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bool json_value_as_string(struct JsonValue *jv, const char **dst_p, size_t *size_p)
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{
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if (!has_type(jv, JSON_STRING))
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return false;
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*dst_p = get_cstring(jv);
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if (size_p)
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*size_p = jv->u.v_size;
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return true;
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}
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/*
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* Load value from dict.
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*/
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static int dict_getter(struct JsonValue *dict,
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const char *key, unsigned int klen,
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struct JsonValue **val_p,
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enum JsonValueType req_type, bool req_value)
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{
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struct JsonValue *val, *kjv;
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struct CBTree *tree;
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tree = get_dict_tree(dict);
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if (!tree)
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return false;
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kjv = cbtree_lookup(tree, key, klen);
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if (!kjv) {
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if (req_value)
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return false;
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*val_p = NULL;
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return true;
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}
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val = get_next(kjv);
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if (!req_value && json_value_is_null(val)) {
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*val_p = NULL;
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return true;
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}
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if (!has_type(val, req_type))
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return false;
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*val_p = val;
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return true;
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}
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bool json_dict_get_value(struct JsonValue *dict, const char *key, struct JsonValue **val_p)
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{
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struct CBTree *tree;
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struct JsonValue *kjv;
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size_t klen;
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tree = get_dict_tree(dict);
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if (!tree)
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return false;
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klen = strlen(key);
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kjv = cbtree_lookup(tree, key, klen);
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if (!kjv)
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return false;
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*val_p = get_next(kjv);
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return true;
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}
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bool json_dict_is_null(struct JsonValue *dict, const char *key)
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{
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struct JsonValue *val;
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if (!json_dict_get_value(dict, key, &val))
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return true;
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return has_type(val, JSON_NULL);
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}
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bool json_dict_get_bool(struct JsonValue *dict, const char *key, bool *dst_p)
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{
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struct JsonValue *val;
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if (!dict_getter(dict, key, strlen(key), &val, JSON_BOOL, true))
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return false;
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return json_value_as_bool(val, dst_p);
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}
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bool json_dict_get_int(struct JsonValue *dict, const char *key, int64_t *dst_p)
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{
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struct JsonValue *val;
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if (!dict_getter(dict, key, strlen(key), &val, JSON_INT, true))
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return false;
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return json_value_as_int(val, dst_p);
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}
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bool json_dict_get_float(struct JsonValue *dict, const char *key, double *dst_p)
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{
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struct JsonValue *val;
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if (!dict_getter(dict, key, strlen(key), &val, JSON_FLOAT, true))
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return false;
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return json_value_as_float(val, dst_p);
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}
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bool json_dict_get_string(struct JsonValue *dict, const char *key, const char **dst_p, size_t *len_p)
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{
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struct JsonValue *val;
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