summaryrefslogtreecommitdiffstats
path: root/src/jplist.c
blob: cb29742eb6c91ace0864ff7d1301ddf107b4c9cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
/*
 * jplist.c
 * JSON plist implementation
 *
 * Copyright (c) 2019-2021 Nikias Bassen All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>

#include <inttypes.h>
#include <ctype.h>
#include <math.h>
#include <limits.h>

#include <node.h>
#include <node_list.h>

#include "plist.h"
#include "strbuf.h"
#include "jsmn.h"

#ifdef DEBUG
static int plist_json_debug = 0;
#define PLIST_JSON_ERR(...) if (plist_json_debug) { fprintf(stderr, "libplist[jsonparser] ERROR: " __VA_ARGS__); }
#define PLIST_JSON_WRITE_ERR(...) if (plist_json_debug) { fprintf(stderr, "libplist[jsonwriter] ERROR: " __VA_ARGS__); }
#else
#define PLIST_JSON_ERR(...)
#define PLIST_JSON_WRITE_ERR(...)
#endif

void plist_json_init(void)
{
    /* init JSON stuff */
#ifdef DEBUG
    char *env_debug = getenv("PLIST_JSON_DEBUG");
    if (env_debug && !strcmp(env_debug, "1")) {
        plist_json_debug = 1;
    }
#endif
}

void plist_json_deinit(void)
{
    /* deinit JSON stuff */
}

#ifndef HAVE_STRNDUP
static char* strndup(const char* str, size_t len)
{
    char *newstr = (char *)malloc(len+1);
    if (newstr) {
        strncpy(newstr, str, len);
        newstr[len]= '\0';
    }
    return newstr;
}
#endif

static size_t dtostr(char *buf, size_t bufsize, double realval)
{
    size_t len = 0;
    if (isnan(realval)) {
        len = snprintf(buf, bufsize, "nan");
    } else if (isinf(realval)) {
        len = snprintf(buf, bufsize, "%cinfinity", (realval > 0.0) ? '+' : '-');
    } else if (realval == 0.0f) {
        len = snprintf(buf, bufsize, "0.0");
    } else {
        size_t i = 0;
        len = snprintf(buf, bufsize, "%.*g", 17, realval);
        for (i = 0; buf && i < len; i++) {
            if (buf[i] == ',') {
                buf[i] = '.';
                break;
            } else if (buf[i] == '.') {
                break;
            }
        }
    }
    return len;
}

static int node_to_json(node_t* node, bytearray_t **outbuf, uint32_t depth, int prettify)
{
    plist_data_t node_data = NULL;

    char *val = NULL;
    size_t val_len = 0;

    uint32_t i = 0;

    if (!node)
        return PLIST_ERR_INVALID_ARG;

    node_data = plist_get_data(node);

    switch (node_data->type)
    {
    case PLIST_BOOLEAN:
    {
        if (node_data->boolval) {
            str_buf_append(*outbuf, "true", 4);
        } else {
            str_buf_append(*outbuf, "false", 5);
        }
    }
    break;

    case PLIST_NULL:
        str_buf_append(*outbuf, "null", 4);
	break;

    case PLIST_UINT:
        val = (char*)malloc(64);
        if (node_data->length == 16) {
            val_len = snprintf(val, 64, "%"PRIu64, node_data->intval);
        } else {
            val_len = snprintf(val, 64, "%"PRIi64, node_data->intval);
        }
        str_buf_append(*outbuf, val, val_len);
        free(val);
        break;

    case PLIST_REAL:
        val = (char*)malloc(64);
        val_len = dtostr(val, 64, node_data->realval);
        str_buf_append(*outbuf, val, val_len);
        free(val);
        break;

    case PLIST_STRING:
    case PLIST_KEY: {
        size_t j = 0;
        size_t len = 0;
        off_t start = 0;
        off_t cur = 0;

        str_buf_append(*outbuf, "\"", 1);

        len = node_data->length;
        for (j = 0; j < len; j++) {
            switch (node_data->strval[j]) {
            case '"':
                str_buf_append(*outbuf, node_data->strval + start, cur - start);
                str_buf_append(*outbuf, "\\\"", 2);
                start = cur+1;
                break;
            default:
                break;
            }
            cur++;
        }
        str_buf_append(*outbuf, node_data->strval + start, cur - start);

        str_buf_append(*outbuf, "\"", 1);
        } break;

