fankes/termux-app
2
0
Fork 0
mirror of https://github.com/fankes/termux-app.git synced 2025-09-10 20:44:12 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reformat code project-wide (getting rid of tabs)

Browse Source
This commit is contained in:
Fredrik Fornwall
2016-06-28 01:03:03 +02:00
parent d72fd579ee
commit 2db6923bc4
28 changed files with 6000 additions and 5748 deletions
Download Patch File Download Diff File Expand all files Collapse all files

188
app/src/main/java/com/termux/terminal/ByteQueue.java
View File

@@ -3,106 +3,106 @@ package com.termux.terminal;
/** A circular byte buffer allowing one producer and one consumer thread. */
final class ByteQueue {
private final byte[] mBuffer;
private int mHead;
private int mStoredBytes;
private boolean mOpen = true;
private final byte[] mBuffer;
private int mHead;
private int mStoredBytes;
private boolean mOpen = true;
public ByteQueue(int size) {
mBuffer = new byte[size];
}
public ByteQueue(int size) {
mBuffer = new byte[size];
}
public synchronized void close() {
mOpen = false;
notify();
}
public synchronized void close() {
mOpen = false;
notify();
}
public synchronized int read(byte[] buffer, boolean block) {
while (mStoredBytes == 0 && mOpen) {
if (block) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
} else {
return 0;
}
}
if (!mOpen) return -1;
public synchronized int read(byte[] buffer, boolean block) {
while (mStoredBytes == 0 && mOpen) {
if (block) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
} else {
return 0;
}
}
if (!mOpen) return -1;
int totalRead = 0;
int bufferLength = mBuffer.length;
boolean wasFull = bufferLength == mStoredBytes;
int length = buffer.length;
int offset = 0;
while (length > 0 && mStoredBytes > 0) {
int oneRun = Math.min(bufferLength - mHead, mStoredBytes);
int bytesToCopy = Math.min(length, oneRun);
System.arraycopy(mBuffer, mHead, buffer, offset, bytesToCopy);
mHead += bytesToCopy;
if (mHead >= bufferLength) mHead = 0;
mStoredBytes -= bytesToCopy;
length -= bytesToCopy;
offset += bytesToCopy;
totalRead += bytesToCopy;
}
if (wasFull) notify();
return totalRead;
}
int totalRead = 0;
int bufferLength = mBuffer.length;
boolean wasFull = bufferLength == mStoredBytes;
int length = buffer.length;
int offset = 0;
while (length > 0 && mStoredBytes > 0) {
int oneRun = Math.min(bufferLength - mHead, mStoredBytes);
int bytesToCopy = Math.min(length, oneRun);
System.arraycopy(mBuffer, mHead, buffer, offset, bytesToCopy);
mHead += bytesToCopy;
if (mHead >= bufferLength) mHead = 0;
mStoredBytes -= bytesToCopy;
length -= bytesToCopy;
offset += bytesToCopy;
totalRead += bytesToCopy;
}
if (wasFull) notify();
return totalRead;
}
/**
* Attempt to write the specified portion of the provided buffer to the queue.
*
* Returns whether the output was totally written, false if it was closed before.
*/
public boolean write(byte[] buffer, int offset, int lengthToWrite) {
if (lengthToWrite + offset > buffer.length) {
throw new IllegalArgumentException("length + offset > buffer.length");
} else if (lengthToWrite <= 0) {
throw new IllegalArgumentException("length <= 0");
}
/**
* Attempt to write the specified portion of the provided buffer to the queue.
* <p/>
* Returns whether the output was totally written, false if it was closed before.
*/
public boolean write(byte[] buffer, int offset, int lengthToWrite) {
if (lengthToWrite + offset > buffer.length) {
throw new IllegalArgumentException("length + offset > buffer.length");
} else if (lengthToWrite <= 0) {
throw new IllegalArgumentException("length <= 0");
}
final int bufferLength = mBuffer.length;
final int bufferLength = mBuffer.length;
synchronized (this) {
while (lengthToWrite > 0) {
while (bufferLength == mStoredBytes && mOpen) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
}
if (!mOpen) return false;
final boolean wasEmpty = mStoredBytes == 0;
int bytesToWriteBeforeWaiting = Math.min(lengthToWrite, bufferLength - mStoredBytes);
lengthToWrite -= bytesToWriteBeforeWaiting;
synchronized (this) {
while (lengthToWrite > 0) {
while (bufferLength == mStoredBytes && mOpen) {
try {
wait();
} catch (InterruptedException e) {
// Ignore.
}
}
if (!mOpen) return false;
final boolean wasEmpty = mStoredBytes == 0;
int bytesToWriteBeforeWaiting = Math.min(lengthToWrite, bufferLength - mStoredBytes);
lengthToWrite -= bytesToWriteBeforeWaiting;
while (bytesToWriteBeforeWaiting > 0) {
int tail = mHead + mStoredBytes;
int oneRun;
if (tail >= bufferLength) {
// Buffer: [.............]
// ________________H_______T
// =>
// Buffer: [.............]
// ___________T____H
// onRun= _____----_
tail = tail - bufferLength;
oneRun = mHead - tail;
} else {
oneRun = bufferLength - tail;
}
int bytesToCopy = Math.min(oneRun, bytesToWriteBeforeWaiting);
System.arraycopy(buffer, offset, mBuffer, tail, bytesToCopy);
offset += bytesToCopy;
bytesToWriteBeforeWaiting -= bytesToCopy;
mStoredBytes += bytesToCopy;
}
if (wasEmpty) notify();
}
}
return true;
}
while (bytesToWriteBeforeWaiting > 0) {
int tail = mHead + mStoredBytes;
int oneRun;
if (tail >= bufferLength) {
// Buffer: [.............]
// ________________H_______T
// =>
// Buffer: [.............]
// ___________T____H
// onRun= _____----_
tail = tail - bufferLength;
oneRun = mHead - tail;
} else {
oneRun = bufferLength - tail;
}
int bytesToCopy = Math.min(oneRun, bytesToWriteBeforeWaiting);
System.arraycopy(buffer, offset, mBuffer, tail, bytesToCopy);
offset += bytesToCopy;
bytesToWriteBeforeWaiting -= bytesToCopy;
mStoredBytes += bytesToCopy;
}
if (wasEmpty) notify();
}
}
return true;
}
}

4
app/src/main/java/com/termux/terminal/EmulatorDebug.java
View File

@@ -4,7 +4,7 @@ import android.util.Log;
public final class EmulatorDebug {
/** The tag to use with {@link Log}. */
public static final String LOG_TAG = "termux";
/** The tag to use with {@link Log}. */
public static final String LOG_TAG = "termux";
}

61
app/src/main/java/com/termux/terminal/JNI.java
View File

@@ -5,42 +5,37 @@ package com.termux.terminal;
*/
final class JNI {
static {
System.loadLibrary("termux");
}
static {
System.loadLibrary("termux");
}
/**
* Create a subprocess. Differs from {@link ProcessBuilder} in that a pseudoterminal is used to communicate with the
* subprocess.
*
* Callers are responsible for calling {@link #close(int)} on the returned file descriptor.
*
* @param cmd
* The command to execute
* @param cwd
* The current working directory for the executed command
* @param args
* An array of arguments to the command
* @param envVars
* An array of strings of the form "VAR=value" to be added to the environment of the process
* @param processId
* A one-element array to which the process ID of the started process will be written.
* @return the file descriptor resulting from opening /dev/ptmx master device. The sub process will have opened the
* slave device counterpart (/dev/pts/$N) and have it as stdint, stdout and stderr.
*/
public static native int createSubprocess(String cmd, String cwd, String[] args, String[] envVars, int[] processId, int rows, int columns);
/**
* Create a subprocess. Differs from {@link ProcessBuilder} in that a pseudoterminal is used to communicate with the
* subprocess.
* <p/>
* Callers are responsible for calling {@link #close(int)} on the returned file descriptor.
*
* @param cmd The command to execute
* @param cwd The current working directory for the executed command
* @param args An array of arguments to the command
* @param envVars An array of strings of the form "VAR=value" to be added to the environment of the process
* @param processId A one-element array to which the process ID of the started process will be written.
* @return the file descriptor resulting from opening /dev/ptmx master device. The sub process will have opened the
* slave device counterpart (/dev/pts/$N) and have it as stdint, stdout and stderr.
*/
public static native int createSubprocess(String cmd, String cwd, String[] args, String[] envVars, int[] processId, int rows, int columns);
/** Set the window size for a given pty, which allows connected programs to learn how large their screen is. */
public static native void setPtyWindowSize(int fd, int rows, int cols);
/** Set the window size for a given pty, which allows connected programs to learn how large their screen is. */
public static native void setPtyWindowSize(int fd, int rows, int cols);
/**
* Causes the calling thread to wait for the process associated with the receiver to finish executing.
*
* @return if >= 0, the exit status of the process. If < 0, the signal causing the process to stop negated.
*/
public static native int waitFor(int processId);
/**
* Causes the calling thread to wait for the process associated with the receiver to finish executing.
*
* @return if >= 0, the exit status of the process. If < 0, the signal causing the process to stop negated.
*/
public static native int waitFor(int processId);
/** Close a file descriptor through the close(2) system call. */
public static native void close(int fileDescriptor);
/** Close a file descriptor through the close(2) system call. */
public static native void close(int fileDescriptor);
}

