Jun 23 18:54:08 2004 UTC (19 years, 10 months ago) by capela
File size: 5817 byte(s) 
* SET CHANNEL AUDIO_OUTPUT_TYPE <chan> <driver> command is back!
  creates an audio output device instance of the given driver type
  ('Jack' or 'Alsa') with default parameters if none exists,
  otherwise it just picks the first available device and assign
  it to the intended sampler channel.

* The AudioOutputDevice class get's a new pure virtual method,
  Driver(), which is implemented on both of the existing inherited
  classes, AudioOutputDeviceAlsa and AudioOutputDeviceJack, with
  the sole purpose to return the driver type name as a String
  ('Alsa' and 'Jack', respectively).

* The quoting on the filename argument for the LOAD INSTRUMENT
  command has been made optional; you can have both ways, with
  single quotes or none, keeping compability with older LSCP
  specification.

* An additional sanity check is made on LOAD INSTRUMENT, whether
  the sampler channel has an audio output device assigned, thus
  preventing the server from crashing on instrument file load.

* The GET AUDIO_OUTPUT_DEVICE INFO now includes the missing
  'driver' item, as predicted by the draft protocol document.
1 schoenebeck 35 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5 schoenebeck 56 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 schoenebeck 35 * *
7     * This program is free software; you can redistribute it and/or modify *
8     * it under the terms of the GNU General Public License as published by *
9     * the Free Software Foundation; either version 2 of the License, or *
10     * (at your option) any later version. *
11     * *
12     * This program is distributed in the hope that it will be useful, *
13     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15     * GNU General Public License for more details. *
16     * *
17     * You should have received a copy of the GNU General Public License *
18     * along with this program; if not, write to the Free Software *
19     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20     * MA 02111-1307 USA *
21     ***************************************************************************/
22    
23     %{
24    
25     #include "lscpparser.h"
26     #include "lscpsymbols.h"
27    
28     /// handle for a client connection (FIXME: doesn't work for more than one network connections of course)
29     int hSession;
30    
31     %}
32    
33     %option reentrant
34    
35 senkov 135 %x INSTRING
36    
37 schoenebeck 35 DIGIT [0-9]
38    
39     %%
40    
41     " " { return SP; }
42     \n { return LF; }
43     \r { return CR; }
44 schoenebeck 111 "#" { return HASH; }
45 schoenebeck 123 "=" { return EQ; }
46 schoenebeck 35 ("+"|"-")?{DIGIT}+"."{DIGIT}+ { yylval->Dotnum = atof(yytext); return DOTNUM; }
47     ADD { return ADD; }
48     GET { return GET; }
49 schoenebeck 123 CREATE { return CREATE; }
50     DESTROY { return DESTROY; }
51     LIST { return LIST; }
52 schoenebeck 35 LOAD { return LOAD; }
53 senkov 141 NON_MODAL { return NON_MODAL; }
54 schoenebeck 35 REMOVE { return REMOVE; }
55     SET { return SET; }
56     SUBSCRIBE { return SUBSCRIBE; }
57     UNSUBSCRIBE { return UNSUBSCRIBE; }
58     CHANNEL { return CHANNEL; }
59     NOTIFICATION { return NOTIFICATION; }
60     AVAILABLE_ENGINES { return AVAILABLE_ENGINES; }
61 schoenebeck 123 AVAILABLE_AUDIO_OUTPUT_DRIVERS { return AVAILABLE_AUDIO_OUTPUT_DRIVERS; }
62 schoenebeck 35 CHANNELS { return CHANNELS; }
63     INFO { return INFO; }
64     BUFFER_FILL { return BUFFER_FILL; }
65     STREAM_COUNT { return STREAM_COUNT; }
66     VOICE_COUNT { return VOICE_COUNT; }
67     INSTRUMENT { return INSTRUMENT; }
68     ENGINE { return ENGINE; }
69 schoenebeck 123 AUDIO_OUTPUT_DEVICE { return AUDIO_OUTPUT_DEVICE; }
70     AUDIO_OUTPUT_DEVICES { return AUDIO_OUTPUT_DEVICES; }
71     AUDIO_OUTPUT_DEVICE_PARAMETER { return AUDIO_OUTPUT_DEVICE_PARAMETER; }
72     AUDIO_OUTPUT_DRIVER { return AUDIO_OUTPUT_DRIVER; }
73     AUDIO_OUTPUT_DRIVER_PARAMETER { return AUDIO_OUTPUT_DRIVER_PARAMETER; }
74 schoenebeck 35 AUDIO_OUTPUT_CHANNEL { return AUDIO_OUTPUT_CHANNEL; }
75 schoenebeck 123 AUDIO_OUTPUT_CHANNEL_PARAMETER { return AUDIO_OUTPUT_CHANNEL_PARAMETER; }
76 capela 143 AUDIO_OUTPUT_TYPE { return AUDIO_OUTPUT_TYPE; }
77 schoenebeck 35 MIDI_INPUT_PORT { return MIDI_INPUT_PORT; }
78     MIDI_INPUT_CHANNEL { return MIDI_INPUT_CHANNEL; }
79     MIDI_INPUT_TYPE { return MIDI_INPUT_TYPE; }
80     VOLUME { return VOLUME; }
81     BYTES { return BYTES; }
82     PERCENTAGE { return PERCENTAGE; }
83     RESET { return RESET; }
84 senkov 135 MISCELLANEOUS { return MISCELLANEOUS; }
85 schoenebeck 35 QUIT { return QUIT; }
86     0|([1-9]{DIGIT}*) { yylval->Number = atoi(yytext); return NUMBER; }
87 senkov 135 "\'" { yylval->String = ""; BEGIN(INSTRING); }
88     <INSTRING>[^\'\\]+ { yylval->String += yytext; }
89     <INSTRING>"\\n" { yylval->String += '\n'; }
90     <INSTRING>"\\r" { yylval->String += '\r'; }
91     <INSTRING>"\\t" { yylval->String += '\t'; }
92     <INSTRING>"\\\\" { yylval->String += '\\'; }
93     <INSTRING>"\\\"" { yylval->String += '\"'; }
94     <INSTRING>"\\\'" { yylval->String += '\''; }
95     <INSTRING>"\\"[^nrt\"\\] { yylval->String += yytext; }
96     <INSTRING>"\'" { BEGIN(INITIAL); return STRINGVAL; }
97 schoenebeck 35 . { yylval->Char = yytext[0]; return CHAR; }
98    
99     %%
100    
101     /**
102     * We provide our own version of yywrap() so we don't have to link against
103     * the lex library.
104     */
105     int yywrap(yyscan_t yyscanner) {
106     return 1; // continue scanning
107     }
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