Annotation of libelwix/example/test_json.c, revision 1.1.2.8
1.1.2.1 misho 1: #include <stdio.h>
2: #include <string.h>
3: #include <unistd.h>
4: #include <fcntl.h>
1.1.2.5 misho 5: #include <errno.h>
1.1.2.1 misho 6: #include <sys/types.h>
7: #include <elwix.h>
8:
9:
10: int
11: run_simple(json_t *json)
12: {
1.1.2.4 misho 13: static const char *teststr = "{\"user\": \"johndoe\", { \"meow\", \"\", \"\aaa\"}, \"admin\": false, \"uid\": 1000, \"objects\" : { \"a\":\"1\", \"b\" : \"2\" ,\"c\" : \"3\", , \"oho\"},\n"
1.1.2.7 misho 14: "\"groups\": [\"users\", \"\", \"wheel\", \"audio\", \"video\"], \"testend\":{\"x\" : \"8\", \"y\":\"7\", \"z\" : \"9\"}}";
15: // static const char *teststr = "{}\n[]\n\"sdfsdf\"";
1.1.2.1 misho 16: int i, ret;
1.1.2.4 misho 17: jtok_t *tok, toks[36];
1.1.2.1 misho 18: ait_val_t *v;
19: char *str;
20: array_t *arr;
21:
22: json_init(json, 0);
23: ret = json_parse(json, teststr, strlen(teststr), NULL, 0);
24: if (ret == -1) {
25: printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
26: return 1;
27: } else
28: printf("We are need from %d tokens\n", ret);
29: json_init(json, 1);
30: ret = json_parse(json, teststr, strlen(teststr), NULL, 0);
31: if (ret == -1) {
32: printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
33: return 1;
34: } else
35: printf("(strict) We are need from %d tokens\n", ret);
36: json_init(json, 0);
37: ret = json_parse(json, teststr, strlen(teststr), toks, sizeof toks/sizeof *toks);
38: if (ret == -1) {
39: printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
40: return 1;
41: } else
1.1.2.2 misho 42: printf("We parsed %d tokens next=%lu\n", ret, json->h_next);
1.1.2.1 misho 43: memset(toks, 0, sizeof toks);
44: json_init(json, 1);
45: ret = json_parse(json, teststr, strlen(teststr), toks, sizeof toks/sizeof *toks);
46: if (ret == -1) {
47: printf("Error:: #%d - %s\n", elwix_GetErrno(), elwix_GetError());
48: return 1;
49: } else
1.1.2.2 misho 50: printf("(strict) We parsed %d tokens next=%lu\n", ret, json->h_next);
1.1.2.1 misho 51:
52: if (!(tok = json_findbykey(teststr, "boza s kosmi", toks, ret)))
53: printf("Key=\"boza s kosmi\" not found!\n");
54: tok = json_findbykey(teststr, "user", toks, ret);
1.1.2.7 misho 55: if (tok) {
56: v = json_token2val(teststr, tok);
57: printf("Key=\"user\" data parent=%ld idx=%ld size=%ld type=%d %s\n", tok->tok_parent, tok->tok_idx, tok->tok_size, tok->tok_type, AIT_GET_STR(v));
58: ait_freeVar(&v);
59: }
1.1.2.1 misho 60: tok = json_findbykey(teststr, "admin", toks, ret);
1.1.2.7 misho 61: if (tok) {
62: str = json_token2str(teststr, tok);
63: printf("Key=\"admin\" data parent=%ld idx=%ld size=%ld type=%d %s\n", tok->tok_parent, tok->tok_idx, tok->tok_size, tok->tok_type, str);
64: e_free(str);
65: }
1.1.2.1 misho 66: tok = json_findbykey(teststr, "uid", toks, ret);
1.1.2.7 misho 67: if (tok) {
68: printf("Key=\"uid\" data parent=%ld idx=%ld size=%ld type=%d %ld\n", tok->tok_parent, tok->tok_idx, tok->tok_size, tok->tok_type,
69: json_token2num(teststr, tok));
70: arr = json_token2array(teststr, tok);
71: for (i = 0; i < array_Size(arr); i++)
72: printf("arr[%d]=%s\n", i, AIT_GET_STR(array(arr, i, ait_val_t*)));
73: ait_freeVars(&arr);
74: }
1.1.2.1 misho 75:
76: tok = json_findbykey(teststr, "groups", toks, ret);
1.1.2.7 misho 77: if (tok) {
78: str = json_token2str(teststr, tok);
79: arr = json_token2array(teststr, tok);
80: printf("Key=\"groups\" data parent=%ld idx=%ld size=%ld type=%d %s\n", tok->tok_parent, tok->tok_idx, tok->tok_size, tok->tok_type, str);
81: e_free(str);
82: for (i = 0; i < array_Size(arr); i++)
83: printf("arr[%d]=%s\n", i, AIT_GET_STR(array(arr, i, ait_val_t*)));
84: ait_freeVars(&arr);
85: }
1.1.2.4 misho 86:
87: tok = json_findbykey(teststr, "objects", toks, ret);
1.1.2.7 misho 88: if (tok) {
89: str = json_token2str(teststr, tok);
90: arr = json_token2array(teststr, tok);