471
app/src/main/java/com/termux/terminal/KeyHandler.java
View File

@@ -1,5 +1,10 @@
package com.termux.terminal;
import android.view.KeyEvent;
import java.util.HashMap;
import java.util.Map;
import static android.view.KeyEvent.KEYCODE_BREAK;
import static android.view.KeyEvent.KEYCODE_DEL;
import static android.view.KeyEvent.KEYCODE_DPAD_CENTER;
@@ -22,6 +27,7 @@ import static android.view.KeyEvent.KEYCODE_F7;
import static android.view.KeyEvent.KEYCODE_F8;
import static android.view.KeyEvent.KEYCODE_F9;
import static android.view.KeyEvent.KEYCODE_FORWARD_DEL;
import static android.view.KeyEvent.KEYCODE_HOME;
import static android.view.KeyEvent.KEYCODE_INSERT;
import static android.view.KeyEvent.KEYCODE_MOVE_END;
import static android.view.KeyEvent.KEYCODE_NUMPAD_0;
@@ -47,264 +53,259 @@ import static android.view.KeyEvent.KEYCODE_PAGE_DOWN;
import static android.view.KeyEvent.KEYCODE_PAGE_UP;
import static android.view.KeyEvent.KEYCODE_SYSRQ;
import static android.view.KeyEvent.KEYCODE_TAB;
import static android.view.KeyEvent.KEYCODE_HOME;
import java.util.HashMap;
import java.util.Map;
import android.view.KeyEvent;
public final class KeyHandler {
public static final int KEYMOD_ALT = 0x80000000;
public static final int KEYMOD_CTRL = 0x40000000;
public static final int KEYMOD_SHIFT = 0x20000000;
public static final int KEYMOD_ALT = 0x80000000;
public static final int KEYMOD_CTRL = 0x40000000;
public static final int KEYMOD_SHIFT = 0x20000000;
private static final Map<String, Integer> TERMCAP_TO_KEYCODE = new HashMap<>();
static {
// terminfo: http://pubs.opengroup.org/onlinepubs/7990989799/xcurses/terminfo.html
// termcap: http://man7.org/linux/man-pages/man5/termcap.5.html
TERMCAP_TO_KEYCODE.put("%i", KEYMOD_SHIFT | KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("#2", KEYMOD_SHIFT | KEYCODE_HOME); // Shifted home
TERMCAP_TO_KEYCODE.put("#4", KEYMOD_SHIFT | KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("*7", KEYMOD_SHIFT | KEYCODE_MOVE_END); // Shifted end key
private static final Map<String, Integer> TERMCAP_TO_KEYCODE = new HashMap<>();
TERMCAP_TO_KEYCODE.put("k1", KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("k2", KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("k3", KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("k4", KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("k5", KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("k6", KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("k7", KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("k8", KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("k9", KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("k;", KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("F1", KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("F2", KEYCODE_F12);
TERMCAP_TO_KEYCODE.put("F3", KEYMOD_SHIFT | KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("F4", KEYMOD_SHIFT | KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("F5", KEYMOD_SHIFT | KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("F6", KEYMOD_SHIFT | KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("F7", KEYMOD_SHIFT | KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("F8", KEYMOD_SHIFT | KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("F9", KEYMOD_SHIFT | KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("FA", KEYMOD_SHIFT | KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("FB", KEYMOD_SHIFT | KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("FC", KEYMOD_SHIFT | KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("FD", KEYMOD_SHIFT | KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("FE", KEYMOD_SHIFT | KEYCODE_F12);
static {
// terminfo: http://pubs.opengroup.org/onlinepubs/7990989799/xcurses/terminfo.html
// termcap: http://man7.org/linux/man-pages/man5/termcap.5.html
TERMCAP_TO_KEYCODE.put("%i", KEYMOD_SHIFT | KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("#2", KEYMOD_SHIFT | KEYCODE_HOME); // Shifted home
TERMCAP_TO_KEYCODE.put("#4", KEYMOD_SHIFT | KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("*7", KEYMOD_SHIFT | KEYCODE_MOVE_END); // Shifted end key
TERMCAP_TO_KEYCODE.put("kb", KEYCODE_DEL); // backspace key
TERMCAP_TO_KEYCODE.put("k1", KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("k2", KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("k3", KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("k4", KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("k5", KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("k6", KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("k7", KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("k8", KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("k9", KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("k;", KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("F1", KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("F2", KEYCODE_F12);
TERMCAP_TO_KEYCODE.put("F3", KEYMOD_SHIFT | KEYCODE_F1);
TERMCAP_TO_KEYCODE.put("F4", KEYMOD_SHIFT | KEYCODE_F2);
TERMCAP_TO_KEYCODE.put("F5", KEYMOD_SHIFT | KEYCODE_F3);
TERMCAP_TO_KEYCODE.put("F6", KEYMOD_SHIFT | KEYCODE_F4);
TERMCAP_TO_KEYCODE.put("F7", KEYMOD_SHIFT | KEYCODE_F5);
TERMCAP_TO_KEYCODE.put("F8", KEYMOD_SHIFT | KEYCODE_F6);
TERMCAP_TO_KEYCODE.put("F9", KEYMOD_SHIFT | KEYCODE_F7);
TERMCAP_TO_KEYCODE.put("FA", KEYMOD_SHIFT | KEYCODE_F8);
TERMCAP_TO_KEYCODE.put("FB", KEYMOD_SHIFT | KEYCODE_F9);
TERMCAP_TO_KEYCODE.put("FC", KEYMOD_SHIFT | KEYCODE_F10);
TERMCAP_TO_KEYCODE.put("FD", KEYMOD_SHIFT | KEYCODE_F11);
TERMCAP_TO_KEYCODE.put("FE", KEYMOD_SHIFT | KEYCODE_F12);
TERMCAP_TO_KEYCODE.put("kd", KEYCODE_DPAD_DOWN); // terminfo=kcud1, down-arrow key
TERMCAP_TO_KEYCODE.put("kh", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("kl", KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("kr", KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("kb", KEYCODE_DEL); // backspace key
// K1=Upper left of keypad:
// t_K1 <kHome> keypad home key
// t_K3 <kPageUp> keypad page-up key
// t_K4 <kEnd> keypad end key
// t_K5 <kPageDown> keypad page-down key
TERMCAP_TO_KEYCODE.put("K1", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("K3", KeyEvent.KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("K4", KeyEvent.KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("K5", KeyEvent.KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kd", KEYCODE_DPAD_DOWN); // terminfo=kcud1, down-arrow key
TERMCAP_TO_KEYCODE.put("kh", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("kl", KEYCODE_DPAD_LEFT);
TERMCAP_TO_KEYCODE.put("kr", KEYCODE_DPAD_RIGHT);
TERMCAP_TO_KEYCODE.put("ku", KEYCODE_DPAD_UP);
// K1=Upper left of keypad:
// t_K1 <kHome> keypad home key
// t_K3 <kPageUp> keypad page-up key
// t_K4 <kEnd> keypad end key
// t_K5 <kPageDown> keypad page-down key
TERMCAP_TO_KEYCODE.put("K1", KeyEvent.KEYCODE_HOME);
TERMCAP_TO_KEYCODE.put("K3", KeyEvent.KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("K4", KeyEvent.KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("K5", KeyEvent.KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kB", KEYMOD_SHIFT | KEYCODE_TAB); // termcap=kB, terminfo=kcbt: Back-tab
TERMCAP_TO_KEYCODE.put("kD", KEYCODE_FORWARD_DEL); // terminfo=kdch1, delete-character key
TERMCAP_TO_KEYCODE.put("kDN", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // non-standard shifted arrow down
TERMCAP_TO_KEYCODE.put("kF", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // terminfo=kind, scroll-forward key
TERMCAP_TO_KEYCODE.put("kI", KEYCODE_INSERT);
TERMCAP_TO_KEYCODE.put("kN", KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("kP", KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kR", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // terminfo=kri, scroll-backward key
TERMCAP_TO_KEYCODE.put("kUP", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // non-standard shifted up
TERMCAP_TO_KEYCODE.put("ku", KEYCODE_DPAD_UP);
TERMCAP_TO_KEYCODE.put("@7", KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("@8", KEYCODE_NUMPAD_ENTER);
}
TERMCAP_TO_KEYCODE.put("kB", KEYMOD_SHIFT | KEYCODE_TAB); // termcap=kB, terminfo=kcbt: Back-tab
TERMCAP_TO_KEYCODE.put("kD", KEYCODE_FORWARD_DEL); // terminfo=kdch1, delete-character key
TERMCAP_TO_KEYCODE.put("kDN", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // non-standard shifted arrow down
TERMCAP_TO_KEYCODE.put("kF", KEYMOD_SHIFT | KEYCODE_DPAD_DOWN); // terminfo=kind, scroll-forward key
TERMCAP_TO_KEYCODE.put("kI", KEYCODE_INSERT);
TERMCAP_TO_KEYCODE.put("kN", KEYCODE_PAGE_UP);
TERMCAP_TO_KEYCODE.put("kP", KEYCODE_PAGE_DOWN);
TERMCAP_TO_KEYCODE.put("kR", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // terminfo=kri, scroll-backward key
TERMCAP_TO_KEYCODE.put("kUP", KEYMOD_SHIFT | KEYCODE_DPAD_UP); // non-standard shifted up
static String getCodeFromTermcap(String termcap, boolean cursorKeysApplication, boolean keypadApplication) {
Integer keyCodeAndMod = TERMCAP_TO_KEYCODE.get(termcap);
if (keyCodeAndMod == null) return null;
int keyCode = keyCodeAndMod;
int keyMod = 0;
if ((keyCode & KEYMOD_SHIFT) != 0) {
keyMod |= KEYMOD_SHIFT;
keyCode &= ~KEYMOD_SHIFT;
}
if ((keyCode & KEYMOD_CTRL) != 0) {
keyMod |= KEYMOD_CTRL;
keyCode &= ~KEYMOD_CTRL;
}
if ((keyCode & KEYMOD_ALT) != 0) {
keyMod |= KEYMOD_ALT;
keyCode &= ~KEYMOD_ALT;
}
return getCode(keyCode, keyMod, cursorKeysApplication, keypadApplication);
}
TERMCAP_TO_KEYCODE.put("@7", KEYCODE_MOVE_END);
TERMCAP_TO_KEYCODE.put("@8", KEYCODE_NUMPAD_ENTER);
}
public static String getCode(int keyCode, int keyMode, boolean cursorApp, boolean keypadApplication) {
switch (keyCode) {
case KEYCODE_DPAD_CENTER:
return "\015";
static String getCodeFromTermcap(String termcap, boolean cursorKeysApplication, boolean keypadApplication) {
Integer keyCodeAndMod = TERMCAP_TO_KEYCODE.get(termcap);
if (keyCodeAndMod == null) return null;
int keyCode = keyCodeAndMod;
int keyMod = 0;
if ((keyCode & KEYMOD_SHIFT) != 0) {
keyMod |= KEYMOD_SHIFT;
keyCode &= ~KEYMOD_SHIFT;
}
if ((keyCode & KEYMOD_CTRL) != 0) {
keyMod |= KEYMOD_CTRL;
keyCode &= ~KEYMOD_CTRL;
}
if ((keyCode & KEYMOD_ALT) != 0) {
keyMod |= KEYMOD_ALT;
keyCode &= ~KEYMOD_ALT;
}
return getCode(keyCode, keyMod, cursorKeysApplication, keypadApplication);
}
case KEYCODE_DPAD_UP:
return (keyMode == 0) ? (cursorApp ? "\033OA" : "\033[A") : transformForModifiers("\033[1", keyMode, 'A');
case KEYCODE_DPAD_DOWN:
return (keyMode == 0) ? (cursorApp ? "\033OB" : "\033[B") : transformForModifiers("\033[1", keyMode, 'B');
case KEYCODE_DPAD_RIGHT:
return (keyMode == 0) ? (cursorApp ? "\033OC" : "\033[C") : transformForModifiers("\033[1", keyMode, 'C');
case KEYCODE_DPAD_LEFT:
