89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2020 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file yna.c
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* @brief Utility functions for yes/no/all filters
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* @author Jonathan Buchanan
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*/
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#include "platform.h"
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#include "taler_util.h"
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/**
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* Convert query argument to @a yna value.
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*
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* @param connection connection to take query argument from
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* @param arg argument to try for
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* @param default_val value to assign if the argument is not present
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* @param[out] value to set
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* @return true on success, false if the parameter was malformed
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*/
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bool
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TALER_arg_to_yna (struct MHD_Connection *connection,
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const char *arg,
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enum TALER_EXCHANGE_YesNoAll default_val,
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enum TALER_EXCHANGE_YesNoAll *yna)
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{
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const char *str;
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str = MHD_lookup_connection_value (connection,
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MHD_GET_ARGUMENT_KIND,
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arg);
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if (NULL == str)
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{
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*yna = default_val;
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return true;
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}
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if (0 == strcasecmp (str, "yes"))
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{
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*yna = TALER_EXCHANGE_YNA_YES;
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return true;
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}
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if (0 == strcasecmp (str, "no"))
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{
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*yna = TALER_EXCHANGE_YNA_NO;
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return true;
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}
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if (0 == strcasecmp (str, "all"))
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{
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*yna = TALER_EXCHANGE_YNA_ALL;
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return true;
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}
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return false;
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}
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/**
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* Convert YNA value to a string.
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*
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* @param yna value to convert
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* @return string representation ("yes"/"no"/"all").
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*/
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const char *
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TALER_yna_to_string (enum TALER_EXCHANGE_YesNoAll yna)
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{
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switch (yna)
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{
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case TALER_EXCHANGE_YNA_YES:
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return "yes";
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case TALER_EXCHANGE_YNA_NO:
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return "no";
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case TALER_EXCHANGE_YNA_ALL:
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return "all";
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}
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GNUNET_assert (0);
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}
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