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NSString+InflectionSupport.m
98 lines (79 loc) · 2.47 KB
/
NSString+InflectionSupport.m
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//
// NSString+InflectionSupport.m
//
//
// Created by Ryan Daigle on 7/31/08.
// Copyright 2008 yFactorial, LLC. All rights reserved.
//
#import "NSString+InflectionSupport.h"
@implementation NSString (InflectionSupport)
- (NSCharacterSet *)capitals {
return [NSCharacterSet uppercaseLetterCharacterSet];
}
- (NSString *)deCamelizeWith:(NSString *)delimiter {
unichar *buffer = calloc([self length], sizeof(unichar));
[self getCharacters:buffer ];
NSMutableString *underscored = [NSMutableString string];
NSString *currChar;
for (int i = 0; i < [self length]; i++) {
currChar = [NSString stringWithCharacters:buffer+i length:1];
if([[self capitals] characterIsMember:buffer[i]]) {
if (0 != i) {
[underscored appendFormat:@"%@%@", delimiter, [currChar lowercaseString]];
} else {
[underscored appendFormat:@"%@", [currChar lowercaseString]];
}
} else {
[underscored appendString:currChar];
}
}
free(buffer);
return underscored;
}
- (NSString *)dasherize {
return [self deCamelizeWith:@"-"];
}
- (NSString *)underscore {
return [self deCamelizeWith:@"_"];
}
- (NSCharacterSet *)camelcaseDelimiters {
return [NSCharacterSet characterSetWithCharactersInString:@"-_"];
}
- (NSString *)camelize {
unichar *buffer = calloc([self length], sizeof(unichar));
[self getCharacters:buffer ];
NSMutableString *underscored = [NSMutableString string];
BOOL capitalizeNext = NO;
NSCharacterSet *delimiters = [self camelcaseDelimiters];
for (int i = 0; i < [self length]; i++) {
NSString *currChar = [NSString stringWithCharacters:buffer+i length:1];
if([delimiters characterIsMember:buffer[i]]) {
capitalizeNext = YES;
} else {
if(capitalizeNext) {
[underscored appendString:[currChar uppercaseString]];
capitalizeNext = NO;
} else {
[underscored appendString:currChar];
}
}
}
free(buffer);
return underscored;
}
- (NSString *)titleize {
NSArray *words = [self componentsSeparatedByString:@" "];
NSMutableString *output = [NSMutableString string];
for (NSString *word in words) {
[output appendString:[[word substringToIndex:1] uppercaseString]];
[output appendString:[[word substringFromIndex:1] lowercaseString]];
[output appendString:@" "];
}
return [output substringToIndex:[self length]];
}
- (NSString *)toClassName {
NSString *result = [self camelize];
return [result stringByReplacingCharactersInRange:NSMakeRange(0,1)
withString:[[result substringWithRange:NSMakeRange(0,1)] uppercaseString]];
}
@end