ObjFW  Check-in [67917b918a]

       OFDataArray.m		\
       OFDictionary.m		\
       OFExceptions.m		\
       OFFile.m			\
       OFHash.m			\
       OFEnumerator.m		\
       OFList.m			\
       OFMD5Hash.m		\
       OFMutableArray.m		\
       OFMutableDictionary.m	\
       OFMutableString.m	\
       OFNumber.m		\
       OFObject.m		\
       ${OFPLUGIN_M}		\
       OFSeekableStream.m	\
       OFSHA1Hash.m		\
       OFSocket.m		\
       OFStream.m		\
       OFString.m		\
       OFString+Hashing.m	\
       OFString+URLEncoding.m	\
       OFString+XMLEscaping.m	\
       OFString+XMLUnescaping.m	\
       OFTCPSocket.m		\
       ${OFTHREAD_M}		\
       OFXMLAttribute.m		\
       OFXMLElement.m		\
       OFXMLParser.m		\
       unicode.m

INCLUDES := ${SRCS:.m=.h}	\
	    ObjFW.h		\
	    asprintf.h		\

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFObject.h"







/**
 * \brief A base class for classes providing hash functions.
 */
@interface OFHash: OFObject
{
	BOOL	 calculated;

- (uint8_t*)digest;

/**
 * \return A boolean whether the hash has already been calculated
 */
- (BOOL)calculated;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"



#import "OFHash.h"

#import "OFExceptions.h"




@implementation OFHash
- (void)updateWithBuffer: (const char*)buffer
		  ofSize: (size_t)size
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (uint8_t*)digest
{
	@throw [OFNotImplementedException newWithClass: isa
					      selector: _cmd];
}

- (BOOL)calculated
{
	return calculated;
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFHash.h"

#define OF_MD5_DIGEST_SIZE  16

/**
 * \brief A class which provides functions to create an MD5 hash.
 */
@interface OFMD5Hash: OFHash
{
	uint32_t buf[4];
	uint32_t bits[2];
	uint8_t	 in[64];
}

/**
 * \return A new autoreleased MD5 Hash
 */
+ md5Hash;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFMD5Hash.h"
#import "OFExceptions.h"
#import "macros.h"

/* The four MD5 core functions - F1 is optimized somewhat */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
	(w += f(x, y, z) + data, w = w << s | w >> (32 - s), w += x)

static void
md5_transform(uint32_t buf[4], const uint32_t in[16])
{
	register uint32_t a, b, c, d;

	a = buf[0];
	b = buf[1];
	c = buf[2];
	d = buf[3];

	MD5STEP(F1, a, b, c, d, in[0]  + 0xD76AA478, 7);
	MD5STEP(F1, d, a, b, c, in[1]  + 0xE8C7B756, 12);
	MD5STEP(F1, c, d, a, b, in[2]  + 0x242070DB, 17);
	MD5STEP(F1, b, c, d, a, in[3]  + 0xC1BDCEEE, 22);
	MD5STEP(F1, a, b, c, d, in[4]  + 0xF57C0FAF, 7);
	MD5STEP(F1, d, a, b, c, in[5]  + 0x4787C62A, 12);
	MD5STEP(F1, c, d, a, b, in[6]  + 0xA8304613, 17);
	MD5STEP(F1, b, c, d, a, in[7]  + 0xFD469501, 22);
	MD5STEP(F1, a, b, c, d, in[8]  + 0x698098D8, 7);
	MD5STEP(F1, d, a, b, c, in[9]  + 0x8B44F7AF, 12);
	MD5STEP(F1, c, d, a, b, in[10] + 0xFFFF5BB1, 17);
	MD5STEP(F1, b, c, d, a, in[11] + 0x895CD7Be, 22);
	MD5STEP(F1, a, b, c, d, in[12] + 0x6B901122, 7);
	MD5STEP(F1, d, a, b, c, in[13] + 0xFD987193, 12);
	MD5STEP(F1, c, d, a, b, in[14] + 0xA679438e, 17);
	MD5STEP(F1, b, c, d, a, in[15] + 0x49B40821, 22);

	MD5STEP(F2, a, b, c, d, in[1]  + 0xF61E2562, 5);
	MD5STEP(F2, d, a, b, c, in[6]  + 0xC040B340, 9);
	MD5STEP(F2, c, d, a, b, in[11] + 0x265E5A51, 14);
	MD5STEP(F2, b, c, d, a, in[0]  + 0xE9B6C7AA, 20);
	MD5STEP(F2, a, b, c, d, in[5]  + 0xD62F105D, 5);
	MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
	MD5STEP(F2, c, d, a, b, in[15] + 0xD8A1E681, 14);
	MD5STEP(F2, b, c, d, a, in[4]  + 0xE7D3FBC8, 20);
	MD5STEP(F2, a, b, c, d, in[9]  + 0x21E1CDE6, 5);
	MD5STEP(F2, d, a, b, c, in[14] + 0xC33707D6, 9);
	MD5STEP(F2, c, d, a, b, in[3]  + 0xF4D50D87, 14);
	MD5STEP(F2, b, c, d, a, in[8]  + 0x455A14ED, 20);
	MD5STEP(F2, a, b, c, d, in[13] + 0xA9E3E905, 5);
	MD5STEP(F2, d, a, b, c, in[2]  + 0xFCEFA3F8, 9);
	MD5STEP(F2, c, d, a, b, in[7]  + 0x676F02D9, 14);
	MD5STEP(F2, b, c, d, a, in[12] + 0x8D2A4C8a, 20);

