/[svn]/linuxsampler/trunk/src/network/lscpparser.h
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Contents of /linuxsampler/trunk/src/network/lscpparser.h

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Revision 2531 - (show annotations) (download) (as text)
Wed Mar 5 00:02:21 2014 UTC (5 years, 11 months ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 5057 byte(s)
* LSCP shell: Added support for moving cursor left/right with arrow keys.
* Bumped version (1.0.0.svn35).

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005 - 2014 Christian Schoenebeck *
7 * *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 #ifndef __LSCPPARSER_H__
25 #define __LSCPPARSER_H__
26
27 #include <sys/types.h>
28 #if defined(WIN32)
29 #include <windows.h>
30 #else
31 #include <sys/socket.h>
32 #endif
33
34 #include <stdlib.h>
35 #include <iostream>
36 #include <sstream>
37 #include <string>
38 #include <stdint.h>
39 #include <set>
40
41 #include "../common/global_private.h"
42 #include "../common/Path.h"
43 #include "lscpevent.h"
44 #include "../Sampler.h"
45 #include "../drivers/midi/MidiInstrumentMapper.h"
46
47 namespace LinuxSampler {
48
49 /// Will be returned by the parser in case of syntax errors.
50 #define LSCP_SYNTAX_ERROR -69
51 #define LSCP_QUIT -1
52 #define LSCP_DONE 0
53
54 // just symbol prototyping
55 class LSCPServer;
56
57 /**
58 * How the fill states of disk stream buffers should be reflected.
59 */
60 enum fill_response_t {
61 fill_response_bytes, ///< The returned values are meant in bytes.
62 fill_response_percentage ///< The returned values are meant in percentage.
63 };
64
65 /**
66 * Semantic value of the lookahead symbol.
67 *
68 * Structure that is used by the parser to process and return values from the
69 * input text. The lexical analyzer for example returns a number for
70 * recognized number strings in the input text and the parser might return a
71 * value for each of it's rules.
72 */
73 struct _YYSTYPE {
74 union {
75 char Char;
76 unsigned int Number;
77 bool Bool;
78 double Dotnum;
79 fill_response_t FillResponse;
80 LSCPEvent::event_t Event;
81 MidiInstrumentMapper::mode_t LoadMode;
82 };
83 std::string String;
84 std::map<std::string,std::string> KeyValList;
85 Path UniversalPath;
86 };
87 #define YYSTYPE _YYSTYPE
88 #define yystype YYSTYPE ///< For backward compatibility.
89 #define YYSTYPE_IS_DECLARED ///< We tell the lexer / parser that we use our own data structure as defined above.
90 #define YYTYPE_INT16 int16_t
91 #define YYDEBUG 1
92
93 /**
94 * Parameters given to the parser on every yyparse() call.
95 */
96 struct yyparse_param_t {
97 LSCPServer* pServer;
98 int hSession;
99 bool bVerbose; ///< if true then all commands will immediately sent back (echo)
100 bool bShellInteract; ///< if true: then client is the LSCP shell
101 bool bShellAutoCorrect; ///< if true: try to automatically correct obvious syntax mistakes
102 int iLine; ///< Current line (just for verbosity / messages)
103 int iColumn; ///< End of current line (just for verbosity / messages)
104 int iCursorOffset; ///< Column of cursor position in current line (reflected as offset to iColumn, range -n .. 0)
105 YYTYPE_INT16** ppStackBottom; ///< Bottom end of the Bison parser's state stack.
106 YYTYPE_INT16** ppStackTop; ///< Current position (heap) of the Bison parser's state stack.
107
108 yyparse_param_t() {
109 pServer = NULL;
110 hSession = -1;
111 bVerbose = false;
112 bShellInteract = bShellAutoCorrect = false;
113 iCursorOffset = iLine = iColumn = 0;
114 ppStackBottom = ppStackTop = NULL;
115 }
116
117 void onNextLine() {
118 iLine++;
119 iColumn = 0;
120 iCursorOffset = 0;
121 }
122 };
123 #define YYPARSE_PARAM yyparse_param
124
125 /**
126 * Prototype of the main scanner function (lexical analyzer).
127 */
128 #define YY_DECL int yylex(YYSTYPE* yylval)
129
130 }
131
132 #endif // __LSCPPARSER_H__

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