ObjFW  Diff

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
 *
 * 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.
 *

		[self release];
		@throw e;
	}

	return self;
}

- (size_t)lowlevelReadIntoBuffer: (void *)buffer_
- (size_t)lowlevelReadIntoBuffer: (void *)buffer_ length: (size_t)length
			  length: (size_t)length
{
	void *pool = objc_autoreleasePoolPush();
	char *buffer = buffer_;
	of_char16_t *UTF16;
	size_t j = 0;

	if (length > UINT32_MAX)

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

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

			_incompleteUTF16Surrogate = 0;
			i++;
		}

		for (; i < UTF16Len; i++) {

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

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

		if (rest != nil)
			[self unreadFromBuffer: rest.items
			[self unreadFromBuffer: rest.items length: rest.count];
					length: rest.count];
	} @finally {
		free(UTF16);
	}

	objc_autoreleasePoolPop(pool);

	return j;
}

- (size_t)lowlevelWriteBuffer: (const void *)buffer_
- (size_t)lowlevelWriteBuffer: (const void *)buffer_ length: (size_t)length
		       length: (size_t)length
{
	const char *buffer = buffer_;
	of_char16_t *tmp;
	size_t i = 0, j = 0;

	if (length > SIZE_MAX / 2)
		@throw [OFOutOfRangeException exception];

	if (!GetConsoleScreenBufferInfo(_handle, &csbi))
		return;

	csbi.wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN |
	    FOREGROUND_BLUE | FOREGROUND_INTENSITY);

	[color getRed: &red
	[color getRed: &red green: &green blue: &blue alpha: NULL];
		green: &green
		 blue: &blue
		alpha: NULL];

	if (red >= 0.25)
		csbi.wAttributes |= FOREGROUND_RED;
	if (green >= 0.25)
		csbi.wAttributes |= FOREGROUND_GREEN;
	if (blue >= 0.25)
		csbi.wAttributes |= FOREGROUND_BLUE;

	if (!GetConsoleScreenBufferInfo(_handle, &csbi))
		return;

	csbi.wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN |
	    BACKGROUND_BLUE | BACKGROUND_INTENSITY);

	[color getRed: &red
	[color getRed: &red green: &green blue: &blue alpha: NULL];
		green: &green
		 blue: &blue
		alpha: NULL];

	if (red >= 0.25)
		csbi.wAttributes |= BACKGROUND_RED;
	if (green >= 0.25)
		csbi.wAttributes |= BACKGROUND_GREEN;
	if (blue >= 0.25)
		csbi.wAttributes |= BACKGROUND_BLUE;