	MD5STEP(F3, a, b, c, d, in[5]  + 0xFFFA3942, 4);
	MD5STEP(F3, d, a, b, c, in[8]  + 0x8771F681, 11);
	MD5STEP(F3, c, d, a, b, in[11] + 0x6D9D6122, 16);
	MD5STEP(F3, b, c, d, a, in[14] + 0xFDE5380c, 23);
	MD5STEP(F3, a, b, c, d, in[1]  + 0xA4BEEA44, 4);
	MD5STEP(F3, d, a, b, c, in[4]  + 0x4BDECFA9, 11);
	MD5STEP(F3, c, d, a, b, in[7]  + 0xF6BB4B60, 16);
	MD5STEP(F3, b, c, d, a, in[10] + 0xBEBFBC70, 23);
	MD5STEP(F3, a, b, c, d, in[13] + 0x289B7EC6, 4);
	MD5STEP(F3, d, a, b, c, in[0]  + 0xEAA127FA, 11);
	MD5STEP(F3, c, d, a, b, in[3]  + 0xD4EF3085, 16);
	MD5STEP(F3, b, c, d, a, in[6]  + 0x04881D05, 23);
	MD5STEP(F3, a, b, c, d, in[9]  + 0xD9D4D039, 4);
	MD5STEP(F3, d, a, b, c, in[12] + 0xE6DB99E5, 11);
	MD5STEP(F3, c, d, a, b, in[15] + 0x1FA27CF8, 16);
	MD5STEP(F3, b, c, d, a, in[2]  + 0xC4AC5665, 23);

	MD5STEP(F4, a, b, c, d, in[0]  + 0xF4292244, 6);
	MD5STEP(F4, d, a, b, c, in[7]  + 0x432AFF97, 10);
	MD5STEP(F4, c, d, a, b, in[14] + 0xAB9423A7, 15);
	MD5STEP(F4, b, c, d, a, in[5]  + 0xFC93A039, 21);
	MD5STEP(F4, a, b, c, d, in[12] + 0x655B59C3, 6);
	MD5STEP(F4, d, a, b, c, in[3]  + 0x8F0CCC92, 10);
	MD5STEP(F4, c, d, a, b, in[10] + 0xFFEFF47d, 15);
	MD5STEP(F4, b, c, d, a, in[1]  + 0x85845DD1, 21);
	MD5STEP(F4, a, b, c, d, in[8]  + 0x6FA87E4F, 6);
	MD5STEP(F4, d, a, b, c, in[15] + 0xFE2CE6E0, 10);
	MD5STEP(F4, c, d, a, b, in[6]  + 0xA3014314, 15);
	MD5STEP(F4, b, c, d, a, in[13] + 0x4E0811A1, 21);
	MD5STEP(F4, a, b, c, d, in[4]  + 0xF7537E82, 6);
	MD5STEP(F4, d, a, b, c, in[11] + 0xBD3AF235, 10);
	MD5STEP(F4, c, d, a, b, in[2]  + 0x2AD7D2BB, 15);
	MD5STEP(F4, b, c, d, a, in[9]  + 0xEB86D391, 21);

	buf[0] += a;
	buf[1] += b;
	buf[2] += c;
	buf[3] += d;
}

@implementation OFMD5Hash
+ md5Hash
{
	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	buf[0] = 0x67452301;
	buf[1] = 0xEFCDAB89;
	buf[2] = 0x98BADCFE;
	buf[3] = 0x10325476;

	return self;
}

- (void)updateWithBuffer: (const char*)buffer
		  ofSize: (size_t)size
{
	uint32_t t;

	if (size == 0)
		return;

	if (calculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];

	/* Update bitcount */
	t = bits[0];
	if ((bits[0] = t + ((uint32_t)size << 3)) < t)
		/* Carry from low to high */
		bits[1]++;
	bits[1] += size >> 29;

	/* Bytes already in shsInfo->data */
	t = (t >> 3) & 0x3F;

	/* Handle any leading odd-sized chunks */
	if (t) {
		uint8_t *p = in + t;

		t = 64 - t;

		if (size < t) {
			memcpy(p, buffer, size);
			return;
		}

		memcpy(p, buffer, t);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		buffer += t;
		size -= t;
	}

	/* Process data in 64-byte chunks */
	while (size >= 64) {
		memcpy(in, buffer, 64);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		buffer += 64;
		size -= 64;
	}

	/* Handle any remaining bytes of data. */
	memcpy(in, buffer, size);
}

- (uint8_t*)digest
{
	uint8_t	*p;
	size_t	count;

	if (calculated)
		return (uint8_t*)buf;

