Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   (C) 2026 Taler Systems SA
       4              : 
       5              :   TALER is free software; you can redistribute it and/or modify it under the
       6              :   terms of the GNU Lesser General Public License as published by the Free Software
       7              :   Foundation; either version 3, or (at your option) any later version.
       8              : 
       9              :   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10              :   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11              :   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12              : 
      13              :   You should have received a copy of the GNU General Public License along with
      14              :   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15              : */
      16              : /**
      17              :  * @file src/util/contract_version_parse.c
      18              :  * @brief parser for the contract version
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "platform.h"
      22              : #include <string.h>
      23              : #include "taler/taler_merchant_util.h"
      24              : 
      25              : /**
      26              :  * Parse contract version of given JSON contract terms.
      27              :  *
      28              :  * @param cls closure, unused parameter
      29              :  * @param root the JSON object representing data
      30              :  * @param[out] spec where to write the data
      31              :  * @return #GNUNET_OK upon successful parsing; #GNUNET_SYSERR upon error
      32              :  */
      33              : static enum GNUNET_GenericReturnValue
      34          277 : parse_contract_version (void *cls,
      35              :                         json_t *root,
      36              :                         struct GNUNET_JSON_Specification *spec)
      37              : {
      38          277 :   enum TALER_MERCHANT_ContractVersion *res
      39              :     = (enum TALER_MERCHANT_ContractVersion *) spec->ptr;
      40              : 
      41              :   (void) cls;
      42          277 :   if (json_is_integer (root))
      43              :   {
      44          277 :     json_int_t version = json_integer_value (root);
      45              : 
      46          277 :     switch (version)
      47              :     {
      48          214 :     case 0:
      49          214 :       *res = TALER_MERCHANT_CONTRACT_VERSION_0;
      50          214 :       return GNUNET_OK;
      51           63 :     case 1:
      52           63 :       *res = TALER_MERCHANT_CONTRACT_VERSION_1;
      53           63 :       return GNUNET_OK;
      54              :     }
      55              : 
      56            0 :     GNUNET_break_op (0);
      57            0 :     return GNUNET_SYSERR;
      58              :   }
      59              : 
      60            0 :   if (json_is_null (root))
      61              :   {
      62            0 :     *res = TALER_MERCHANT_CONTRACT_VERSION_0;
      63            0 :     return GNUNET_OK;
      64              :   }
      65              : 
      66            0 :   GNUNET_break_op (0);
      67            0 :   return GNUNET_SYSERR;
      68              : }
      69              : 
      70              : 
      71              : struct GNUNET_JSON_Specification
      72          372 : TALER_MERCHANT_spec_contract_version (
      73              :   const char *name,
      74              :   enum TALER_MERCHANT_ContractVersion *version)
      75              : {
      76          372 :   struct GNUNET_JSON_Specification ret = {
      77              :     .parser = &parse_contract_version,
      78              :     .field = name,
      79              :     .ptr = version
      80              :   };
      81              : 
      82          372 :   *version = TALER_MERCHANT_CONTRACT_VERSION_0;
      83          372 :   return ret;
      84              : }