CoreFW  Check-in [e21a39f7dc]

       class.c		\
       double.c		\
       int.c		\
       map.c		\
       object.c		\
       range.c		\
       refpool.c	\
       stream.c		\
       string.c

INCLUDES = ${SRCS:.c=.h}	\
	   corefw.h		\
	   hash.h

include ../buildsys.mk

/*
 * Copyright (c) 2012, Jonathan Schleifer <js@webkeks.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "stream.h"

static bool
ctor(void *ptr, va_list args)
{
	CFWStream *stream = ptr;

	stream->ops = NULL;

	return true;
}

static void
dtor(void *ptr)
{
	cfw_stream_close(ptr);
}

ssize_t
cfw_stream_read(void *ptr, void *buf, size_t len)
{
	CFWStream *stream = ptr;

	if (stream == NULL || stream->ops == NULL)
		return -1;

	return stream->ops->read(stream, buf, len);
}

bool
cfw_stream_write(void *ptr, const void *buf, size_t len)
{
	CFWStream *stream = ptr;

	if (stream == NULL || stream->ops == NULL)
		return false;

	return stream->ops->write(stream, buf, len);
}

bool
cfw_stream_eof(void *ptr)
{
	CFWStream *stream = ptr;

	if (stream == NULL || stream->ops == NULL)
		return true;

	return stream->ops->eof(stream);
}

void
cfw_stream_close(void *ptr)
{
	CFWStream *stream = ptr;

	if (stream == NULL || stream->ops == NULL)
		return;

	stream->ops->close(stream);
}

static CFWClass class = {
	.name = "CFWStream",
	.size = sizeof(CFWStream),
	.ctor = ctor,
	.dtor = dtor
};
CFWClass *cfw_stream = &class;

/*
 * Copyright (c) 2012, Jonathan Schleifer <js@webkeks.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __COREFW_STREAM_H__
#define __COREFW_STREAM_H__

#include <unistd.h>

#include "class.h"
#include "object.h"

struct cfw_stream_ops {
	ssize_t (*read)(void*, void*, size_t);
	bool (*write)(void*, const void*, size_t);
	bool (*eof)(void*);
	void (*close)(void*);
};

typedef struct CFWStream {
	CFWObject obj;
	struct cfw_stream_ops *ops;
} CFWStream;

extern CFWClass *cfw_stream;
extern ssize_t cfw_stream_read(void*, void*, size_t);
extern bool cfw_stream_write(void*, const void*, size_t);
extern bool cfw_stream_eof(void*);
extern void cfw_stream_close(void*);
#endif