/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* 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 <errno.h>
#include "unistd_wrapper.h"
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_TTYCOM_H
# include <sys/ttycom.h>
#endif
#import "OFStdIOStream.h"
#import "OFStdIOStream+Private.h"
#import "OFDate.h"
#import "OFApplication.h"
#ifdef OF_WINDOWS
# include "OFStdIOStream_Win32Console.h"
#endif
#import "OFInitializationFailedException.h"
#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"
#ifdef OF_AMIGAOS
# ifdef OF_AMIGAOS4
# define __USE_INLINE__
# define __NOLIBBASE__
# define __NOGLOBALIFACE__
# endif
# include <proto/exec.h>
# include <proto/dos.h>
#endif
/* References for static linking */
#ifdef OF_WINDOWS
void
_reference_to_OFStdIOStream_Win32Console(void)
{
[OFStdIOStream_Win32Console class];
}
#endif
#ifdef OF_AMIGAOS4
extern struct ExecIFace *IExec;
static struct Library *DOSBase = NULL;
static struct DOSIFace *IDOS = NULL;
#endif
OFStdIOStream *of_stdin = nil;
OFStdIOStream *of_stdout = nil;
OFStdIOStream *of_stderr = nil;
#ifdef OF_AMIGAOS
OF_DESTRUCTOR()
{
[of_stdin dealloc];
[of_stdout dealloc];
[of_stderr dealloc];
# ifdef OF_AMIGAOS4
if (IDOS != NULL)
DropInterface((struct Interface *)IDOS);
if (DOSBase != NULL)
CloseLibrary(DOSBase);
# endif
}
#endif
void
of_log(OFConstantString *format, ...)
{
void *pool = objc_autoreleasePoolPush();
OFDate *date;
OFString *dateString, *me, *msg;
va_list arguments;
date = [OFDate date];
dateString = [date localDateStringWithFormat: @"%Y-%m-%d %H:%M:%S"];
#ifdef OF_HAVE_FILES
me = [OFApplication programName].lastPathComponent;
#else
me = [OFApplication programName];
#endif
va_start(arguments, format);
msg = [[[OFString alloc] initWithFormat: format
arguments: arguments] autorelease];
va_end(arguments);
[of_stderr writeFormat: @"[%@.%03d %@(%d)] %@\n", dateString,
date.microsecond / 1000, me, getpid(), msg];
objc_autoreleasePoolPop(pool);
}
@implementation OFStdIOStream
#ifndef OF_WINDOWS
+ (void)load
{
if (self != [OFStdIOStream class])
return;
# ifndef OF_AMIGAOS
int fd;
if ((fd = fileno(stdin)) >= 0)
of_stdin = [[OFStdIOStream alloc]
of_initWithFileDescriptor: fd];
if ((fd = fileno(stdout)) >= 0)
of_stdout = [[OFStdIOStream alloc]
of_initWithFileDescriptor: fd];
if ((fd = fileno(stderr)) >= 0)
of_stderr = [[OFStdIOStream alloc]
of_initWithFileDescriptor: fd];
# else
BPTR input, output, error;
bool inputClosable = false, outputClosable = false,
errorClosable = false;
# ifdef OF_AMIGAOS4
if ((DOSBase = OpenLibrary("dos.library", 36)) == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: self];
if ((IDOS = (struct DOSIFace *)
GetInterface(DOSBase, "main", 1, NULL)) == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: self];
# endif
input = Input();
output = Output();
error = ((struct Process *)FindTask(NULL))->pr_CES;
if (input == 0) {
input = Open("*", MODE_OLDFILE);
inputClosable = true;
}
if (output == 0) {
output = Open("*", MODE_OLDFILE);
outputClosable = true;
}
if (error == 0) {
error = Open("*", MODE_OLDFILE);
errorClosable = true;
}
of_stdin = [[OFStdIOStream alloc] of_initWithHandle: input
closable: inputClosable];
of_stdout = [[OFStdIOStream alloc] of_initWithHandle: output
closable: outputClosable];
of_stderr = [[OFStdIOStream alloc] of_initWithHandle: error
closable: errorClosable];
# endif
}
#endif
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
#ifndef OF_AMIGAOS
- (instancetype)of_initWithFileDescriptor: (int)fd
{
self = [super init];
_fd = fd;
return self;
}
#else
- (instancetype)of_initWithHandle: (BPTR)handle
closable: (bool)closable
{
self = [super init];
_handle = handle;
_closable = closable;
return self;
}
#endif
- (void)dealloc
{
[self close];
[super dealloc];
}
- (bool)lowlevelIsAtEndOfStream
{
#ifndef OF_AMIGAOS
if (_fd == -1)
#else
if (_handle == 0)
#endif
@throw [OFNotOpenException exceptionWithObject: self];
return _atEndOfStream;
}
- (size_t)lowlevelReadIntoBuffer: (void *)buffer
length: (size_t)length
{
ssize_t ret;
#ifndef OF_AMIGAOS
if (_fd == -1)
@throw [OFNotOpenException exceptionWithObject: self];
# ifndef OF_WINDOWS
if ((ret = read(_fd, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
# else
if (length > UINT_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = read(_fd, buffer, (unsigned int)length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
# endif
#else
if (_handle == 0)
@throw [OFNotOpenException exceptionWithObject: self];
if (length > LONG_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = Read(_handle, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: EIO];
#endif
if (ret == 0)
_atEndOfStream = true;
return ret;
}
- (size_t)lowlevelWriteBuffer: (const void *)buffer
length: (size_t)length
{
#ifndef OF_AMIGAOS
if (_fd == -1)
@throw [OFNotOpenException exceptionWithObject: self];
# ifndef OF_WINDOWS
ssize_t bytesWritten;
if (length > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if ((bytesWritten = write(_fd, buffer, length)) < 0)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
bytesWritten: 0
errNo: errno];
# else
int bytesWritten;
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
if ((bytesWritten = write(_fd, buffer, (int)length)) < 0)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
bytesWritten: 0
errNo: errno];
# endif
#else
LONG bytesWritten;
if (_handle == 0)
@throw [OFNotOpenException exceptionWithObject: self];
if (length > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if ((bytesWritten = Write(_handle, (void *)buffer, length)) < 0)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
bytesWritten: 0
errNo: EIO];
#endif
return (size_t)bytesWritten;
}
#if !defined(OF_WINDOWS) && !defined(OF_AMIGAOS)
- (int)fileDescriptorForReading
{
return _fd;
}
- (int)fileDescriptorForWriting
{
return _fd;
}
#endif
- (void)close
{
#ifndef OF_AMIGAOS
if (_fd != -1)
close(_fd);
_fd = -1;
#else
if (_closable && _handle != 0)
Close(_handle);
_handle = 0;
#endif
[super close];
}
- (instancetype)autorelease
{
return self;
}
- (instancetype)retain
{
return self;
}
- (void)release
{
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
- (int)columns
{
#if defined(HAVE_SYS_IOCTL_H) && defined(TIOCGWINSZ) && !defined(OF_AMIGAOS)
struct winsize ws;
if (ioctl(_fd, TIOCGWINSZ, &ws) != 0)
return -1;
return ws.ws_col;
#else
return -1;
#endif
}
- (int)rows
{
#if defined(HAVE_SYS_IOCTL_H) && defined(TIOCGWINSZ) && !defined(OF_AMIGAOS)
struct winsize ws;
if (ioctl(_fd, TIOCGWINSZ, &ws) != 0)
return -1;
return ws.ws_row;
#else
return -1;
#endif
}
@end