ObjFW  Check-in [c8f7b90082]

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				4B3D23901337FC0D00DD29B8 /* OFData.m in Sources */,
				4B3D23911337FC0D00DD29B8 /* OFData+CryptoHashing.m in Sources */,
				4B879A8D177231F000EBCEA4 /* OFData+MessagePackValue.m in Sources */,
				4B3D23921337FC0D00DD29B8 /* OFDate.m in Sources */,
				4B3D23931337FC0D00DD29B8 /* OFDictionary.m in Sources */,
				4B2B3E80140D430500EC2F7C /* OFDictionary_hashtable.m in Sources */,
				4B3D23941337FC0D00DD29B8 /* OFEnumerator.m in Sources */,
				4B3D23961337FC0D00DD29B8 /* OFFile.m in Sources */,
				4B2C728B1B888B8300717583 /* OFFileManager.m in Sources */,
				4B6D0A8A1D4459D900901D8D /* OFHMAC.m in Sources */,

				4B3D23991337FC0D00DD29B8 /* OFList.m in Sources */,
				4B46E2231E235EA700121ED6 /* OFLocalization.m in Sources */,
				4B3B0799166978780044E634 /* OFMapTable.m in Sources */,
				4B3D239A1337FC0D00DD29B8 /* OFMD5Hash.m in Sources */,
				4BCAA9B01772432F003EF859 /* OFMessagePackExtension.m in Sources */,
				4B3D239B1337FC0D00DD29B8 /* OFMutableArray.m in Sources */,
				4B2B3E82140D430500EC2F7C /* OFMutableArray_adjacent.m in Sources */,
				4B1223161F23E6C000D9F8FF /* OFMutableData.m in Sources */,
				4B3D239C1337FC0D00DD29B8 /* OFMutableDictionary.m in Sources */,
				4B2B3E84140D430500EC2F7C /* OFMutableDictionary_hashtable.m in Sources */,
				4B39844813D3AFB400E6F825 /* OFMutableSet.m in Sources */,
				4BA85BCD140ECCE800E91D51 /* OFMutableSet_hashtable.m in Sources */,
				4B3D239D1337FC0D00DD29B8 /* OFMutableString.m in Sources */,
				4B552553147AA5DB0003BF47 /* OFMutableString_UTF8.m in Sources */,
				4B4116D21F21654200E78916 /* OFMutableURL.m in Sources */,

		4B76F4711DA2C2BB00CFF831 /* Sources */ = {
			isa = PBXSourcesBuildPhase;
			buildActionMask = 2147483647;
			files = (
				4BD9CA001DA2C5FC00E5AD52 /* ForwardingTests.m in Sources */,
				4BD9CA011DA2C5FE00E5AD52 /* OFArrayTests.m in Sources */,
				4BD9CA021DA2C60200E5AD52 /* OFBlockTests.m in Sources */,
				4BD9CA031DA2C60400E5AD52 /* OFDataTests.m in Sources */,
				4BD9CA041DA2C60700E5AD52 /* OFDateTests.m in Sources */,
				4BD9CA051DA2C60900E5AD52 /* OFDictionaryTests.m in Sources */,
				4BD9CA061DA2C60B00E5AD52 /* OFHMACTests.m in Sources */,
				4BD9CA071DA2C60E00E5AD52 /* OFHTTPClientTests.m in Sources */,
				4BD9CA081DA2C61900E5AD52 /* OFHTTPCookieTests.m in Sources */,
				4B11D09D1EC901440094423D /* OFHTTPCookieManagerTests.m in Sources */,
				4BD9CA091DA2C61E00E5AD52 /* OFINIFileTests.m in Sources */,

		4BF33AEC133807310059CEF7 /* Sources */ = {
			isa = PBXSourcesBuildPhase;
			buildActionMask = 2147483647;
			files = (
				4BA4846615CC9FAD00D75360 /* ForwardingTests.m in Sources */,
				4BF33AFC133807A20059CEF7 /* OFArrayTests.m in Sources */,
				4BF33AFD133807A20059CEF7 /* OFBlockTests.m in Sources */,
				4BF33AFE133807A20059CEF7 /* OFDataTests.m in Sources */,
				4BF33AFF133807A20059CEF7 /* OFDateTests.m in Sources */,
				4BF33B00133807A20059CEF7 /* OFDictionaryTests.m in Sources */,
				4BF0DD741D44645D001D9949 /* OFHMACTests.m in Sources */,
				4BB4B54A16776094002A2DCE /* OFHTTPClientTests.m in Sources */,
				4B2610C61D86305C001F16C9 /* OFHTTPCookieTests.m in Sources */,
				4B11D09C1EC901440094423D /* OFHTTPCookieManagerTests.m in Sources */,
				4B5B02C118B2897500CE6AE4 /* OFINIFileTests.m in Sources */,

STATIC_LIB = ${OBJFW_STATIC_LIB}
LIB_MAJOR = ${OBJFW_LIB_MAJOR}
LIB_MINOR = ${OBJFW_LIB_MINOR}

SRCS = OFApplication.m			\
       OFArray.m			\
       OFAutoreleasePool.m		\

       OFBlock.m			\
       OFConstantString.m		\
       OFCountedSet.m			\
       OFData.m				\
       OFData+CryptoHashing.m		\
       OFData+MessagePackValue.m	\
       OFDate.m				\
       OFDictionary.m			\
       OFEnumerator.m			\
       OFGZIPStream.m			\
       OFHMAC.m				\
       OFHTTPCookie.m			\
       OFHTTPCookieManager.m		\
       OFHTTPRequest.m			\
       OFHTTPResponse.m			\
       OFInflateStream.m		\
       OFInflate64Stream.m		\
       OFIntrospection.m		\
       OFList.m				\
       OFLocalization.m			\
       OFMapTable.m			\
       OFMD5Hash.m			\
       OFMessagePackExtension.m		\
       OFMutableArray.m			\
       OFMutableData.m			\
       OFMutableDictionary.m		\
       OFMutableSet.m			\
       OFMutableString.m		\
       OFMutableURL.m			\
       OFNull.m				\
       OFNumber.m			\
       OFObject.m			\

#include <assert.h>

#import "OFArray.h"
#import "OFArray_subarray.h"
#import "OFArray_adjacent.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFData.h"
#import "OFNull.h"

#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"

static struct {

	[JSON makeImmutable];

	objc_autoreleasePoolPop(pool);

	return JSON;
}

- (OFData *)messagePackRepresentation
{
	OFMutableData *data;
	size_t i, count;
	void *pool;

	data = [OFMutableData data];
	count = [self count];

	if (count <= 15) {
		uint8_t tmp = 0x90 | ((uint8_t)count & 0xF);
		[data addItem: &tmp];
	} else if (count <= UINT16_MAX) {
		uint8_t type = 0xDC;

		@throw [OFOutOfRangeException exception];

	pool = objc_autoreleasePoolPush();

	i = 0;
	for (id object in self) {
		void *pool2 = objc_autoreleasePoolPush();
		OFData *child;

		i++;

		child = [object messagePackRepresentation];
		[data addItems: [child items]
			 count: [child count]];

		objc_autoreleasePoolPop(pool2);
	}

	assert(i == count);

	[data makeImmutable];

	objc_autoreleasePoolPop(pool);

	return data;
}

- (void)makeObjectsPerformSelector: (SEL)selector

 * file.
 */

#import "OFArray.h"

OF_ASSUME_NONNULL_BEGIN

@class OFMutableData;

@interface OFArray_adjacent: OFArray
{
	OFMutableData *_array;
}
@end

OF_ASSUME_NONNULL_END

#include "config.h"

#include <stdarg.h>

#import "OFArray_adjacent.h"
#import "OFMutableArray_adjacent.h"
#import "OFArray_adjacentSubarray.h"
#import "OFData.h"
#import "OFString.h"
#import "OFXMLElement.h"

#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"

@implementation OFArray_adjacent
- init
{
	self = [super init];

	@try {
		_array = [[OFMutableData alloc] initWithItemSize: sizeof(id)];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

	if (array == nil)
		return self;

	@try {
		objects = [array objects];
		count = [array count];

		_array = [[OFMutableData alloc] initWithItemSize: sizeof(id)
							capacity: count];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	@try {
		for (size_t i = 0; i < count; i++)

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFData.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFData_CryptoHashing_reference;
#ifdef __cplusplus
}
#endif

@interface OFData (CryptoHashing)
/*!
 * @brief Returns the MD5 hash of the data array as an autoreleased OFString.
 *
 * @return The MD5 hash of the data array as an autoreleased OFString
 */
- (OFString *)MD5Hash;

/*!
 * @brief Returns the RIPEMD-160 hash of the data array as an autoreleased
 *	  OFString.
 *
 * @return The RIPEMD-160 hash of the data array as an autoreleased OFString
 */
- (OFString *)RIPEMD160Hash;

/*!
 * @brief Returns the SHA-1 hash of the data array as an autoreleased OFString.
 *
 * @return The SHA-1 hash of the data array as an autoreleased OFString
 */
- (OFString *)SHA1Hash;

/*!
 * @brief Returns the SHA-224 hash of the data array as an autoreleased
 *	  OFString.
 *
 * @return The SHA-224 hash of the data array as an autoreleased OFString
 */
- (OFString *)SHA224Hash;

/*!
 * @brief Returns the SHA-256 hash of the data array as an autoreleased
 *	  OFString.
 *
 * @return The SHA-256 hash of the data array as an autoreleased OFString
 */
- (OFString *)SHA256Hash;

/*!
 * @brief Returns the SHA-384 hash of the data array as an autoreleased
 *	  OFString.
 *
 * @return The SHA-384 hash of the data array as an autoreleased OFString
 */
- (OFString *)SHA384Hash;

/*!
 * @brief Returns the SHA-512 hash of the data array as an autoreleased
 *	  OFString.
 *
 * @return The SHA-512 hash of the data array as an autoreleased OFString
 */
- (OFString *)SHA512Hash;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFData+CryptoHashing.h"
#import "OFString.h"
#import "OFCryptoHash.h"
#import "OFMD5Hash.h"
#import "OFRIPEMD160Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"
#import "OFSHA256Hash.h"
#import "OFSHA384Hash.h"
#import "OFSHA512Hash.h"

int _OFData_CryptoHashing_reference;

@implementation OFData (CryptoHashing)
- (OFString *)of_cryptoHashWithClass: (Class <OFCryptoHash>)class
{
	void *pool = objc_autoreleasePoolPush();
	id <OFCryptoHash> hash = [class cryptoHash];
	size_t digestSize = [class digestSize];
	const unsigned char *digest;
	char cString[digestSize * 2];

	[hash updateWithBuffer: _items
			length: _count * _itemSize];
	digest = [hash digest];

