ObjFW  Diff

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

#include <sys/stat.h>





#import "OFString.h"
#import "OFString_UTF8.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFFile.h"
#import "OFURL.h"
#import "OFHTTPRequest.h"

- init
{
	return (id)[[OFString_UTF8 alloc] init];
}

- initWithUTF8String: (const char*)UTF8String
{
	id string;
	size_t length;
	void *storage;

	length = strlen(UTF8String);
	string = of_alloc_object([OFString_UTF8 class],
	    length + 1, 1, &storage);

	return (id)[string _initWithUTF8String: UTF8String
					length: length
				       storage: storage];
}

- initWithUTF8String: (const char*)UTF8String
	      length: (size_t)UTF8StringLength
{
	id string;
	void *storage;

	string = of_alloc_object([OFString_UTF8 class],
	    UTF8StringLength + 1, 1, &storage);

	return (id)[string _initWithUTF8String: UTF8String
					length: UTF8StringLength
				       storage: storage];
}

- initWithCString: (const char*)cString
	 encoding: (of_string_encoding_t)encoding
{
	if (encoding == OF_STRING_ENCODING_UTF_8) {
		id string;
		size_t length;
		void *storage;

		length = strlen(cString);
		string = of_alloc_object([OFString_UTF8 class],
		    length + 1, 1, &storage);

		return (id)[string _initWithUTF8String: cString
						length: length
					       storage: storage];
	}

	return (id)[[OFString_UTF8 alloc] initWithCString: cString
						 encoding: encoding];
}

- initWithCString: (const char*)cString
	 encoding: (of_string_encoding_t)encoding
	   length: (size_t)cStringLength
{
	if (encoding == OF_STRING_ENCODING_UTF_8) {
		id string;
		void *storage;

		string = of_alloc_object([OFString_UTF8 class],
		    cStringLength + 1, 1, &storage);

		return (id)[string _initWithUTF8String: cString
						length: cStringLength
					       storage: storage];
	}

	return (id)[[OFString_UTF8 alloc] initWithCString: cString
						 encoding: encoding
						   length: cStringLength];
}

- initWithString: (OFString*)string
{

	[new makeImmutable];

	return new;
}

- (BOOL)hasPrefix: (OFString*)prefix
{

	of_unichar_t *tmp;
	const of_unichar_t *prefixString;
	size_t prefixLength;
	int compare;

	if ((prefixLength = [prefix length]) > [self length])
		return NO;

	tmp = [self allocMemoryForNItems: prefixLength
				  ofSize: sizeof(of_unichar_t)];
	@try {
		OFAutoreleasePool *pool;

		[self getCharacters: tmp
			    inRange: of_range(0, prefixLength)];

		pool = [[OFAutoreleasePool alloc] init];

		prefixString = [prefix unicodeString];
		compare = memcmp(tmp, prefixString,
		    prefixLength * sizeof(of_unichar_t));

		[pool release];
	} @finally {
		[self freeMemory: tmp];
	}

	return !compare;
}

- (BOOL)hasSuffix: (OFString*)suffix
{

	of_unichar_t *tmp;
	const of_unichar_t *suffixString;
	size_t length, suffixLength;
	int compare;

	if ((suffixLength = [suffix length]) > [self length])
		return NO;

	length = [self length];

	tmp = [self allocMemoryForNItems: suffixLength
				  ofSize: sizeof(of_unichar_t)];
	@try {
		OFAutoreleasePool *pool;

		[self getCharacters: tmp
			    inRange: of_range(length - suffixLength,
					 suffixLength)];

		pool = [[OFAutoreleasePool alloc] init];

		suffixString = [suffix unicodeString];
		compare = memcmp(tmp, suffixString,
		    suffixLength * sizeof(of_unichar_t));

		[pool release];
	} @finally {
		[self freeMemory: tmp];
	}

	return !compare;
}

- (OFArray*)componentsSeparatedByString: (OFString*)delimiter
{
	return [self componentsSeparatedByString: delimiter
				       skipEmpty: NO];
}

- (OFArray*)componentsSeparatedByString: (OFString*)delimiter
			      skipEmpty: (BOOL)skipEmpty
{
	OFAutoreleasePool *pool;
	OFMutableArray *array = [OFMutableArray array];
	const of_unichar_t *string, *delimiterString;
	size_t length = [self length];
	size_t delimiterLength = [delimiter length];
	size_t i, last;
	OFString *component;

	pool = [[OFAutoreleasePool alloc] init];

	string = [self unicodeString];
	delimiterString = [delimiter unicodeString];

	if (delimiterLength > length) {
		[array addObject: [[self copy] autorelease]];
		[array makeImmutable];

		[pool release];

		return array;
	}

	for (i = 0, last = 0; i <= length - delimiterLength; i++) {
		if (memcmp(string + i, delimiterString,
		    delimiterLength * sizeof(of_unichar_t)))
			continue;

		component = [self substringWithRange: of_range(last, i - last)];
		if (!skipEmpty || ![component isEqual: @""])
			[array addObject: component];


		i += delimiterLength - 1;
		last = i + 1;
	}
	component = [self substringWithRange: of_range(last, length - last)];
	if (!skipEmpty || ![component isEqual: @""])
		[array addObject: component];


	[array makeImmutable];

	[pool release];

	return array;
}