#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "cn-cbor/cn-cbor.h"
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cn_cbor* cn_cbor_mapget_int(const cn_cbor* cb, int key) {
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cn_cbor* cp;
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assert(cb);
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for (cp = cb->first_child; cp && cp->next; cp = cp->next->next) {
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switch(cp->type) {
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case CN_CBOR_UINT:
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if (cp->v.uint == (unsigned long)key) {
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return cp->next;
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}
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break;
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case CN_CBOR_INT:
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if (cp->v.sint == (long)key) {
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return cp->next;
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}
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break;
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default:
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; // skip non-integer keys
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}
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}
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return NULL;
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}
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cn_cbor* cn_cbor_mapget_string(const cn_cbor* cb, const char* key) {
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cn_cbor *cp;
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int keylen;
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assert(cb);
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assert(key);
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keylen = strlen(key);
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for (cp = cb->first_child; cp && cp->next; cp = cp->next->next) {
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switch(cp->type) {
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case CN_CBOR_TEXT: // fall-through
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case CN_CBOR_BYTES:
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if (keylen != cp->length) {
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continue;
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}
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if (memcmp(key, cp->v.str, keylen) == 0) {
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return cp->next;
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}
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default:
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; // skip non-string keys
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}
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}
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return NULL;
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}
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cn_cbor* cn_cbor_index(const cn_cbor* cb, unsigned int idx) {
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cn_cbor *cp;
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unsigned int i = 0;
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assert(cb);
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for (cp = cb->first_child; cp; cp = cp->next) {
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if (i == idx) {
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return cp;
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}
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i++;
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}
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return NULL;
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}
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