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

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

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

	objc_autoreleasePoolPop(pool);

	return [OFString stringWithCString: cString
				  encoding: OF_STRING_ENCODING_ASCII
				    length: digestSize * 2];
}

- (OFString *)MD5Hash
{
	return [self of_cryptoHashWithClass: [OFMD5Hash class]];
}

- (OFString *)RIPEMD160Hash
{
	return [self of_cryptoHashWithClass: [OFRIPEMD160Hash class]];
}

- (OFString *)SHA1Hash
{
	return [self of_cryptoHashWithClass: [OFSHA1Hash class]];
}

- (OFString *)SHA224Hash
{
	return [self of_cryptoHashWithClass: [OFSHA224Hash class]];
}

- (OFString *)SHA256Hash
{
	return [self of_cryptoHashWithClass: [OFSHA256Hash class]];
}

- (OFString *)SHA384Hash
{
	return [self of_cryptoHashWithClass: [OFSHA384Hash class]];
}

- (OFString *)SHA512Hash
{
	return [self of_cryptoHashWithClass: [OFSHA512Hash class]];
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFData.h"

OF_ASSUME_NONNULL_BEGIN

#ifdef __cplusplus
extern "C" {
#endif
extern int _OFData_MessagePackValue_reference;
#ifdef __cplusplus
}
#endif

@interface OFData (MessagePackValue)
/*!
 * @brief Parses the MessagePack representation and returns it as an object.
 *
 * @return The MessagePack representation as an object
 */
- (id)messagePackValue;

/*!
 * @brief Parses the MessagePack representation and returns it as an object.
 *
 * @param depthLimit The maximum depth the parser should accept (defaults to 32
 *		     if not specified, 0 means no limit (insecure!))
 * @return The MessagePack representation as an object
 */
- (id)messagePackValueWithDepthLimit: (size_t)depthLimit;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <string.h>

#import "OFData+MessagePackValue.h"
#import "OFNumber.h"
#import "OFNull.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFMessagePackExtension.h"

#import "OFInvalidFormatException.h"

int _OFData_MessagePackValue_reference;

static size_t parseObject(const uint8_t *buffer, size_t length, id *object,
    size_t depthLimit);

static uint16_t
readUInt16(const uint8_t *buffer)
{
	return ((uint16_t)buffer[0] << 8) | buffer[1];
}

static uint32_t
readUInt32(const uint8_t *buffer)
{
	return ((uint32_t)buffer[0] << 24) | ((uint32_t)buffer[1] << 16) |
	    ((uint32_t)buffer[2] << 8) | buffer[3];
}

static uint64_t
readUInt64(const uint8_t *buffer)
{
	return ((uint64_t)buffer[0] << 56) | ((uint64_t)buffer[1] << 48) |
	    ((uint64_t)buffer[2] << 40) | ((uint64_t)buffer[3] << 32) |
	    ((uint64_t)buffer[4] << 24) | ((uint64_t)buffer[5] << 16) |
	    ((uint64_t)buffer[6] << 8) | buffer[7];
}

static size_t
parseArray(const uint8_t *buffer, size_t length, id *object, size_t count,
    size_t depthLimit)
{
	void *pool;
	size_t pos = 0;

	if (--depthLimit == 0) {
		*object = nil;
		return 0;
	}

	/*
	 * Don't use capacity! For data and strings, this is safe, as we can
	 * check if we still have enough bytes left. For an array however, we
	 * can't know this, as every child can be more than one byte.
	 */
	*object = [OFMutableArray array];

	for (size_t i = 0; i < count; i++) {
		id child;
		size_t childLength;

		pool = objc_autoreleasePoolPush();

		childLength = parseObject(buffer + pos, length - pos, &child,
		    depthLimit);
		if (childLength == 0 || child == nil) {
			objc_autoreleasePoolPop(pool);

			*object = nil;
			return 0;
		}
		pos += childLength;

		[*object addObject: child];

		objc_autoreleasePoolPop(pool);
	}

	return pos;
}

static size_t
parseTable(const uint8_t *buffer, size_t length, id *object, size_t count,
    size_t depthLimit)
{
	void *pool;
	size_t pos = 0;

	if (--depthLimit == 0) {
		*object = nil;
		return 0;
	}

	/*
	 * Don't use capacity! For data and strings, this is safe, as we can
	 * check if we still have enough bytes left. For a dictionary however,
	 * we can't know this, as every key / value can be more than one byte.
	 */
	*object = [OFMutableDictionary dictionary];

	for (size_t i = 0; i < count; i++) {
		id key, value;
		size_t keyLength, valueLength;

		pool = objc_autoreleasePoolPush();

		keyLength = parseObject(buffer + pos, length - pos, &key,
		    depthLimit);
		if (keyLength == 0 || key == nil) {
			objc_autoreleasePoolPop(pool);

			*object = nil;
			return 0;
		}
		pos += keyLength;

		valueLength = parseObject(buffer + pos, length - pos, &value,
		    depthLimit);
		if (valueLength == 0 || value == nil) {
			objc_autoreleasePoolPop(pool);

			*object = nil;
			return 0;
		}
		pos += valueLength;

		[*object setObject: value
			    forKey: key];

		objc_autoreleasePoolPop(pool);
	}

	return pos;
}

static size_t
parseObject(const uint8_t *buffer, size_t length, id *object,
    size_t depthLimit)
{
	size_t count;
	int8_t type;
	OFData *data;

	if (length < 1)
		goto error;

	/* positive fixint */
	if ((buffer[0] & 0x80) == 0) {
		*object = [OFNumber numberWithUInt8: buffer[0] & 0x7F];
		return 1;
	}
	/* negative fixint */
	if ((buffer[0] & 0xE0) == 0xE0) {
		*object = [OFNumber numberWithInt8:
		    ((int8_t)(buffer[0] & 0x1F)) - 32];
		return 1;
	}

	/* fixstr */
	if ((buffer[0] & 0xE0) == 0xA0) {
		count = buffer[0] & 0x1F;

		if (length < count + 1)
			goto error;

		*object = [OFString
		    stringWithUTF8String: (const char *)buffer + 1
				  length: count];
		return count + 1;
	}

	/* fixarray */
	if ((buffer[0] & 0xF0) == 0x90)
		return parseArray(buffer + 1, length - 1, object,
		    buffer[0] & 0xF, depthLimit) + 1;

	/* fixmap */
	if ((buffer[0] & 0xF0) == 0x80)
		return parseTable(buffer + 1, length - 1, object,
		    buffer[0] & 0xF, depthLimit) + 1;

	/* Prefix byte */
	switch (buffer[0]) {
	/* Unsigned integers */
	case 0xCC: /* uint8 */
		if (length < 2)
			goto error;

		*object = [OFNumber numberWithUInt8: buffer[1]];
		return 2;
	case 0xCD: /* uint 16 */
		if (length < 3)
			goto error;

		*object = [OFNumber numberWithUInt16: readUInt16(buffer + 1)];
		return 3;
	case 0xCE: /* uint 32 */
		if (length < 5)
			goto error;

		*object = [OFNumber numberWithUInt32: readUInt32(buffer + 1)];
		return 5;
	case 0xCF: /* uint 64 */
		if (length < 9)
			goto error;

		*object = [OFNumber numberWithUInt64: readUInt64(buffer + 1)];
		return 9;
	/* Signed integers */
	case 0xD0: /* int 8 */
		if (length < 2)
			goto error;

		*object = [OFNumber numberWithInt8: buffer[1]];
		return 2;
	case 0xD1: /* int 16 */
		if (length < 3)
			goto error;

		*object = [OFNumber numberWithInt16: readUInt16(buffer + 1)];
		return 3;
	case 0xD2: /* int 32 */
		if (length < 5)
			goto error;

		*object = [OFNumber numberWithInt32: readUInt32(buffer + 1)];
		return 5;
	case 0xD3: /* int 64 */
		if (length < 9)
			goto error;

		*object = [OFNumber numberWithInt64: readUInt64(buffer + 1)];
		return 9;
	/* Floating point */
	case 0xCA:; /* float 32 */
		union {
			uint8_t u8[4];
			float f;
		} f;

		if (length < 5)
			goto error;

		memcpy(&f.u8, buffer + 1, 4);

		*object = [OFNumber numberWithFloat: OF_BSWAP_FLOAT_IF_LE(f.f)];
		return 5;
	case 0xCB:; /* float 64 */
		union {
			uint8_t u8[8];
			double d;
		} d;

		if (length < 9)
			goto error;

		memcpy(&d.u8, buffer + 1, 8);

		*object = [OFNumber numberWithDouble:
		    OF_BSWAP_DOUBLE_IF_LE(d.d)];
		return 9;
	/* nil */
	case 0xC0:
		*object = [OFNull null];
		return 1;
	/* false */
	case 0xC2:
		*object = [OFNumber numberWithBool: false];
		return 1;
	/* true */
	case 0xC3:
		*object = [OFNumber numberWithBool: true];
		return 1;
	/* Data */
	case 0xC4: /* bin 8 */
		if (length < 2)
			goto error;

		count = buffer[1];

		if (length < count + 2)
			goto error;

		*object = [OFData dataWithItems: buffer + 2
					  count: count];

		return count + 2;
	case 0xC5: /* bin 16 */
		if (length < 3)
			goto error;

		count = readUInt16(buffer + 1);

		if (length < count + 3)
			goto error;

		*object = [OFData dataWithItems: buffer + 3
					  count: count];

		return count + 3;
	case 0xC6: /* bin 32 */
		if (length < 5)
			goto error;

		count = readUInt32(buffer + 1);

		if (length < count + 5)
			goto error;

		*object = [OFData dataWithItems: buffer + 5
					  count: count];

		return count + 5;
	/* Extensions */
	case 0xC7: /* ext 8 */
		if (length < 3)
			goto error;

		count = buffer[1];

		if (length < count + 3)
			goto error;

		type = buffer[2];

		data = [[OFData alloc] initWithItems: buffer + 3
					       count: count];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return count + 3;
	case 0xC8: /* ext 16 */
		if (length < 4)
			goto error;

		count = readUInt16(buffer + 1);

		if (length < count + 4)
			goto error;

		type = buffer[3];

		data = [[OFData alloc] initWithItems: buffer + 4
					       count: count];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return count + 4;
	case 0xC9: /* ext 32 */
		if (length < 6)
			goto error;

		count = readUInt32(buffer + 1);

		if (length < count + 6)
			goto error;

		type = buffer[5];

		data = [[OFData alloc] initWithItems: buffer + 6
					       count: count];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return count + 6;
	case 0xD4: /* fixext 1 */
		if (length < 3)
			goto error;

		type = buffer[1];

		data = [[OFData alloc] initWithItems: buffer + 2
					       count: 1];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return 3;
	case 0xD5: /* fixext 2 */
		if (length < 4)
			goto error;

		type = buffer[1];

		data = [[OFData alloc] initWithItems: buffer + 2
					       count: 2];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return 4;
	case 0xD6: /* fixext 4 */
		if (length < 6)
			goto error;

		type = buffer[1];

		data = [[OFData alloc] initWithItems: buffer + 2
					       count: 4];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return 6;
	case 0xD7: /* fixext 8 */
		if (length < 10)
			goto error;

		type = buffer[1];

		data = [[OFData alloc] initWithItems: buffer + 2
					       count: 8];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return 10;
	case 0xD8: /* fixext 16 */
		if (length < 18)
			goto error;

		type = buffer[1];

		data = [[OFData alloc] initWithItems: buffer + 2
					       count: 16];
		@try {
			*object = [OFMessagePackExtension
			    extensionWithType: type
					 data: data];
		} @finally {
			[data release];
		}

		return 18;
	/* Strings */
	case 0xD9: /* str 8 */
		if (length < 2)
			goto error;

		count = buffer[1];

		if (length < count + 2)
			goto error;

