Finished split into more logical components. Library now copies Headers to Build/RestKit and you can selectively link against the components your app needs. libRestKit.a contains everything from the core library.

Code/Support/NSString+InflectionSupport.m

@@ -0,0 +1,98 @@
+//
+//  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