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nginx / nginx / 8809257531cc21aab3a25bb487e9424175cdfddd / . / src / core / ngx_config_file.c
blob: b2b4b810419c4b8186f389fad5953030374b9954 [file] [log] [blame]
Igor Sysoev88092572002-12-19 07:08:55 +0000[diff] [blame^]1
2#include <ngx_config.h>
3
4#include <ngx_core.h>
5
6#include <ngx_config_file.h>
7
8
9static int argument_number[] = {
10 NGX_CONF_NOARGS,
11 NGX_CONF_TAKE1,
12 NGX_CONF_TAKE2
13};
14
15#if 0
16
17int ngx_conf_parse(ngx_conf_t *cf, char *filename)
18{
19 int rc;
20 char *error;
21 ngx_fd_t fd;
22 ngx_conf_file_t *prev;
23
24 if (filename) {
25
26 fd = ngx_open_file(filename, NGX_FILE_RDONLY);
27 if (fd == NGX_INVALID_FILE) {
28 ngx_log_error(NGX_LOG_EMERG, cf->log, ngx_errno,
29 "ngx_conf_open: "
30 ngx_open_file_n " %s failed", filename);
31 return NGX_ERROR;
32 }
33
34 prev = cf->file;
35 ngx_test_null(cf->file, ngx_palloc(cf->pool, sizeof(ngx_conf_file_t)),
36 NGX_ERROR);
37
38 cf->file->fd = fd;
39 cf->file->name = filename;
40 cf->file->line = 1;
41 cf->file->pos = 0;
42 }
43
44 for ( ;; ) {
45 rc = ngx_conf_read_token(cf);
46
47 /* ??? NGX_OK, NGX_ERROR, NGX_CONF_FILE_DONE, NGX_CONF_BLOCK_DONE */
48
49 if (rc != NGX_OK) {
50 return rc;
51 }
52
53 /* ????
54 "listen address:port;"
55 "location /images/ {" */
56
57 if (cf->handler) {
58
59 if (*(cf->handler)(cf) == NGX_ERROR) {
60 return NGX_ERROR;
61 }
62
63 continue;
64 }
65
66 cmd = ngx_conf_find_token(cf);
67 if (cmd == NULL) {
68 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
69 "unknown directive \"%s\" in %s:%d",
70 cf->name, cf->file->name, cf->file->line);
71 return NGX_ERROR;
72 }
73
74 if (cmd->type & argument_number[cf->args->nelts]) {
75 error = cmd->set(cf, cmd->offset, cf->args);
76
77 if (error) {
78 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
79 "%s in directive \"%s\" in %s:%d",
80 error, cf->name, cf->file->name, cf->file->line);
81 return NGX_ERROR;
82 }
83 }
84
85#if 0
86 if (cmd->type == NGX_CONF_CONTAINER) {
87 ngx_conf_parse(cf, cmd->container, NULL);
88
89 } else if (cmd->type == NGX_CONF_FLAG) {
90
91 if (cf->args->nelts != 1) {
92 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
93 "invalid number of arguments "
94 "in directive \"%s\" in %s:%d",
95 cf->name, cf->file->name, cf->file->line);
96 return NGX_ERROR;
97 }
98
99 if (ngx_strcasecmp(cf->args->elts[0], "on") == 0) {
100 flag = 1;
101
102 } else if (ngx_strcasecmp(cf->args->elts[0], "off") == 0) {
103 flag = 0;
104
105 } else {
106 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
107 "invalid flag in directive \"%s\" in %s:%d",
108 cf->name, cf->file->name, cf->file->line);
109 return NGX_ERROR;
110 }
111
112 rv = cmd->set(cf, cmd->offset, flag);
113 if (rv) {
114 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
115 "%s in directive \"%s\" in %s:%d",
116 rv, cf->name, cf->file->name, cf->file->line);
117 return NGX_ERROR;
118 }
119
120 } else if (cmd->type & argument_number[args->nelts]) {
121 rv = cmd->set(cf, cmd->offset, cf->args);
122 if (rv) {
123 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
124 "%s in directive \"%s\" in %s:%d",
125 rv, cf->name, cf->file->name, cf->file->line);
126 return NGX_ERROR;
127 }
128
129 } else {
130 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
131 "invalid number of arguments "