		*object = [OFString
		    stringWithUTF8String: (const char *)buffer + 2
				  length: count];
		return count + 2;
	case 0xDA: /* str 16 */
		if (length < 3)
			goto error;

		count = readUInt16(buffer + 1);

		if (length < count + 3)
			goto error;

		*object = [OFString
		    stringWithUTF8String: (const char *)buffer + 3
				  length: count];
		return count + 3;
	case 0xDB: /* str 32 */
		if (length < 5)
			goto error;

		count = readUInt32(buffer + 1);

		if (length < count + 5)
			goto error;

		*object = [OFString
		    stringWithUTF8String: (const char *)buffer + 5
				  length: count];
		return count + 5;
	/* Arrays */
	case 0xDC: /* array 16 */
		if (length < 3)
			goto error;

		return parseArray(buffer + 3, length - 3, object,
		    readUInt16(buffer + 1), depthLimit) + 3;
	case 0xDD: /* array 32 */
		if (length < 5)
			goto error;

		return parseArray(buffer + 5, length - 5, object,
		    readUInt32(buffer + 1), depthLimit) + 5;
	/* Maps */
	case 0xDE: /* map 16 */
		if (length < 3)
			goto error;

		return parseTable(buffer + 3, length - 3, object,
		    readUInt16(buffer + 1), depthLimit) + 3;
	case 0xDF: /* map 32 */
		if (length < 5)
			goto error;

		return parseTable(buffer + 5, length - 5, object,
		    readUInt32(buffer + 1), depthLimit) + 5;
	}

error:
	*object = nil;
	return 0;
}

@implementation OFData (MessagePackValue)
- (id)messagePackValue
{
	return [self messagePackValueWithDepthLimit: 32];
}

- (id)messagePackValueWithDepthLimit: (size_t)depthLimit
{
	void *pool = objc_autoreleasePoolPush();
	size_t count = [self count];
	id object;

	if (parseObject([self items], count, &object, depthLimit) != count ||
	    object == nil)
		@throw [OFInvalidFormatException exception];

	[object retain];

	objc_autoreleasePoolPop(pool);

	return object;
}
@end

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFData.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFData ()
- (instancetype)of_init OF_METHOD_FAMILY(init);
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFSerialization.h"
#import "OFMessagePackRepresentation.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;
@class OFURL;

/*!
 * @class OFData OFData.h ObjFW/OFData.h
 *
 * @brief A class for storing arbitrary data in an array.
 *
 * For security reasons, serialization and deserialization is only implemented
 * for OFData with item size 1.
 */
@interface OFData: OFObject <OFCopying, OFMutableCopying, OFComparing,
    OFSerialization, OFMessagePackRepresentation>
{
	char *_items;
	size_t _count, _itemSize;
	bool _freeWhenDone;
}

/*!
 * The size of a single item in the OFData in bytes.
 */
@property (readonly, nonatomic) size_t itemSize;

/*!
 * @brief Creates a new OFData with the specified `count` items of size 1.
 *
 * @param items The items to store in the OFData
 * @param count The number of items
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithItems: (const void *)items
			count: (size_t)count;

/*!
 * @brief Creates a new OFData with the specified `count` items of the
 *	  specified size.
 *
 * @param items The items to store in the OFData
 * @param itemSize The item size of a single item in bytes
 * @param count The number of items
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithItems: (const void *)items
		     itemSize: (size_t)itemSize
			count: (size_t)count;

/*!
 * @brief Creates a new OFData with the specified `count` items of size 1 by
 *	  taking over ownership of the specified items pointer.
 *
 * @param items The items to store in the OFData
 * @param count The number of items
 * @param freeWhenDone Whether to free the pointer when it is no longer needed
 *		       by the OFData
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithItemsNoCopy: (const void *)items
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone;

/*!
 * @brief Creates a new OFData with the specified `count` items of the
 *	  specified size by taking ownership of the specified items pointer.
 *
 * @param items The items to store in the OFData
 * @param itemSize The item size of a single item in bytes
 * @param count The number of items
 * @param freeWhenDone Whether to free the pointer when it is no longer needed
 *		       by the OFData
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithItemsNoCopy: (const void *)items
			   itemSize: (size_t)itemSize
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone;

#ifdef OF_HAVE_FILES
/*!
 * @brief Creates a new OFData with an item size of 1, containing the data of
 *	  the specified file.
 *
 * @param path The path of the file
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithContentsOfFile: (OFString *)path;
#endif

#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
/*!
 * @brief Creates a new OFData with an item size of 1, containing the data of
 *	  the specified URL.
 *
 * @param URL The URL to the contents for the OFData
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithContentsOfURL: (OFURL *)URL;
#endif

/*!
 * @brief Creates a new OFData with an item size of 1, containing the data of
 *	  the string representation.
 *
 * @param string The string representation of the data
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithStringRepresentation: (OFString *)string;

/*!
 * @brief Creates a new OFData with an item size of 1, containing the data of
 *	  the Base64-encoded string.
 *
 * @param string The string with the Base64-encoded data
 * @return A new autoreleased OFData
 */
+ (instancetype)dataWithBase64EncodedString: (OFString *)string;

- init OF_UNAVAILABLE;

/*!
 * @brief Initialized an already allocated OFData with the specified `count`
 *	  items of size 1.
 *
 * @param items The items to store in the OFData
 * @param count The number of items
 * @return An initialized OFData
 */
- initWithItems: (const void *)items
	  count: (size_t)count;

/*!
 * @brief Initialized an already allocated OFData with the specified `count`
 *	  items of the specified size.
 *
 * @param items The items to store in the OFData
 * @param itemSize The item size of a single item in bytes
 * @param count The number of items
 * @return An initialized OFData
 */
- initWithItems: (const void *)items
       itemSize: (size_t)itemSize
	  count: (size_t)count;

/*!
 * @brief Initializes an already allocated OFData with the specified `count`
 *	  items of size 1 by taking over ownership of the specified items
 *	  pointer.
 *
 * @param items The items to store in the OFData
 * @param count The number of items
 * @param freeWhenDone Whether to free the pointer when it is no longer needed
 *		       by the OFData
 * @return An initialized OFData
 */
- initWithItemsNoCopy: (const void *)items
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone;

/*!
 * @brief Initializes an already allocated OFData with the specified `count`
 *	  items of the specified size by taking ownership of the specified
 *	  items pointer.
 *
 * @param items The items to store in the OFData
 * @param itemSize The item size of a single item in bytes
 * @param count The number of items
 * @param freeWhenDone Whether to free the pointer when it is no longer needed
 *		       by the OFData
 * @return An initialized OFData
 */
- initWithItemsNoCopy: (const void *)items
	     itemSize: (size_t)itemSize
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone;

#ifdef OF_HAVE_FILES
/*!
 * @brief Initializes an already allocated OFData with an item size of 1,
 *	  containing the data of the specified file.
 *
 * @param path The path of the file
 * @return An initialized OFData
 */
- initWithContentsOfFile: (OFString *)path;
#endif

#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
/*!
 * @brief Initializes an already allocated OFData with an item size of 1,
 *	  containing the data of the specified URL.
 *
 * @param URL The URL to the contents for the OFData
 * @return A new autoreleased OFData
 */
- initWithContentsOfURL: (OFURL *)URL;
#endif

/*!
 * @brief Initializes an already allocated OFData with an item size of 1,
 *	  containing the data of the string representation.
 *
 * @param string The string representation of the data
 * @return A new autoreleased OFData
 */
- initWithStringRepresentation: (OFString *)string;

/*!
 * @brief Initializes an already allocated OFData with an item size of 1,
 *	  containing the data of the Base64-encoded string.
 *
 * @param string The string with the Base64-encoded data
 * @return An initialized OFData
 */
- initWithBase64EncodedString: (OFString *)string;

/*!
 * @brief Returns the number of items in the OFData.
 *
 * @return The number of items in the OFData
 */
- (size_t)count;

/*!
 * @brief Returns all items of the OFData as a C array.
 *
 * @warning The pointer is only valid until the OFData is changed!
 *
 * @return All elements of the OFData as a C array
 */
- (const void *)items OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns a specific item of the OFData.
 *
 * @param index The number of the item to return
 * @return The specified item of the OFData
 */
- (const void *)itemAtIndex: (size_t)index OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns the first item of the OFData.
 *
 * @return The first item of the OFData or NULL
 */
- (nullable const void *)firstItem OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns the last item of the OFData.
 *
 * @return The last item of the OFData or NULL
 */
- (nullable const void *)lastItem OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns the string representation of the data.
 *
 * The string representation is a hex dump of the data, grouped by itemSize
 * bytes.
 *
 * @return The string representation of the data.
 */
- (OFString *)stringRepresentation;

/*!
 * @brief Returns a string containing the data in Base64 encoding.
 *
 * @return A string containing the data in Base64 encoding
 */
- (OFString *)stringByBase64Encoding;

#ifdef OF_HAVE_FILES
/*!
 * @brief Writes the OFData into the specified file.
 *
 * @param path The path of the file to write to
 */
- (void)writeToFile: (OFString *)path;
#endif
@end

OF_ASSUME_NONNULL_END

#import "OFMutableData.h"
#import "OFData+CryptoHashing.h"
#import "OFData+MessagePackValue.h"

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

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

#import "OFData.h"
#import "OFData+Private.h"
#import "OFString.h"
#ifdef OF_HAVE_FILES
# import "OFFile.h"
# import "OFFileManager.h"
#endif
#import "OFURL.h"
#ifdef OF_HAVE_SOCKETS
# import "OFHTTPClient.h"
# import "OFHTTPRequest.h"
# import "OFHTTPResponse.h"
#endif
#import "OFDictionary.h"
#import "OFXMLElement.h"
#import "OFSystemInfo.h"