	/* Compute number of bytes mod 64 */
	count = (bits[0] >> 3) & 0x3F;

	/*
	 * Set the first char of padding to 0x80. This is safe since there is
	 * always at least one byte free
	 */
	p = in + count;
	*p++ = 0x80;

	/* Bytes of padding needed to make 64 bytes */
	count = 64 - 1 - count;

	/* Pad out to 56 mod 64 */
	if (count < 8) {
		/* Two lots of padding: Pad the first block to 64 bytes */
		memset(p, 0, count);
		OF_BSWAP32_V_IF_BE((uint32_t*)in, 16);
		md5_transform(buf, (uint32_t*)in);

		/* Now fill the next block with 56 bytes */
		memset(in, 0, 56);
	} else {
		/* Pad block to 56 bytes */
		memset(p, 0, count - 8);
	}
	OF_BSWAP32_V_IF_BE((uint32_t*)in, 14);

	/* Append length in bits and transform */
	((uint32_t*)in)[14] = bits[0];
	((uint32_t*)in)[15] = bits[1];

	md5_transform(buf, (uint32_t*)in);
	OF_BSWAP32_V_IF_BE(buf, 4);

	calculated = YES;

	return (uint8_t*)buf;
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFHash.h"

#define OF_SHA1_DIGEST_SIZE 20

/**
 * \brief A class which provides functions to create an SHA1 hash.
 */
@interface OFSHA1Hash: OFHash
{
	uint32_t state[5];
	uint64_t count;
	char	 buffer[64];
	uint8_t	 digest[OF_SHA1_DIGEST_SIZE];
}

/**
 * \return A new autoreleased SHA1 Hash
 */
+ sha1Hash;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFSHA1Hash.h"
#import "OFExceptions.h"
#import "macros.h"

/* blk0() and blk() perform the initial expand. */
#ifndef OF_BIG_ENDIAN
#define blk0(i)							\
	(block->l[i] = (OF_ROL(block->l[i], 24) & 0xFF00FF00) |	\
	    (OF_ROL(block->l[i], 8) & 0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) \
	(block->l[i & 15] = OF_ROL(block->l[(i + 13) & 15] ^	\
	    block->l[(i + 8) & 15] ^ block->l[(i + 2) & 15] ^	\
	    block->l[i & 15], 1))

/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v, w, x, y, z, i)						\
	z += ((w & (x ^ y)) ^ y) + blk0(i) + 0x5A827999 + OF_ROL(v, 5);	\
	w = OF_ROL(w, 30);
#define R1(v, w, x, y, z, i)						\
	z += ((w & (x ^ y)) ^ y) + blk(i) +  0x5A827999 + OF_ROL(v, 5);	\
	w = OF_ROL(w, 30);
#define R2(v, w, x, y, z, i)						\
	z += (w ^ x ^ y) + blk(i) + 0x6ED9EBA1 + OF_ROL(v, 5);		\
	w = OF_ROL(w, 30);
#define R3(v, w, x, y, z, i)						     \
	z += (((w | x) & y) | (w & x)) + blk(i) + 0x8F1BBCDC + OF_ROL(v, 5); \
	w = OF_ROL(w, 30);
#define R4(v, w, x, y, z, i)						\
	z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + OF_ROL(v, 5);		\
	w = OF_ROL(w, 30);

/// \cond internal
typedef union {
	char	 c[64];
	uint32_t l[16];
} sha1_c64l16_t;
/// \endcond

static inline void
sha1_transform(uint32_t state[5], const char buffer[64])
{
	uint32_t      a, b, c, d, e;
	char	      workspace[64];
	sha1_c64l16_t *block;

	block = (sha1_c64l16_t*)workspace;
	memcpy(block, buffer, 64);

	/* Copy state[] to working vars */
	a = state[0];
	b = state[1];
	c = state[2];
	d = state[3];
	e = state[4];

	/* 4 rounds of 20 operations each. Loop unrolled. */
	R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
	R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
	R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
	R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
	R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
	R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
	R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
	R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
	R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
	R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
	R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
	R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
	R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
	R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
	R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
	R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
	R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
	R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
	R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
	R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);

	/* Add the working vars back into state[] */
	state[0] += a;
	state[1] += b;
	state[2] += c;
	state[3] += d;
	state[4] += e;
}

static inline void
sha1_update(uint32_t *state, uint64_t *count, char *buffer,
    const char *buf, size_t size)
{
	size_t i, j;

	j = (size_t)((*count >> 3) & 63);
	*count += (size << 3);

	if ((j + size) > 63) {
		memcpy(&buffer[j], buf, (i = 64 - j));

		sha1_transform(state, buffer);

		for (; i + 63 < size; i += 64)
			sha1_transform(state, &buf[i]);

		j = 0;
	} else
		i = 0;

	memcpy(&buffer[j], &buf[i], size - i);
}

@implementation OFSHA1Hash
+ sha1Hash
{
	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	state[0] = 0x67452301;
	state[1] = 0xEFCDAB89;
	state[2] = 0x98BADCFE;
	state[3] = 0x10325476;
	state[4] = 0xC3D2E1F0;

