mirror of
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111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2022 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _H_COMMON_OPTION_
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#define _H_COMMON_OPTION_
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#include <stdbool.h>
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#include <stdio.h>
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#include "common/stringlist.h"
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enum OptionType
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{
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OPTION_TYPE_NONE = 0,
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OPTION_TYPE_INT,
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OPTION_TYPE_STRING,
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OPTION_TYPE_BOOL,
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OPTION_TYPE_FLOAT,
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OPTION_TYPE_CUSTOM
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};
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enum doHelpMode
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{
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DOHELP_MODE_NO = 0,
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DOHELP_MODE_YES,
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DOHELP_MODE_RST
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};
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struct Option;
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struct Option
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{
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char * module;
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char * name;
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char * description;
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const char shortopt;
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bool preset;
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enum OptionType type;
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union
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{
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int x_int;
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char * x_string;
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bool x_bool;
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float x_float;
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void * x_custom;
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}
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value;
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bool (*parser )(struct Option * opt, const char * str);
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bool (*validator)(struct Option * opt, const char ** error);
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char * (*toString )(struct Option * opt);
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StringList (*getValues)(struct Option * opt);
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void (*printHelp)(void);
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// internal use only
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bool failed_set;
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};
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// register an NULL terminated array of options
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bool option_register(struct Option options[]);
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// lookup the value of an option
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struct Option * option_get (const char * module, const char * name);
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int option_get_int (const char * module, const char * name);
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const char * option_get_string(const char * module, const char * name);
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bool option_get_bool (const char * module, const char * name);
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float option_get_float (const char * module, const char * name);
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// update the value of an option
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void option_set_int (const char * module, const char * name, int value);
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void option_set_string(const char * module, const char * name, const char * value);
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void option_set_bool (const char * module, const char * name, bool value);
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void option_set_float (const char * module, const char * name, float value);
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// called by the main application to parse the command line arguments
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bool option_parse(int argc, char * argv[]);
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// called by the main application to load configuration from a file
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bool option_load(const char * filename);
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// called by the main application to validate the option values
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bool option_validate(void);
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// print out the options, help, and their current values
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void option_print(void);
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// dump preset options in ini format into the file
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bool option_dump_preset(FILE * file);
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// final cleanup
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void option_free(void);
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#endif
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