#ifdef OF_HAVE_SOCKETS
# import "OFHTTPRequestFailedException.h"
#endif
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerReplyException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFTruncatedDataException.h"
#import "OFUnsupportedProtocolException.h"

#import "base64.h"

/* References for static linking */
void
_references_to_categories_of_OFData(void)
{
	_OFData_CryptoHashing_reference = 1;
	_OFData_MessagePackValue_reference = 1;
}

@implementation OFData
@synthesize itemSize = _itemSize;

+ (instancetype)dataWithItems: (const void *)items
			count: (size_t)count
{
	return [[[self alloc] initWithItems: items
				      count: count] autorelease];
}

+ (instancetype)dataWithItems: (const void *)items
		     itemSize: (size_t)itemSize
			count: (size_t)count
{
	return [[[self alloc] initWithItems: items
				   itemSize: itemSize
				      count: count] autorelease];
}

+ (instancetype)dataWithItemsNoCopy: (const void *)items
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone
{
	return [[[self alloc] initWithItemsNoCopy: items
					    count: count
				     freeWhenDone: freeWhenDone] autorelease];
}

+ (instancetype)dataWithItemsNoCopy: (const void *)items
			   itemSize: (size_t)itemSize
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone
{
	return [[[self alloc] initWithItemsNoCopy: items
					 itemSize: itemSize
					    count: count
				     freeWhenDone: freeWhenDone] autorelease];
}

#ifdef OF_HAVE_FILES
+ (instancetype)dataWithContentsOfFile: (OFString *)path
{
	return [[[self alloc] initWithContentsOfFile: path] autorelease];
}
#endif

#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
+ (instancetype)dataWithContentsOfURL: (OFURL *)URL
{
	return [[[self alloc] initWithContentsOfURL: URL] autorelease];
}
#endif

+ (instancetype)dataWithStringRepresentation: (OFString *)string
{
	return [[[self alloc]
	    initWithStringRepresentation: string] autorelease];
}

+ (instancetype)dataWithBase64EncodedString: (OFString *)string
{
	return [[[self alloc] initWithBase64EncodedString: string] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)of_init
{
	return [super init];
}

- initWithItems: (const void *)items
	  count: (size_t)count
{
	return [self initWithItems: items
			  itemSize: 1
			     count: count];
}

- initWithItems: (const void *)items
       itemSize: (size_t)itemSize
	  count: (size_t)count
{
	self = [super init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_itemSize = itemSize;
		_count = count;
		_items = [self allocMemoryWithSize: itemSize
					     count: count];

		memcpy(_items, items, itemSize * count);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithItemsNoCopy: (const void *)items
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone
{
	return [self initWithItemsNoCopy: items
				itemSize: 1
				   count: count
			    freeWhenDone: freeWhenDone];
}

- initWithItemsNoCopy: (const void *)items
	     itemSize: (size_t)itemSize
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone
{
	self = [super init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_items = (char *)items;
		_itemSize = itemSize;
		_count = count;
		_freeWhenDone = freeWhenDone;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

#ifdef OF_HAVE_FILES
- initWithContentsOfFile: (OFString *)path
{
	@try {
		of_offset_t size = [[OFFileManager defaultManager]
		    sizeOfFileAtPath: path];
		char *buffer;

		if (sizeof(of_offset_t) > sizeof(size_t) &&
		    size > (of_offset_t)SIZE_MAX)
			@throw [OFOutOfRangeException exception];

		buffer = malloc(size);
		if (buffer == NULL)
			@throw [OFOutOfMemoryException
			    exceptionWithRequestedSize: size];

		@try {
			OFFile *file = [[OFFile alloc] initWithPath: path
							       mode: @"rb"];
			@try {
				[file readIntoBuffer: buffer
					 exactLength: size];
			} @finally {
				[file release];
			}

			self = [self initWithItemsNoCopy: buffer
						   count: size
					    freeWhenDone: true];
		} @catch (id e) {
			free(buffer);
			@throw e;
		}
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
#endif

#if defined(OF_HAVE_FILES) || defined(OF_HAVE_SOCKETS)
- initWithContentsOfURL: (OFURL *)URL
{
	void *pool;
	OFString *scheme;

	pool = objc_autoreleasePoolPush();

	scheme = [URL scheme];

# ifdef OF_HAVE_FILES
	if ([scheme isEqual: @"file"])
		self = [self initWithContentsOfFile: [URL path]];
	else
# endif
# ifdef OF_HAVE_SOCKETS
	if ([scheme isEqual: @"http"] || [scheme isEqual: @"https"]) {
		bool mutable = [self isKindOfClass: [OFMutableData class]];

		if (!mutable) {
			[self release];
			self = [OFMutableData alloc];
		}

		self = [(OFMutableData *)self init];

		@try {
			OFHTTPClient *client = [OFHTTPClient client];
			OFHTTPRequest *request = [OFHTTPRequest
			    requestWithURL: URL];
			OFHTTPResponse *response = [client
			    performRequest: request];
			size_t pageSize;
			char *buffer;
			OFDictionary *headers;
			OFString *contentLengthString;

			if ([response statusCode] != 200)
				@throw [OFHTTPRequestFailedException
				    exceptionWithRequest: request
						response: response];

			pageSize = [OFSystemInfo pageSize];
			buffer = [self allocMemoryWithSize: pageSize];

			@try {
				while (![response isAtEndOfStream]) {
					size_t length;

					length = [response
					    readIntoBuffer: buffer
						    length: pageSize];
					[(OFMutableData *)self
					    addItems: buffer
					       count: length];
				}
			} @finally {
				[self freeMemory: buffer];
			}

			headers = [response headers];
			if ((contentLengthString =
			    [headers objectForKey: @"Content-Length"]) != nil) {
				intmax_t contentLength =
				    [contentLengthString decimalValue];

				if (contentLength < 0)
					@throw [OFInvalidServerReplyException
					    exception];

				if ((uintmax_t)[self count] !=
				    (uintmax_t)contentLength)
					@throw [OFTruncatedDataException
					    exception];
			}
		} @catch (id e) {
			[self release];
			@throw e;
		}

		if (!mutable)
			[(OFMutableData *)self makeImmutable];
	} else
# endif
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	objc_autoreleasePoolPop(pool);

	return self;
}
#endif

- initWithStringRepresentation: (OFString *)string
{
	self = [super init];

	@try {
		size_t count = [string
		    cStringLengthWithEncoding: OF_STRING_ENCODING_ASCII];
		const char *cString;

		if (count % 2 != 0)
			@throw [OFInvalidFormatException exception];

		count /= 2;

		_items = [self allocMemoryWithSize: count];
		_itemSize = 1;
		_count = count;

		cString = [string
		    cStringWithEncoding: OF_STRING_ENCODING_ASCII];

		for (size_t i = 0; i < count; i++) {
			uint8_t c1 = cString[2 * i];
			uint8_t c2 = cString[2 * i + 1];
			uint8_t byte;

			if (c1 >= '0' && c1 <= '9')
				byte = (c1 - '0') << 4;
			else if (c1 >= 'a' && c1 <= 'f')
				byte = (c1 - 'a' + 10) << 4;
			else if (c1 >= 'A' && c1 <= 'F')
				byte = (c1 - 'A' + 10) << 4;
			else
				@throw [OFInvalidFormatException exception];

			if (c2 >= '0' && c2 <= '9')
				byte |= c2 - '0';
			else if (c2 >= 'a' && c2 <= 'f')
				byte |= c2 - 'a' + 10;
			else if (c2 >= 'A' && c2 <= 'F')
				byte |= c2 - 'A' + 10;
			else
				@throw [OFInvalidFormatException exception];

			_items[i] = byte;
		}
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithBase64EncodedString: (OFString *)string
{
	bool mutable = [self isKindOfClass: [OFMutableData class]];

	if (!mutable) {
		[self release];
		self = [OFMutableData alloc];
	}

	self = [(OFMutableData *)self initWithCapacity: [string length] / 3];

	@try {
		if (!of_base64_decode((OFMutableData *)self,
		    [string cStringWithEncoding: OF_STRING_ENCODING_ASCII],
		    [string cStringLengthWithEncoding:
		    OF_STRING_ENCODING_ASCII]))
			@throw [OFInvalidFormatException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	if (!mutable)
		[(OFMutableData *)self makeImmutable];

	return self;
}

- initWithSerialization: (OFXMLElement *)element
{
	@try {
		void *pool = objc_autoreleasePoolPush();
		OFString *stringValue;

		if (![[element name] isEqual: [self className]] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS])
			@throw [OFInvalidArgumentException exception];

		stringValue = [element stringValue];

		self = [self initWithBase64EncodedString: stringValue];

		objc_autoreleasePoolPop(pool);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	if (_freeWhenDone)
		free(_items);

	[super dealloc];
}

- (size_t)count
{
	return _count;
}

- (const void *)items
{
	return _items;
}

- (const void *)itemAtIndex: (size_t)index
{
	if (index >= _count)
		@throw [OFOutOfRangeException exception];

	return _items + index * _itemSize;
}

- (const void *)firstItem
{
	if (_items == NULL || _count == 0)
		return NULL;

	return _items;
}

- (const void *)lastItem
{
	if (_items == NULL || _count == 0)
		return NULL;

	return _items + (_count - 1) * _itemSize;
}

- copy
{
	return [self retain];
}

- mutableCopy
{
	return [[OFMutableData alloc] initWithItems: _items
					   itemSize: _itemSize
					      count: _count];
}

- (bool)isEqual: (id)object
{
	OFData *data;

	if (![object isKindOfClass: [OFData class]])
		return false;

	data = object;

	if ([data count] != _count || [data itemSize] != _itemSize)
		return false;
	if (memcmp([data items], _items, _count * _itemSize) != 0)
		return false;

	return true;
}

- (of_comparison_result_t)compare: (id <OFComparing>)object
{
	OFData *data;
	int comparison;
	size_t count, minCount;

	if (![object isKindOfClass: [OFData class]])
		@throw [OFInvalidArgumentException exception];

	data = (OFData *)object;

	if ([data itemSize] != _itemSize)
		@throw [OFInvalidArgumentException exception];

	count = [data count];
	minCount = (_count > count ? count : _count);

	if ((comparison = memcmp(_items, [data items],
	    minCount * _itemSize)) == 0) {
		if (_count > count)
			return OF_ORDERED_DESCENDING;
		if (_count < count)
			return OF_ORDERED_ASCENDING;

		return OF_ORDERED_SAME;
	}

	if (comparison > 0)
		return OF_ORDERED_DESCENDING;
	else
		return OF_ORDERED_ASCENDING;
}

