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