configuration.h
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- /*****************************************************************************
- * configuration.h : configuration management module
- * This file describes the programming interface for the configuration module.
- * It includes functions allowing to declare, get or set configuration options.
- *****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: configuration.h 8803 2004-09-26 12:59:50Z gbazin $
- *
- * Authors: Gildas Bazin <gbazin@videolan.org>
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Macros used to build the configuration structure.
- *****************************************************************************/
- /* Configuration hint types */
- #define CONFIG_HINT_END 0x0001 /* End of config */
- #define CONFIG_HINT_CATEGORY 0x0002 /* Start of new category */
- #define CONFIG_HINT_SUBCATEGORY 0x0003 /* Start of sub-category */
- #define CONFIG_HINT_SUBCATEGORY_END 0x0004 /* End of sub-category */
- #define CONFIG_HINT_USAGE 0x0005 /* Usage information */
- #define CONFIG_HINT 0x000F
- /* Configuration item types */
- #define CONFIG_ITEM_STRING 0x0010 /* String option */
- #define CONFIG_ITEM_FILE 0x0020 /* File option */
- #define CONFIG_ITEM_MODULE 0x0030 /* Module option */
- #define CONFIG_ITEM_INTEGER 0x0040 /* Integer option */
- #define CONFIG_ITEM_BOOL 0x0050 /* Bool option */
- #define CONFIG_ITEM_FLOAT 0x0060 /* Float option */
- #define CONFIG_ITEM_DIRECTORY 0x0070 /* Directory option */
- #define CONFIG_ITEM_KEY 0x0080 /* Hot key option */
- #define CONFIG_ITEM 0x00F0
- struct module_config_t
- {
- int i_type; /* Configuration type */
- char *psz_type; /* Configuration subtype */
- char *psz_name; /* Option name */
- char i_short; /* Optional short option name */
- char *psz_text; /* Short comment on the configuration option */
- char *psz_longtext; /* Long comment on the configuration option */
- char *psz_value; /* Option value */
- int i_value; /* Option value */
- float f_value; /* Option value */
- int i_min; /* Option minimum value */
- int i_max; /* Option maximum value */
- float f_min; /* Option minimum value */
- float f_max; /* Option maximum value */
- /* Function to call when commiting a change */
- vlc_callback_t pf_callback;
- void *p_callback_data;
- /* Values list */
- char **ppsz_list; /* List of possible values for the option */
- int *pi_list; /* Idem for integers */
- char **ppsz_list_text; /* Friendly names for list values */
- int i_list; /* Options list size */
- /* Actions list */
- vlc_callback_t *ppf_action; /* List of possible actions for a config */
- char **ppsz_action_text; /* Friendly names for actions */
- int i_action; /* actions list size */
- /* Misc */
- vlc_mutex_t *p_lock; /* Lock to use when modifying the config */
- vlc_bool_t b_dirty; /* Dirty flag to indicate a config change */
- vlc_bool_t b_advanced; /* Flag to indicate an advanced option */
- /* Original option values */
- char *psz_value_orig;
- int i_value_orig;
- float f_value_orig;
- };
- /*****************************************************************************
- * Prototypes - these methods are used to get, set or manipulate configuration
- * data.
- *****************************************************************************/
- VLC_EXPORT( int, __config_GetType, (vlc_object_t *, const char *) );
- VLC_EXPORT( int, __config_GetInt, (vlc_object_t *, const char *) );
- VLC_EXPORT( void, __config_PutInt, (vlc_object_t *, const char *, int) );
- VLC_EXPORT( float, __config_GetFloat, (vlc_object_t *, const char *) );
- VLC_EXPORT( void, __config_PutFloat, (vlc_object_t *, const char *, float) );
- VLC_EXPORT( char *, __config_GetPsz, (vlc_object_t *, const char *) );
- VLC_EXPORT( void, __config_PutPsz, (vlc_object_t *, const char *, const char *) );
- VLC_EXPORT( int, __config_LoadCmdLine, ( vlc_object_t *, int *, char *[], vlc_bool_t ) );
- VLC_EXPORT( char *, config_GetHomeDir, ( void ) );
- VLC_EXPORT( int, __config_LoadConfigFile, ( vlc_object_t *, const char * ) );
- VLC_EXPORT( int, __config_SaveConfigFile, ( vlc_object_t *, const char * ) );
- VLC_EXPORT( void, __config_ResetAll, ( vlc_object_t * ) );
- VLC_EXPORT( module_config_t *, config_FindConfig,( vlc_object_t *, const char * ) );
- VLC_EXPORT( module_t *, config_FindModule,( vlc_object_t *, const char * ) );
- VLC_EXPORT( void, config_Duplicate, ( module_t *, module_config_t * ) );
- void config_Free ( module_t * );
- VLC_EXPORT( void, config_SetCallbacks, ( module_config_t *, module_config_t * ) );
- VLC_EXPORT( void, config_UnsetCallbacks, ( module_config_t * ) );
- #define config_GetType(a,b) __config_GetType(VLC_OBJECT(a),b)
- #define config_GetInt(a,b) __config_GetInt(VLC_OBJECT(a),b)
- #define config_PutInt(a,b,c) __config_PutInt(VLC_OBJECT(a),b,c)
- #define config_GetFloat(a,b) __config_GetFloat(VLC_OBJECT(a),b)
- #define config_PutFloat(a,b,c) __config_PutFloat(VLC_OBJECT(a),b,c)
- #define config_GetPsz(a,b) __config_GetPsz(VLC_OBJECT(a),b)
- #define config_PutPsz(a,b,c) __config_PutPsz(VLC_OBJECT(a),b,c)
- #define config_LoadCmdLine(a,b,c,d) __config_LoadCmdLine(VLC_OBJECT(a),b,c,d)
- #define config_LoadConfigFile(a,b) __config_LoadConfigFile(VLC_OBJECT(a),b)
- #define config_SaveConfigFile(a,b) __config_SaveConfigFile(VLC_OBJECT(a),b)
- #define config_ResetAll(a) __config_ResetAll(VLC_OBJECT(a))
- /* internal only */
- int config_CreateDir( vlc_object_t *, char * );
- /*****************************************************************************
- * Macros used to build the configuration structure.