- (uint32_t)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	for (size_t i = 0; i < _count * _itemSize; i++)
		OF_HASH_ADD(hash, ((uint8_t *)_items)[i]);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	OFMutableString *ret = [OFMutableString stringWithString: @"<"];

	for (size_t i = 0; i < _count; i++) {
		if (i > 0)
			[ret appendString: @" "];

		for (size_t j = 0; j < _itemSize; j++)
			[ret appendFormat: @"%02x", _items[i * _itemSize + j]];
	}

	[ret appendString: @">"];

	[ret makeImmutable];
	return ret;
}

- (OFString *)stringRepresentation
{
	OFMutableString *ret = [OFMutableString string];

	for (size_t i = 0; i < _count; i++)
		for (size_t j = 0; j < _itemSize; j++)
			[ret appendFormat: @"%02x", _items[i * _itemSize + j]];

	[ret makeImmutable];
	return ret;
}

- (OFString *)stringByBase64Encoding
{
	return of_base64_encode(_items, _count * _itemSize);
}

#ifdef OF_HAVE_FILES
- (void)writeToFile: (OFString *)path
{
	OFFile *file = [[OFFile alloc] initWithPath: path
					       mode: @"wb"];

	@try {
		[file writeBuffer: _items
			   length: _count * _itemSize];
	} @finally {
		[file release];
	}
}
#endif

- (OFXMLElement *)XMLElementBySerializing
{
	void *pool;
	OFXMLElement *element;

	if (_itemSize != 1)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	element = [OFXMLElement
	    elementWithName: [self className]
		  namespace: OF_SERIALIZATION_NS
		stringValue: of_base64_encode(_items, _count * _itemSize)];

	[element retain];

	objc_autoreleasePoolPop(pool);

	return [element autorelease];
}

- (OFData *)messagePackRepresentation
{
	OFMutableData *data;

	if (_itemSize != 1)
		@throw [OFInvalidArgumentException exception];

	if (_count <= UINT8_MAX) {
		uint8_t type = 0xC4;
		uint8_t tmp = (uint8_t)_count;

		data = [OFMutableData dataWithItemSize: 1
					      capacity: _count + 2];

		[data addItem: &type];
		[data addItem: &tmp];
	} else if (_count <= UINT16_MAX) {
		uint8_t type = 0xC5;
		uint16_t tmp = OF_BSWAP16_IF_LE((uint16_t)_count);

		data = [OFMutableData dataWithItemSize: 1
					      capacity: _count + 3];

		[data addItem: &type];
		[data addItems: &tmp
			 count: sizeof(tmp)];
	} else if (_count <= UINT32_MAX) {
		uint8_t type = 0xC6;
		uint32_t tmp = OF_BSWAP32_IF_LE((uint32_t)_count);

		data = [OFMutableData dataWithItemSize: 1
					      capacity: _count + 5];

		[data addItem: &type];
		[data addItems: &tmp
			 count: sizeof(tmp)];
	} else
		@throw [OFOutOfRangeException exception];

	[data addItems: _items
		 count: _count];

	[data makeImmutable];

	return data;
}
@end

#include <assert.h>

#import "OFDictionary.h"
#import "OFDictionary_hashtable.h"
#import "OFArray.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFData.h"

#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"
#import "OFUndefinedKeyException.h"

static struct {
	Class isa;

	[JSON makeImmutable];

	objc_autoreleasePoolPop(pool);

	return JSON;
}

- (OFData *)messagePackRepresentation
{
	OFMutableData *data;
	size_t i, count;
	void *pool;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	id key, object;

	data = [OFMutableData data];
	count = [self count];

	if (count <= 15) {
		uint8_t tmp = 0x80 | ((uint8_t)count & 0xF);
		[data addItem: &tmp];
	} else if (count <= UINT16_MAX) {
		uint8_t type = 0xDE;

	i = 0;
	keyEnumerator = [self keyEnumerator];
	objectEnumerator = [self objectEnumerator];
	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		void *pool2 = objc_autoreleasePoolPush();
		OFData *child;

		i++;

		child = [key messagePackRepresentation];
		[data addItems: [child items]
			 count: [child count]];

		child = [object messagePackRepresentation];
		[data addItems: [child items]
			 count: [child count]];

		objc_autoreleasePoolPop(pool2);
	}

	assert(i == count);

	[data makeImmutable];

	objc_autoreleasePoolPop(pool);

	return data;
}
@end

#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif

#import "OFFile.h"
#import "OFString.h"
#import "OFLocalization.h"


#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFNotOpenException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"

@class OFHTTPClient;
@class OFHTTPRequest;
@class OFHTTPResponse;
@class OFURL;
@class OFTCPSocket;
@class OFDictionary OF_GENERIC(KeyType, ObjectType);


/*!
 * @protocol OFHTTPClientDelegate OFHTTPClient.h ObjFW/OFHTTPClient.h
 *
 * @brief A delegate for OFHTTPClient.
 */
@protocol OFHTTPClientDelegate <OFObject>

#import "OFHTTPClient.h"
#import "OFHTTPRequest.h"
#import "OFHTTPResponse.h"
#import "OFString.h"
#import "OFURL.h"
#import "OFTCPSocket.h"
#import "OFDictionary.h"
#import "OFData.h"

#import "OFHTTPRequestFailedException.h"
#import "OFInvalidEncodingException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerReplyException.h"
#import "OFNotImplementedException.h"
#import "OFNotOpenException.h"

	OFURL *URL = [request URL];
	OFString *scheme = [URL scheme];
	of_http_request_method_t method = [request method];
	OFString *path;
	OFMutableString *requestString;
	OFString *user, *password;
	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *headers;
	OFData *body = [request body];
	OFTCPSocket *socket;
	OFHTTPClientResponse *response;
	OFString *line, *version, *redirect, *connectionHeader;
	bool keepAlive;
	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *serverHeaders;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;

	}

	user = [URL user];
	password = [URL password];

	if (([user length] > 0 || [password length] > 0) &&
	    [headers objectForKey: @"Authorization"] == nil) {
		OFMutableData *authorizationData = [OFMutableData data];
		OFString *authorization;

		[authorizationData addItems: [user UTF8String]
				      count: [user UTF8StringLength]];
		[authorizationData addItem: ":"];
		[authorizationData addItems: [password UTF8String]
				      count: [password UTF8StringLength]];

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

OF_ASSUME_NONNULL_BEGIN

@class OFURL;
@class OFDictionary OF_GENERIC(KeyType, ObjectType);
@class OFData;
@class OFString;

/*! @file */

/*!
 * @brief The type of an HTTP request.
 */

 */
@interface OFHTTPRequest: OFObject <OFCopying>
{
	OFURL *_URL;
	of_http_request_method_t _method;
	of_http_request_protocol_version_t _protocolVersion;
	OFDictionary OF_GENERIC(OFString *, OFString *) *_headers;
	OFData *_body;
	OFString *_remoteAddress;
}

/*!
 * The URL of the HTTP request.
 */
@property (nonatomic, copy) OFURL *URL;

 */
@property OF_NULLABLE_PROPERTY (nonatomic, copy)
    OFDictionary OF_GENERIC(OFString *, OFString *) *headers;

/*!
 * The entity body of the HTTP request.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, copy) OFData *body;

/*!
 * The remote address from which the request originates.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, copy) OFString *remoteAddress;

/*!

#include <string.h>

#import "OFHTTPRequest.h"
#import "OFString.h"
#import "OFURL.h"
#import "OFDictionary.h"
#import "OFData.h"
#import "OFArray.h"

#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "OFUnsupportedVersionException.h"

const char *

		       encoding: OF_STRING_ENCODING_UTF_8];
}

- (void)setBodyFromString: (OFString *)string
		 encoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();


	[self setBody: [OFData
	    dataWithItems: [string cStringWithEncoding: encoding]
		    count: [string cStringLengthWithEncoding: encoding]]];


	objc_autoreleasePoolPop(pool);
}

- (OFString *)description
{
	void *pool = objc_autoreleasePoolPush();

#include "config.h"

#import "OFHTTPResponse.h"
#import "OFString.h"
#import "OFDictionary.h"
#import "OFArray.h"
#import "OFData.h"

#import "OFInvalidEncodingException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "OFTruncatedDataException.h"
#import "OFUnsupportedVersionException.h"

	return [self stringWithEncoding: OF_STRING_ENCODING_AUTODETECT];
}

- (OFString *)stringWithEncoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();
	OFString *contentType, *contentLength, *ret;
	OFData *data;

	if (encoding == OF_STRING_ENCODING_AUTODETECT &&
	    (contentType = [_headers objectForKey: @"Content-Type"]) != nil)
		encoding = encodingForContentType(contentType);

	if (encoding == OF_STRING_ENCODING_AUTODETECT)
		encoding = OF_STRING_ENCODING_UTF_8;

	data = [self readDataUntilEndOfStream];

	if ((contentLength = [_headers objectForKey: @"Content-Length"]) != nil)
		if ([data count] != (size_t)[contentLength decimalValue])
			@throw [OFTruncatedDataException exception];

	ret = [[OFString alloc] initWithCString: (char *)[data items]
				       encoding: encoding

#include "config.h"

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

#import "OFHTTPServer.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFDictionary.h"
#import "OFURL.h"
#import "OFHTTPRequest.h"
#import "OFHTTPResponse.h"
#import "OFTCPSocket.h"
#import "OFTimer.h"

	} _state;
	uint8_t _HTTPMinorVersion;
	of_http_request_method_t _method;
	OFString *_host, *_path;
	uint16_t _port;
	OFMutableDictionary *_headers;
	size_t _contentLength;
	OFMutableData *_body;
}

- initWithSocket: (OFTCPSocket *)socket
	  server: (OFHTTPServer *)server;
- (bool)socket: (OFTCPSocket *)socket
   didReadLine: (OFString *)line
     exception: (OFException *)exception;

			return [self sendErrorAndClose: 400];
		}

		if (contentLength > 0) {
			char *buffer;

			buffer = [self allocMemoryWithSize: BUFFER_SIZE];
			_body = [[OFMutableData alloc] init];

			[_socket asyncReadIntoBuffer: buffer
					      length: BUFFER_SIZE
					      target: self
					    selector: @selector(socket:
							  didReadIntoBuffer:
							  length:exception:)];

		/*
		 * Manually free the buffer here. While this is not required
		 * now as the async read is the only thing referencing self and
		 * the buffer is allocated on self, it is required once
		 * Connection: keep-alive is implemented.
		 */
		[self freeMemory: buffer];

		[_body makeImmutable];

		@try {
			[self createResponse];
		} @catch (OFWriteFailedException *e) {
			return false;
		}

#ifndef INFLATE64
# import "OFInflateStream.h"
#else
# import "OFInflate64Stream.h"
# define OFInflateStream OFInflate64Stream
#endif


#import "OFInitializationFailedException.h"
#import "OFInvalidFormatException.h"
#import "OFNotOpenException.h"
#import "OFOutOfMemoryException.h"

#define BUFFER_SIZE		  OF_INFLATE_STREAM_BUFFER_SIZE

OF_ASSUME_NONNULL_BEGIN

@class OFMutableArray OF_GENERIC(ObjectType);
@class OFDate;
#ifdef OF_HAVE_THREADS
@class OFMutex;
#endif
@class OFMutableData;

/*!
 * @protocol OFKernelEventObserverDelegate
 *	     OFKernelEventObserver.h ObjFW/OFKernelEventObserver.h
 *
 * @brief A protocol that needs to be implemented by delegates for
 *	  OFKernelEventObserver.