    case PLIST_ARRAY: {
        str_buf_append(*outbuf, "[", 1);
        node_t *ch;
        uint32_t cnt = 0;
        for (ch = node_first_child(node); ch; ch = node_next_sibling(ch)) {
            if (cnt > 0) {
                str_buf_append(*outbuf, ",", 1);
            }
            if (prettify) {
                str_buf_append(*outbuf, "\n", 1);
                for (i = 0; i <= depth; i++) {
                    str_buf_append(*outbuf, "  ", 2);
                }
            }
            int res = node_to_json(ch, outbuf, depth+1, prettify);
            if (res < 0) {
                return res;
            }
            cnt++;
        }
        if (cnt > 0 && prettify) {
            str_buf_append(*outbuf, "\n", 1);
            for (i = 0; i < depth; i++) {
                str_buf_append(*outbuf, "  ", 2);
            }
        }
        str_buf_append(*outbuf, "]", 1);
        } break;
    case PLIST_DICT: {
        str_buf_append(*outbuf, "{", 1);
        node_t *ch;
        uint32_t cnt = 0;
        for (ch = node_first_child(node); ch; ch = node_next_sibling(ch)) {
            if (cnt > 0 && cnt % 2 == 0) {
                str_buf_append(*outbuf, ",", 1);
            }
            if (cnt % 2 == 0 && prettify) {
                str_buf_append(*outbuf, "\n", 1);
                for (i = 0; i <= depth; i++) {
                    str_buf_append(*outbuf, "  ", 2);
                }
            }
            int res = node_to_json(ch, outbuf, depth+1, prettify);
            if (res < 0) {
                return res;
            }
            if (cnt % 2 == 0) {
                str_buf_append(*outbuf, ":", 1);
                if (prettify) {
                  str_buf_append(*outbuf, " ", 1);
                }
            }
            cnt++;
        }
        if (cnt > 0 && prettify) {
            str_buf_append(*outbuf, "\n", 1);
            for (i = 0; i < depth; i++) {
                str_buf_append(*outbuf, "  ", 2);
            }
        }
        str_buf_append(*outbuf, "}", 1);
        } break;
    case PLIST_DATA:
        // NOT VALID FOR JSON
        PLIST_JSON_WRITE_ERR("PLIST_DATA type is not valid for JSON format\n");
        return PLIST_ERR_FORMAT;
    case PLIST_DATE:
        // NOT VALID FOR JSON
        PLIST_JSON_WRITE_ERR("PLIST_DATE type is not valid for JSON format\n");
        return PLIST_ERR_FORMAT;
    case PLIST_UID:
        // NOT VALID FOR JSON
        PLIST_JSON_WRITE_ERR("PLIST_UID type is not valid for JSON format\n");
        return PLIST_ERR_FORMAT;
    default:
        return PLIST_ERR_UNKNOWN;
    }

    return PLIST_ERR_SUCCESS;
}

#define PO10i_LIMIT (INT64_MAX/10)

/* based on https://stackoverflow.com/a/4143288 */
static int num_digits_i(int64_t i)
{
    int n;
    int64_t po10;
    n=1;
    if (i < 0) {
        i = -i;
        n++;
    }
    po10=10;
    while (i>=po10) {
        n++;
        if (po10 > PO10i_LIMIT) break;
        po10*=10;
    }
    return n;
}

#define PO10u_LIMIT (UINT64_MAX/10)

/* based on https://stackoverflow.com/a/4143288 */
static int num_digits_u(uint64_t i)
{
    int n;
    uint64_t po10;
    n=1;
    po10=10;
    while (i>=po10) {
        n++;
        if (po10 > PO10u_LIMIT) break;
        po10*=10;
    }
    return n;
}

