1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef CFG_CONF_H
30 #define CFG_CONF_H
31
32 #include <stdio.h>
33 #include <stdlib.h>
34
35 #include <ucx/list.h>
36 #include <ucx/map.h>
37 #include <ucx/mempool.h>
38 #include <ucx/string.h>
39
40 #include "../util/object.h"
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 // mempool malloc macro
47 #define OBJ_NEW(p, type) (type*)(p)->malloc((p)->pool, sizeof(type))
48 #define OBJ_NEW_N(p, type) (type*)(p)->calloc((p)->pool, 1, sizeof(type))
49
50 // line types
51 #define LINE_OTHER 0
52 #define LINE_DIRECTIVE 1
53 #define LINE_BEGIN_TAG 2
54 #define LINE_END_TAG 3
55 #define LINE_MULTI 4
56 #define LINE_NOCONTENT 5 // only comment or space
57 #define LINE_ERROR 6 // parse error on this line
58
59 // tag types
60 #define TAG_OBJECT 0
61 #define TAG_IF 1
62 #define TAG_ELSEIF 2
63 #define TAG_ELSE 3
64 #define TAG_CLIENT 4
65
66
67 #define INIT_DIRECTIVE 16
68
69 typedef struct _cfg_line {
70 sstr_t line; // raw line string
71 void *object; // pointer to data struct
72 int type; // type, see line types
73 } ConfigLine;
74
75 typedef int (*cfg_parse_f)(void *, ConfigLine *, ConfigLine *, sstr_t);
76
77 typedef struct _cfg_param {
78 sstr_t name;
79 sstr_t value;
80 } ConfigParam;
81
82 typedef struct _cfg_parser {
83 UcxAllocator *mp;
84 UcxList *lines;
85 cfg_parse_f parse;
86 } ConfigParser;
87
88
89 typedef struct _conf_tag ConfigTag;
90 struct _conf_tag {
91 ConfigLine *begin;
92 ConfigLine *end;
93
94 sstr_t name;
95 UcxList *param;
96 sstr_t param_str;
97 ConfigTag *parent;
98 ConfigTag *iftag; // only used by <ElseIf> and <Else>
99 int type_num;
100 };
101
102 typedef struct _conf_directive {
103 ConfigLine *begin;
104 ConfigLine *end;
105
106 sstr_t directive_type;
107 sstr_t value;
108 //UcxList *param;
109 ConfigTag *condition;
110 int type_num;
111 } ConfigDirective;
112
113
114 int cfg_parse_basic_file(ConfigParser *parser, FILE *in);
115
116 sstr_t cfg_readln(FILE *file);
117
118 sstr_t cfg_trim_comment(sstr_t line);
119
120 sstr_t cfg_param(sstr_t params, sstr_t *name, sstr_t *value);
121
122 sstr_t cfg_param_get(UcxList *list, sstr_t name);
123
124 ConfigDirective* cfg_parse_directive(sstr_t line, UcxAllocator *mp);
125
126 UcxList* cfg_param_list(sstr_t param_str, UcxAllocator *mp);
127
128 int cfg_get_directive_type_num(sstr_t type);
129
130 int cfg_get_basic_type(sstr_t line);
131
132 int cfg_get_line_type(sstr_t line);
133
134 int cfg_get_tag_type(sstr_t tag);
135
136 sstr_t cfg_get_end_tag_name(sstr_t line);
137
138 ConfigTag* cfg_parse_begin_tag(sstr_t line, UcxAllocator *mp);
139
140 ConfigDirective* cfg_directivelist_get(UcxList *dirs, sstr_t name);
141
142 sstr_t cfg_directivelist_get_str(UcxList *dirs, sstr_t name);
143
144 sstr_t cfg_directive_pstr1(ConfigDirective *dir);
145
146 void cfg_map_destr(UcxMempool *mp, UcxMap *map);
147
148 #ifdef __cplusplus
149 }
150 #endif
151
152 #endif /* CFG_CONF_H */
153
154