Merge in util/libtest update
[awesomized/libmemcached] / libmemcached / csl / context.h
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Configure Scripting Language
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
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22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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36 */
37
38 #pragma once
39
40 #include <libmemcached/csl/common.h>
41 #include <libmemcached/csl/parser.h>
42
43 class Context
44 {
45 public:
46 Context(const char *option_string, size_t option_string_length, memcached_st *memc_arg,
47 memcached_return_t &rc_arg) :
48 previous_token(END),
49 scanner(NULL),
50 begin(NULL),
51 pos(0),
52 memc(NULL),
53 rc(rc_arg),
54 _is_server(false),
55 _end(false)
56 {
57 _hostname[0]= 0;
58 buf= option_string;
59 length= option_string_length;
60 memc= memc_arg;
61 init_scanner();
62 rc= MEMCACHED_SUCCESS;
63 }
64
65 bool end()
66 {
67 return _end;
68 }
69
70 void start();
71
72 void set_end()
73 {
74 rc= MEMCACHED_SUCCESS;
75 _end= true;
76 }
77
78 void set_server()
79 {
80 _is_server= true;
81 }
82
83 void unset_server()
84 {
85 _is_server= false;
86 }
87
88 bool is_server()
89 {
90 return _is_server;
91 }
92
93 const char *set_hostname(const char *str, size_t size);
94
95 const char *hostname()
96 {
97 return _hostname;
98 }
99
100 void abort(const char *, yytokentype, const char *);
101 void error(const char *, yytokentype, const char* );
102
103 ~Context()
104 {
105 destroy_scanner();
106 }
107
108 yytokentype previous_token;
109 void *scanner;
110 const char *buf;
111 const char *begin;
112 size_t pos;
113 size_t length;
114 memcached_st *memc;
115 memcached_return_t &rc;
116
117 protected:
118 void init_scanner();
119 void destroy_scanner();
120
121 private:
122 bool _is_server;
123 bool _end;
124 char _hostname[NI_MAXHOST];
125 };