static int node_estimate_size(node_t *node, uint64_t *size, uint32_t depth, int prettify)
{
    plist_data_t data;
    if (!node) {
        return PLIST_ERR_INVALID_ARG;
    }
    data = plist_get_data(node);
    if (node->children) {
        node_t *ch;
        unsigned int n_children = node_n_children(node);
        for (ch = node_first_child(node); ch; ch = node_next_sibling(ch)) {
            int res = node_estimate_size(ch, size, depth + 1, prettify);
            if (res < 0) {
                return res;
            }
        }
        switch (data->type) {
        case PLIST_DICT:
            *size += 2; // '{' and '}'
            *size += n_children-1; // number of ':' and ','
            if (prettify) {
                *size += n_children; // number of '\n' and extra space
                *size += n_children * (depth+1); // indent for every 2nd child
                *size += 1; // additional '\n'
            }
            break;
        case PLIST_ARRAY:
            *size += 2; // '[' and ']'
            *size += n_children-1; // number of ','
            if (prettify) {
                *size += n_children; // number of '\n'
                *size += n_children * ((depth+1)<<1); // indent for every child
                *size += 1; // additional '\n'
            }
            break;
        default:
            break;
	}
        if (prettify)
            *size += (depth << 1); // indent for {} and []
    } else {
        switch (data->type) {
        case PLIST_STRING:
        case PLIST_KEY:
            *size += data->length;
            *size += 2;
            break;
        case PLIST_UINT:
            if (data->length == 16) {
                *size += num_digits_u(data->intval);
            } else {
                *size += num_digits_i((int64_t)data->intval);
            }
            break;
        case PLIST_REAL:
            *size += dtostr(NULL, 0, data->realval);
            break;
        case PLIST_BOOLEAN:
            *size += ((data->boolval) ? 4 : 5);
            break;
        case PLIST_DICT:
        case PLIST_ARRAY:
            *size += 2;
            break;
        case PLIST_DATA:
            // NOT VALID FOR JSON
            PLIST_JSON_WRITE_ERR("PLIST_DATA type is not valid for JSON format\n");
            return PLIST_ERR_FORMAT;
        case PLIST_DATE:
            // NOT VALID FOR JSON
            PLIST_JSON_WRITE_ERR("PLIST_DATE type is not valid for JSON format\n");
            return PLIST_ERR_FORMAT;
        case PLIST_UID:
            // NOT VALID FOR JSON
            PLIST_JSON_WRITE_ERR("PLIST_UID type is not valid for JSON format\n");
            return PLIST_ERR_FORMAT;
        default:
            PLIST_JSON_WRITE_ERR("invalid node type encountered\n");
            return PLIST_ERR_UNKNOWN;
        }
    }
    return PLIST_ERR_SUCCESS;
}

PLIST_API int plist_to_json(plist_t plist, char **json, uint32_t* length, int prettify)
{
    uint64_t size = 0;
    int res;

    if (!plist || !json || !length) {
        return PLIST_ERR_INVALID_ARG;
    }

    res = node_estimate_size(plist, &size, 0, prettify);
    if (res < 0) {
        return res;
    }

    strbuf_t *outbuf = str_buf_new(size);
    if (!outbuf) {
        PLIST_JSON_WRITE_ERR("Could not allocate output buffer");
        return PLIST_ERR_NO_MEM;
    }

    res = node_to_json(plist, &outbuf, 0, prettify);
    if (res < 0) {
        str_buf_free(outbuf);
        *json = NULL;
        *length = 0;
        return res;
    }

    str_buf_append(outbuf, "\0", 1);

    *json = outbuf->data;
    *length = outbuf->len - 1;

    outbuf->data = NULL;
    str_buf_free(outbuf);

    return PLIST_ERR_SUCCESS;
}

static plist_t parse_primitive(const char* js, jsmntok_t* tokens, int* index)
{
    if (tokens[*index].type != JSMN_PRIMITIVE) {
        PLIST_JSON_ERR("%s: token type != JSMN_PRIMITIVE\n", __func__);
        return NULL;
    }
    plist_t val = NULL;
    const char* str_val = js + tokens[*index].start;
    const char* str_end = js + tokens[*index].end;
    size_t str_len = tokens[*index].end - tokens[*index].start;
    if (!strncmp("false", str_val, str_len)) {
        val = plist_new_bool(0);
    } else if (!strncmp("true", str_val, str_len)) {
        val = plist_new_bool(1);
    } else if (!strncmp("null", str_val, str_len)) {
        plist_data_t data = plist_new_plist_data();
        data->type = PLIST_NULL;
        val = plist_new_node(data);
    } else if (str_val[0] == '-' || isdigit(str_val[0])) {
        char* endp = NULL;
        long long intpart = strtol(str_val, &endp, 10);
        if (endp >= str_end) {
            /* integer */
            val = plist_new_uint((uint64_t)intpart);
        } else if (*endp == '.' && endp+1 < str_end && isdigit(*(endp+1))) {
            /* float */
            char* fendp = endp+1;
            while (isdigit(*fendp) && fendp < str_end) fendp++;
            if ((fendp > endp+1 && fendp >= str_end) || (fendp+2 < str_end && (*fendp == 'e' || *fendp == 'E') && (*(fendp+1) == '+' || *(fendp+1) == '-') && isdigit(*(fendp+2)))) {
                double dval = atof(str_val);
                val = plist_new_real(dval);
            } else {
                PLIST_JSON_ERR("%s: invalid character at offset %d when parsing floating point value\n", __func__, (int)(fendp - js));
            }
        } else {
            PLIST_JSON_ERR("%s: invalid character at offset %d when parsing numerical value\n", __func__, (int)(endp - js));
        }
    } else {
        PLIST_JSON_ERR("%s: invalid primitive value '%.*s' encountered\n", __func__, (int)str_len, str_val);
    }
    (*index)++;
    return val;
}