#else
	of_socket_t _cancelFD[2];
	struct sockaddr_in _cancelAddr;
#endif
#ifdef OF_HAVE_THREADS
	OFMutex *_mutex;
#endif
	OFMutableData *_queueActions;
	OFMutableArray *_queueObjects;
}

/*!
 * The delegate for the OFKernelEventObserver.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, assign)

#include "config.h"

#include <errno.h>

#import "OFKernelEventObserver.h"
#import "OFKernelEventObserver+Private.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFStream.h"
#import "OFStream+Private.h"
#ifndef OF_HAVE_PIPE
# import "OFStreamSocket.h"
#endif
#import "OFDate.h"
#ifdef OF_HAVE_THREADS

# endif
#endif

#ifdef OF_HAVE_THREADS
		_mutex = [[OFMutex alloc] init];
#endif

		_queueActions = [[OFMutableData alloc]
		    initWithItemSize: sizeof(int)];
		_queueObjects = [[OFMutableArray alloc] init];
	} @catch (id e) {
		[self release];
		@throw e;
	}

 * file.
 */

#import "OFKernelEventObserver.h"

OF_ASSUME_NONNULL_BEGIN


@class OFMutableArray OF_GENERIC(ObjectType);

@interface OFKernelEventObserver_kqueue: OFKernelEventObserver
{
	int _kernelQueue;
}
@end

OF_ASSUME_NONNULL_END

#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>

#import "OFKernelEventObserver.h"
#import "OFKernelEventObserver+Private.h"
#import "OFKernelEventObserver_kqueue.h"

#import "OFArray.h"
#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif

#import "OFInitializationFailedException.h"
#import "OFObserveFailedException.h"

 * file.
 */

#import "OFKernelEventObserver.h"

OF_ASSUME_NONNULL_BEGIN

@class OFMutableData;

@interface OFKernelEventObserver_poll: OFKernelEventObserver
{
	OFMutableData *_FDs;
	int _maxFD;
	id __unsafe_unretained *_FDToObject;
}
@end

OF_ASSUME_NONNULL_END

#ifdef HAVE_POLL_H
# include <poll.h>
#endif

#import "OFKernelEventObserver.h"
#import "OFKernelEventObserver+Private.h"
#import "OFKernelEventObserver_poll.h"
#import "OFData.h"

#import "OFObserveFailedException.h"
#import "OFOutOfRangeException.h"

#import "socket_helpers.h"

#ifdef OF_WII
# define pollfd pollsd
# define fd socket
#endif

@implementation OFKernelEventObserver_poll
- init
{
	self = [super init];

	@try {
		struct pollfd p = { _cancelFD[0], POLLIN, 0 };

		_FDs = [[OFMutableData alloc] initWithItemSize:
		    sizeof(struct pollfd)];
		[_FDs addItem: &p];

		_maxFD = _cancelFD[0];
		_FDToObject = [self allocMemoryWithSize: sizeof(id)
						  count: (size_t)_maxFD + 1];
	} @catch (id e) {

 */

#import "OFObject.h"
#import "OFMessagePackRepresentation.h"

OF_ASSUME_NONNULL_BEGIN

@class OFData;

/*!
 * @class OFMessagePackExtension \
 *	  OFMessagePackExtension.h ObjFW/OFMessagePackExtension.h
 *
 * @brief A class for representing the MessagePack extension type.
 */
@interface OFMessagePackExtension: OFObject <OFMessagePackRepresentation,
    OFCopying>
{
	int8_t _type;
	OFData *_data;
}

/*!
 * The MessagePack extension type.
 */
@property (readonly, nonatomic) int8_t type;

/*!
 * @return The data of the extension.
 */
@property (readonly, nonatomic) OFData *data;

/*!
 * @brief Creates a new OFMessagePackRepresentation with the specified type and
 *	  data.
 *
 * @param type The MessagePack extension type
 * @param data The data for the extension
 * @return A new, autoreleased OFMessagePackRepresentation
 */
+ (instancetype)extensionWithType: (int8_t)type
			     data: (OFData *)data;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated OFMessagePackRepresentation with the
 *	  specified type and data.
 *
 * @param type The MessagePack extension type
 * @param data The data for the extension
 * @return An initialized OFMessagePackRepresentation
 */
- initWithType: (int8_t)type
	  data: (OFData *)data OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFMessagePackExtension.h"
#import "OFData.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@implementation OFMessagePackExtension
@synthesize type = _type, data = _data;

+ (instancetype)extensionWithType: (int8_t)type
			     data: (OFData *)data
{
	return [[[self alloc] initWithType: type
				      data: data] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithType: (int8_t)type
	  data: (OFData *)data
{
	self = [super init];

	@try {
		if (data == nil || [data itemSize] != 1)
			@throw [OFInvalidArgumentException exception];

		_type = type;
		_data = [data copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_data release];

	[super dealloc];
}

- (OFData *)messagePackRepresentation
{
	OFMutableData *ret;
	uint8_t prefix;
	size_t count = [_data count];

	if (count == 1) {
		ret = [OFMutableData dataWithCapacity: 3];

		prefix = 0xD4;
		[ret addItem: &prefix];

		[ret addItem: &_type];
	} else if (count == 2) {
		ret = [OFMutableData dataWithCapacity: 4];

		prefix = 0xD5;
		[ret addItem: &prefix];

		[ret addItem: &_type];
	} else if (count == 4) {
		ret = [OFMutableData dataWithCapacity: 6];

		prefix = 0xD6;
		[ret addItem: &prefix];

		[ret addItem: &_type];
	} else if (count == 8) {
		ret = [OFMutableData dataWithCapacity: 10];

		prefix = 0xD7;
		[ret addItem: &prefix];

		[ret addItem: &_type];
	} else if (count == 16) {
		ret = [OFMutableData dataWithCapacity: 18];

		prefix = 0xD8;
		[ret addItem: &prefix];

		[ret addItem: &_type];
	} else if (count < 0x100) {
		uint8_t length;

		ret = [OFMutableData dataWithCapacity: count + 3];

		prefix = 0xC7;
		[ret addItem: &prefix];

		length = (uint8_t)count;
		[ret addItem: &length];

		[ret addItem: &_type];
	} else if (count < 0x10000) {
		uint16_t length;

		ret = [OFMutableData dataWithCapacity: count + 4];

		prefix = 0xC8;
		[ret addItem: &prefix];

		length = OF_BSWAP16_IF_LE((uint16_t)count);
		[ret addItems: &length
			count: 2];

		[ret addItem: &_type];
	} else {
		uint32_t length;

		ret = [OFMutableData dataWithCapacity: count + 6];

		prefix = 0xC9;
		[ret addItem: &prefix];

		length = OF_BSWAP32_IF_LE((uint32_t)count);
		[ret addItems: &length
			count: 4];

		[ret addItem: &_type];
	}

	[ret addItems: [_data items]
		count: [_data count]];

	[ret makeImmutable];

	return ret;
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"<OFMessagePackExtension: %d, %@>",

	OF_HASH_FINALIZE(hash);

	return hash;
}

- copy
{











	return [self retain];
}
@end

 * file.
 */

#import "OFObject.h"

OF_ASSUME_NONNULL_BEGIN

@class OFData;

/*!
 * @protocol OFMessagePackRepresentation
 *	     OFMessagePackRepresentation.h ObjFW/OFMessagePackRepresentation.h
 *
 * @brief A protocol implemented by classes that support encoding to a
 *	  MessagePack representation.
 */
@protocol OFMessagePackRepresentation
/*!
 * @brief Returns the MessagePack representation of the object as OFData.

 *
 * @return The MessagePack representation of the object as OFData.
 */
- (OFData *)messagePackRepresentation;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#import "OFArray.h"

OF_ASSUME_NONNULL_BEGIN

@class OFMutableData;

@interface OFMutableArray_adjacent: OFMutableArray
{
	OFMutableData *_array;
	unsigned long _mutations;
}
@end

OF_ASSUME_NONNULL_END

#include "config.h"

#include <string.h>

#import "OFMutableArray_adjacent.h"
#import "OFArray_adjacent.h"
#import "OFData.h"

#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"

@implementation OFMutableArray_adjacent
+ (void)initialize
{
	if (self == [OFMutableArray_adjacent class])
		[self inheritMethodsFromClass: [OFArray_adjacent class]];
}

- initWithCapacity: (size_t)capacity
{
	self = [super init];

	@try {
		_array = [[OFMutableData alloc] initWithItemSize: sizeof(id)
							capacity: capacity];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFData.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;
@class OFURL;

/*!
 * @class OFMutableData OFMutableData.h ObjFW/OFMutableData.h
 *
 * @brief A class for storing and manipulating arbitrary data in an array.
 */
@interface OFMutableData: OFData
{
	size_t _capacity;
}

/*!
 * @brief Creates a new OFMutableData with an item size of 1.
 *
 * @return A new autoreleased OFMutableData
 */
+ (instancetype)data;

/*!
 * @brief Creates a new OFMutableData whose items all have the same specified
 *	  size.
 *
 * @param itemSize The size of a single element in the OFMutableData
 * @return A new autoreleased OFMutableData
 */
+ (instancetype)dataWithItemSize: (size_t)itemSize;

/*!
 * @brief Creates a new OFMutableData with enough memory to hold the specified
 *	  number of items which all have an item size of 1.
 *
 * @param capacity The initial capacity for the OFMutableData
 * @return A new autoreleased OFMutableData
 */
+ (instancetype)dataWithCapacity: (size_t)capacity;

/*!
 * @brief Creates a new OFMutableData with enough memory to hold the specified
 *	  number of items which all have the same specified size.
 *
 * @param itemSize The size of a single element in the OFMutableData
 * @param capacity The initial capacity for the OFMutableData
 * @return A new autoreleased OFMutableData
 */
+ (instancetype)dataWithItemSize: (size_t)itemSize
			capacity: (size_t)capacity;

+ (instancetype)dataWithItemsNoCopy: (const void *)items
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone OF_UNAVAILABLE;
+ (instancetype)dataWithItemsNoCopy: (const void *)items
			   itemSize: (size_t)itemSize
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated OFMutableData with an item size of 1.
 *
 * @return An initialized OFMutableData
 */
- init;

