ObjFW  Diff

 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "config.h"

#include <stdarg.h>
#include <stdlib.h>
#include <string.h>

#import "OFString.h"
#import "OFMutableString.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "OFMacros.h"

@implementation OFString
+ string
{
	return [[[OFMutableString alloc] init] autorelease];

}

- lower
{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}

- (OFArray*)splitWithDelimiter: (OFString*)delimiter
{
	OFAutoreleasePool *pool;
	OFArray *array = [[OFArray alloc] init];
	const char *delim = [delimiter cString];
	size_t delim_len = [delimiter length];
	size_t i, last;

	@try {
		pool = [[OFAutoreleasePool alloc] init];
	} @catch (OFException *e) {
		[array release];
		@throw e;
	}

	@try {
		for (i = 0, last = 0; i <= length; i++) {
			if (OF_UNLIKELY(i == length ||
			    !memcmp(string + i, delim, delim_len))) {
				OFString *str;
				char *tmp;

				/*
				 * We can't use [self allocWithSize:] here as
				 * self might be a @""-literal.
				 */
				if ((tmp = malloc(i - last + 1)) == NULL)
					@throw [OFNoMemException
					    newWithClass: isa
						 andSize: i - last + 1];
				memcpy(tmp, string + last, i - last);
				tmp[i - last] = '\0';
				@try {
					str = [OFString stringWithCString: tmp];
				} @finally {
					free(tmp);
				}

				[array add: str];
				[pool releaseObjects];

				i += delim_len - 1;
				last = i + 1;
			}
		}
	} @catch (OFException *e) {
		[array release];
		@throw e;
	} @finally {
		[pool release];
	}

	return [array autorelease];
}
@end