	return self;
}

- (void)updateWithBuffer: (const char*)buf
		  ofSize: (size_t)size
{
	if (size == 0)
		return;

	if (calculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];

	sha1_update(state, &count, buffer, buf, size);
}

- (uint8_t*)digest
{
	size_t i;
	char   finalcount[8];

	if (calculated)
		return digest;

	for (i = 0; i < 8; i++)
		/* Endian independent */
		finalcount[i] = (char)((count >> ((7 - (i & 7)) * 8)) & 255);
	sha1_update(state, &count, buffer, "\200", 1);

	while ((count & 504) != 448)
		sha1_update(state, &count, buffer, "\0", 1);
	/* Should cause a sha1_transform() */
	sha1_update(state, &count, buffer, finalcount, 8);

	for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++)
		digest[i] = (char)((state[i >> 2] >>
		    ((3 - (i & 3)) * 8)) & 255);

	calculated = YES;

	return digest;
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFString.h"

extern int _OFString_Hashing_reference;

/**
 * The OFString (OFHashing) category provides methods to calculate hashes for
 * strings.
 */
@interface OFString (Hashing)
/**
 * \return The MD5 hash of the string as an autoreleased OFString
 */
- (OFString*)md5Hash;

/**
 * \return The SHA1 hash of the string as an autoreleased OFString
 */
- (OFString*)sha1Hash;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFString.h"
#import "OFMD5Hash.h"
#import "OFSHA1Hash.h"
#import "OFAutoreleasePool.h"

int _OFString_Hashing_reference;

@implementation OFString (Hashing)
- (OFString*)md5Hash
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *hash = [OFMD5Hash md5Hash];
	uint8_t *digest;
	char ret_c[32];
	size_t i;

	[hash updateWithBuffer: string
			ofSize: length];
	digest = [hash digest];

	for (i = 0; i < 16; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

		ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	[pool release];

	return [OFString stringWithCString: ret_c
				    length: 32];
}

- (OFString*)sha1Hash
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *hash = [OFSHA1Hash sha1Hash];
	uint8_t *digest;
	char ret_c[40];
	size_t i;

	[hash updateWithBuffer: string
			ofSize: length];
	digest = [hash digest];

	for (i = 0; i < 20; i++) {
		uint8_t high, low;

		high = digest[i] >> 4;
		low  = digest[i] & 0x0F;

		ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	[pool release];

	return [OFString stringWithCString: ret_c
				    length: 40];
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFString.h"

extern int _OFString_URLEncoding_reference;

/**
 * \brief A category which provides URL encoding and decoding.
 */
@interface OFString (URLEncoding)
/**
 * Encodes a string for use in a URL.
 *
 * \return A new autoreleased string
 */
- (OFString*)stringByURLEncoding;

/**
 * Decodes a string used in a URL.
 *
 * \return A new autoreleased string
 */
- (OFString*)stringByURLDecoding;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

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

#import "OFString+URLEncoding.h"
#import "OFExceptions.h"

/* Reference for static linking */
int _OFString_URLEncoding_reference;

@implementation OFString (URLEncoding)
- (OFString*)stringByURLEncoding
{
	const char *s;
	char *ret_c;
	size_t i;
	OFString *ret;

	s = string;

	/*
	 * Worst case: 3 times longer than before.
	 * Oh, and we can't use [self allocWithSize:] here as self might be a
	 * @"" literal.
	 */
	if ((ret_c = malloc((length * 3) + 1)) == NULL)
		@throw [OFOutOfMemoryException newWithClass: isa
						       size: (length * 3) + 1];

	for (i = 0; *s != '\0'; s++) {
		if (isalnum((int)*s) || *s == '-' || *s == '_' || *s == '.' ||
		    *s == '~')
			ret_c[i++] = *s;
		else {
			uint8_t high, low;

			high = *s >> 4;
			low = *s & 0x0F;

			ret_c[i++] = '%';
			ret_c[i++] = (high > 9 ? high - 10 + 'A' : high + '0');
			ret_c[i++] = (low  > 9 ? low  - 10 + 'A' : low  + '0');
		}
	}

	@try {
		ret = [OFString stringWithCString: ret_c
					   length: i];
	} @finally {
		free(ret_c);
	}

	return ret;
}

- (OFString*)stringByURLDecoding
{
	const char *s;
	char *ret_c, c;
	size_t i;
	int st;
	OFString *ret;

	s = string;

	if ((ret_c = malloc(length + 1)) == NULL)
		@throw [OFOutOfMemoryException newWithClass: isa
						       size: length + 1];

	for (st = 0, i = 0, c = 0; *s; s++) {
		switch (st) {
		case 0:
			if (*s == '%')
				st = 1;
			else if (*s == '+')
				ret_c[i++] = ' ';
			else
				ret_c[i++] = *s;
			break;
		case 1:
		case 2:
			if (*s >= '0' && *s <= '9')
				c += (*s - '0') << (st == 1 ? 4 : 0);
			else if (*s >= 'A' && *s <= 'F')
				c += (*s - 'A' + 10) << (st == 1 ? 4 : 0);
			else if (*s >= 'a' && *s <= 'f')
				c += (*s - 'a' + 10) << (st == 1 ? 4 : 0);
			else {
				free(ret_c);
				@throw [OFInvalidEncodingException
				    newWithClass: isa];
			}

			if (++st == 3) {
				ret_c[i++] = c;
				st = 0;
				c = 0;
			}

			break;
		}
	}
	ret_c[i] = '\0';

	if (st) {
		free(ret_c);
		@throw [OFInvalidEncodingException newWithClass: isa];
	}

