/usr/include/gnucash/gnc-exp-parser.h is in gnucash-common 1:2.6.15-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* gnc-exp-parser.h -- Interface to expression parsing for GnuCash *
* Copyright (C) 2000 Dave Peticolas <dave@krondo.com> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
\********************************************************************/
#ifndef GNC_EXP_PARSER_H
#define GNC_EXP_PARSER_H
#include <glib.h>
#include "qof.h"
/**
* The errors which can be determined at the gnc-exp-parser level.
**/
typedef enum
{
NO_ERR,
VARIABLE_IN_EXP,
NUM_ERRORS
} GNCParseError;
/* Initialize the expression parser. If this function is not
* called before one of the other parsing routines (other than
* gnc_exp_parser_shutdown), it will be called if needed.
*/
void gnc_exp_parser_init (void);
/**
* The real init function, which takes an option to add the pre-defined vars
* to the variable table. This option is used by
* gnc_exp_parser_parse_seperate_vars [itself used by the Scheduled
* Transaction code] to parse without using any "predefined" application
* variables.
**/
void gnc_exp_parser_real_init( gboolean addPredefined );
/* Shutdown the expression parser and free any associated memory in the ParserState. */
void gnc_exp_parser_shutdown (void);
/* Undefine the variable name if it is already defined. */
void gnc_exp_parser_remove_variable (const char *variable_name);
/* Set the value of the variable to the given value. If the variable is
* not already defined, it will be after the call. */
void gnc_exp_parser_set_value (const char * variable_name,
gnc_numeric value);
/* Parse the given expression using the current variable definitions.
* If the parse was successful, return TRUE and, if value_p is
* non-NULL, return the value of the resulting expression in *value_p.
* Otherwise, return FALSE and *value_p is unchanged. If FALSE is
* returned and error_loc_p is non-NULL, *error_loc_p is set to the
* character in expression where parsing aborted. If TRUE is returned
* and error_loc_p is non-NULL, *error_loc_p is set to NULL. */
gboolean gnc_exp_parser_parse (const char * expression,
gnc_numeric *value_p,
char **error_loc_p );
/**
* Parses as per gnc_exp_parser_parse, but with an optional last argument
* dealing with a non-shared variable list and state, local to the expression
* being parsed. This is a hashTable of variable names mapping to
* gnc_numeric pointers.
*
* @note It is the CALLER'S RESPONSIBILITY to g_free() both the keys and
* values of varHash when done.
**/
gboolean gnc_exp_parser_parse_separate_vars (const char * expression,
gnc_numeric *value_p,
char **error_loc_p,
GHashTable *varHash );
/* If the last parse returned FALSE, return an error string describing
* the problem. Otherwise, return NULL. */
const char * gnc_exp_parser_error_string (void);
#endif
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