return (keyMode == 0) ? (cursorApp ? "\033OD" : "\033[D") : transformForModifiers("\033[1", keyMode, 'D');
public static String getCode(int keyCode, int keyMode, boolean cursorApp, boolean keypadApplication) {
switch (keyCode) {
case KEYCODE_DPAD_CENTER:
return "\015";
case KeyEvent.KEYCODE_HOME:
return (keyMode == 0) ? (cursorApp ? "\033OH" : "\033[H") : transformForModifiers("\033[1", keyMode, 'H');
case KEYCODE_MOVE_END:
return (keyMode == 0) ? (cursorApp ? "\033OF" : "\033[F") : transformForModifiers("\033[1", keyMode, 'F');
case KEYCODE_DPAD_UP:
return (keyMode == 0) ? (cursorApp ? "\033OA" : "\033[A") : transformForModifiers("\033[1", keyMode, 'A');
case KEYCODE_DPAD_DOWN:
return (keyMode == 0) ? (cursorApp ? "\033OB" : "\033[B") : transformForModifiers("\033[1", keyMode, 'B');
case KEYCODE_DPAD_RIGHT:
return (keyMode == 0) ? (cursorApp ? "\033OC" : "\033[C") : transformForModifiers("\033[1", keyMode, 'C');
case KEYCODE_DPAD_LEFT:
return (keyMode == 0) ? (cursorApp ? "\033OD" : "\033[D") : transformForModifiers("\033[1", keyMode, 'D');
// An xterm can send function keys F1 to F4 in two modes: vt100 compatible or
// not. Because Vim may not know what the xterm is sending, both types of keys
// are recognized. The same happens for the <Home> and <End> keys.
// normal vt100 ~
// <F1> t_k1 <Esc>[11~ <xF1> <Esc>OP *<xF1>-xterm*
// <F2> t_k2 <Esc>[12~ <xF2> <Esc>OQ *<xF2>-xterm*
// <F3> t_k3 <Esc>[13~ <xF3> <Esc>OR *<xF3>-xterm*
// <F4> t_k4 <Esc>[14~ <xF4> <Esc>OS *<xF4>-xterm*
// <Home> t_kh <Esc>[7~ <xHome> <Esc>OH *<xHome>-xterm*
// <End> t_@7 <Esc>[4~ <xEnd> <Esc>OF *<xEnd>-xterm*
case KEYCODE_F1:
return (keyMode == 0) ? "\033OP" : transformForModifiers("\033[1", keyMode, 'P');
case KEYCODE_F2:
return (keyMode == 0) ? "\033OQ" : transformForModifiers("\033[1", keyMode, 'Q');
case KEYCODE_F3:
return (keyMode == 0) ? "\033OR" : transformForModifiers("\033[1", keyMode, 'R');
case KEYCODE_F4:
return (keyMode == 0) ? "\033OS" : transformForModifiers("\033[1", keyMode, 'S');
case KEYCODE_F5:
return transformForModifiers("\033[15", keyMode, '~');
case KEYCODE_F6:
return transformForModifiers("\033[17", keyMode, '~');
case KEYCODE_F7:
return transformForModifiers("\033[18", keyMode, '~');
case KEYCODE_F8:
return transformForModifiers("\033[19", keyMode, '~');
case KEYCODE_F9:
return transformForModifiers("\033[20", keyMode, '~');
case KEYCODE_F10:
return transformForModifiers("\033[21", keyMode, '~');
case KEYCODE_F11:
return transformForModifiers("\033[23", keyMode, '~');
case KEYCODE_F12:
return transformForModifiers("\033[24", keyMode, '~');
case KeyEvent.KEYCODE_HOME:
return (keyMode == 0) ? (cursorApp ? "\033OH" : "\033[H") : transformForModifiers("\033[1", keyMode, 'H');
case KEYCODE_MOVE_END:
return (keyMode == 0) ? (cursorApp ? "\033OF" : "\033[F") : transformForModifiers("\033[1", keyMode, 'F');
case KEYCODE_SYSRQ:
return "\033[32~"; // Sys Request / Print
// Is this Scroll lock? case Cancel: return "\033[33~";
case KEYCODE_BREAK:
return "\033[34~"; // Pause/Break
// An xterm can send function keys F1 to F4 in two modes: vt100 compatible or
// not. Because Vim may not know what the xterm is sending, both types of keys
// are recognized. The same happens for the <Home> and <End> keys.
// normal vt100 ~
// <F1> t_k1 <Esc>[11~ <xF1> <Esc>OP *<xF1>-xterm*
// <F2> t_k2 <Esc>[12~ <xF2> <Esc>OQ *<xF2>-xterm*
// <F3> t_k3 <Esc>[13~ <xF3> <Esc>OR *<xF3>-xterm*
// <F4> t_k4 <Esc>[14~ <xF4> <Esc>OS *<xF4>-xterm*
// <Home> t_kh <Esc>[7~ <xHome> <Esc>OH *<xHome>-xterm*
// <End> t_@7 <Esc>[4~ <xEnd> <Esc>OF *<xEnd>-xterm*
case KEYCODE_F1:
return (keyMode == 0) ? "\033OP" : transformForModifiers("\033[1", keyMode, 'P');
case KEYCODE_F2:
return (keyMode == 0) ? "\033OQ" : transformForModifiers("\033[1", keyMode, 'Q');
case KEYCODE_F3:
return (keyMode == 0) ? "\033OR" : transformForModifiers("\033[1", keyMode, 'R');
case KEYCODE_F4:
return (keyMode == 0) ? "\033OS" : transformForModifiers("\033[1", keyMode, 'S');
case KEYCODE_F5:
return transformForModifiers("\033[15", keyMode, '~');
case KEYCODE_F6:
return transformForModifiers("\033[17", keyMode, '~');
case KEYCODE_F7:
return transformForModifiers("\033[18", keyMode, '~');
case KEYCODE_F8:
return transformForModifiers("\033[19", keyMode, '~');
case KEYCODE_F9:
return transformForModifiers("\033[20", keyMode, '~');
case KEYCODE_F10:
return transformForModifiers("\033[21", keyMode, '~');
case KEYCODE_F11:
return transformForModifiers("\033[23", keyMode, '~');
case KEYCODE_F12:
return transformForModifiers("\033[24", keyMode, '~');
case KEYCODE_ESCAPE:
case KeyEvent.KEYCODE_BACK:
return "\033";
case KEYCODE_SYSRQ:
return "\033[32~"; // Sys Request / Print
// Is this Scroll lock? case Cancel: return "\033[33~";
case KEYCODE_BREAK:
return "\033[34~"; // Pause/Break
case KEYCODE_INSERT:
return transformForModifiers("\033[2", keyMode, '~');
case KEYCODE_FORWARD_DEL:
return transformForModifiers("\033[3", keyMode, '~');
case KEYCODE_ESCAPE:
case KeyEvent.KEYCODE_BACK:
return "\033";
case KEYCODE_NUMPAD_DOT:
return keypadApplication ? "\033On" : "\033[3~";
case KEYCODE_INSERT:
return transformForModifiers("\033[2", keyMode, '~');
case KEYCODE_FORWARD_DEL:
return transformForModifiers("\033[3", keyMode, '~');
case KEYCODE_PAGE_UP:
return "\033[5~";
case KEYCODE_PAGE_DOWN:
return "\033[6~";
case KEYCODE_DEL:
// Yes, this needs to U+007F and not U+0008!
return "\u007F";
case KEYCODE_NUM_LOCK:
return "\033OP";
case KEYCODE_NUMPAD_DOT:
return keypadApplication ? "\033On" : "\033[3~";
case KeyEvent.KEYCODE_SPACE:
// If ctrl is not down, return null so that it goes through normal input processing (which may e.g. cause a
// combining accent to be written):
return ((keyMode & KEYMOD_CTRL) == 0) ? null : "\0";
case KEYCODE_TAB:
// This is back-tab when shifted:
return (keyMode & KEYMOD_SHIFT) == 0 ? "\011" : "\033[Z";
case KEYCODE_ENTER:
return ((keyMode & KEYMOD_ALT) == 0) ? "\r" : "\033\r";
case KEYCODE_PAGE_UP:
return "\033[5~";
case KEYCODE_PAGE_DOWN:
return "\033[6~";
case KEYCODE_DEL:
// Yes, this needs to U+007F and not U+0008!
return "\u007F";
case KEYCODE_NUM_LOCK:
return "\033OP";
case KEYCODE_NUMPAD_ENTER:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'M') : "\n";
case KEYCODE_NUMPAD_MULTIPLY:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'j') : "*";
case KEYCODE_NUMPAD_ADD:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'k') : "+";
case KEYCODE_NUMPAD_COMMA:
return ",";
case KEYCODE_NUMPAD_SUBTRACT:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'm') : "-";
case KEYCODE_NUMPAD_DIVIDE:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'o') : "/";
case KEYCODE_NUMPAD_0:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'p') : "1";
case KEYCODE_NUMPAD_1:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'q') : "1";
case KEYCODE_NUMPAD_2:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'r') : "2";
case KEYCODE_NUMPAD_3:
return keypadApplication ? transformForModifiers("\033O", keyMode, 's') : "3";
case KEYCODE_NUMPAD_4:
return keypadApplication ? transformForModifiers("\033O", keyMode, 't') : "4";
case KEYCODE_NUMPAD_5:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'u') : "5";
case KEYCODE_NUMPAD_6:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'v') : "6";
case KEYCODE_NUMPAD_7:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'w') : "7";
case KEYCODE_NUMPAD_8:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'x') : "8";
case KEYCODE_NUMPAD_9:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'y') : "9";
case KEYCODE_NUMPAD_EQUALS:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'X') : "=";
}
case KeyEvent.KEYCODE_SPACE:
// If ctrl is not down, return null so that it goes through normal input processing (which may e.g. cause a
// combining accent to be written):
return ((keyMode & KEYMOD_CTRL) == 0) ? null : "\0";
case KEYCODE_TAB:
// This is back-tab when shifted:
return (keyMode & KEYMOD_SHIFT) == 0 ? "\011" : "\033[Z";
case KEYCODE_ENTER:
return ((keyMode & KEYMOD_ALT) == 0) ? "\r" : "\033\r";
return null;
}
case KEYCODE_NUMPAD_ENTER:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'M') : "\n";
case KEYCODE_NUMPAD_MULTIPLY:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'j') : "*";
case KEYCODE_NUMPAD_ADD:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'k') : "+";
case KEYCODE_NUMPAD_COMMA:
return ",";
case KEYCODE_NUMPAD_SUBTRACT:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'm') : "-";
case KEYCODE_NUMPAD_DIVIDE:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'o') : "/";
case KEYCODE_NUMPAD_0:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'p') : "1";
case KEYCODE_NUMPAD_1:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'q') : "1";
case KEYCODE_NUMPAD_2:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'r') : "2";
case KEYCODE_NUMPAD_3:
return keypadApplication ? transformForModifiers("\033O", keyMode, 's') : "3";
case KEYCODE_NUMPAD_4:
return keypadApplication ? transformForModifiers("\033O", keyMode, 't') : "4";
case KEYCODE_NUMPAD_5:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'u') : "5";
case KEYCODE_NUMPAD_6:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'v') : "6";
case KEYCODE_NUMPAD_7:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'w') : "7";
case KEYCODE_NUMPAD_8:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'x') : "8";
case KEYCODE_NUMPAD_9:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'y') : "9";
case KEYCODE_NUMPAD_EQUALS:
return keypadApplication ? transformForModifiers("\033O", keyMode, 'X') : "=";
}
private static String transformForModifiers(String start, int keymod, char lastChar) {
int modifier;
switch (keymod) {
case KEYMOD_SHIFT:
modifier = 2;
break;
case KEYMOD_ALT:
modifier = 3;
break;
case (KEYMOD_SHIFT | KEYMOD_ALT):
modifier = 4;
break;
case KEYMOD_CTRL:
modifier = 5;
break;
case KEYMOD_SHIFT | KEYMOD_CTRL:
modifier = 6;
break;
case KEYMOD_ALT | KEYMOD_CTRL:
modifier = 7;
break;
case KEYMOD_SHIFT | KEYMOD_ALT | KEYMOD_CTRL:
modifier = 8;
break;
default:
return start + lastChar;
}
return start + (";" + modifier) + lastChar;
}
return null;
}
private static String transformForModifiers(String start, int keymod, char lastChar) {
int modifier;
switch (keymod) {
case KEYMOD_SHIFT:
modifier = 2;
break;
case KEYMOD_ALT:
modifier = 3;
break;
case (KEYMOD_SHIFT | KEYMOD_ALT):
modifier = 4;
break;
case KEYMOD_CTRL:
modifier = 5;
break;
case KEYMOD_SHIFT | KEYMOD_CTRL:
modifier = 6;
break;
case KEYMOD_ALT | KEYMOD_CTRL:
modifier = 7;
break;
case KEYMOD_SHIFT | KEYMOD_ALT | KEYMOD_CTRL:
modifier = 8;
break;
default:
return start + lastChar;
}
return start + (";" + modifier) + lastChar;
}
}