	@try {
		ret = [OFString stringWithCString: ret_c];
	} @finally {
		free(ret_c);
	}
	return ret;
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFString.h"

extern int _OFString_XMLEscaping_reference;

/**
 * \brief A category to escape strings for use in an XML document.
 */
@interface OFString (XMLEscaping)
/**
 * Escapes a string for use in an XML document.
 *
 * \return A new autoreleased string
 */
- (OFString*)stringByXMLEscaping;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

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

#import "OFString.h"
#import "OFExceptions.h"

int _OFString_XMLEscaping_reference;

@implementation OFString (XMLEscaping)
- (OFString*)stringByXMLEscaping
{
	char *str_c, *append, *tmp;
	size_t len, append_len;
	size_t i, j;
	OFString *ret;

	j = 0;
	len = length;

	/*
	 * We can't use allocMemoryWithSize: here as it might be a @"" literal
	 */
	if ((str_c = malloc(len)) == NULL)
		@throw [OFOutOfMemoryException newWithClass: isa
						       size: len];

	for (i = 0; i < length; i++) {
		switch (string[i]) {
			case '<':
				append = "&lt;";
				append_len = 4;
				break;
			case '>':
				append = "&gt;";
				append_len = 4;
				break;
			case '"':
				append = "&quot;";
				append_len = 6;
				break;
			case '\'':
				append = "&apos;";
				append_len = 6;
				break;
			case '&':
				append = "&amp;";
				append_len = 5;
				break;
			default:
				append = NULL;
				append_len = 0;
		}

		if (append != NULL) {
			if ((tmp = realloc(str_c, len + append_len)) == NULL) {
				free(str_c);
				@throw [OFOutOfMemoryException
				    newWithClass: isa
					    size: len + append_len];
			}
			str_c = tmp;
			len += append_len - 1;

			memcpy(str_c + j, append, append_len);
			j += append_len;
		} else
			str_c[j++] = string[i];
	}

	assert(j == len);

	@try {
		ret = [OFString stringWithCString: str_c
					   length: len];
	} @finally {
		free(str_c);
	}
	return ret;
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFString.h"

extern int _OFString_XMLUnescaping_reference;

/**
 * \brief A protocol that needs to be implemented by delegates for
 *	  -[stringByXMLUnescapingWithHandler:].
 */
@protocol OFStringXMLUnescapingDelegate
/**
 * This callback is called when an unknown entity was found while trying to
 * unescape XML. The callback is supposed to return a substitution for the
 * entity or nil if it is unknown to the callback as well, in which case an
 * exception will be thrown.
 *
 * \param entity The name of the entity that is unknown
 * \return A substitution for the entity or nil
 */
- (OFString*)didFindUnknownEntityNamed: (OFString*)entity;
@end

/**
 * \brief A category for unescaping XML in strings.
 */
@interface OFString (XMLUnescaping)
/**
 * Unescapes XML in the string.
 */
- (OFString*)stringByXMLUnescaping;

/**
 * Unescapes XML in the string and uses the specified handler for unknown
 * entities.
 *
 * \param h An OFXMLUnescapingDelegate as a handler for unknown entities
 */
- (OFString*)stringByXMLUnescapingWithHandler:
    (OFObject <OFStringXMLUnescapingDelegate>*)h;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFString.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "macros.h"

int _OFString_XMLUnescaping_reference;

static OF_INLINE OFString*
parse_numeric_entity(const char *entity, size_t length)
{
	of_unichar_t c;
	size_t i;
	char buf[5];

	if (length == 1 || *entity != '#')
		return nil;

	c = 0;
	entity++;
	length--;

	if (entity[0] == 'x') {
		if (length == 1)
			return nil;

		entity++;
		length--;

		for (i = 0; i < length; i++) {
			if (entity[i] >= '0' && entity[i] <= '9')
				c = (c << 4) + (entity[i] - '0');
			else if (entity[i] >= 'A' && entity[i] <= 'F')
				c = (c << 4) + (entity[i] - 'A' + 10);
			else if (entity[i] >= 'a' && entity[i] <= 'f')
				c = (c << 4) + (entity[i] - 'a' + 10);
			else
				return nil;
		}
	} else {
		for (i = 0; i < length; i++) {
			if (entity[i] >= '0' && entity[i] <= '9')
				c = (c * 10) + (entity[i] - '0');
			else
				return nil;
		}
	}

	if ((i = of_string_unicode_to_utf8(c, buf)) == 0)
		return nil;
	buf[i] = 0;

	return [OFString stringWithCString: buf
				    length: i];
}

@implementation OFString (XMLUnescaping)
- (OFString*)stringByXMLUnescaping
{
	return [self stringByXMLUnescapingWithHandler: nil];
}

