1 files changed, 0 insertions, 72 deletions
diff --git a/tikzit-old/src/common/NSString+Tikz.m b/tikzit-old/src/common/NSString+Tikz.m
deleted file mode 100644
index 1e3073b..0000000
--- a/tikzit-old/src/common/NSString+Tikz.m
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright 2013  Alex Merry <alex.merry@kdemail.net>
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#import "NSString+Tikz.h"
-#import "TikzGraphAssembler.h"
-
-@implementation NSString (Tikz)
-
-- (NSString*) tikzEscapedString {
-	static NSCharacterSet *avoid = nil;
-	if (avoid == nil)
-#if __has_feature(objc_arc)
-        avoid = [[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>-'0123456789. "] invertedSet];
-#else
-    avoid = [[[NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ<>-'0123456789. "] invertedSet] retain];
-#endif
-
-
-	if ([self rangeOfCharacterFromSet:avoid].length > 0) {
-		return [NSString stringWithFormat:@"{%@}", self];
-	} else {
-#if __has_feature(objc_arc)
-        return self;
-#else
-		return [[self retain] autorelease];
-#endif
-	}
-}
-
-- (BOOL) isValidTikzPropertyNameOrValue {
-	NSUInteger length = [self length];
-	unsigned int brace_depth = 0;
-	unsigned int escape = 0;
-	for (NSUInteger i = 0; i < length; ++i) {
-		unichar c = [self characterAtIndex:i];
-
-		if (escape) {
-			escape = 0;
-		} else if (c == '\\') {
-			escape = 1;
-		} else if (c == '{') {
-			brace_depth++;
-		} else if (c == '}') {
-			if (brace_depth == 0)
-				return NO;
-			brace_depth--;
-		}
-	}
-	return !escape && brace_depth == 0;
-}
-
-- (BOOL) isValidAnchor {
-	return [TikzGraphAssembler validateTikzEdgeAnchor:self];
-}
-
-@end
-
-// vi:ft=objc:noet:ts=4:sts=4:sw=4