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Preferences.m
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Preferences.m
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/*
Copyright (C) 2020 Anthony Cohn-Richardby
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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <Foundation/Foundation.h>
#include <Preferences.h>
#define KEY_INDENTATION @"identationSym"
#define KEY_TABWIDTH @"tabWidth"
#define KEY_AUTOINDENT @"autoindent"
static NSString *indentation;
static int lenForTabWidth(TabWidth tw) {
switch (tw) {
case TabWidthTwo: return 2;
case TabWidthFour: return 4;
case TabWidthEight: return 8;
}
}
static void calculateIndentation() {
char *str;
int len;
TabWidth tw = [[NSUserDefaults standardUserDefaults] integerForKey: KEY_TABWIDTH];
IndentationType it = [[NSUserDefaults standardUserDefaults]
integerForKey: KEY_INDENTATION];
[indentation release];
switch (it) {
case IndentationTypeTabs:
indentation = [[NSString alloc] initWithCString: "\t"];
break;
case IndentationTypeSpaces:
len = lenForTabWidth(tw);
str = malloc(len + 1);
for (int i = 0; i < len; i++) {
str[i] = ' ';
}
str[len] = '\0';
indentation = [[NSString alloc] initWithCString: str];
free(str);
break;
}
}
@implementation Preferences
+(NSString*)indentation {
if (indentation == nil) {
calculateIndentation();
}
return indentation;
}
+(int)tabWidthSpaces {
return lenForTabWidth([self tabWidth]);
}
+(BOOL)autoIndentEnabled {
return [[NSUserDefaults standardUserDefaults] boolForKey: KEY_AUTOINDENT];
}
+(TabWidth)tabWidth {
return [[NSUserDefaults standardUserDefaults] integerForKey: KEY_TABWIDTH];
}
+(IndentationType)indentationType {
return [[NSUserDefaults standardUserDefaults] integerForKey: KEY_INDENTATION];
}
+(void)setAutoIndentEnabled: (BOOL)newValue {
[[NSUserDefaults standardUserDefaults] setBool: newValue forKey: KEY_AUTOINDENT];
}
+(void)setIndentationType: (IndentationType)newValue {
[[NSUserDefaults standardUserDefaults] setInteger: newValue
forKey: KEY_INDENTATION];
calculateIndentation();
}
+(void)setTabWidth: (TabWidth)newValue {
[[NSUserDefaults standardUserDefaults] setInteger: newValue
forKey: KEY_TABWIDTH];
calculateIndentation();
}
@end