/*!
 * @brief Initializes an already allocated OFMutableData whose items all have
 *	  the same size.
 *
 * @param itemSize The size of a single element in the OFMutableData
 * @return An initialized OFMutableData
 */
- initWithItemSize: (size_t)itemSize;

/*!
 * @brief Initializes an already allocated OFMutableData with enough memory to
 *	  hold the the specified number of items which all have an item size of
 *	  1.
 *
 * @param capacity The initial capacity for the OFMutableData
 * @return An initialized OFMutableData
 */
- initWithCapacity: (size_t)capacity;

/*!
 * @brief Initializes an already allocated OFMutableData with enough memory to
 *	  hold the the specified number of items which all have the same
 *	  specified size.
 *
 * @param itemSize The size of a single element in the OFMutableData
 * @param capacity The initial capacity for the OFMutableData
 * @return An initialized OFMutableData
 */
- initWithItemSize: (size_t)itemSize
	  capacity: (size_t)capacity;

- initWithItemsNoCopy: (const void *)items
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone OF_UNAVAILABLE;
- initWithItemsNoCopy: (const void *)items
	     itemSize: (size_t)itemSize
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone OF_UNAVAILABLE;

/*!
 * @brief Adds an item to the OFMutableData.
 *
 * @param item A pointer to an arbitrary item
 */
- (void)addItem: (const void *)item;

/*!
 * @brief Adds an item to the OFMutableData at the specified index.
 *
 * @param item A pointer to an arbitrary item
 * @param index The index where the item should be added
 */
- (void)insertItem: (const void *)item
	   atIndex: (size_t)index;

/*!
 * @brief Adds items from a C array to the OFMutableData.
 *
 * @param items A C array containing the items to add
 * @param count The number of items to add
 */
- (void)addItems: (const void *)items
	   count: (size_t)count;

/*!
 * @brief Adds items from a C array to the OFMutableData at the specified index.
 *
 * @param items A C array containing the items to add
 * @param index The index where the items should be added
 * @param count The number of items to add
 */
- (void)insertItems: (const void *)items
	    atIndex: (size_t)index
	      count: (size_t)count;

/*!
 * @brief Removes the item at the specified index.
 *
 * @param index The index of the item to remove
 */
- (void)removeItemAtIndex: (size_t)index;

/*!
 * @brief Removes the specified amount of items at the specified index.
 *
 * @param range The range of items to remove
 */
- (void)removeItemsInRange: (of_range_t)range;

/*!
 * @brief Removes the last item.
 */
- (void)removeLastItem;

/*!
 * @brief Removes all items.
 */
- (void)removeAllItems;

/*!
 * @brief Converts the mutable URL to an immutable URL.
 */
- (void)makeImmutable;
@end

@interface OFMutableData (MutableRetrieving)
/*!
 * @brief Returns all items of the OFMutableData as a C array.
 *
 * @warning The pointer is only valid until the OFMutableData is changed!
 *
 * Modifying the returned array directly is allowed and will change the contents
 * of the data array.
 *
 * @return All elements of the OFMutableData as a C array
 */
- (void *)items OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns a specific item of the OFMutableData.
 *
 * Modifying the returned item directly is allowed and will change the contents
 * of the data array.
 *
 * @param index The number of the item to return
 * @return The specified item of the OFMutableData
 */
- (void *)itemAtIndex: (size_t)index OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns the first item of the OFMutableData.
 *
 * Modifying the returned item directly is allowed and will change the contents
 * of the data array.
 *
 * @return The first item of the OFMutableData or NULL
 */
- (nullable void *)firstItem OF_RETURNS_INNER_POINTER;

/*!
 * @brief Returns the last item of the OFMutableData.
 *
 * Modifying the returned item directly is allowed and will change the contents
 * of the data array.
 *
 * @return The last item of the OFMutableData or NULL
 */
- (nullable void *)lastItem OF_RETURNS_INNER_POINTER;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

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

#import "OFMutableData.h"
#import "OFData+Private.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"

@implementation OFMutableData
+ (instancetype)data
{
	return [[[self alloc] init] autorelease];
}

+ (instancetype)dataWithItemSize: (size_t)itemSize
{
	return [[[self alloc] initWithItemSize: itemSize] autorelease];
}

+ (instancetype)dataWithCapacity: (size_t)capacity
{
	return [[[self alloc] initWithCapacity: capacity] autorelease];
}

+ (instancetype)dataWithItemSize: (size_t)itemSize
			capacity: (size_t)capacity
{
	return [[[self alloc] initWithItemSize: itemSize
				      capacity: capacity] autorelease];
}

+ (instancetype)dataWithItemsNoCopy: (const void *)items
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)dataWithItemsNoCopy: (const void *)items
			   itemSize: (size_t)itemSize
			      count: (size_t)count
		       freeWhenDone: (bool)freeWhenDone
{
	OF_UNRECOGNIZED_SELECTOR
}

- init
{
	self = [super of_init];

	_itemSize = 1;

	return self;
}

- initWithItemSize: (size_t)itemSize
{
	self = [super of_init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_itemSize = itemSize;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithCapacity: (size_t)capacity
{
	return [self initWithItemSize: 1
			     capacity: capacity];
}

- initWithItemSize: (size_t)itemSize
	  capacity: (size_t)capacity
{
	self = [super of_init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_items = [self allocMemoryWithSize: itemSize
					     count: capacity];

		_itemSize = itemSize;
		_capacity = capacity;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithItems: (const void *)items
       itemSize: (size_t)itemSize
	  count: (size_t)count
{
	self = [super initWithItems: items
			   itemSize: itemSize
			      count: count];

	_capacity = _count;

	return self;
}

- initWithItemsNoCopy: (const void *)items
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone
{
	OF_INVALID_INIT_METHOD
}

- initWithItemsNoCopy: (const void *)items
	     itemSize: (size_t)itemSize
		count: (size_t)count
	 freeWhenDone: (bool)freeWhenDone
{
	OF_INVALID_INIT_METHOD
}

- initWithStringRepresentation: (OFString *)string
{
	self = [super initWithStringRepresentation: string];

	_capacity = _count;

	return self;
}

- (void)addItem: (const void *)item
{
	if (SIZE_MAX - _count < 1)
		@throw [OFOutOfRangeException exception];

	if (_count + 1 > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + 1];
		_capacity = _count + 1;
	}

	memcpy(_items + _count * _itemSize, item, _itemSize);

	_count++;
}

- (void)insertItem: (const void *)item
	   atIndex: (size_t)index
{
	[self insertItems: item
		  atIndex: index
		    count: 1];
}

- (void)addItems: (const void *)items
	   count: (size_t)count
{
	if (count > SIZE_MAX - _count)
		@throw [OFOutOfRangeException exception];

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_capacity = _count + count;
	}

	memcpy(_items + _count * _itemSize, items, count * _itemSize);
	_count += count;
}

- (void)insertItems: (const void *)items
	    atIndex: (size_t)index
	      count: (size_t)count
{
	if (count > SIZE_MAX - _count || index > _count)
		@throw [OFOutOfRangeException exception];

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_capacity = _count + count;
	}

	memmove(_items + (index + count) * _itemSize,
	    _items + index * _itemSize, (_count - index) * _itemSize);
	memcpy(_items + index * _itemSize, items, count * _itemSize);

	_count += count;
}

- (void)removeItemAtIndex: (size_t)index
{
	[self removeItemsInRange: of_range(index, 1)];
}

- (void)removeItemsInRange: (of_range_t)range
{
	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exception];

	memmove(_items + range.location * _itemSize,
	    _items + (range.location + range.length) * _itemSize,
	    (_count - range.location - range.length) * _itemSize);

	_count -= range.length;
	@try {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count];
		_capacity = _count;
	} @catch (OFOutOfMemoryException *e) {
		/* We don't really care, as we only made it smaller */
	}
}

- (void)removeLastItem
{
	if (_count == 0)
		return;

	_count--;
	@try {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count];
		_capacity = _count;
	} @catch (OFOutOfMemoryException *e) {
		/* We don't care, as we only made it smaller */
	}
}

- (void)removeAllItems
{
	[self freeMemory: _items];

	_items = NULL;
	_count = 0;
	_capacity = 0;
}

- copy
{
	return [[OFData alloc] initWithItems: _items
				    itemSize: _itemSize
				       count: _count];
}

- (void)makeImmutable
{
	object_setClass(self, [OFData class]);
}
@end

 */

#include "config.h"

#import "OFNull.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFData.h"

#import "OFInvalidArgumentException.h"

@interface OFNull ()
- (OFString *)of_JSONRepresentationWithOptions: (int)options
					 depth: (size_t)depth;
@end

- (OFString *)of_JSONRepresentationWithOptions: (int)options
					 depth: (size_t)depth
{
	return @"null";
}

- (OFData *)messagePackRepresentation
{


	uint8_t type = 0xC0;

	return [OFData dataWithItems: &type
			       count: 1];

}

- autorelease
{
	return self;
}

#include <inttypes.h>
#include <math.h>

#import "OFNumber.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFXMLAttribute.h"
#import "OFData.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"

#define RETURN_AS(t)							\
	switch (_type) {						\

		} else
			@throw [OFInvalidArgumentException exception];
	}

	return [self description];
}

- (OFData *)messagePackRepresentation
{
	OFMutableData *data;

	if (_type == OF_NUMBER_TYPE_BOOL) {
		uint8_t type = (_value.bool_ ? 0xC3 : 0xC2);

		data = [OFMutableData dataWithItems: &type
					      count: 1];







	} else if (_type == OF_NUMBER_TYPE_FLOAT) {
		uint8_t type = 0xCA;
		float tmp = OF_BSWAP_FLOAT_IF_LE(_value.float_);

		data = [OFMutableData dataWithItemSize: 1
					      capacity: 5];

		[data addItem: &type];
		[data addItems: &tmp
			 count: sizeof(tmp)];
	} else if (_type == OF_NUMBER_TYPE_DOUBLE) {
		uint8_t type = 0xCB;
		double tmp = OF_BSWAP_DOUBLE_IF_LE(_value.double_);

		data = [OFMutableData dataWithItemSize: 1
					      capacity: 9];

		[data addItem: &type];
		[data addItems: &tmp
			 count: sizeof(tmp)];
	} else if (_type & OF_NUMBER_TYPE_SIGNED) {
		intmax_t value = [self intMaxValue];

		if (value >= -32 && value < 0) {
			uint8_t tmp = 0xE0 | ((uint8_t)(value - 32) & 0x1F);

			data = [OFMutableData dataWithItems: &tmp
						      count: 1];


		} else if (value >= INT8_MIN && value <= INT8_MAX) {
			uint8_t type = 0xD0;
			int8_t tmp = (int8_t)value;

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 2];