768
app/src/main/java/com/termux/terminal/TerminalBuffer.java
View File

@@ -3,441 +3,425 @@ package com.termux.terminal;
/**
* A circular buffer of {@link TerminalRow}:s which keeps notes about what is visible on a logical screen and the scroll
* history.
*
* <p/>
* See {@link #externalToInternalRow(int)} for how to map from logical screen rows to array indices.
*/
public final class TerminalBuffer {
TerminalRow[] mLines;
/** The length of {@link #mLines}. */
int mTotalRows;
/** The number of rows and columns visible on the screen. */
int mScreenRows, mColumns;
/** The number of rows kept in history. */
private int mActiveTranscriptRows = 0;
/** The index in the circular buffer where the visible screen starts. */
private int mScreenFirstRow = 0;
TerminalRow[] mLines;
/** The length of {@link #mLines}. */
int mTotalRows;
/** The number of rows and columns visible on the screen. */
int mScreenRows, mColumns;
/** The number of rows kept in history. */
private int mActiveTranscriptRows = 0;
/** The index in the circular buffer where the visible screen starts. */
private int mScreenFirstRow = 0;
/**
* Create a transcript screen.
*
* @param columns
* the width of the screen in characters.
* @param totalRows
* the height of the entire text area, in rows of text.
* @param screenRows
* the height of just the screen, not including the transcript that holds lines that have scrolled off
* the top of the screen.
*/
public TerminalBuffer(int columns, int totalRows, int screenRows) {
mColumns = columns;
mTotalRows = totalRows;
mScreenRows = screenRows;
mLines = new TerminalRow[totalRows];
/**
* Create a transcript screen.
*
* @param columns the width of the screen in characters.
* @param totalRows the height of the entire text area, in rows of text.
* @param screenRows the height of just the screen, not including the transcript that holds lines that have scrolled off
* the top of the screen.
*/
public TerminalBuffer(int columns, int totalRows, int screenRows) {
mColumns = columns;
mTotalRows = totalRows;
mScreenRows = screenRows;
mLines = new TerminalRow[totalRows];
blockSet(0, 0, columns, screenRows, ' ', TextStyle.NORMAL);
}
blockSet(0, 0, columns, screenRows, ' ', TextStyle.NORMAL);
}
public String getTranscriptText() {
return getSelectedText(0, -getActiveTranscriptRows(), mColumns, mScreenRows).trim();
}
public String getTranscriptText() {
return getSelectedText(0, -getActiveTranscriptRows(), mColumns, mScreenRows).trim();
}
public String getSelectedText(int selX1, int selY1, int selX2, int selY2) {
final StringBuilder builder = new StringBuilder();
final int columns = mColumns;
public String getSelectedText(int selX1, int selY1, int selX2, int selY2) {
final StringBuilder builder = new StringBuilder();
final int columns = mColumns;
if (selY1 < -getActiveTranscriptRows()) selY1 = -getActiveTranscriptRows();
if (selY2 >= mScreenRows) selY2 = mScreenRows - 1;
if (selY1 < -getActiveTranscriptRows()) selY1 = -getActiveTranscriptRows();
if (selY2 >= mScreenRows) selY2 = mScreenRows - 1;
for (int row = selY1; row <= selY2; row++) {
int x1 = (row == selY1) ? selX1 : 0;
int x2;
if (row == selY2) {
x2 = selX2 + 1;
if (x2 > columns) x2 = columns;
} else {
x2 = columns;
}
TerminalRow lineObject = mLines[externalToInternalRow(row)];
int x1Index = lineObject.findStartOfColumn(x1);
int x2Index = (x2 < mColumns) ? lineObject.findStartOfColumn(x2) : lineObject.getSpaceUsed();
if (x2Index == x1Index) {
// Selected the start of a wide character.
x2Index = lineObject.findStartOfColumn(x2+1);
}
char[] line = lineObject.mText;
int lastPrintingCharIndex = -1;
int i;
boolean rowLineWrap = getLineWrap(row);
if (rowLineWrap && x2 == columns) {
// If the line was wrapped, we shouldn't lose trailing space:
lastPrintingCharIndex = x2Index - 1;
} else {
for (i = x1Index; i < x2Index; ++i) {
char c = line[i];
if (c != ' ') lastPrintingCharIndex = i;
}
}
if (lastPrintingCharIndex != -1) builder.append(line, x1Index, lastPrintingCharIndex - x1Index + 1);
if (!rowLineWrap && row < selY2 && row < mScreenRows - 1) builder.append('\n');
}
return builder.toString();
}
for (int row = selY1; row <= selY2; row++) {
int x1 = (row == selY1) ? selX1 : 0;
int x2;
if (row == selY2) {
x2 = selX2 + 1;
if (x2 > columns) x2 = columns;
} else {
x2 = columns;
}
TerminalRow lineObject = mLines[externalToInternalRow(row)];
int x1Index = lineObject.findStartOfColumn(x1);
int x2Index = (x2 < mColumns) ? lineObject.findStartOfColumn(x2) : lineObject.getSpaceUsed();
if (x2Index == x1Index) {
// Selected the start of a wide character.
x2Index = lineObject.findStartOfColumn(x2 + 1);
}
char[] line = lineObject.mText;
int lastPrintingCharIndex = -1;
int i;
boolean rowLineWrap = getLineWrap(row);
if (rowLineWrap && x2 == columns) {
// If the line was wrapped, we shouldn't lose trailing space:
lastPrintingCharIndex = x2Index - 1;
} else {
for (i = x1Index; i < x2Index; ++i) {
char c = line[i];
if (c != ' ') lastPrintingCharIndex = i;
}
}
if (lastPrintingCharIndex != -1)
builder.append(line, x1Index, lastPrintingCharIndex - x1Index + 1);
if (!rowLineWrap && row < selY2 && row < mScreenRows - 1) builder.append('\n');
}
return builder.toString();
}
public int getActiveTranscriptRows() {
return mActiveTranscriptRows;
}
public int getActiveTranscriptRows() {
return mActiveTranscriptRows;
}
public int getActiveRows() {
return mActiveTranscriptRows + mScreenRows;
}
public int getActiveRows() {
return mActiveTranscriptRows + mScreenRows;
}
/**
* Convert a row value from the public external coordinate system to our internal private coordinate system.
*
* <ul>
* <li>External coordinate system: -mActiveTranscriptRows to mScreenRows-1, with the screen being 0..mScreenRows-1.
* <li>Internal coordinate system: the mScreenRows lines starting at mScreenFirstRow comprise the screen, while the
* mActiveTranscriptRows lines ending at mScreenFirstRow-1 form the transcript (as a circular buffer).
* </ul>
*
* External <---> Internal:
*
* <pre>
* [ ... ] [ ... ]
* [ -mActiveTranscriptRows ] [ mScreenFirstRow - mActiveTranscriptRows ]
* [ ... ] [ ... ]
* [ 0 (visible screen starts here) ] <-----> [ mScreenFirstRow ]
* [ ... ] [ ... ]
* [ mScreenRows-1 ] [ mScreenFirstRow + mScreenRows-1 ]
* </pre>
*
* @param externalRow
* a row in the external coordinate system.
* @return The row corresponding to the input argument in the private coordinate system.
*/
public int externalToInternalRow(int externalRow) {
if (externalRow < -mActiveTranscriptRows || externalRow > mScreenRows)
throw new IllegalArgumentException("extRow=" + externalRow + ", mScreenRows=" + mScreenRows + ", mActiveTranscriptRows=" + mActiveTranscriptRows);
final int internalRow = mScreenFirstRow + externalRow;
return (internalRow < 0) ? (mTotalRows + internalRow) : (internalRow % mTotalRows);
}
/**
* Convert a row value from the public external coordinate system to our internal private coordinate system.
* <p/>
* <ul>
* <li>External coordinate system: -mActiveTranscriptRows to mScreenRows-1, with the screen being 0..mScreenRows-1.
* <li>Internal coordinate system: the mScreenRows lines starting at mScreenFirstRow comprise the screen, while the
* mActiveTranscriptRows lines ending at mScreenFirstRow-1 form the transcript (as a circular buffer).
* </ul>
* <p/>
* External <---> Internal:
* <p/>
* <pre>
* [ ... ] [ ... ]
* [ -mActiveTranscriptRows ] [ mScreenFirstRow - mActiveTranscriptRows ]
* [ ... ] [ ... ]
* [ 0 (visible screen starts here) ] <-----> [ mScreenFirstRow ]
* [ ... ] [ ... ]
* [ mScreenRows-1 ] [ mScreenFirstRow + mScreenRows-1 ]
* </pre>
*
* @param externalRow a row in the external coordinate system.
* @return The row corresponding to the input argument in the private coordinate system.
*/
public int externalToInternalRow(int externalRow) {
if (externalRow < -mActiveTranscriptRows || externalRow > mScreenRows)
throw new IllegalArgumentException("extRow=" + externalRow + ", mScreenRows=" + mScreenRows + ", mActiveTranscriptRows=" + mActiveTranscriptRows);
final int internalRow = mScreenFirstRow + externalRow;
return (internalRow < 0) ? (mTotalRows + internalRow) : (internalRow % mTotalRows);
}
public void setLineWrap(int row) {
mLines[externalToInternalRow(row)].mLineWrap = true;
}
public void setLineWrap(int row) {
mLines[externalToInternalRow(row)].mLineWrap = true;
}
public boolean getLineWrap(int row) {
return mLines[externalToInternalRow(row)].mLineWrap;
}
public boolean getLineWrap(int row) {
return mLines[externalToInternalRow(row)].mLineWrap;
}
public void clearLineWrap(int row) {
mLines[externalToInternalRow(row)].mLineWrap = false;
}
/**
* Resize the screen which this transcript backs. Currently, this only works if the number of columns does not
* change or the rows expand (that is, it only works when shrinking the number of rows).
*
* @param newColumns
* The number of columns the screen should have.
* @param newRows
* The number of rows the screen should have.
* @param cursor
* An int[2] containing the (column, row) cursor location.
*/
public void resize(int newColumns, int newRows, int newTotalRows, int[] cursor, int currentStyle, boolean altScreen) {
// newRows > mTotalRows should not normally happen since mTotalRows is TRANSCRIPT_ROWS (10000):
if (newColumns == mColumns && newRows <= mTotalRows) {
// Fast resize where just the rows changed.
int shiftDownOfTopRow = mScreenRows - newRows;
if (shiftDownOfTopRow > 0 && shiftDownOfTopRow < mScreenRows) {
// Shrinking. Check if we can skip blank rows at bottom below cursor.
for (int i = mScreenRows - 1; i > 0; i--) {
if (cursor[1] >= i) break;
int r = externalToInternalRow(i);
if (mLines[r] == null || mLines[r].isBlank()) {
if (--shiftDownOfTopRow == 0) break;
}
}
} else if (shiftDownOfTopRow < 0) {
// Negative shift down = expanding. Only move screen up if there is transcript to show:
int actualShift = Math.max(shiftDownOfTopRow, -mActiveTranscriptRows);
if (shiftDownOfTopRow != actualShift) {
// The new lines revealed by the resizing are not all from the transcript. Blank the below ones.
for (int i = 0; i < actualShift - shiftDownOfTopRow; i++)
allocateFullLineIfNecessary((mScreenFirstRow + mScreenRows + i) % mTotalRows).clear(currentStyle);
shiftDownOfTopRow = actualShift;
}
}
mScreenFirstRow += shiftDownOfTopRow;
mScreenFirstRow = (mScreenFirstRow < 0) ? (mScreenFirstRow + mTotalRows) : (mScreenFirstRow % mTotalRows);
mTotalRows = newTotalRows;
mActiveTranscriptRows = altScreen ? 0 : Math.max(0, mActiveTranscriptRows + shiftDownOfTopRow);
cursor[1] -= shiftDownOfTopRow;