- *
- * Note that internally we support only 3 types of config data: int , float
- * and string.
- * The other types declared here just map to one of these 3 basic types but
- * have the advantage of also providing very good hints to a configuration
- * interface so as to make it more user friendly.
- * The configuration structure also includes category hints. These hints can
- * provide a configuration interface with some very useful data and again
- * allow for a more user friendly interface.
- *****************************************************************************/
- #define add_category_hint( text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_HINT_CATEGORY, NULL, NULL, ' ', text, longtext }; p_config[ i_config ] = tmp; p_config[i_config].b_advanced = advc; }
- #define add_subcategory_hint( text, longtext )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_HINT_SUBCATEGORY, NULL, NULL, ' ', text, longtext }; p_config[ i_config ] = tmp; }
- #define end_subcategory_hint
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_HINT_SUBCATEGORY_END, NULL, NULL, ' ' }; p_config[ i_config ] = tmp; }
- #define add_usage_hint( text )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_HINT_USAGE, NULL, NULL, ' ', text }; p_config[ i_config ] = tmp; }
- #define add_string( name, psz_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_STRING, NULL, name, ' ', text, longtext, psz_value }; tmp.b_advanced = advc; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; }
- #define add_file( name, psz_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_FILE, NULL, name, ' ', text, longtext, psz_value, 0, 0 }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_directory( name, psz_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_DIRECTORY, NULL, name, ' ', text, longtext, psz_value, 0, 0 }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_module( name, psz_caps, psz_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_MODULE, psz_caps, name, ' ', text, longtext, psz_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_integer( name, i_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_INTEGER, NULL, name, ' ', text, longtext, NULL, i_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_key( name, i_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_KEY, NULL, name, ' ', text, longtext, NULL, i_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_integer_with_range( name, i_value, i_min, i_max, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_INTEGER, NULL, name, ' ', text, longtext, NULL, i_value, 0, i_min, i_max }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_float( name, f_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_FLOAT, NULL, name, ' ', text, longtext, NULL, 0, f_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_float_with_range( name, f_value, f_min, f_max, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_FLOAT, NULL, name, ' ', text, longtext, NULL, 0, f_value, 0, 0, f_min, f_max }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- #define add_bool( name, b_value, p_callback, text, longtext, advc )
- i_config++;
- if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config,
- (i_config+11) * sizeof(module_config_t));
- { static module_config_t tmp = { CONFIG_ITEM_BOOL, NULL, name, ' ', text, longtext, NULL, b_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
- /* Modifier macros for the config options (used for fine tuning) */
- #define change_short( ch )
- p_config[i_config].i_short = ch;
- #define change_string_list( list, list_text, list_update_func )
- p_config[i_config].i_list = sizeof(list)/sizeof(char *);
- p_config[i_config].ppsz_list = list;
- p_config[i_config].ppsz_list_text = list_text;
- #define change_integer_list( list, list_text, list_update_func )
- p_config[i_config].i_list = sizeof(list)/sizeof(int);
- p_config[i_config].pi_list = list;
- p_config[i_config].ppsz_list_text = list_text;
- #define change_integer_range( min, max )
- p_config[i_config].i_min = min;
- p_config[i_config].i_max = max;
- #define change_float_range( min, max )
- p_config[i_config].f_min = min;
- p_config[i_config].f_max = max;
- #define change_action_add( pf_action, action_text )
- if( !p_config[i_config].i_action )
- { p_config[i_config].ppsz_action_text = 0;
- p_config[i_config].ppf_action = 0; }
- p_config[i_config].ppf_action = (vlc_callback_t *)
- realloc( p_config[i_config].ppf_action,
- (p_config[i_config].i_action + 1) * sizeof(void *) );
- p_config[i_config].ppsz_action_text = (char **)
- realloc( p_config[i_config].ppsz_action_text,
- (p_config[i_config].i_action + 1) * sizeof(void *) );
- p_config[i_config].ppf_action[p_config[i_config].i_action] = pf_action;
- p_config[i_config].ppsz_action_text[p_config[i_config].i_action] =
- action_text;
- p_config[i_config].i_action++;