132 "in directive \"%s\" in %s:%d",
133 cf->name, cf->file->name, cf->file->line);
134 return NGX_ERROR;
135 }
136 }
137#endif
138
139 if (filename) {
140 cf->file = prev;
141
142 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
143 ngx_log_error(NGX_LOG_ERR, cf->log, ngx_errno,
144 ngx_close_file_n " %s failed", cf->name);
145 return NGX_ERROR;
146 }
147 }
148
149 return NGX_OK;
150}
151
152#endif
153
154#if 0
155
156int ngx_conf_read_token(ngx_conf_t *cf)
157{
158 char *start, ch, *src, *dst;
159 int n, need_space, last_space, len, quoted, s_quoted, d_quoted;
160 ngx_hunk_t *h;
161
162 need_space = 0;
163 last_space = 1;
164 len = 0;
165 quoted = s_quoted = d_quoted = 0;
166
167 cf->args->nelts = 0;
168 h = cf->conf_file->hunk;
169
170 for (start = h->pos.mem; /* end_of_file */ ; h->pos.mem++) {
171
172 if (h->pos.mem >= h->last.mem) {
173 if (h->pos.mem - start) {
174 ngx_memcpy(h->start, start, h->pos.mem - start);
175 }
176
177 n = ngx_read_file(cf->conf_file->file,
178 h->start + (h->pos.mem - start),
179 h->end - (h->start + (h->pos.mem - start)),
180 cf->conf_file->file.offset);
181
182 if (n == NGX_ERROR) {
183 return NGX_ERROR;
184 }
185
186 cf->conf_file.file.offset += n;
187 h->pos.mem = h->start + (h->pos.mem - start);
188 start = h->start;
189 h->last.mem = h->pos.mem + n;
190 }
191
192 ch = *h->pos.mem;
193
194 if (ch == LF) {
195 cf->conf_file->line++;
196 }
197
198 if (quoted) {
199 quoted = 0;
200 continue;
201 }
202
203 len++;
204
205 if (last_space) {
206 start = h->pos.mem;
207
208 if (ch == ' ' || ch == '\t' || ch == CR || ch == LF) {
209 start++;
210 continue;
211 }
212 }
213
214 if (ch = '\\') {
215 quoted = 1;
216 continue;
217 }
218
219 if (d_quoted) {
220
221 if (ch == '"') {
222 d_quoted = 0;
223 need_space = 1;
224 last_space = 1;
225 continue;
226 }
227
228 } else if (s_quoted) {
229
230 if (ch == '\'') {
231 s_quoted = 0;
232 need_space = 1;
233 last_space = 1;
234 continue;
235 }
236
237 } else {
238
239 if (ch == ' ' || ch == '\t' || ch == CR || ch == LF) {
240 ngx_test_null(word, ngx_push_array(cf->args), NGX_ERROR);
241 ngx_test_null(word->data, ngx_palloc(cf->temp_pool, len + 1),
242 NGX_ERROR);
243 word->len = len;
244
245 for (dst = word->data, src = start; src < h->pos; /* void */) {
246 if (*src == '\\')
247 src++;
248 *dst++ = *src++;
249 }
250 *dst = '\0';
251
252 need_space = 0;
253 last_space = 1;
254 continue;
255 }
256
257 if (need_space) {
258 return NGX_ERROR;
259 }
260
261 if (ch == ';') {
262 return NGX_OK;
263 }
264
265 if (ch == '{') {
266 return NGX_OK;
267 }
268
269 if (ch == '}') {
270 return NGX_BLOCK_DONE;
271 }
272
273 if (last_space) {
274 if (ch == '"') {
275 d_quoted = 1;
276 continue;
277 }
278
279 if (ch == '\'') {
280 s_quoted = 1;
281 continue;
282 }
283 }
284
285 last_space = 0;
286 }
287 }
288}
289
290#endif
291
292char *ngx_conf_set_size_slot(char *conf, int offset, char *value)
293{
294 int size;
295
296 size = atoi(value);
297 if (size < 0)
298 return "value must be greater or equal to zero";
299
300 *(int *) (conf + offset) = size;
301 return NULL;
302}
303
304char *ngx_conf_set_time_slot(char *conf, int offset, char *value)
305{
306 int size;
307
308 size = atoi(value);
309 if (size < 0)
310 return "value must be greater or equal to zero";
311
312 *(int *) (conf + offset) = size;
313 return NULL;
314}