			[data addItem: &type];
			[data addItem: &tmp];
		} else if (value >= INT16_MIN && value <= INT16_MAX) {
			uint8_t type = 0xD1;
			int16_t tmp = OF_BSWAP16_IF_LE((int16_t)value);

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 3];

			[data addItem: &type];
			[data addItems: &tmp
				 count: sizeof(tmp)];
		} else if (value >= INT32_MIN && value <= INT32_MAX) {
			uint8_t type = 0xD2;
			int32_t tmp = OF_BSWAP32_IF_LE((int32_t)value);

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 5];

			[data addItem: &type];
			[data addItems: &tmp
				 count: sizeof(tmp)];
		} else if (value >= INT64_MIN && value <= INT64_MAX) {
			uint8_t type = 0xD3;
			int64_t tmp = OF_BSWAP64_IF_LE((int64_t)value);

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 9];

			[data addItem: &type];
			[data addItems: &tmp
				 count: sizeof(tmp)];
		} else
			@throw [OFOutOfRangeException exception];
	} else {
		uintmax_t value = [self uIntMaxValue];

		if (value <= 127) {
			uint8_t tmp = ((uint8_t)value & 0x7F);

			data = [OFMutableData dataWithItems: &tmp
						      count: 1];


		} else if (value <= UINT8_MAX) {
			uint8_t type = 0xCC;
			uint8_t tmp = (uint8_t)value;

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 2];

			[data addItem: &type];
			[data addItem: &tmp];
		} else if (value <= UINT16_MAX) {
			uint8_t type = 0xCD;
			uint16_t tmp = OF_BSWAP16_IF_LE((uint16_t)value);

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 3];

			[data addItem: &type];
			[data addItems: &tmp
				 count: sizeof(tmp)];
		} else if (value <= UINT32_MAX) {
			uint8_t type = 0xCE;
			uint32_t tmp = OF_BSWAP32_IF_LE((uint32_t)value);

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 5];

			[data addItem: &type];
			[data addItems: &tmp
				 count: sizeof(tmp)];
		} else if (value <= UINT64_MAX) {
			uint8_t type = 0xCF;
			uint64_t tmp = OF_BSWAP64_IF_LE((uint64_t)value);

			data = [OFMutableData dataWithItemSize: 1
						      capacity: 9];

			[data addItem: &type];
			[data addItems: &tmp
				 count: sizeof(tmp)];
		} else
			@throw [OFOutOfRangeException exception];
	}

	[data makeImmutable];

	return data;
}
@end

# include <spawn.h>
#endif

#import "OFProcess.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFData.h"
#import "OFLocalization.h"

#import "OFInitializationFailedException.h"
#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"

	envp[i] = NULL;

	return envp;
}
#else
- (char16_t *)of_environmentForDictionary: (OFDictionary *)environment
{
	OFMutableData *env;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;
	const char16_t equal = '=';
	const char16_t zero[2] = { 0, 0 };

	if (environment == nil)
		return NULL;

	env = [OFMutableData dataWithItemSize: sizeof(char16_t)];

	keyEnumerator = [environment keyEnumerator];
	objectEnumerator = [environment objectEnumerator];
	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		[env addItems: [key UTF16String]
			count: [key UTF16StringLength]];

#include <assert.h>
#include <errno.h>

#import "OFStdIOStream_Win32Console.h"
#import "OFStdIOStream+Private.h"
#import "OFString.h"
#import "OFData.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"

	if (length > sizeof(UINT32_MAX))
		@throw [OFOutOfRangeException exception];

	UTF16 = [self allocMemoryWithSize: sizeof(char16_t)
				    count: length];
	@try {
		DWORD UTF16Len;
		OFMutableData *rest = nil;
		size_t i = 0;

		if (!ReadConsoleW(_handle, UTF16, (DWORD)length, &UTF16Len,
		    NULL))
			@throw [OFReadFailedException
			    exceptionWithObject: self
				requestedLength: length * 2

				@throw [OFInvalidEncodingException exception];

			if (UTF8Len <= length) {
				memcpy(buffer, UTF8, UTF8Len);
				j += UTF8Len;
			} else {
				if (rest == nil)
					rest = [OFMutableData data];

				[rest addItems: UTF8
					 count: UTF8Len];
			}

			_incompleteUTF16Surrogate = 0;
			i++;

				@throw [OFInvalidEncodingException exception];

			if (j + UTF8Len <= length) {
				memcpy(buffer + j, UTF8, UTF8Len);
				j += UTF8Len;
			} else {
				if (rest == nil)
					rest = [OFMutableData data];

				[rest addItems: UTF8
					 count: UTF8Len];
			}
		}

		if (rest != nil)

#endif

OF_ASSUME_NONNULL_BEGIN

/*! @file */

@class OFStream;
@class OFData;
@class OFException;

#if defined(OF_HAVE_SOCKETS) && defined(OF_HAVE_BLOCKS)
/*!
 * @brief A block which is called when data was read from the stream.
 *
 * @param stream The stream on which data was read

 * @return The number of bytes read
 */
- (size_t)readLittleEndianDoublesIntoBuffer: (double *)buffer
				      count: (size_t)count;

/*!
 * @brief Reads the specified number of items with an item size of 1 from the
 *	  stream and returns them as OFData.
 *
 * @warning Only call this when you know that enough data is available!
 *	    Otherwise you will get an exception!
 *
 * @param count The number of items to read
 * @return OFData with count items.
 */
- (OFData *)readDataWithCount: (size_t)count;

/*!
 * @brief Reads the specified number of items with the specified item size from
 *	  the stream and returns them as OFData.
 *
 * @warning Only call this when you know that enough data is available!
 *	    Otherwise you will get an exception!
 *
 * @param itemSize The size of each item
 * @param count The number of items to read
 * @return OFData with count items.
 */
- (OFData *)readDataWithItemSize: (size_t)itemSize
			   count: (size_t)count;

/*!
 * @brief Returns OFData with all the remaining data of the stream.
 *
 * @return OFData with an item size of 1 with all the data of the stream until
 *	   the end of the stream is reached.
 */
- (OFData *)readDataUntilEndOfStream;

/*!
 * @brief Reads a string with the specified length from the stream.
 *
 * If `\0` appears in the stream, the string will be truncated at the `\0` and
 * the rest of the bytes of the string will be lost. This way, reading from the
 * stream will not break because of a `\0` because the specified number of

 * @param count The number of doubles to write
 * @return The number of bytes written to the stream
 */
- (size_t)writeLittleEndianDoubles: (const double *)buffer
			     count: (size_t)count;

/*!
 * @brief Writes OFData into the stream.
 *
 * @param data The OFData to write into the stream
 * @return The number of bytes written
 */
- (size_t)writeData: (OFData *)data;

/*!
 * @brief Writes a string into the stream, without the trailing zero.
 *
 * @param string The string from which the data is written to the stream
 * @return The number of bytes written
 */

#if !defined(OF_WINDOWS) && !defined(OF_MORPHOS)
# include <signal.h>
#endif

#import "OFStream.h"
#import "OFStream+Private.h"
#import "OFString.h"
#import "OFData.h"
#import "OFSystemInfo.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFSetOptionFailedException.h"
#import "OFTruncatedDataException.h"

#import "of_asprintf.h"

#define MIN_READ_SIZE 512

	for (size_t i = 0; i < count; i++)
		buffer[i] = OF_BSWAP_DOUBLE(buffer[i]);
#endif

	return size;
}

- (OFData *)readDataWithCount: (size_t)count
{
	return [self readDataWithItemSize: 1
				    count: count];
}

- (OFData *)readDataWithItemSize: (size_t)itemSize
			   count: (size_t)count
{
	OFData *ret;
	char *buffer;

	if OF_UNLIKELY (count > SIZE_MAX / itemSize)
		@throw [OFOutOfRangeException exception];

	if OF_UNLIKELY ((buffer = malloc(count * itemSize)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: count * itemSize];

	@try {
		[self readIntoBuffer: buffer
			 exactLength: count * itemSize];

		ret = [OFData dataWithItemsNoCopy: buffer
					 itemSize: itemSize
					    count: count
				     freeWhenDone: true];
	} @catch (id e) {
		free(buffer);
		@throw e;
	}

	return ret;
}

- (OFData *)readDataUntilEndOfStream
{



	OFMutableData *data = [OFMutableData data];

	size_t pageSize = [OFSystemInfo pageSize];
	char *buffer = [self allocMemoryWithSize: pageSize];

	@try {
		while (![self isAtEndOfStream]) {
			size_t length;

			length = [self readIntoBuffer: buffer
					       length: pageSize];
			[data addItems: buffer
				 count: length];
		}
	} @finally {
		[self freeMemory: buffer];
	}

	[data makeImmutable];

	return data;
}

- (OFString *)readStringWithLength: (size_t)length
{
	return [self readStringWithLength: length
				 encoding: OF_STRING_ENCODING_UTF_8];
}

		[self freeMemory: tmp];
	}
#endif

	return size;
}

- (size_t)writeData: (OFData *)data
{
	size_t length = [data count] * [data itemSize];

	[self writeBuffer: [data items]
		   length: length];

	return length;
}

- (size_t)writeString: (OFString *)string
{

#endif

#import "OFString.h"
#import "OFString_UTF8.h"
#import "OFString_UTF8+Private.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OFData.h"
#import "OFLocalization.h"
#ifdef OF_HAVE_FILES
# import "OFFile.h"
# import "OFFileManager.h"
#endif
#import "OFURL.h"
#ifdef OF_HAVE_SOCKETS

	return [self initWithContentsOfURL: URL
				  encoding: OF_STRING_ENCODING_AUTODETECT];
}

- initWithContentsOfURL: (OFURL *)URL
	       encoding: (of_string_encoding_t)encoding
{








	void *pool = objc_autoreleasePoolPush();

	OFString *scheme = [URL scheme];

# ifdef OF_HAVE_FILES
	if ([scheme isEqual: @"file"]) {
		if (encoding == OF_STRING_ENCODING_AUTODETECT)
			encoding = OF_STRING_ENCODING_UTF_8;

		self = [self initWithContentsOfFile: [URL path]
					   encoding: encoding];
	} else
# endif
# ifdef OF_HAVE_SOCKETS
	if ([scheme isEqual: @"http"] || [scheme isEqual: @"https"]) {
		bool mutable = [self isKindOfClass: [OFMutableString class]];
		OFHTTPClient *client = [OFHTTPClient client];
		OFHTTPRequest *request = [OFHTTPRequest requestWithURL: URL];
		OFHTTPResponse *response = [client performRequest: request];

		if ([response statusCode] != 200)
			@throw [OFHTTPRequestFailedException
			    exceptionWithRequest: request
					response: response];

		[self release];

		if (mutable)
			self = [[response string] mutableCopy];
		else
			self = [[response string] copy];
	} else
# endif
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	objc_autoreleasePoolPop(pool);

	return self;