- (OFString*)stringByXMLUnescapingWithHandler:
    (OFObject <OFStringXMLUnescapingDelegate>*)h
{
	size_t i, last;
	BOOL in_entity;
	OFMutableString *ret;

	last = 0;
	in_entity = NO;
	ret = [OFMutableString string];

	switch (of_string_check_utf8(string, length)) {
	case 1:
		((OFString*)ret)->isUTF8 = YES;
		break;
	case -1:
		@throw [OFInvalidEncodingException newWithClass: isa];
	}

	for (i = 0; i < length; i++) {
		if (!in_entity && string[i] == '&') {
			[ret appendCStringWithoutUTF8Checking: string + last
						       length: i - last];

			last = i + 1;
			in_entity = YES;
		} else if (in_entity && string[i] == ';') {
			char *entity = string + last;
			size_t len = i - last;

			if (len == 2 && !memcmp(entity, "lt", 2))
				[ret appendCStringWithoutUTF8Checking: "<"
							       length: 1];
			else if (len == 2 && !memcmp(entity, "gt", 2))
				[ret appendCStringWithoutUTF8Checking: ">"
							       length: 1];
			else if (len == 4 && !memcmp(entity, "quot", 4))
				[ret appendCStringWithoutUTF8Checking: "\""
							       length: 1];
			else if (len == 4 && !memcmp(entity, "apos", 4))
				[ret appendCStringWithoutUTF8Checking: "'"
							       length: 1];
			else if (len == 3 && !memcmp(entity, "amp", 3))
				[ret appendCStringWithoutUTF8Checking: "&"
							       length: 1];
			else if (entity[0] == '#') {
				OFAutoreleasePool *pool;
				OFString *tmp;

				pool = [[OFAutoreleasePool alloc] init];
				tmp = parse_numeric_entity(entity, len);

				if (tmp == nil)
					@throw [OFInvalidEncodingException
					    newWithClass: isa];

				[ret appendString: tmp];
				[pool release];
			} else if (h != nil) {
				OFAutoreleasePool *pool;
				OFString *n, *tmp;

				pool = [[OFAutoreleasePool alloc] init];

				n = [OFString stringWithCString: entity
							 length: len];
				tmp = [h didFindUnknownEntityNamed: n];

				if (tmp == nil)
					@throw [OFInvalidEncodingException
					    newWithClass: isa];

				[ret appendString: tmp];
				[pool release];
			} else
				@throw [OFInvalidEncodingException
				    newWithClass: isa];

			last = i + 1;
			in_entity = NO;
		}
	}

	if (in_entity)
		@throw [OFInvalidEncodingException newWithClass: isa];

	[ret appendCStringWithoutUTF8Checking: string + last
				       length: i - last];

	return ret;
}
@end

 * \return An OFNumber
 */
- (uintmax_t)hexadecimalValueAsInteger;
@end

#import "OFConstString.h"
#import "OFMutableString.h"
#import "OFString+Hashing.h"
#import "OFString+URLEncoding.h"
#import "OFString+XMLEscaping.h"
#import "OFString+XMLUnescaping.h"

extern const uint16_t of_iso_8859_15[256];
extern const uint16_t of_windows_1252[256];

/* References for static linking */
void _references_to_categories_of_OFString()
{
	_OFString_Hashing_reference = 1;
	_OFString_URLEncoding_reference = 1;
	_OFString_XMLEscaping_reference = 1;
	_OFString_XMLUnescaping_reference = 1;
};

int
of_string_check_utf8(const char *str, size_t len)
{
	size_t i;
	int utf8 = 0;

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFObject.h"

@class OFString;

/**
 * \brief A representation of an attribute of an XML element as an object.
 */
@interface OFXMLAttribute: OFObject
{
	OFString *name;
	OFString *namespace;
	OFString *stringValue;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly, retain) OFString *name;
@property (readonly, retain) OFString *namespace;
@property (readonly, retain) OFString *stringValue;
#endif

/**
 * \param name The name of the attribute
 * \param ns The namespace of the attribute
 * \param value The string value of the attribute
 * \return A new autoreleased OFXMLAttribute with the specified parameters
 */
+ attributeWithName: (OFString*)name
	  namespace: (OFString*)ns
	stringValue: (OFString*)value;

/**
 * Initializes an already allocated OFXMLAttribute.
 *
 * \param name The name of the attribute
 * \param ns The namespace of the attribute
 * \param value The string value of the attribute
 * \return An initialized OFXMLAttribute with the specified parameters
 */
- initWithName: (OFString*)name
     namespace: (OFString*)ns
   stringValue: (OFString*)value;

/**
 * \return The name of the attribute as an autoreleased OFString
 */
- (OFString*)name;