static char* unescape_string(const char* str_val, size_t str_len, size_t *new_len)
{
    char* strval = strndup(str_val, str_len);
    size_t i = 0;
    while (i < str_len) {
        if (strval[i] == '\\' && i < str_len-1) {
            switch (strval[i+1]) {
                case '\"': case '/' : case '\\' : case 'b' :
                case 'f' : case 'r' : case 'n'  : case 't' :
                    memmove(strval+i, strval+i+1, str_len - (i+1));
                    str_len--;
                    switch (strval[i]) {
                        case 'b':
                            strval[i] = '\b';
                            break;
                        case 'f':
                            strval[i] = '\f';
                            break;
                        case 'r':
                            strval[i] = '\r';
                            break;
                        case 'n':
                            strval[i] = '\n';
                            break;
                        case 't':
                            strval[i] = '\t';
                            break;
                        default:
                            break;
                    }
                    break;
                case 'u': {
                    unsigned int val = 0;
                    if (str_len-(i+2) < 4) {
                        free(strval);
                        PLIST_JSON_ERR("%s: invalid escape sequence '%s' (too short)\n", __func__, strval+i);
                        return NULL;
                    }
                    if (!(isxdigit(strval[i+2]) && isxdigit(strval[i+3]) && isxdigit(strval[i+4]) && isxdigit(strval[i+5])) || sscanf(strval+i+2, "%04x", &val) != 1) {
                        free(strval);
                        PLIST_JSON_ERR("%s: invalid escape sequence '%.*s'\n", __func__, 6, strval+i);
                        return NULL;
                    }
                    int bytelen = 0;
                    if (val >= 0x800) {
                        /* three bytes */
                        strval[i]   = (char)(0xE0 + ((val >> 12) & 0xF));
                        strval[i+1] = (char)(0x80 + ((val >> 6) & 0x3F));
                        strval[i+2] = (char)(0x80 + (val & 0x3F));
                        bytelen = 3;
                    } else if (val >= 0x80) {
                        /* two bytes */
                        strval[i]   = (char)(0xC0 + ((val >> 6) & 0x1F));
                        strval[i+1] = (char)(0x80 + (val & 0x3F));
                        bytelen = 2;
                    } else {
                        /* one byte */
                        strval[i] = (char)(val & 0x7F);
                        bytelen = 1;
                    }
                    memmove(strval+i+bytelen, strval+i+6, str_len - (i+5));
                    str_len -= (6-bytelen);
                }   break;
                default:
                    PLIST_JSON_ERR("%s: invalid escape sequence '%.*s'\n", __func__, 2, strval+i);
                    free(strval);
                    return NULL;
            }
        }
        i++;
    }
    strval[str_len] = '\0';
    if (new_len) {
        *new_len = str_len;
    }
    return strval;
}

static plist_t parse_string(const char* js, jsmntok_t* tokens, int* index)
{
    if (tokens[*index].type != JSMN_STRING) {
        PLIST_JSON_ERR("%s: token type != JSMN_STRING\n", __func__);
        return NULL;
    }

    size_t str_len = 0; ;
    char* strval = unescape_string(js + tokens[*index].start, tokens[*index].end - tokens[*index].start, &str_len);
    plist_t node;

    plist_data_t data = plist_new_plist_data();
    data->type = PLIST_STRING;
    data->strval = strval;
    data->length = str_len;
    node = plist_new_node(data);

