Annotation of libaitcfg/inc/aitcfg.h, revision 1.20.2.1
1.2 misho 1: /*************************************************************************
2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.20.2.1! misho 6: * $Id: aitcfg.h,v 1.20 2025/01/31 00:03:15 misho Exp $
1.2 misho 7: *
1.6 misho 8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.20.2.1! misho 15: Copyright 2004 - 2025
1.6 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
1.1 misho 46: #ifndef __AITCFG_H
47: #define __AITCFG_H
48:
49:
1.7 misho 50: #include <pthread.h>
1.11 misho 51: #include <elwix.h>
1.1 misho 52:
53:
1.7 misho 54: struct tagCfg {
55: ait_val_t cfg_sec;
56: ait_val_t cfg_attr;
57: ait_val_t cfg_val;
1.19 misho 58: int cfg_quoted;
1.1 misho 59:
1.13 misho 60: TAILQ_ENTRY(tagCfg) cfg_next;
1.7 misho 61: RB_ENTRY(tagCfg) cfg_node;
62: };
63: typedef struct tagRC {
64: pthread_mutex_t rc_mtx;
1.4 misho 65:
1.13 misho 66: struct tagCfg *tqh_first;
67: struct tagCfg **tqh_last;
1.7 misho 68: struct tagCfg *rbh_root;
69: } cfg_root_t;
70: #define CFG_RC_LOCK(x) pthread_mutex_lock(&(x)->rc_mtx)
71: #define CFG_RC_UNLOCK(x) pthread_mutex_unlock(&(x)->rc_mtx)
1.1 misho 72:
1.15 misho 73: #define CFG_SECTION(x) (assert((x)), AIT_GET_LIKE(&((struct tagCfg*) (x))->cfg_sec, const char*))
74: #define CFG_ATTRIBUTE(x) (assert((x)), AIT_GET_LIKE(&((struct tagCfg*) (x))->cfg_attr, const char*))
75: #define CFG_VALUE(x) (assert((x)), AIT_GET_LIKE(&((struct tagCfg*) (x))->cfg_val, const char*))
76:
1.20 misho 77: #ifdef __cplusplus
78: extern "C" {
79: #endif
1.1 misho 80:
81: // cfg_GetErrno() Get error code of last operation
1.11 misho 82: int cfg_GetErrno();
1.1 misho 83: // cfg_GetError() Get error text of last operation
1.11 misho 84: const char *cfg_GetError();
1.1 misho 85:
86:
87: /*
1.7 misho 88: * Macros for config library.
89: */
90: #define CFG_ISEMPTY(x) RB_EMPTY((x))
1.1 misho 91:
1.3 misho 92:
93: /*
1.7 misho 94: * cfgInitConfig() - Init config root
95: *
1.14 misho 96: * return: NULL error or !=NULL allocated config root
97: */
98: cfg_root_t *cfgInitConfig();
99: /*
100: * cfgEndConfig() - Free resources & config root
101: *
102: * @pcfg = Config root
103: * return: none
1.7 misho 104: */
1.14 misho 105: void cfgEndConfig(cfg_root_t **pcfg);
1.7 misho 106: /*
1.20.2.1! misho 107: * cfgInitConfigExt() - Init existed config root
! 108: *
! 109: * @cfg = Config root
! 110: * return: NULL error or !=NULL inited config root
! 111: */
! 112: cfg_root_t *cfgInitConfigExt(cfg_root_t * __restrict cfg);
! 113: /*
1.7 misho 114: * cfgLoadConfig() - Load config from file
115: *
116: * @cfgName = Config filename
117: * @cfg = Config root
118: * return: -1 error or 0 ok
119: */
120: int cfgLoadConfig(const char *cfgName, cfg_root_t * __restrict cfg);
121: /*
1.8 misho 122: * cfgUnloadConfig() - Unload config from memory and destroy resources
1.7 misho 123: *
124: * @cfg = Config root
125: * return: none
126: */
127: void cfgUnloadConfig(cfg_root_t * __restrict cfg);
1.3 misho 128: /*
1.8 misho 129: * cfgClearConfig() - Clear config and free resources
130: *
131: * @cfg = Config root
132: * return: none
133: */
134: void cfgClearConfig(cfg_root_t * __restrict cfg);
135: /*
1.7 misho 136: * cfgCreateConfig() - Create config file from memory
137: *
138: * @csConfigName = New config filename
139: * @cfg = Config root
140: * @whitespace = Additional whitespace characters to file