mScreenRows = newRows;
} else {
// Copy away old state and update new:
TerminalRow[] oldLines = mLines;
mLines = new TerminalRow[newTotalRows];
for (int i = 0; i < newTotalRows; i++)
mLines[i] = new TerminalRow(newColumns, currentStyle);
/**
* Resize the screen which this transcript backs. Currently, this only works if the number of columns does not
* change or the rows expand (that is, it only works when shrinking the number of rows).
*
* @param newColumns The number of columns the screen should have.
* @param newRows The number of rows the screen should have.
* @param cursor An int[2] containing the (column, row) cursor location.
*/
public void resize(int newColumns, int newRows, int newTotalRows, int[] cursor, int currentStyle, boolean altScreen) {
// newRows > mTotalRows should not normally happen since mTotalRows is TRANSCRIPT_ROWS (10000):
if (newColumns == mColumns && newRows <= mTotalRows) {
// Fast resize where just the rows changed.
int shiftDownOfTopRow = mScreenRows - newRows;
if (shiftDownOfTopRow > 0 && shiftDownOfTopRow < mScreenRows) {
// Shrinking. Check if we can skip blank rows at bottom below cursor.
for (int i = mScreenRows - 1; i > 0; i--) {
if (cursor[1] >= i) break;
int r = externalToInternalRow(i);
if (mLines[r] == null || mLines[r].isBlank()) {
if (--shiftDownOfTopRow == 0) break;
}
}
} else if (shiftDownOfTopRow < 0) {
// Negative shift down = expanding. Only move screen up if there is transcript to show:
int actualShift = Math.max(shiftDownOfTopRow, -mActiveTranscriptRows);
if (shiftDownOfTopRow != actualShift) {
// The new lines revealed by the resizing are not all from the transcript. Blank the below ones.
for (int i = 0; i < actualShift - shiftDownOfTopRow; i++)
allocateFullLineIfNecessary((mScreenFirstRow + mScreenRows + i) % mTotalRows).clear(currentStyle);
shiftDownOfTopRow = actualShift;
}
}
mScreenFirstRow += shiftDownOfTopRow;
mScreenFirstRow = (mScreenFirstRow < 0) ? (mScreenFirstRow + mTotalRows) : (mScreenFirstRow % mTotalRows);
mTotalRows = newTotalRows;
mActiveTranscriptRows = altScreen ? 0 : Math.max(0, mActiveTranscriptRows + shiftDownOfTopRow);
cursor[1] -= shiftDownOfTopRow;
mScreenRows = newRows;
} else {
// Copy away old state and update new:
TerminalRow[] oldLines = mLines;
mLines = new TerminalRow[newTotalRows];
for (int i = 0; i < newTotalRows; i++)
mLines[i] = new TerminalRow(newColumns, currentStyle);
final int oldActiveTranscriptRows = mActiveTranscriptRows;
final int oldScreenFirstRow = mScreenFirstRow;
final int oldScreenRows = mScreenRows;
final int oldTotalRows = mTotalRows;
mTotalRows = newTotalRows;
mScreenRows = newRows;
mActiveTranscriptRows = mScreenFirstRow = 0;
mColumns = newColumns;
final int oldActiveTranscriptRows = mActiveTranscriptRows;
final int oldScreenFirstRow = mScreenFirstRow;
final int oldScreenRows = mScreenRows;
final int oldTotalRows = mTotalRows;
mTotalRows = newTotalRows;
mScreenRows = newRows;
mActiveTranscriptRows = mScreenFirstRow = 0;
mColumns = newColumns;
int newCursorRow = -1;
int newCursorColumn = -1;
int oldCursorRow = cursor[1];
int oldCursorColumn = cursor[0];
boolean newCursorPlaced = false;
int newCursorRow = -1;
int newCursorColumn = -1;
int oldCursorRow = cursor[1];
int oldCursorColumn = cursor[0];
boolean newCursorPlaced = false;
int currentOutputExternalRow = 0;
int currentOutputExternalColumn = 0;
int currentOutputExternalRow = 0;
int currentOutputExternalColumn = 0;
// Loop over every character in the initial state.
// Blank lines should be skipped only if at end of transcript (just as is done in the "fast" resize), so we
// keep track how many blank lines we have skipped if we later on find a non-blank line.
int skippedBlankLines = 0;
for (int externalOldRow = -oldActiveTranscriptRows; externalOldRow < oldScreenRows; externalOldRow++) {
// Do what externalToInternalRow() does but for the old state:
int internalOldRow = oldScreenFirstRow + externalOldRow;
internalOldRow = (internalOldRow < 0) ? (oldTotalRows + internalOldRow) : (internalOldRow % oldTotalRows);
// Loop over every character in the initial state.
// Blank lines should be skipped only if at end of transcript (just as is done in the "fast" resize), so we
// keep track how many blank lines we have skipped if we later on find a non-blank line.
int skippedBlankLines = 0;
for (int externalOldRow = -oldActiveTranscriptRows; externalOldRow < oldScreenRows; externalOldRow++) {
// Do what externalToInternalRow() does but for the old state:
int internalOldRow = oldScreenFirstRow + externalOldRow;
internalOldRow = (internalOldRow < 0) ? (oldTotalRows + internalOldRow) : (internalOldRow % oldTotalRows);
TerminalRow oldLine = oldLines[internalOldRow];
boolean cursorAtThisRow = externalOldRow == oldCursorRow;
// The cursor may only be on a non-null line, which we should not skip:
if (oldLine == null || (!(!newCursorPlaced && cursorAtThisRow)) && oldLine.isBlank()) {
skippedBlankLines++;
continue;
} else if (skippedBlankLines > 0) {
// After skipping some blank lines we encounter a non-blank line. Insert the skipped blank lines.
for (int i = 0; i < skippedBlankLines; i++) {
if (currentOutputExternalRow == mScreenRows - 1) {
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
skippedBlankLines = 0;
}
TerminalRow oldLine = oldLines[internalOldRow];
boolean cursorAtThisRow = externalOldRow == oldCursorRow;
// The cursor may only be on a non-null line, which we should not skip:
if (oldLine == null || (!(!newCursorPlaced && cursorAtThisRow)) && oldLine.isBlank()) {
skippedBlankLines++;
continue;
} else if (skippedBlankLines > 0) {
// After skipping some blank lines we encounter a non-blank line. Insert the skipped blank lines.
for (int i = 0; i < skippedBlankLines; i++) {
if (currentOutputExternalRow == mScreenRows - 1) {
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
skippedBlankLines = 0;
}
int lastNonSpaceIndex = 0;
boolean justToCursor = false;
if (cursorAtThisRow || oldLine.mLineWrap) {
// Take the whole line, either because of cursor on it, or if line wrapping.
lastNonSpaceIndex = oldLine.getSpaceUsed();
if (cursorAtThisRow) justToCursor = true;
} else {
for (int i = 0; i < oldLine.getSpaceUsed(); i++)
// NEWLY INTRODUCED BUG! Should not index oldLine.mStyle with char indices
if (oldLine.mText[i] != ' '/* || oldLine.mStyle[i] != currentStyle */) lastNonSpaceIndex = i + 1;
}
int lastNonSpaceIndex = 0;
boolean justToCursor = false;
if (cursorAtThisRow || oldLine.mLineWrap) {
// Take the whole line, either because of cursor on it, or if line wrapping.
lastNonSpaceIndex = oldLine.getSpaceUsed();
if (cursorAtThisRow) justToCursor = true;
} else {
for (int i = 0; i < oldLine.getSpaceUsed(); i++)
// NEWLY INTRODUCED BUG! Should not index oldLine.mStyle with char indices
if (oldLine.mText[i] != ' '/* || oldLine.mStyle[i] != currentStyle */)
lastNonSpaceIndex = i + 1;
}
int currentOldCol = 0;
int styleAtCol = 0;
for (int i = 0; i < lastNonSpaceIndex; i++) {
// Note that looping over java character, not cells.
char c = oldLine.mText[i];
int codePoint = (Character.isHighSurrogate(c)) ? Character.toCodePoint(c, oldLine.mText[++i]) : c;
int displayWidth = WcWidth.width(codePoint);
// Use the last style if this is a zero-width character:
if (displayWidth > 0) styleAtCol = oldLine.getStyle(currentOldCol);
int currentOldCol = 0;
int styleAtCol = 0;
for (int i = 0; i < lastNonSpaceIndex; i++) {
// Note that looping over java character, not cells.
char c = oldLine.mText[i];
int codePoint = (Character.isHighSurrogate(c)) ? Character.toCodePoint(c, oldLine.mText[++i]) : c;
int displayWidth = WcWidth.width(codePoint);
// Use the last style if this is a zero-width character:
if (displayWidth > 0) styleAtCol = oldLine.getStyle(currentOldCol);
// Line wrap as necessary:
if (currentOutputExternalColumn + displayWidth > mColumns) {
setLineWrap(currentOutputExternalRow);
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
// Line wrap as necessary:
if (currentOutputExternalColumn + displayWidth > mColumns) {
setLineWrap(currentOutputExternalRow);
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
int offsetDueToCombiningChar = ((displayWidth <= 0 && currentOutputExternalColumn > 0) ? 1 : 0);
int outputColumn = currentOutputExternalColumn - offsetDueToCombiningChar;
setChar(outputColumn, currentOutputExternalRow, codePoint, styleAtCol);
int offsetDueToCombiningChar = ((displayWidth <= 0 && currentOutputExternalColumn > 0) ? 1 : 0);
int outputColumn = currentOutputExternalColumn - offsetDueToCombiningChar;
setChar(outputColumn, currentOutputExternalRow, codePoint, styleAtCol);
if (displayWidth > 0) {
if (oldCursorRow == externalOldRow && oldCursorColumn == currentOldCol) {
newCursorColumn = currentOutputExternalColumn;
newCursorRow = currentOutputExternalRow;
newCursorPlaced = true;
}
currentOldCol += displayWidth;
currentOutputExternalColumn += displayWidth;
if (justToCursor && newCursorPlaced) break;
}
}
// Old row has been copied. Check if we need to insert newline if old line was not wrapping:
if (externalOldRow != (oldScreenRows - 1) && !oldLine.mLineWrap) {
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
}
if (displayWidth > 0) {
if (oldCursorRow == externalOldRow && oldCursorColumn == currentOldCol) {
newCursorColumn = currentOutputExternalColumn;
newCursorRow = currentOutputExternalRow;
newCursorPlaced = true;
}
currentOldCol += displayWidth;
currentOutputExternalColumn += displayWidth;
if (justToCursor && newCursorPlaced) break;
}
}
// Old row has been copied. Check if we need to insert newline if old line was not wrapping:
if (externalOldRow != (oldScreenRows - 1) && !oldLine.mLineWrap) {
if (currentOutputExternalRow == mScreenRows - 1) {
if (newCursorPlaced) newCursorRow--;
scrollDownOneLine(0, mScreenRows, currentStyle);
} else {
currentOutputExternalRow++;
}
currentOutputExternalColumn = 0;
}
}
cursor[0] = newCursorColumn;
cursor[1] = newCursorRow;
}
cursor[0] = newCursorColumn;
cursor[1] = newCursorRow;
}
// Handle cursor scrolling off screen:
if (cursor[0] < 0 || cursor[1] < 0) cursor[0] = cursor[1] = 0;
}
// Handle cursor scrolling off screen:
if (cursor[0] < 0 || cursor[1] < 0) cursor[0] = cursor[1] = 0;
}
/**
* Block copy lines and associated metadata from one location to another in the circular buffer, taking wraparound
* into account.
*
* @param srcInternal
* The first line to be copied.
* @param len
* The number of lines to be copied.
*/
private void blockCopyLinesDown(int srcInternal, int len) {
if (len == 0) return;
int totalRows = mTotalRows;
