64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
/* JSON query
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* ZZJSON - Copyright (C) 2008 by Ivo van Poorten
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* License: GNU Lesser General Public License version 2.1
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*/
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#include "zzjson.h"
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#include <string.h>
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#include <stdarg.h>
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ZZJSON *zzjson_object_find_label(ZZJSON *zzjson, char *label) {
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if (zzjson->type != ZZJSON_OBJECT) return NULL;
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while (zzjson) {
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char *string = zzjson->value.object.label;
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if (zzjson->type != ZZJSON_OBJECT) return NULL;
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if (!string) return NULL;
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if (!strcmp(string, label))
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return zzjson->value.object.val;
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zzjson = zzjson->next;
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}
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return NULL;
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}
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ZZJSON *zzjson_object_find_labels(ZZJSON *zzjson, ...) {
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va_list ap;
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char *lbl;
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va_start(ap, zzjson);
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lbl = va_arg(ap, char *);
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while (lbl) {
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zzjson = zzjson_object_find_label(zzjson, lbl);
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if (!zzjson) break;
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lbl = va_arg(ap, char *);
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}
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va_end(ap);
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return zzjson;
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}
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unsigned int zzjson_object_count(ZZJSON *zzjson) {
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unsigned int count = 1;
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if (zzjson->type != ZZJSON_OBJECT) return 0;
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if (!zzjson->value.object.label) return 0; /* empty { } */
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while ((zzjson = zzjson->next)) count++;
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return count;
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}
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unsigned int zzjson_array_count(ZZJSON *zzjson) {
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unsigned int count = 1;
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if (zzjson->type != ZZJSON_ARRAY) return 0;
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if (!zzjson->value.array.val) return 0; /* empty [ ] */
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while ((zzjson = zzjson->next)) count++;
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return count;
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}
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