    (*index)++;
    return node;
}

static plist_t parse_object(const char* js, jsmntok_t* tokens, int* index);

static plist_t parse_array(const char* js, jsmntok_t* tokens, int* index)
{
    if (tokens[*index].type != JSMN_ARRAY) {
        PLIST_JSON_ERR("%s: token type != JSMN_ARRAY\n", __func__);
        return NULL;
    }
    plist_t arr = plist_new_array();
    int num_tokens = tokens[*index].size;
    int num;
    int j = (*index)+1;
    for (num = 0; num < num_tokens; num++) {
        plist_t val = NULL;
        switch (tokens[j].type) {
            case JSMN_OBJECT:
                val = parse_object(js, tokens, &j);
                break;
            case JSMN_ARRAY:
                val = parse_array(js, tokens, &j);
                break;
            case JSMN_STRING:
                val = parse_string(js, tokens, &j);
                break;
            case JSMN_PRIMITIVE:
                val = parse_primitive(js, tokens, &j);
                break;
            default:
                break;
        }
        if (val) {
            plist_array_append_item(arr, val);
        }
    }
    *(index) = j;
    return arr;
}

static plist_t parse_object(const char* js, jsmntok_t* tokens, int* index)
{
    if (tokens[*index].type != JSMN_OBJECT) {
        PLIST_JSON_ERR("%s: token type != JSMN_OBJECT\n", __func__);
        return NULL;
    }
    plist_t obj = plist_new_dict();
    int num_tokens = tokens[*index].size;
    int num;
    int j = (*index)+1;
    for (num = 0; num < num_tokens; num++) {
        if (tokens[j].type == JSMN_STRING) {
            char* key = unescape_string(js + tokens[j].start, tokens[j].end - tokens[j].start, NULL);
            plist_t val = NULL;
            j++;
            num++;
            switch (tokens[j].type) {
                case JSMN_OBJECT:
                    val = parse_object(js, tokens, &j);
                    break;
                case JSMN_ARRAY:
                    val = parse_array(js, tokens, &j);
                    break;
                case JSMN_STRING:
                    val = parse_string(js, tokens, &j);
                    break;
                case JSMN_PRIMITIVE:
                    val = parse_primitive(js, tokens, &j);
                    break;
                default:
                    break;
            }
            if (val) {
                plist_dict_set_item(obj, key, val);
            }
            free(key);
        } else {
            PLIST_JSON_ERR("%s: keys must be of type STRING\n", __func__);
            return NULL;
        }
    }
    (*index) = j;
    return obj;
}

PLIST_API int plist_from_json(const char *json, uint32_t length, plist_t * plist)
{
    if (!plist) {
        return PLIST_ERR_INVALID_ARG;
    }
    *plist = NULL;
    if (!json || (length == 0)) {
        return PLIST_ERR_INVALID_ARG;
    }

    jsmn_parser parser;
    jsmn_init(&parser);
    int maxtoks = 256;
    int curtoks = 0;
    int r = 0;
    jsmntok_t *tokens = NULL;

    do {
        jsmntok_t* newtokens = realloc(tokens, sizeof(jsmntok_t)*maxtoks);
        if (!newtokens) {
            PLIST_JSON_ERR("%s: Out of memory\n", __func__);
            return PLIST_ERR_NO_MEM;
        }
        memset((unsigned char*)newtokens + sizeof(jsmntok_t)*curtoks, '\0', sizeof(jsmntok_t)*(maxtoks-curtoks));
        tokens = newtokens;
        curtoks = maxtoks;

        r = jsmn_parse(&parser, json, length, tokens, maxtoks);
        if (r == JSMN_ERROR_NOMEM) {
            maxtoks+=16;
            continue;
        }
    } while (r == JSMN_ERROR_NOMEM);

    switch(r) {
        case JSMN_ERROR_NOMEM:
            PLIST_JSON_ERR("%s: Out of memory...\n", __func__);
            free(tokens);
            return PLIST_ERR_NO_MEM;
        case JSMN_ERROR_INVAL:
            PLIST_JSON_ERR("%s: Invalid character inside JSON string\n", __func__);
            free(tokens);
            return PLIST_ERR_PARSE;
        case JSMN_ERROR_PART:
            PLIST_JSON_ERR("%s: Incomplete JSON, more bytes expected\n", __func__);
            free(tokens);
            return PLIST_ERR_PARSE;
        default:
            break;
    }

    int startindex = 0;
    switch (tokens[startindex].type) {
        case JSMN_PRIMITIVE:
            *plist = parse_primitive(json, tokens, &startindex);
            break;
        case JSMN_STRING:
            *plist = parse_string(json, tokens, &startindex);
            break;
        case JSMN_ARRAY:
            *plist = parse_array(json, tokens, &startindex);
            break;
        case JSMN_OBJECT:
            *plist = parse_object(json, tokens, &startindex);
            break;
        default:
            break;
    }
    free(tokens);
    return PLIST_ERR_SUCCESS;
}