/**
* Block copy lines and associated metadata from one location to another in the circular buffer, taking wraparound
* into account.
*
* @param srcInternal The first line to be copied.
* @param len The number of lines to be copied.
*/
private void blockCopyLinesDown(int srcInternal, int len) {
if (len == 0) return;
int totalRows = mTotalRows;
int start = len - 1;
// Save away line to be overwritten:
TerminalRow lineToBeOverWritten = mLines[(srcInternal + start + 1) % totalRows];
// Do the copy from bottom to top.
for (int i = start; i >= 0; --i)
mLines[(srcInternal + i + 1) % totalRows] = mLines[(srcInternal + i) % totalRows];
// Put back overwritten line, now above the block:
mLines[(srcInternal) % totalRows] = lineToBeOverWritten;
}
int start = len - 1;
// Save away line to be overwritten:
TerminalRow lineToBeOverWritten = mLines[(srcInternal + start + 1) % totalRows];
// Do the copy from bottom to top.
for (int i = start; i >= 0; --i)
mLines[(srcInternal + i + 1) % totalRows] = mLines[(srcInternal + i) % totalRows];
// Put back overwritten line, now above the block:
mLines[(srcInternal) % totalRows] = lineToBeOverWritten;
}
/**
* Scroll the screen down one line. To scroll the whole screen of a 24 line screen, the arguments would be (0, 24).
*
* @param topMargin
* First line that is scrolled.
* @param bottomMargin
* One line after the last line that is scrolled.
* @param style
* the style for the newly exposed line.
*/
public void scrollDownOneLine(int topMargin, int bottomMargin, int style) {
if (topMargin > bottomMargin - 1 || topMargin < 0 || bottomMargin > mScreenRows)
throw new IllegalArgumentException("topMargin=" + topMargin + ", bottomMargin=" + bottomMargin + ", mScreenRows=" + mScreenRows);
/**
* Scroll the screen down one line. To scroll the whole screen of a 24 line screen, the arguments would be (0, 24).
*
* @param topMargin First line that is scrolled.
* @param bottomMargin One line after the last line that is scrolled.
* @param style the style for the newly exposed line.
*/
public void scrollDownOneLine(int topMargin, int bottomMargin, int style) {
if (topMargin > bottomMargin - 1 || topMargin < 0 || bottomMargin > mScreenRows)
throw new IllegalArgumentException("topMargin=" + topMargin + ", bottomMargin=" + bottomMargin + ", mScreenRows=" + mScreenRows);
// Copy the fixed topMargin lines one line down so that they remain on screen in same position:
blockCopyLinesDown(mScreenFirstRow, topMargin);
// Copy the fixed mScreenRows-bottomMargin lines one line down so that they remain on screen in same
// position:
blockCopyLinesDown(externalToInternalRow(bottomMargin), mScreenRows - bottomMargin);
// Copy the fixed topMargin lines one line down so that they remain on screen in same position:
blockCopyLinesDown(mScreenFirstRow, topMargin);
// Copy the fixed mScreenRows-bottomMargin lines one line down so that they remain on screen in same
// position:
blockCopyLinesDown(externalToInternalRow(bottomMargin), mScreenRows - bottomMargin);
// Update the screen location in the ring buffer:
mScreenFirstRow = (mScreenFirstRow + 1) % mTotalRows;
// Note that the history has grown if not already full:
if (mActiveTranscriptRows < mTotalRows - mScreenRows) mActiveTranscriptRows++;
// Update the screen location in the ring buffer:
mScreenFirstRow = (mScreenFirstRow + 1) % mTotalRows;
// Note that the history has grown if not already full:
if (mActiveTranscriptRows < mTotalRows - mScreenRows) mActiveTranscriptRows++;
// Blank the newly revealed line above the bottom margin:
int blankRow = externalToInternalRow(bottomMargin - 1);
if (mLines[blankRow] == null) {
mLines[blankRow] = new TerminalRow(mColumns, style);
} else {
mLines[blankRow].clear(style);
}
}
// Blank the newly revealed line above the bottom margin:
int blankRow = externalToInternalRow(bottomMargin - 1);
if (mLines[blankRow] == null) {
mLines[blankRow] = new TerminalRow(mColumns, style);
} else {
mLines[blankRow].clear(style);
}
}
/**
* Block copy characters from one position in the screen to another. The two positions can overlap. All characters
* of the source and destination must be within the bounds of the screen, or else an InvalidParameterException will
* be thrown.
*
* @param sx
* source X coordinate
* @param sy
* source Y coordinate
* @param w
* width
* @param h
* height
* @param dx
* destination X coordinate
* @param dy
* destination Y coordinate
*/
public void blockCopy(int sx, int sy, int w, int h, int dx, int dy) {
if (w == 0) return;
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows || dx < 0 || dx + w > mColumns || dy < 0 || dy + h > mScreenRows)
throw new IllegalArgumentException();
boolean copyingUp = sy > dy;
for (int y = 0; y < h; y++) {
int y2 = copyingUp ? y : (h - (y + 1));
TerminalRow sourceRow = allocateFullLineIfNecessary(externalToInternalRow(sy + y2));
allocateFullLineIfNecessary(externalToInternalRow(dy + y2)).copyInterval(sourceRow, sx, sx + w, dx);
}
}
/**
* Block copy characters from one position in the screen to another. The two positions can overlap. All characters
* of the source and destination must be within the bounds of the screen, or else an InvalidParameterException will
* be thrown.
*
* @param sx source X coordinate
* @param sy source Y coordinate
* @param w width
* @param h height
* @param dx destination X coordinate
* @param dy destination Y coordinate
*/
public void blockCopy(int sx, int sy, int w, int h, int dx, int dy) {
if (w == 0) return;
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows || dx < 0 || dx + w > mColumns || dy < 0 || dy + h > mScreenRows)
throw new IllegalArgumentException();
boolean copyingUp = sy > dy;
for (int y = 0; y < h; y++) {
int y2 = copyingUp ? y : (h - (y + 1));
TerminalRow sourceRow = allocateFullLineIfNecessary(externalToInternalRow(sy + y2));
allocateFullLineIfNecessary(externalToInternalRow(dy + y2)).copyInterval(sourceRow, sx, sx + w, dx);
}
}
/**
* Block set characters. All characters must be within the bounds of the screen, or else and
* InvalidParemeterException will be thrown. Typically this is called with a "val" argument of 32 to clear a block
* of characters.
*/
public void blockSet(int sx, int sy, int w, int h, int val, int style) {
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows) {
throw new IllegalArgumentException(
"Illegal arguments! blockSet(" + sx + ", " + sy + ", " + w + ", " + h + ", " + val + ", " + mColumns + ", " + mScreenRows + ")");
}
for (int y = 0; y < h; y++)
for (int x = 0; x < w; x++)
setChar(sx + x, sy + y, val, style);
}
/**
* Block set characters. All characters must be within the bounds of the screen, or else and
* InvalidParemeterException will be thrown. Typically this is called with a "val" argument of 32 to clear a block
* of characters.
*/
public void blockSet(int sx, int sy, int w, int h, int val, int style) {
if (sx < 0 || sx + w > mColumns || sy < 0 || sy + h > mScreenRows) {
throw new IllegalArgumentException(
"Illegal arguments! blockSet(" + sx + ", " + sy + ", " + w + ", " + h + ", " + val + ", " + mColumns + ", " + mScreenRows + ")");
}
for (int y = 0; y < h; y++)
for (int x = 0; x < w; x++)
setChar(sx + x, sy + y, val, style);
}
public TerminalRow allocateFullLineIfNecessary(int row) {
return (mLines[row] == null) ? (mLines[row] = new TerminalRow(mColumns, 0)) : mLines[row];
}
public TerminalRow allocateFullLineIfNecessary(int row) {
return (mLines[row] == null) ? (mLines[row] = new TerminalRow(mColumns, 0)) : mLines[row];
}
public void setChar(int column, int row, int codePoint, int style) {
if (row >= mScreenRows || column >= mColumns)
throw new IllegalArgumentException("row=" + row + ", column=" + column + ", mScreenRows=" + mScreenRows + ", mColumns=" + mColumns);
row = externalToInternalRow(row);
allocateFullLineIfNecessary(row).setChar(column, codePoint, style);
}
public void setChar(int column, int row, int codePoint, int style) {
if (row >= mScreenRows || column >= mColumns)
throw new IllegalArgumentException("row=" + row + ", column=" + column + ", mScreenRows=" + mScreenRows + ", mColumns=" + mColumns);
row = externalToInternalRow(row);
allocateFullLineIfNecessary(row).setChar(column, codePoint, style);
}
public int getStyleAt(int externalRow, int column) {
return allocateFullLineIfNecessary(externalToInternalRow(externalRow)).getStyle(column);
}
public int getStyleAt(int externalRow, int column) {
return allocateFullLineIfNecessary(externalToInternalRow(externalRow)).getStyle(column);
}
/** Support for http://vt100.net/docs/vt510-rm/DECCARA and http://vt100.net/docs/vt510-rm/DECCARA */
public void setOrClearEffect(int bits, boolean setOrClear, boolean reverse, boolean rectangular, int leftMargin, int rightMargin, int top, int left,
int bottom, int right) {
for (int y = top; y < bottom; y++) {
TerminalRow line = mLines[externalToInternalRow(y)];
int startOfLine = (rectangular || y == top) ? left : leftMargin;
int endOfLine = (rectangular || y + 1 == bottom) ? right : rightMargin;
for (int x = startOfLine; x < endOfLine; x++) {
int currentStyle = line.getStyle(x);
int foreColor = TextStyle.decodeForeColor(currentStyle);
int backColor = TextStyle.decodeBackColor(currentStyle);
int effect = TextStyle.decodeEffect(currentStyle);
if (reverse) {
// Clear out the bits to reverse and add them back in reversed:
effect = (effect & ~bits) | (bits & ~effect);
} else if (setOrClear) {
effect |= bits;
} else {
effect &= ~bits;
}
line.mStyle[x] = TextStyle.encode(foreColor, backColor, effect);
}
}
}
/** Support for http://vt100.net/docs/vt510-rm/DECCARA and http://vt100.net/docs/vt510-rm/DECCARA */
public void setOrClearEffect(int bits, boolean setOrClear, boolean reverse, boolean rectangular, int leftMargin, int rightMargin, int top, int left,
int bottom, int right) {
for (int y = top; y < bottom; y++) {
TerminalRow line = mLines[externalToInternalRow(y)];
int startOfLine = (rectangular || y == top) ? left : leftMargin;
int endOfLine = (rectangular || y + 1 == bottom) ? right : rightMargin;
for (int x = startOfLine; x < endOfLine; x++) {
int currentStyle = line.getStyle(x);
int foreColor = TextStyle.decodeForeColor(currentStyle);
int backColor = TextStyle.decodeBackColor(currentStyle);
int effect = TextStyle.decodeEffect(currentStyle);
if (reverse) {
// Clear out the bits to reverse and add them back in reversed:
effect = (effect & ~bits) | (bits & ~effect);
} else if (setOrClear) {
effect |= bits;
} else {
effect &= ~bits;
}
line.mStyle[x] = TextStyle.encode(foreColor, backColor, effect);
}
}
}
}

