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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright (c) 2009-2023, the original author(s). | ||
| * | ||
| * This software is distributable under the BSD license. See the terms of the | ||
| * BSD license in the documentation provided with this software. | ||
| * | ||
| * https://opensource.org/licenses/BSD-3-Clause | ||
| */ | ||
| package org.jline.nativ; | ||
|
|
||
| /** | ||
| * Interface to access some low level POSIX functions,. | ||
| * | ||
| * @see JLineNativeLoader | ||
| */ | ||
| @SuppressWarnings("unused") | ||
| public class CLibrary { | ||
|
|
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| // | ||
| // Initialization | ||
| // | ||
|
|
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| static { | ||
| if (JLineNativeLoader.initialize()) { | ||
| init(); | ||
| } | ||
| } | ||
|
|
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| private static native void init(); | ||
|
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| // | ||
| // Constants | ||
| // | ||
|
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| public static int TCSANOW; | ||
| public static int TCSADRAIN; | ||
| public static int TCSAFLUSH; | ||
| public static long TIOCGWINSZ; | ||
| public static long TIOCSWINSZ; | ||
|
|
||
| /** | ||
| * test whether a file descriptor refers to a terminal | ||
| * | ||
| * @param fd file descriptor | ||
| * @return isatty() returns 1 if fd is an open file descriptor referring to a | ||
| * terminal; otherwise 0 is returned, and errno is set to indicate the | ||
| * error | ||
| * @see <a href="http://man7.org/linux/man-pages/man3/isatty.3.html">ISATTY(3) man-page</a> | ||
| * @see <a href="http://man7.org/linux/man-pages/man3/isatty.3p.html">ISATTY(3P) man-page</a> | ||
| */ | ||
| public static native int isatty(int fd); | ||
|
|
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| public static native String ttyname(int filedes); | ||
|
|
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| /** | ||
| * The openpty() function finds an available pseudoterminal and returns | ||
| * file descriptors for the master and slave in amaster and aslave. | ||
| * | ||
| * @param amaster master return value | ||
| * @param aslave slave return value | ||
| * @param name filename return value | ||
| * @param termios optional pty attributes | ||
| * @param winsize optional size | ||
| * @return 0 on success | ||
| * @see <a href="http://man7.org/linux/man-pages/man3/openpty.3.html">OPENPTY(3) man-page</a> | ||
| */ | ||
| public static native int openpty(int[] amaster, int[] aslave, byte[] name, Termios termios, WinSize winsize); | ||
|
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| public static native int tcgetattr(int filedes, Termios termios); | ||
|
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| public static native int tcsetattr(int filedes, int optional_actions, Termios termios); | ||
|
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| /** | ||
| * Control a STREAMS device. | ||
| * | ||
| * @see <a href="http://man7.org/linux/man-pages/man3/ioctl.3p.html">IOCTL(3P) man-page</a> | ||
| */ | ||
| public static native int ioctl(int filedes, long request, int[] params); | ||
|
|
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| public static native int ioctl(int filedes, long request, WinSize params); | ||
|
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| public static short getTerminalWidth(int fd) { | ||
| WinSize sz = new WinSize(); | ||
| ioctl(fd, TIOCGWINSZ, sz); | ||
| return sz.ws_col; | ||
| } | ||
|
|
||
| /** | ||
| * Window sizes. | ||
| * | ||
| * @see <a href="http://man7.org/linux/man-pages/man4/tty_ioctl.4.html">IOCTL_TTY(2) man-page</a> | ||
| */ | ||
| public static class WinSize { | ||
|
|
||
| static { | ||
| if (JLineNativeLoader.initialize()) { | ||
| init(); | ||
| } | ||
| } | ||
|
|
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| private static native void init(); | ||
|
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| public static int SIZEOF; | ||
|
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| public short ws_row; | ||
| public short ws_col; | ||
| public short ws_xpixel; | ||
| public short ws_ypixel; | ||
|
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| public WinSize() {} | ||
|
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| public WinSize(short ws_row, short ws_col) { | ||
| this.ws_row = ws_row; | ||
| this.ws_col = ws_col; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * termios structure for termios functions, describing a general terminal interface that is | ||
| * provided to control asynchronous communications ports | ||
| * | ||
| * @see <a href="http://man7.org/linux/man-pages/man3/termios.3.html">TERMIOS(3) man-page</a> | ||
| */ | ||
| public static class Termios { | ||
|
|
||
| static { | ||
| if (JLineNativeLoader.initialize()) { | ||
| init(); | ||
| } | ||
| } | ||
|
|
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| private static native void init(); | ||
|
|
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| public static int SIZEOF; | ||
|
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| public long c_iflag; | ||
| public long c_oflag; | ||
| public long c_cflag; | ||
| public long c_lflag; | ||
| public byte[] c_cc = new byte[32]; | ||
| public long c_ispeed; | ||
| public long c_ospeed; | ||
| } | ||
| } |
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