| #import "DDNumber.h" |
| |
| |
| @implementation NSNumber (DDNumber) |
| |
| + (BOOL)parseString:(NSString *)str intoSInt64:(SInt64 *)pNum |
| { |
| if(str == nil) |
| { |
| *pNum = 0; |
| return NO; |
| } |
| |
| errno = 0; |
| |
| // On both 32-bit and 64-bit machines, long long = 64 bit |
| |
| *pNum = strtoll([str UTF8String], NULL, 10); |
| |
| if(errno != 0) |
| return NO; |
| else |
| return YES; |
| } |
| |
| + (BOOL)parseString:(NSString *)str intoUInt64:(UInt64 *)pNum |
| { |
| if(str == nil) |
| { |
| *pNum = 0; |
| return NO; |
| } |
| |
| errno = 0; |
| |
| // On both 32-bit and 64-bit machines, unsigned long long = 64 bit |
| |
| *pNum = strtoull([str UTF8String], NULL, 10); |
| |
| if(errno != 0) |
| return NO; |
| else |
| return YES; |
| } |
| |
| + (BOOL)parseString:(NSString *)str intoNSInteger:(NSInteger *)pNum |
| { |
| if(str == nil) |
| { |
| *pNum = 0; |
| return NO; |
| } |
| |
| errno = 0; |
| |
| // On LP64, NSInteger = long = 64 bit |
| // Otherwise, NSInteger = int = long = 32 bit |
| |
| *pNum = strtol([str UTF8String], NULL, 10); |
| |
| if(errno != 0) |
| return NO; |
| else |
| return YES; |
| } |
| |
| + (BOOL)parseString:(NSString *)str intoNSUInteger:(NSUInteger *)pNum |
| { |
| if(str == nil) |
| { |
| *pNum = 0; |
| return NO; |
| } |
| |
| errno = 0; |
| |
| // On LP64, NSUInteger = unsigned long = 64 bit |
| // Otherwise, NSUInteger = unsigned int = unsigned long = 32 bit |
| |
| *pNum = strtoul([str UTF8String], NULL, 10); |
| |
| if(errno != 0) |
| return NO; |
| else |
| return YES; |
| } |
| |
| @end |