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Rewrote escapedForCards so it's 10 times faster.

pull/12/head
Ludovic Marcotte 2013-06-14 14:58:16 -04:00
parent afb7bc309c
commit f25344182d
1 changed files with 34 additions and 13 deletions
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47
SOPE/NGCards/NSString+NGCards.m
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@ -155,20 +155,41 @@
- (NSString *) escapedForCards
{
NSString *string;
NSMutableString *string;
unsigned int len, i;
unichar c;
string = [self stringByReplacingString: @"\\"
withString: @"\\\\"];
string = [string stringByReplacingString: @","
withString: @"\\,"];
// string = [string stringByReplacingString: @":"
// withString: @"\\:"];
string = [string stringByReplacingString: @";"
withString: @"\\;"];
string = [string stringByReplacingString: @"\n"
withString: @"\\n"];
string = [string stringByReplacingString: @"\r"
withString: @"\\r"];
len = [self length];
string = [NSMutableString stringWithCapacity: len * 1.5];
for (i = 0; i < len; i++)
{
c = [self characterAtIndex: i];
switch (c)
{
case '\\':
[string appendString: @"\\\\"];
break;
case ',':
[string appendString: @"\\,"];
break;
//case ':':
// [string appendString: @"\\:"];
//break;
case ';':
[string appendString: @"\\;"];
break;
case'\n':
[string appendString: @"\\n"];
break;
case'\r':
[string appendString: @"\\r"];
break;
default:
[string appendFormat: @"%C", c];
}
}
return string;
}