/**
 * \return The namespace of the attribute as an autoreleased OFString
 */
- (OFString*)namespace;

/**
 * \return The string value of the attribute as an autoreleased OFString
 */
- (OFString*)stringValue;
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#import "OFXMLAttribute.h"
#import "OFString.h"
#import "OFAutoreleasePool.h"

@implementation OFXMLAttribute
+ attributeWithName: (OFString*)name
	  namespace: (OFString*)ns
	stringValue: (OFString*)value
{
	return [[[self alloc] initWithName: name
				 namespace: ns
			       stringValue: value] autorelease];
}

- initWithName: (OFString*)name_
     namespace: (OFString*)ns
   stringValue: (OFString*)value
{
	self = [super init];

	name = [name_ copy];
	namespace = [ns copy];
	stringValue = [value copy];

	return self;
}

- (void)dealloc
{
	[name release];
	[namespace release];
	[stringValue release];

	[super dealloc];
}

- (OFString*)name
{
	return [[name copy] autorelease];
}

- (OFString*)namespace
{
	return [[namespace copy] autorelease];
}

- (OFString*)stringValue
{
	return [[stringValue copy] autorelease];
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFObject.h"


@class OFString;
@class OFMutableArray;
@class OFMutableDictionary;






@class OFXMLAttribute;
























































@interface OFXMLElement: OFObject
{
	OFString *name;
	OFString *namespace;
	OFString *defaultNamespace;
	OFMutableArray *attributes;
	OFString *stringValue;

/**
 * Adds a child to the OFXMLElement.
 *
 * \param child Another OFXMLElement which is added as a child
 */
- (void)addChild: (OFXMLElement*)child;
@end

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

#include "config.h"

#include <assert.h>

#include <string.h>

#import "OFXMLElement.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFXMLAttribute.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"



















































@implementation OFXMLElement
+ elementWithName: (OFString*)name_
{
	return [[[self alloc] initWithName: name_] autorelease];
}

+ elementWithName: (OFString*)name

	[attributes release];
	[stringValue release];
	[namespaces release];
	[children release];

	[super dealloc];
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "OFObject.h"
#import "OFString.h"
#import "OFXMLAttribute.h"


@class OFXMLParser;
@class OFArray;
@class OFMutableArray;

/**
 * \brief A protocol that needs to be implemented by delegates for OFXMLParser.

 * \param entity The name of the entity the XML parser didn't know
 * \return A substitution for the entity or nil
 */
-      (OFString*)xmlParser: (OFXMLParser*)parser
  didFindUnknownEntityNamed: (OFString*)entity;
@end


















/**
 * \brief An event-based XML parser.
 *
 * OFXMLParser is an event-based XML parser which calls the delegate's callbacks
 * as soon asit finds something, thus suitable for streams as well.
 */
@interface OFXMLParser: OFObject <OFStringXMLUnescapingDelegate>
{
	OFObject <OFXMLParserDelegate> *delegate;
	enum {
		OF_XMLPARSER_OUTSIDE_TAG,
		OF_XMLPARSER_TAG_OPENED,
		OF_XMLPARSER_IN_TAG_NAME,
		OF_XMLPARSER_IN_CLOSE_TAG_NAME,

 * \param buf The buffer to parse
 * \param size The size of the buffer
 */
- (void)parseBuffer: (const char*)buf
	   withSize: (size_t)size;
@end




















@interface OFObject (OFXMLParserDelegate) <OFXMLParserDelegate>
@end

#include <string.h>
#include <unistd.h>

#import "OFXMLParser.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFXMLAttribute.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "macros.h"



static OF_INLINE OFString*
transform_string(OFMutableString *cache,
    OFObject <OFStringXMLUnescapingDelegate> *handler)
{
	[cache replaceOccurrencesOfString: @"\r\n"
			       withString: @"\n"];
	[cache replaceOccurrencesOfString: @"\r"
			       withString: @"\n"];
	return [cache stringByXMLUnescapingWithHandler: handler];
}

		if ((tmp = [carray[i] objectForKey: prefix]) != nil)
			return tmp;
	}

	return nil;
}

















































@implementation OFXMLParser
+ xmlParser
{
	return [[[self alloc] init] autorelease];
}

- init

}

- (OFString*)didFindUnknownEntityNamed: (OFString*)entity
{
	return [delegate xmlParser: self
	 didFindUnknownEntityNamed: entity];
}



































































































@end

@implementation OFObject (OFXMLParserDelegate)
-     (void)xmlParser: (OFXMLParser*)parser
  didStartTagWithName: (OFString*)name
	       prefix: (OFString*)prefix
	    namespace: (OFString*)ns

include ../extra.mk

SUBDIRS = ${TESTPLUGIN}

PROG_NOINST = tests${PROG_SUFFIX}
SRCS = OFArrayTests.m		\
       OFDataArrayTests.m	\
       OFDictionaryTests.m	\
       OFFileTests.m		\
       OFListTests.m		\
       OFMD5HashTests.m		\
       OFNumberTests.m		\
       OFObjectTests.m		\
       ${OFPLUGINTESTS_M}	\
       OFSHA1HashTests.m	\
       OFStreamTests.m		\
       OFStringTests.m		\
       OFTCPSocketTests.m	\
       ${OFTHREADTESTS_M}	\
       OFXMLElementTests.m	\
       OFXMLParserTests.m	\
       ${PROPERTIESTESTS_M}	\