157
app/src/main/java/com/termux/terminal/TerminalColorScheme.java
View File

@@ -6,97 +6,98 @@ import java.util.Properties;
/**
* Color scheme for a terminal with default colors, which may be overridden (and then reset) from the shell using
* Operating System Control (OSC) sequences.
*
*
* @see TerminalColors
*/
public final class TerminalColorScheme {
/** http://upload.wikimedia.org/wikipedia/en/1/15/Xterm_256color_chart.svg, but with blue color brighter. */
private static final int[] DEFAULT_COLORSCHEME = {
// 16 original colors. First 8 are dim.
0xff000000, // black
0xffcd0000, // dim red
0xff00cd00, // dim green
0xffcdcd00, // dim yellow
0xff6495ed, // dim blue
0xffcd00cd, // dim magenta
0xff00cdcd, // dim cyan
0xffe5e5e5, // dim white
// Second 8 are bright:
0xff7f7f7f, // medium grey
0xffff0000, // bright red
0xff00ff00, // bright green
0xffffff00, // bright yellow
0xff5c5cff, // light blue
0xffff00ff, // bright magenta
0xff00ffff, // bright cyan
0xffffffff, // bright white
/** http://upload.wikimedia.org/wikipedia/en/1/15/Xterm_256color_chart.svg, but with blue color brighter. */
private static final int[] DEFAULT_COLORSCHEME = {
// 16 original colors. First 8 are dim.
0xff000000, // black
0xffcd0000, // dim red
0xff00cd00, // dim green
0xffcdcd00, // dim yellow
0xff6495ed, // dim blue
0xffcd00cd, // dim magenta
0xff00cdcd, // dim cyan
0xffe5e5e5, // dim white
// Second 8 are bright:
0xff7f7f7f, // medium grey
0xffff0000, // bright red
0xff00ff00, // bright green
0xffffff00, // bright yellow
0xff5c5cff, // light blue
0xffff00ff, // bright magenta
0xff00ffff, // bright cyan
0xffffffff, // bright white
// 216 color cube, six shades of each color:
0xff000000, 0xff00005f, 0xff000087, 0xff0000af, 0xff0000d7, 0xff0000ff, 0xff005f00, 0xff005f5f, 0xff005f87, 0xff005faf, 0xff005fd7, 0xff005fff,
0xff008700, 0xff00875f, 0xff008787, 0xff0087af, 0xff0087d7, 0xff0087ff, 0xff00af00, 0xff00af5f, 0xff00af87, 0xff00afaf, 0xff00afd7, 0xff00afff,
0xff00d700, 0xff00d75f, 0xff00d787, 0xff00d7af, 0xff00d7d7, 0xff00d7ff, 0xff00ff00, 0xff00ff5f, 0xff00ff87, 0xff00ffaf, 0xff00ffd7, 0xff00ffff,
0xff5f0000, 0xff5f005f, 0xff5f0087, 0xff5f00af, 0xff5f00d7, 0xff5f00ff, 0xff5f5f00, 0xff5f5f5f, 0xff5f5f87, 0xff5f5faf, 0xff5f5fd7, 0xff5f5fff,
0xff5f8700, 0xff5f875f, 0xff5f8787, 0xff5f87af, 0xff5f87d7, 0xff5f87ff, 0xff5faf00, 0xff5faf5f, 0xff5faf87, 0xff5fafaf, 0xff5fafd7, 0xff5fafff,
0xff5fd700, 0xff5fd75f, 0xff5fd787, 0xff5fd7af, 0xff5fd7d7, 0xff5fd7ff, 0xff5fff00, 0xff5fff5f, 0xff5fff87, 0xff5fffaf, 0xff5fffd7, 0xff5fffff,
0xff870000, 0xff87005f, 0xff870087, 0xff8700af, 0xff8700d7, 0xff8700ff, 0xff875f00, 0xff875f5f, 0xff875f87, 0xff875faf, 0xff875fd7, 0xff875fff,
0xff878700, 0xff87875f, 0xff878787, 0xff8787af, 0xff8787d7, 0xff8787ff, 0xff87af00, 0xff87af5f, 0xff87af87, 0xff87afaf, 0xff87afd7, 0xff87afff,
0xff87d700, 0xff87d75f, 0xff87d787, 0xff87d7af, 0xff87d7d7, 0xff87d7ff, 0xff87ff00, 0xff87ff5f, 0xff87ff87, 0xff87ffaf, 0xff87ffd7, 0xff87ffff,
0xffaf0000, 0xffaf005f, 0xffaf0087, 0xffaf00af, 0xffaf00d7, 0xffaf00ff, 0xffaf5f00, 0xffaf5f5f, 0xffaf5f87, 0xffaf5faf, 0xffaf5fd7, 0xffaf5fff,
0xffaf8700, 0xffaf875f, 0xffaf8787, 0xffaf87af, 0xffaf87d7, 0xffaf87ff, 0xffafaf00, 0xffafaf5f, 0xffafaf87, 0xffafafaf, 0xffafafd7, 0xffafafff,
0xffafd700, 0xffafd75f, 0xffafd787, 0xffafd7af, 0xffafd7d7, 0xffafd7ff, 0xffafff00, 0xffafff5f, 0xffafff87, 0xffafffaf, 0xffafffd7, 0xffafffff,
0xffd70000, 0xffd7005f, 0xffd70087, 0xffd700af, 0xffd700d7, 0xffd700ff, 0xffd75f00, 0xffd75f5f, 0xffd75f87, 0xffd75faf, 0xffd75fd7, 0xffd75fff,
0xffd78700, 0xffd7875f, 0xffd78787, 0xffd787af, 0xffd787d7, 0xffd787ff, 0xffd7af00, 0xffd7af5f, 0xffd7af87, 0xffd7afaf, 0xffd7afd7, 0xffd7afff,
0xffd7d700, 0xffd7d75f, 0xffd7d787, 0xffd7d7af, 0xffd7d7d7, 0xffd7d7ff, 0xffd7ff00, 0xffd7ff5f, 0xffd7ff87, 0xffd7ffaf, 0xffd7ffd7, 0xffd7ffff,
0xffff0000, 0xffff005f, 0xffff0087, 0xffff00af, 0xffff00d7, 0xffff00ff, 0xffff5f00, 0xffff5f5f, 0xffff5f87, 0xffff5faf, 0xffff5fd7, 0xffff5fff,
0xffff8700, 0xffff875f, 0xffff8787, 0xffff87af, 0xffff87d7, 0xffff87ff, 0xffffaf00, 0xffffaf5f, 0xffffaf87, 0xffffafaf, 0xffffafd7, 0xffffafff,
0xffffd700, 0xffffd75f, 0xffffd787, 0xffffd7af, 0xffffd7d7, 0xffffd7ff, 0xffffff00, 0xffffff5f, 0xffffff87, 0xffffffaf, 0xffffffd7, 0xffffffff,
// 216 color cube, six shades of each color:
0xff000000, 0xff00005f, 0xff000087, 0xff0000af, 0xff0000d7, 0xff0000ff, 0xff005f00, 0xff005f5f, 0xff005f87, 0xff005faf, 0xff005fd7, 0xff005fff,
0xff008700, 0xff00875f, 0xff008787, 0xff0087af, 0xff0087d7, 0xff0087ff, 0xff00af00, 0xff00af5f, 0xff00af87, 0xff00afaf, 0xff00afd7, 0xff00afff,
0xff00d700, 0xff00d75f, 0xff00d787, 0xff00d7af, 0xff00d7d7, 0xff00d7ff, 0xff00ff00, 0xff00ff5f, 0xff00ff87, 0xff00ffaf, 0xff00ffd7, 0xff00ffff,
0xff5f0000, 0xff5f005f, 0xff5f0087, 0xff5f00af, 0xff5f00d7, 0xff5f00ff, 0xff5f5f00, 0xff5f5f5f, 0xff5f5f87, 0xff5f5faf, 0xff5f5fd7, 0xff5f5fff,
0xff5f8700, 0xff5f875f, 0xff5f8787, 0xff5f87af, 0xff5f87d7, 0xff5f87ff, 0xff5faf00, 0xff5faf5f, 0xff5faf87, 0xff5fafaf, 0xff5fafd7, 0xff5fafff,
0xff5fd700, 0xff5fd75f, 0xff5fd787, 0xff5fd7af, 0xff5fd7d7, 0xff5fd7ff, 0xff5fff00, 0xff5fff5f, 0xff5fff87, 0xff5fffaf, 0xff5fffd7, 0xff5fffff,
0xff870000, 0xff87005f, 0xff870087, 0xff8700af, 0xff8700d7, 0xff8700ff, 0xff875f00, 0xff875f5f, 0xff875f87, 0xff875faf, 0xff875fd7, 0xff875fff,
0xff878700, 0xff87875f, 0xff878787, 0xff8787af, 0xff8787d7, 0xff8787ff, 0xff87af00, 0xff87af5f, 0xff87af87, 0xff87afaf, 0xff87afd7, 0xff87afff,
0xff87d700, 0xff87d75f, 0xff87d787, 0xff87d7af, 0xff87d7d7, 0xff87d7ff, 0xff87ff00, 0xff87ff5f, 0xff87ff87, 0xff87ffaf, 0xff87ffd7, 0xff87ffff,
0xffaf0000, 0xffaf005f, 0xffaf0087, 0xffaf00af, 0xffaf00d7, 0xffaf00ff, 0xffaf5f00, 0xffaf5f5f, 0xffaf5f87, 0xffaf5faf, 0xffaf5fd7, 0xffaf5fff,
0xffaf8700, 0xffaf875f, 0xffaf8787, 0xffaf87af, 0xffaf87d7, 0xffaf87ff, 0xffafaf00, 0xffafaf5f, 0xffafaf87, 0xffafafaf, 0xffafafd7, 0xffafafff,
0xffafd700, 0xffafd75f, 0xffafd787, 0xffafd7af, 0xffafd7d7, 0xffafd7ff, 0xffafff00, 0xffafff5f, 0xffafff87, 0xffafffaf, 0xffafffd7, 0xffafffff,
0xffd70000, 0xffd7005f, 0xffd70087, 0xffd700af, 0xffd700d7, 0xffd700ff, 0xffd75f00, 0xffd75f5f, 0xffd75f87, 0xffd75faf, 0xffd75fd7, 0xffd75fff,
0xffd78700, 0xffd7875f, 0xffd78787, 0xffd787af, 0xffd787d7, 0xffd787ff, 0xffd7af00, 0xffd7af5f, 0xffd7af87, 0xffd7afaf, 0xffd7afd7, 0xffd7afff,
0xffd7d700, 0xffd7d75f, 0xffd7d787, 0xffd7d7af, 0xffd7d7d7, 0xffd7d7ff, 0xffd7ff00, 0xffd7ff5f, 0xffd7ff87, 0xffd7ffaf, 0xffd7ffd7, 0xffd7ffff,
0xffff0000, 0xffff005f, 0xffff0087, 0xffff00af, 0xffff00d7, 0xffff00ff, 0xffff5f00, 0xffff5f5f, 0xffff5f87, 0xffff5faf, 0xffff5fd7, 0xffff5fff,
0xffff8700, 0xffff875f, 0xffff8787, 0xffff87af, 0xffff87d7, 0xffff87ff, 0xffffaf00, 0xffffaf5f, 0xffffaf87, 0xffffafaf, 0xffffafd7, 0xffffafff,
0xffffd700, 0xffffd75f, 0xffffd787, 0xffffd7af, 0xffffd7d7, 0xffffd7ff, 0xffffff00, 0xffffff5f, 0xffffff87, 0xffffffaf, 0xffffffd7, 0xffffffff,
// 24 grey scale ramp:
0xff080808, 0xff121212, 0xff1c1c1c, 0xff262626, 0xff303030, 0xff3a3a3a, 0xff444444, 0xff4e4e4e, 0xff585858, 0xff626262, 0xff6c6c6c, 0xff767676,
0xff808080, 0xff8a8a8a, 0xff949494, 0xff9e9e9e, 0xffa8a8a8, 0xffb2b2b2, 0xffbcbcbc, 0xffc6c6c6, 0xffd0d0d0, 0xffdadada, 0xffe4e4e4, 0xffeeeeee,
// 24 grey scale ramp:
0xff080808, 0xff121212, 0xff1c1c1c, 0xff262626, 0xff303030, 0xff3a3a3a, 0xff444444, 0xff4e4e4e, 0xff585858, 0xff626262, 0xff6c6c6c, 0xff767676,
0xff808080, 0xff8a8a8a, 0xff949494, 0xff9e9e9e, 0xffa8a8a8, 0xffb2b2b2, 0xffbcbcbc, 0xffc6c6c6, 0xffd0d0d0, 0xffdadada, 0xffe4e4e4, 0xffeeeeee,
// COLOR_INDEX_DEFAULT_FOREGROUND, COLOR_INDEX_DEFAULT_BACKGROUND and COLOR_INDEX_DEFAULT_CURSOR:
0xffffffff, 0xff000000, 0xffffffff };
// COLOR_INDEX_DEFAULT_FOREGROUND, COLOR_INDEX_DEFAULT_BACKGROUND and COLOR_INDEX_DEFAULT_CURSOR:
0xffffffff, 0xff000000, 0xffffffff};
public final int[] mDefaultColors = new int[TextStyle.NUM_INDEXED_COLORS];
public final int[] mDefaultColors = new int[TextStyle.NUM_INDEXED_COLORS];
public TerminalColorScheme() {
reset();
}
public TerminalColorScheme() {
reset();
}
private void reset() {
System.arraycopy(DEFAULT_COLORSCHEME, 0, mDefaultColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
private void reset() {
System.arraycopy(DEFAULT_COLORSCHEME, 0, mDefaultColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
public void updateWith(Properties props) {
reset();
for (Map.Entry<Object, Object> entries : props.entrySet()) {
String key = (String) entries.getKey();
String value = (String) entries.getValue();
int colorIndex;
public void updateWith(Properties props) {
reset();
for (Map.Entry<Object, Object> entries : props.entrySet()) {
String key = (String) entries.getKey();
String value = (String) entries.getValue();
int colorIndex;
if (key.equals("foreground")) {
colorIndex = TextStyle.COLOR_INDEX_FOREGROUND;
} else if (key.equals("background")) {
colorIndex = TextStyle.COLOR_INDEX_BACKGROUND;
} else if (key.equals("cursor")) {
colorIndex = TextStyle.COLOR_INDEX_CURSOR;
} else if (key.startsWith("color")) {
try {
colorIndex = Integer.parseInt(key.substring(5));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
} else {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
if (key.equals("foreground")) {
colorIndex = TextStyle.COLOR_INDEX_FOREGROUND;
} else if (key.equals("background")) {
colorIndex = TextStyle.COLOR_INDEX_BACKGROUND;
} else if (key.equals("cursor")) {
colorIndex = TextStyle.COLOR_INDEX_CURSOR;
} else if (key.startsWith("color")) {
try {
colorIndex = Integer.parseInt(key.substring(5));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
} else {
throw new IllegalArgumentException("Invalid property: '" + key + "'");
}
int colorValue = TerminalColors.parse(value);
if (colorValue == 0) throw new IllegalArgumentException("Property '" + key + "' has invalid color: '" + value + "'");
int colorValue = TerminalColors.parse(value);
if (colorValue == 0)
throw new IllegalArgumentException("Property '" + key + "' has invalid color: '" + value + "'");
mDefaultColors[colorIndex] = colorValue;
}
}
mDefaultColors[colorIndex] = colorValue;
}
}
}

