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/* |
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* prefs.cpp - Preferences handling |
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* |
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* Basilisk II (C) 1997-2000 Christian Bauer |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* Initialize preferences |
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*/ |
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void PrefsInit(int argc, char **argv) |
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void PrefsInit(int &argc, char **&argv) |
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{ |
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// Set defaults |
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AddPrefsDefaults(); |
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// Load preferences from settings file |
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LoadPrefs(); |
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|
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// Override prefs with command line arguments |
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argc--; argv++; |
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for (; argc>0; argc--, argv++) { |
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|
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// Arguments are of the form '--keyword' |
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if (strlen(*argv) < 3 || argv[0][0] != '-' || argv[0][1] != '-') { |
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printf("WARNING: Unrecognized argument '%s'\n", *argv); |
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// Override prefs with command line options |
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for (int i=1; i<argc; i++) { |
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|
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// Options are of the form '--keyword' |
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const char *option = argv[i]; |
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if (strlen(option) < 3 || option[0] != '-' || option[1] != '-') |
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continue; |
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} |
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const char *keyword = *argv + 2; |
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const char *keyword = option + 2; |
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|
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// Find descriptor for keyword |
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const prefs_desc *d = find_prefs_desc(keyword); |
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if (d == NULL) { |
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printf("WARNING: Unrecognized argument '%s'\n", *argv); |
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if (d == NULL) |
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continue; |
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argv[i] = NULL; |
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|
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// Get value |
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i++; |
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if (i >= argc) { |
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fprintf(stderr, "Option '%s' must be followed by a value\n", option); |
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continue; |
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} |
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const char *value = argv[i]; |
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argv[i] = NULL; |
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|
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// Add/replace prefs item |
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switch (d->type) { |
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case TYPE_STRING: |
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if (argc < 2) { |
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printf("WARNING: Argument '%s' must be followed by value\n", *argv); |
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break; |
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} |
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argc--; argv++; |
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if (d->multiple) |
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PrefsAddString(keyword, *argv); |
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PrefsAddString(keyword, value); |
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else |
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PrefsReplaceString(keyword, *argv); |
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PrefsReplaceString(keyword, value); |
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break; |
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|
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case TYPE_BOOLEAN: |
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if (argc > 1 && argv[1][0] != '-') { |
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argc--; argv++; |
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PrefsReplaceBool(keyword, !strcmp(*argv, "true") || !strcmp(*argv, "on")); |
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} else |
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case TYPE_BOOLEAN: { |
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if (!strcmp(value, "true") || !strcmp(value, "on") || !strcmp(value, "yes")) |
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PrefsReplaceBool(keyword, true); |
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else if (!strcmp(value, "false") || !strcmp(value, "off") || !strcmp(value, "no")) |
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PrefsReplaceBool(keyword, false); |
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else |
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fprintf(stderr, "Value for option '%s' must be 'true' or 'false'\n", option); |
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break; |
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} |
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|
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case TYPE_INT32: |
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if (argc < 2) { |
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printf("WARNING: Argument '%s' must be followed by value\n", *argv); |
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break; |
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} |
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argc--; argv++; |
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PrefsReplaceInt32(keyword, atoi(*argv)); |
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PrefsReplaceInt32(keyword, atoi(value)); |
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break; |
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default: |
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break; |
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} |
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} |
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|
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// Remove processed arguments |
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for (int i=1; i<argc; i++) { |
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int k; |
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for (k=i; k<argc; k++) |
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if (argv[k] != NULL) |
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break; |
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if (k > i) { |
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k -= i; |
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for (int j=i+k; j<argc; j++) |
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argv[j-k] = argv[j]; |
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argc -= k; |
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} |
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} |
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} |
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|
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} |
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/* |
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* Print preferences options help |
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*/ |
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|
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static void print_options(const prefs_desc *list) |
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{ |
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while (list->type != TYPE_END) { |
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if (list->help) { |
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const char *typestr, *defstr; |
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char numstr[32]; |
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switch (list->type) { |
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case TYPE_STRING: |
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typestr = "STRING"; |
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defstr = PrefsFindString(list->name); |
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if (defstr == NULL) |
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defstr = "none"; |
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break; |
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case TYPE_BOOLEAN: |
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typestr = "BOOL"; |
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if (PrefsFindBool(list->name)) |
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defstr = "true"; |
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else |
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defstr = "false"; |
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break; |
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case TYPE_INT32: |
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typestr = "NUMBER"; |
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sprintf(numstr, "%d", PrefsFindInt32(list->name)); |
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defstr = numstr; |
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break; |
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default: |
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typestr = "<unknown>"; |
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defstr = "none"; |
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break; |
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} |
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printf(" --%s %s\n %s [default=%s]\n", list->name, typestr, list->help, defstr); |
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} |
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list++; |
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} |
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} |
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|
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void PrefsPrintUsage(void) |
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{ |
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printf("\nGeneral options:\n"); |
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print_options(common_prefs_items); |
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printf("\nPlatform-specific options:\n"); |
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print_options(platform_prefs_items); |
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printf("\nBoolean options are specified as '--OPTION true|on|yes' or\n'--OPTION false|off|no'.\n"); |
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} |
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|
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|
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/* |
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* Find preferences descriptor by keyword |
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*/ |
