yyjson_api_inline bool yyjson_ptr_ctx_replace()

in include/yyjson/yyjson.h [7655:7685]

• 29 lines of code
• 8 McCabe index (conditional complexity)

yyjson_api_inline bool yyjson_ptr_ctx_replace(yyjson_ptr_ctx *ctx,
                                              yyjson_mut_val *val) {
    yyjson_mut_val *ctn, *pre_key, *cur_key, *pre_val, *cur_val;
    if (!ctx || !ctx->ctn || !ctx->pre || !val) return false;
    ctn = ctx->ctn;
    if (yyjson_mut_is_obj(ctn)) {
        pre_key = ctx->pre;
        pre_val = pre_key->next;
        cur_key = pre_val->next;
        cur_val = cur_key->next;
        /* replace current value */
        cur_key->next = val;
        val->next = cur_val->next;
        ctx->old = cur_val;
    } else {
        pre_val = ctx->pre;
        cur_val = pre_val->next;
        /* replace current value */
        if (pre_val != cur_val) {
            val->next = cur_val->next;
            pre_val->next = val;
            if (ctn->uni.ptr == cur_val) ctn->uni.ptr = val;
        } else {
            val->next = val;
            ctn->uni.ptr = val;
            ctx->pre = val;
        }
        ctx->old = cur_val;
    }
    return true;
}