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68 lines
2.9 KiB
C
68 lines
2.9 KiB
C
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010-2011 - Hans-Kristian Arntzen
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*
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* Some code herein may be based on code found in BSNES.
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*
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* SSNES is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with SSNES.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __CONFIG_FILE_H
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#define __CONFIG_FILE_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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typedef struct config_file config_file_t;
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/////
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// Config file format
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// - # are treated as comments. Rest of the line is ignored.
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// - Format is: key = value. There can be as many spaces as you like in-between.
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// - Value can be wrapped inside "" for multiword strings. (foo = "hai u")
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// Loads a config file. Returns NULL if file doesn't exist. NULL path will create an empty config file.
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config_file_t *config_file_new(const char *path);
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// Frees config file.
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void config_file_free(config_file_t *conf);
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// All extract functions return true when value is valid and exists. Returns false otherwise.
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// Extracts a double from config file.
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bool config_get_double(config_file_t *conf, const char *entry, double *in);
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// Extracts an int from config file.
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bool config_get_int(config_file_t *conf, const char *entry, int *in);
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// Extracts a single char. If value consists of several chars, this is an error.
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bool config_get_char(config_file_t *conf, const char *entry, char *in);
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// Extracts an allocated string in *in. This must be free()-d if this function succeeds.
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bool config_get_string(config_file_t *conf, const char *entry, char **in);
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// Extracts a boolean from config. Valid boolean true are "true" and "1". Valid false are "false" and "0". Other values will be treated as an error.
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bool config_get_bool(config_file_t *conf, const char *entry, bool *in);
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// Setters. Similiar to the getters.
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void config_set_double(config_file_t *conf, const char *entry, double value);
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void config_set_int(config_file_t *conf, const char *entry, int val);
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void config_set_char(config_file_t *conf, const char *entry, char val);
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void config_set_string(config_file_t *conf, const char *entry, const char *val);
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void config_set_bool(config_file_t *conf, const char *entry, bool val);
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// Write the current config to a file.
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bool config_file_write(config_file_t *conf, const char *path);
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// Dump the current config to an already opened file. Does not close the file.
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void config_file_dump(config_file_t *conf, FILE *file);
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#endif
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