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFMD5Hash.h"
#import "OFFile.h"
#import "OFAutoreleasePool.h"
#import "OFString.h"
#import "OFExceptions.h"

#import "TestsAppDelegate.h"

static OFString *module = @"OFMD5Hash";

const uint8_t testfile_md5[OF_MD5_DIGEST_SIZE] =
	"\x00\x8B\x9D\x1B\x58\xDF\xF8\xFE\xEE\xF3\xAE\x8D\xBB\x68\x2D\x38";

@implementation TestsAppDelegate (OFMD5HashTests)
- (void)MD5HashTests
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFMD5Hash *md5;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin"
				    mode: @"rb"];

	TEST(@"+[md5Hash]", (md5 = [OFMD5Hash md5Hash]))


	while (![f atEndOfStream]) {
		char buf[64];
		size_t len = [f readNBytes: 64
				intoBuffer: buf];
		[md5 updateWithBuffer: buf
			       ofSize: len];
	}
	[f close];

	TEST(@"-[digest]",
	    !memcmp([md5 digest], testfile_md5, OF_MD5_DIGEST_SIZE))

	EXPECT_EXCEPTION(@"Detect invalid call of -[updateWithBuffer]",
	    OFHashAlreadyCalculatedException, [md5 updateWithBuffer: ""
							     ofSize: 1])

	[pool drain];
}
@end

/*
 * Copyright (c) 2008 - 2010
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#include "config.h"

#include <string.h>

#import "OFSHA1Hash.h"
#import "OFFile.h"
#import "OFAutoreleasePool.h"
#import "OFString.h"
#import "OFExceptions.h"

#import "TestsAppDelegate.h"

static OFString *module = @"OFHash";

const uint8_t testfile_sha1[OF_SHA1_DIGEST_SIZE] =
	"\xC9\x9A\xB8\x7E\x1E\xC8\xEC\x65\xD5\xEB\xE4\x2E\x0D\xA6\x80\x96\xF5"
	"\x94\xE7\x17";

@implementation TestsAppDelegate (SHA1HashTests)
- (void)SHA1HashTests
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	OFSHA1Hash *sha1;
	OFFile *f = [OFFile fileWithPath: @"testfile.bin"
				    mode: @"rb"];

	TEST(@"+[sha1Hash]", (sha1 = [OFSHA1Hash sha1Hash]))

	while (![f atEndOfStream]) {
		char buf[64];
		size_t len = [f readNBytes: 64
				intoBuffer: buf];
		[sha1 updateWithBuffer: buf
				ofSize: len];
	}
	[f close];

	TEST(@"-[digest]",
	    !memcmp([sha1 digest], testfile_sha1, OF_SHA1_DIGEST_SIZE))

	EXPECT_EXCEPTION(@"Detect invalid call of -[updateWithBuffer]",
	    OFHashAlreadyCalculatedException, [sha1 updateWithBuffer: ""
							      ofSize: 1])

	[pool drain];
}
@end

static OFString *module = @"OFString";
static OFString* whitespace[] = {
	@" \r \t\n\t \tasd  \t \t\t\r\n",
	@" \t\t  \t\t  \t \t"
};

@interface EntityHandler: OFObject <OFStringXMLUnescapingDelegate>
@end

@implementation EntityHandler
- (OFString*)didFindUnknownEntityNamed: (OFString*)entity
{
	if ([entity isEqual: @"foo"])
		return @"bar";

- (void)dictionaryTests;
@end

@interface TestsAppDelegate (OFFileTests)
- (void)fileTests;
@end





@interface TestsAppDelegate (OFListTests)
- (void)listTests;
@end

@interface TestsAppDelegate (OFMD5HashTests)
- (void)MD5HashTests;
@end

@interface TestsAppDelegate (OFNumberTests)
- (void)numberTests;
@end

@interface TestsAppDelegate (OFObjectTests)
- (void)objectTests;
@end

@interface TestsAppDelegate (OFPluginTests)
- (void)pluginTests;
@end

@interface TestsAppDelegate (PropertiesTests)
- (void)propertiesTests;
@end

@interface TestsAppDelegate (OFSHA1HashTests)
- (void)SHA1HashTests;
@end

@interface TestsAppDelegate (OFStreamTests)
- (void)streamTests;
@end

@interface TestsAppDelegate (OFStringTests)
- (void)stringTests;

}

- (void)applicationDidFinishLaunching
{
	[self objectTests];
	[self stringTests];
	[self fileTests];
	[self MD5HashTests];
	[self SHA1HashTests];
	[self dataArrayTests];
	[self arrayTests];
	[self dictionaryTests];
	[self listTests];
	[self numberTests];
	[self streamTests];
	[self TCPSocketTests];