141: * return: -1 error or 0 ok
142: */
143: int cfgCreateConfig(const char *csConfigName, cfg_root_t * __restrict cfg,
144: int whitespace);
145:
146: /*
1.9 misho 147: * cfgReadLines() - Read custom lines and add new item at config root
148: *
149: * @f = File resource
150: * @delim = Custom delimiter, if =NULL default is '='
151: * @end = Custom user end of file, if =NULL default is EOF
152: * @cfg = Config root
153: * return: -1 error or 0 ok
154: */
155: int cfgReadLines(FILE *f, const char *delim, const char *end,
156: cfg_root_t * __restrict cfg);
157: /*
1.10 misho 158: * cfgWriteLines() - Write custom lines and export data to variable
159: *
160: * @f = File resource
161: * @delim = Custom delimiter, if =NULL default is '='
162: * @eol = End of line string, if =NULL default is "\n"
163: * @section = Export only section, if =NULL default is all
164: * @cfg = Config root
1.11 misho 165: * return: =NULL error or !=NULL exported data, must be free after use with ait_freeVar()
1.10 misho 166: */
167: ait_val_t *cfgWriteLines(FILE *f, const char *delim, const char *eol,
168: const char *section, cfg_root_t * __restrict cfg);
169: /*
1.7 misho 170: * cfgReadConfig() - Read file and add new item at config root
171: *
172: * @f = File resource
173: * @cfg = Config root
174: * return: -1 error or 0 ok
175: */
176: int cfgReadConfig(FILE *f, cfg_root_t * __restrict cfg);
177: /*
178: * cfgWriteConfig() - Write config from memory
179: *
180: * @f = File handle
181: * @cfg = Config root
182: * @whitespace = Additional whitespace characters to file
183: * return: -1 error or 0 ok
184: */
185: int cfgWriteConfig(FILE *f, cfg_root_t * __restrict cfg, int whitespace);
186: /*
1.18 misho 187: * cfgWriteConfigRaw() - Write config from memory by list
188: *
189: * @f = File handle
190: * @cfg = Config root
191: * @whitespace = Additional whitespace characters to file
192: * return: -1 error or 0 ok
193: */
194: int cfgWriteConfigRaw(FILE *f, cfg_root_t * __restrict cfg, int whitespace);
195: /*
1.7 misho 196: * cfgConcatConfig() - Concat two configs into one
197: *
198: * @cfg = Config root
199: * @add_cfg = Concated config will be destroy after merge
200: * return: -1 error or 0 ok
201: */
202: int cfgConcatConfig(cfg_root_t * __restrict cfg, cfg_root_t * __restrict add_cfg);
203: /*
204: * cfgMergeConfig() - Marge two list in one cfg and destroy add_cfg
205: *
206: * @cfg = Config root of main list
207: * @add_cfg = Merged config will be destroy after merge
208: * return: -1 error or 0 ok
209: */
210: int cfgMergeConfig(cfg_root_t * __restrict cfg, cfg_root_t * __restrict add_cfg);
211:
1.17 misho 212: /*
213: * cfg_dumpCfg() - dump config data
214: *
215: * @cfg = Config root
216: * return: none
217: */
218: void cfg_dumpCfg(cfg_root_t * __restrict cfg);
1.7 misho 219: /*
1.15 misho 220: * cfg_getSection() - Get entire section attributes into array
221: *
222: * @cfg = Config root
223: * @csSec = Config section //[{csSec}]
224: * return: NULL not found or !=NULL allocated array, must free with array_Destroy() after use!
225: */
226: array_t *cfg_getSection(cfg_root_t * __restrict cfg, const char *csSec);
227: /*
1.7 misho 228: * cfg_findAttribute() - Find attribute position in config file
229: *
230: * @cfg = Config root
1.1 misho 231: * @csSec = Config section //[{csSec}]
1.18 misho 232: * @csAttr = Config attribute //{csAttr} = ...