91: printf("Key=\"objects\" data parent=%ld idx=%ld size=%ld type=%d %s\n", tok->tok_parent, tok->tok_idx, tok->tok_size, tok->tok_type, str);
92: e_free(str);
93: for (i = 0; i < array_Size(arr); i++)
94: printf("arr[%d]=%s\n", i, AIT_GET_STR(array(arr, i, ait_val_t*)));
95: ait_freeVars(&arr);
96: }
1.1.2.4 misho 97:
98: tok = json_findbykey(teststr, "testend", toks, ret);
1.1.2.7 misho 99: if (tok) {
100: str = json_token2str(teststr, tok);
101: arr = json_token2array(teststr, tok);
102: printf("Key=\"testend\" data parent=%ld idx=%ld size=%ld type=%d %s\n", tok->tok_parent, tok->tok_idx, tok->tok_size, tok->tok_type, str);
103: e_free(str);
104: for (i = 0; i < array_Size(arr); i++)
105: printf("arr[%d]=%s\n", i, AIT_GET_STR(array(arr, i, ait_val_t*)));
106: ait_freeVars(&arr);
107: }
1.1.2.1 misho 108:
109: return 0;
110: }
111:
1.1.2.6 misho 112: static int
113: dump(const char *jstr, jtok_t *toks, int toksnum, int indent)
114: {
115: register int i, j, k;
116:
117: if (!toksnum)
118: return 0;
119:
120: if (toks->tok_type == J_VALUE) {
121: printf("%.*s", (int) json_toklen(toks), json_tokstr(jstr, toks));
122: return 1;
123: } else if (toks->tok_type == J_STRING) {
124: printf("%.*s", (int) json_toklen(toks), json_tokstr(jstr, toks));
125: return 1;
126: } else if (toks->tok_type == J_OBJECT) {
127: printf("\n");
128: for (j = i = 0; i < json_toksize(toks); i++) {
129: for (k = 0; k < indent; k++)
130: printf(" ");
131: j += dump(jstr, toks + j + 1, toksnum - j, indent + 1);
132: printf(": ");
133: j += dump(jstr, toks + j + 1, toksnum - j, indent + 1);
134: printf("\n");
135: }
136: return j + 1;
137: } else if (toks->tok_type == J_ARRAY) {
138: printf("\n");
139: for (j = i = 0; i < json_toksize(toks); i++) {
140: for (k = 0; k < indent - 1; k++)
141: printf(" ");
142: printf(" - ");
143: j += dump(jstr, toks + j + 1, toksnum - j, indent + 1);
144: printf("\n");
145: }
146: return j + 1;
147: }
148:
149: return 0;
150: }
151:
1.1.2.1 misho 152: int
1.1.2.7 misho 153: run_dump(json_t *json, char **args)
1.1.2.5 misho 154: {
155: int rlen, toksnum, wait4eof = 0;
156: char buf[BUFSIZ];
157: ait_val_t v;
158: jtok_t *toks, *t;
1.1.2.7 misho 159: FILE *f;
160:
161: json_init(json, 0);
162: f = fopen(args[1], "r");
163: if (!f) {
164: printf("fopen(%s) #%d - %s\n", *args, errno, strerror(errno));
1.1.2.8 ! misho 165: return 1;
1.1.2.7 misho 166: }
1.1.2.5 misho 167:
168: toks = e_malloc(sizeof(jtok_t));
1.1.2.7 misho 169: if (!toks) {
170: fclose(f);
1.1.2.5 misho 171: return 1;
1.1.2.7 misho 172: } else
1.1.2.5 misho 173: toksnum = 1;
174: AIT_SET_STRSIZ(&v, 1);
175: while (42) {
176: memset(buf, 0, sizeof buf);
1.1.2.7 misho 177: rlen = fread(buf, 1, sizeof buf, f);
1.1.2.5 misho 178: switch (rlen) {
179: case -1:
180: printf("Error:: fread() #%d - %s\n", errno, strerror(errno));
181: AIT_FREE_VAL(&v);
182: e_free(toks);
1.1.2.7 misho 183: fclose(f);
1.1.2.5 misho 184: return 2;
185: case 0:
186: if (wait4eof)
187: return 0;
188: printf("Error:: Unexpected termination!\n");
189: AIT_FREE_VAL(&v);
190: e_free(toks);
1.1.2.7 misho 191: fclose(f);
1.1.2.5 misho 192: return 3;
193: default:
194: AIT_SET_STRCAT(&v, buf);
195: break;
196: }
197: again:
198: rlen = json_parse(json, AIT_GET_STR(&v), AIT_LEN(&v), toks, toksnum);
199: if (rlen == (u_int) -1) {
200: if (elwix_GetErrno() == J_ERR_NOMEM) {
201: toksnum *= 2;
202: t = e_realloc(toks, sizeof(jtok_t) * toksnum);
203: if (t) {
204: toks = t;
205: goto again;
206: }
207: }
208: } else {
209: dump(AIT_GET_STR(&v), toks, json->h_next, 0);
210: wait4eof = 1;
211: }
212: }
213: AIT_FREE_VAL(&v);
214: e_free(toks);
1.1.2.7 misho 215: fclose(f);
1.1.2.5 misho 216:
217: return 0;
218: }
219:
220: int
1.1.2.1 misho 221: main(int argc, char **argv)
222: {
223: json_t json;
224:
225: if (argc < 2)
226: return run_simple(&json);
1.1.2.5 misho 227: else
1.1.2.7 misho 228: return run_dump(&json, argv);
1.1.2.1 misho 229:
230: return 0;
231: }
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