text: /*-
   * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   *
   * Copyright (c) 2019 Tobias Kortkamp <tobik@FreeBSD.org>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include "config.h"
  
  #include <regex.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  
  #include <libias/array.h>
  #include <libias/util.h>
  
  #include "parser.h"
  #include "parser/edits.h"
  #include "token.h"
  #include "variable.h"
  
  PARSER_EDIT(output_variable_value)
  {
  	struct ParserEditOutput *param = userdata;
  	if (param == NULL) {
  		*error = PARSER_ERROR_INVALID_ARGUMENT;
  		*error_msg = str_printf("missing parameter");
  		return NULL;
  	}
  
  	param->found = 0;
  
  	ARRAY_FOREACH(ptokens, struct Token *, t) {
  		switch (token_type(t)) {
  		case VARIABLE_START:
  			if ((param->keyfilter == NULL || param->keyfilter(parser, variable_name(token_variable(t)), param->keyuserdata))) {
  				param->found = 1;
  			}
  			break;
  		case VARIABLE_TOKEN:
  			if (param->found && token_data(t) &&
  			    (param->keyfilter == NULL || param->keyfilter(parser, variable_name(token_variable(t)), param->keyuserdata)) &&
  			    (param->filter == NULL || param->filter(parser, token_data(t), param->filteruserdata))) {
  				param->found = 1;
  				if (param->callback) {
  					param->callback(variable_name(token_variable(t)), token_data(t), NULL, param->callbackuserdata);
  				}
  			}
  			break;
  		default:
  			break;
  		}
  	}
  
  	return NULL;
  }
  
  