1.7 misho 233: * return: 0 not found item, -1 error or >0 position in list
234: */
1.11 misho 235: int cfg_findAttribute(cfg_root_t * __restrict cfg,
1.7 misho 236: const char *csSec, const char *csAttr);
237: /*
238: * cfg_getAttribute() - Get item from config and return value from it
239: *
240: * @cfg = Config root
241: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 242: * @csAttr = Config attribute //{csAttr} = ...
1.7 misho 243: * return: NULL item not found or null parameters, !=NULL value const string
244: */
1.11 misho 245: const char *cfg_getAttribute(cfg_root_t * __restrict cfg,
1.7 misho 246: const char *csSec, const char *csAttr);
247: /*
1.16 misho 248: * cfg_getAttributeLong() - Get item as long from config and return value from it
249: *
250: * @cfg = Config root
251: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 252: * @csAttr = Config attribute //{csAttr} = ...
1.16 misho 253: * return: value
254: */
255: long cfg_getAttributeLong(cfg_root_t * __restrict cfg,
256: const char *csSec, const char *csAttr);
257: /*
258: * cfg_getAttributeLLong() - Get item as long long from config and return value from it
259: *
260: * @cfg = Config root
261: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 262: * @csAttr = Config attribute //{csAttr} = ...
1.16 misho 263: * return: value
264: */
265: long long
266: cfg_getAttributeLLong(cfg_root_t * __restrict cfg,
267: const char *csSec, const char *csAttr);
268: /*
269: * cfg_getAttributeDouble() - Get item as double from config and return value from it
270: *
271: * @cfg = Config root
272: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 273: * @csAttr = Config attribute //{csAttr} = ...
1.16 misho 274: * return: value
275: */
276: double cfg_getAttributeDouble(cfg_root_t * __restrict cfg,
277: const char *csSec, const char *csAttr);
278: /*
279: * cfg_getAttributeLDouble() - Get item as long double from config and return value from it
280: *
281: * @cfg = Config root
282: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 283: * @csAttr = Config attribute //{csAttr} = ...
1.16 misho 284: * return: value
285: */
286: long double cfg_getAttributeLDouble(cfg_root_t * __restrict cfg,
287: const char *csSec, const char *csAttr);
288: /*
1.7 misho 289: * cfg_setAttribute() - Set item in config or adding new item if not exists
290: *
291: * @cfg = Config root
1.1 misho 292: * @csSec = Config section //[{csSec}], if NULL set in *default* section
1.7 misho 293: * @csAttr = Config attribute //{csAttr} = ...
1.1 misho 294: * @csVal = Config value //... = {csVal} to setup
1.7 misho 295: * return: 0 nothing changed, -1 error, 1 found and updated item or 2 added new item
296: */
297: int cfg_setAttribute(cfg_root_t * __restrict cfg, const char *csSec,
298: const char *csAttr, const char *csVal);
299: /*
300: * cfg_unsetAttribute() - Unset item from config and free resources
301: *
302: * @cfg = Config root
1.1 misho 303: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 304: * @csAttr = Config attribute //{csAttr} = ...
1.7 misho 305: * return: 0 item not found, -1 error or 1 removed item
306: */
307: int cfg_unsetAttribute(cfg_root_t * __restrict cfg, const char *csSec,
308: const char *csAttr);
1.1 misho 309:
310: /*
1.7 misho 311: * cfg_loadAttribute() - Get guarded attribute, if not found item return *default value*
312: *
313: * @cfg = Config root
1.1 misho 314: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.18 misho 315: * @csAttr = Config attribute //{csAttr} = ...
1.7 misho 316: * @val = Return buffer for item Value //... = {val}
317: * @csDefValue = *Default Value* for return in //{val}, if not found item in config
318: * return: 0 item not found, -1 error or >0 number of copied bytes in //{val}
319: */
320: int cfg_loadAttribute(cfg_root_t * __restrict cfg, const char *csSec,
321: const char *csAttr, ait_val_t * __restrict val, const char *csDefValue);
1.1 misho 322:
1.20 misho 323: #ifdef __cplusplus
324: }
325: #endif
1.1 misho 326:
327: #endif
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