/*
* 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.
*
* 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 "OFColor.h"
#import "OFDate.h"
#import "OFApplication.h"
#ifdef OF_WINDOWS
# include "OFWin32ConsoleStdIOStream.h"
#endif
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"
#ifdef OF_IOS
# undef HAVE_ISATTY
#endif
#ifdef OF_AMIGAOS
# include <proto/exec.h>
# include <proto/dos.h>
# undef HAVE_ISATTY
#endif
/* References for static linking */
#ifdef OF_WINDOWS
void
_reference_to_OFWin32ConsoleStdIOStream(void)
{
[OFWin32ConsoleStdIOStream class];
}
#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];
}
#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);
}
#ifdef HAVE_ISATTY
static int
colorToANSI(OFColor *color)
{
if ([color isEqual: [OFColor black]])
return 30;
if ([color isEqual: [OFColor maroon]])
return 31;
if ([color isEqual: [OFColor green]])
return 32;
if ([color isEqual: [OFColor olive]])
return 33;
if ([color isEqual: [OFColor navy]])
return 34;
if ([color isEqual: [OFColor purple]])
return 35;
if ([color isEqual: [OFColor teal]])
return 36;
if ([color isEqual: [OFColor silver]])
return 37;
if ([color isEqual: [OFColor grey]])
return 90;
if ([color isEqual: [OFColor red]])
return 91;
if ([color isEqual: [OFColor lime]])
return 92;
if ([color isEqual: [OFColor yellow]])
return 93;
if ([color isEqual: [OFColor blue]])
return 94;
if ([color isEqual: [OFColor fuchsia]])
return 95;
if ([color isEqual: [OFColor aqua]])
return 96;
if ([color isEqual: [OFColor white]])
return 97;
return -1;
}
#endif
@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;
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
{
#ifndef OF_AMIGAOS
if (_fd != -1)
#else
if (_handle != 0)
#endif
[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)
@throw [OFNotOpenException exceptionWithObject: self];
close(_fd);
_fd = -1;
#else
if (_handle == 0)
@throw [OFNotOpenException exceptionWithObject: self];
if (_closable)
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;
}
- (bool)hasTerminal
{
#ifdef HAVE_ISATTY
return isatty(_fd);
#else
return false;
#endif
}
- (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
}
- (void)setForegroundColor: (OFColor *)color
{
#ifdef HAVE_ISATTY
int code;
if (!isatty(_fd))
return;
if ((code = colorToANSI(color)) == -1)
return;
[self writeFormat: @"\033[%um", code];
#endif
}
- (void)setBackgroundColor: (OFColor *)color
{
#ifdef HAVE_ISATTY
int code;
if (!isatty(_fd))
return;
if ((code = colorToANSI(color)) == -1)
return;
[self writeFormat: @"\033[%um", code + 10];
#endif
}
- (void)reset
{
#ifdef HAVE_ISATTY
if (!isatty(_fd))
return;
[self writeString: @"\033[0m"];
#endif
}
- (void)clear
{
#ifdef HAVE_ISATTY
if (!isatty(_fd))
return;
[self writeString: @"\033[2J"];
#endif
}
- (void)eraseLine
{
#ifdef HAVE_ISATTY
if (!isatty(_fd))
return;
[self writeString: @"\033[2K"];
#endif
}
- (void)setCursorColumn: (unsigned int)column
{
#ifdef HAVE_ISATTY
if (!isatty(_fd))
return;
[self writeFormat: @"\033[%uG", column + 1];
#endif
}
- (void)setCursorPosition: (OFPoint)position
{
if (position.x < 0 || position.y < 0)
@throw [OFInvalidArgumentException exception];
#ifdef HAVE_ISATTY
if (!isatty(_fd))
return;
[self writeFormat: @"\033[%u;%uH",
(unsigned)position.y + 1, (unsigned)position.x + 1];
#endif
}
- (void)setRelativeCursorPosition: (OFPoint)position
{
#ifdef HAVE_ISATTY
if (!isatty(_fd))
return;
if (position.x > 0)
[self writeFormat: @"\033[%uC", (unsigned)position.x];
else if (position.x < 0)
[self writeFormat: @"\033[%uD", (unsigned)-position.x];
if (position.y > 0)
[self writeFormat: @"\033[%uB", (unsigned)position.y];
else if (position.y < 0)
[self writeFormat: @"\033[%uA", (unsigned)-position.y];
#endif
}
@end