122
app/src/main/java/com/termux/terminal/TerminalColors.java
View File

@@ -3,74 +3,74 @@ package com.termux.terminal;
/** Current terminal colors (if different from default). */
public final class TerminalColors {
/** Static data - a bit ugly but ok for now. */
public static final TerminalColorScheme COLOR_SCHEME = new TerminalColorScheme();
/** Static data - a bit ugly but ok for now. */
public static final TerminalColorScheme COLOR_SCHEME = new TerminalColorScheme();
/**
* The current terminal colors, which are normally set from the color theme, but may be set dynamically with the OSC
* 4 control sequence.
*/
public final int[] mCurrentColors = new int[TextStyle.NUM_INDEXED_COLORS];
/**
* The current terminal colors, which are normally set from the color theme, but may be set dynamically with the OSC
* 4 control sequence.
*/
public final int[] mCurrentColors = new int[TextStyle.NUM_INDEXED_COLORS];
/** Create a new instance with default colors from the theme. */
public TerminalColors() {
reset();
}
/** Create a new instance with default colors from the theme. */
public TerminalColors() {
reset();
}
/** Reset a particular indexed color with the default color from the color theme. */
public void reset(int index) {
mCurrentColors[index] = COLOR_SCHEME.mDefaultColors[index];
}
/** Reset a particular indexed color with the default color from the color theme. */
public void reset(int index) {
mCurrentColors[index] = COLOR_SCHEME.mDefaultColors[index];
}
/** Reset all indexed colors with the default color from the color theme. */
public void reset() {
System.arraycopy(COLOR_SCHEME.mDefaultColors, 0, mCurrentColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
/** Reset all indexed colors with the default color from the color theme. */
public void reset() {
System.arraycopy(COLOR_SCHEME.mDefaultColors, 0, mCurrentColors, 0, TextStyle.NUM_INDEXED_COLORS);
}
/**
* Parse color according to http://manpages.ubuntu.com/manpages/intrepid/man3/XQueryColor.3.html
*
* Highest bit is set if successful, so return value is 0xFF${R}${G}${B}. Return 0 if failed.
*/
static int parse(String c) {
try {
int skipInitial, skipBetween;
if (c.charAt(0) == '#') {
// #RGB, #RRGGBB, #RRRGGGBBB or #RRRRGGGGBBBB. Most significant bits.
skipInitial = 1;
skipBetween = 0;
} else if (c.startsWith("rgb:")) {
// rgb:<red>/<green>/<blue> where <red>, <green>, <blue> := h | hh | hhh | hhhh. Scaled.
skipInitial = 4;
skipBetween = 1;
} else {
return 0;
}
int charsForColors = c.length() - skipInitial - 2 * skipBetween;
if (charsForColors % 3 != 0) return 0; // Unequal lengths.
int componentLength = charsForColors / 3;
double mult = 255 / (Math.pow(2, componentLength * 4) - 1);
/**
* Parse color according to http://manpages.ubuntu.com/manpages/intrepid/man3/XQueryColor.3.html
* <p/>
* Highest bit is set if successful, so return value is 0xFF${R}${G}${B}. Return 0 if failed.
*/
static int parse(String c) {
try {
int skipInitial, skipBetween;
if (c.charAt(0) == '#') {
// #RGB, #RRGGBB, #RRRGGGBBB or #RRRRGGGGBBBB. Most significant bits.
skipInitial = 1;
skipBetween = 0;
} else if (c.startsWith("rgb:")) {
// rgb:<red>/<green>/<blue> where <red>, <green>, <blue> := h | hh | hhh | hhhh. Scaled.
skipInitial = 4;
skipBetween = 1;
} else {
return 0;
}
int charsForColors = c.length() - skipInitial - 2 * skipBetween;
if (charsForColors % 3 != 0) return 0; // Unequal lengths.
int componentLength = charsForColors / 3;
double mult = 255 / (Math.pow(2, componentLength * 4) - 1);
int currentPosition = skipInitial;
String rString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String gString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String bString = c.substring(currentPosition, currentPosition + componentLength);
int currentPosition = skipInitial;
String rString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String gString = c.substring(currentPosition, currentPosition + componentLength);
currentPosition += componentLength + skipBetween;
String bString = c.substring(currentPosition, currentPosition + componentLength);
int r = (int) (Integer.parseInt(rString, 16) * mult);
int g = (int) (Integer.parseInt(gString, 16) * mult);
int b = (int) (Integer.parseInt(bString, 16) * mult);
return 0xFF << 24 | r << 16 | g << 8 | b;
} catch (NumberFormatException | IndexOutOfBoundsException e) {
return 0;
}
}
int r = (int) (Integer.parseInt(rString, 16) * mult);
int g = (int) (Integer.parseInt(gString, 16) * mult);
int b = (int) (Integer.parseInt(bString, 16) * mult);
return 0xFF << 24 | r << 16 | g << 8 | b;
} catch (NumberFormatException | IndexOutOfBoundsException e) {
return 0;
}
}
/** Try parse a color from a text parameter and into a specified index. */
public void tryParseColor(int intoIndex, String textParameter) {
int c = parse(textParameter);
if (c != 0) mCurrentColors[intoIndex] = c;
}
/** Try parse a color from a text parameter and into a specified index. */
public void tryParseColor(int intoIndex, String textParameter) {
int c = parse(textParameter);
if (c != 0) mCurrentColors[intoIndex] = c;
}
}

4387
app/src/main/java/com/termux/terminal/TerminalEmulator.java
View File

File diff suppressed because it is too large Load Diff

26
app/src/main/java/com/termux/terminal/TerminalOutput.java
View File

@@ -5,23 +5,23 @@ import java.nio.charset.StandardCharsets;
/** A client which receives callbacks from events triggered by feeding input to a {@link TerminalEmulator}. */
public abstract class TerminalOutput {
/** Write a string using the UTF-8 encoding to the terminal client. */
public final void write(String data) {
byte[] bytes = data.getBytes(StandardCharsets.UTF_8);
write(bytes, 0, bytes.length);
}
/** Write a string using the UTF-8 encoding to the terminal client. */
public final void write(String data) {
byte[] bytes = data.getBytes(StandardCharsets.UTF_8);
write(bytes, 0, bytes.length);
}
/** Write bytes to the terminal client. */
public abstract void write(byte[] data, int offset, int count);
/** Write bytes to the terminal client. */
public abstract void write(byte[] data, int offset, int count);
/** Notify the terminal client that the terminal title has changed. */
public abstract void titleChanged(String oldTitle, String newTitle);
/** Notify the terminal client that the terminal title has changed. */
public abstract void titleChanged(String oldTitle, String newTitle);
/** Notify the terminal client that the terminal title has changed. */
public abstract void clipboardText(String text);
/** Notify the terminal client that the terminal title has changed. */
public abstract void clipboardText(String text);
/** Notify the terminal client that a bell character (ASCII 7, bell, BEL, \a, ^G)) has been received. */
public abstract void onBell();
/** Notify the terminal client that a bell character (ASCII 7, bell, BEL, \a, ^G)) has been received. */
public abstract void onBell();
public abstract void onColorsChanged();

394
app/src/main/java/com/termux/terminal/TerminalRow.java
View File

@@ -4,229 +4,229 @@ import java.util.Arrays;
/**
* A row in a terminal, composed of a fixed number of cells.
*
* <p/>
* The text in the row is stored in a char[] array, {@link #mText}, for quick access during rendering.
*/
public final class TerminalRow {
private static final float SPARE_CAPACITY_FACTOR = 1.5f;
private static final float SPARE_CAPACITY_FACTOR = 1.5f;
/** The number of columns in this terminal row. */
private final int mColumns;
/** The text filling this terminal row. */
public char[] mText;
/** The number of java char:s used in {@link #mText}. */
private short mSpaceUsed;
/** If this row has been line wrapped due to text output at the end of line. */
boolean mLineWrap;
/** The style bits of each cell in the row. See {@link TextStyle}. */
final int[] mStyle;
/** The number of columns in this terminal row. */
private final int mColumns;
/** The text filling this terminal row. */
public char[] mText;
/** The number of java char:s used in {@link #mText}. */
private short mSpaceUsed;
/** If this row has been line wrapped due to text output at the end of line. */
boolean mLineWrap;
/** The style bits of each cell in the row. See {@link TextStyle}. */
final int[] mStyle;
/** Construct a blank row (containing only whitespace, ' ') with a specified style. */
public TerminalRow(int columns, int style) {
mColumns = columns;
mText = new char[(int) (SPARE_CAPACITY_FACTOR * columns)];
mStyle = new int[columns];
clear(style);
}
/** Construct a blank row (containing only whitespace, ' ') with a specified style. */
public TerminalRow(int columns, int style) {
mColumns = columns;
mText = new char[(int) (SPARE_CAPACITY_FACTOR * columns)];
mStyle = new int[columns];
clear(style);
}
/** NOTE: The sourceX2 is exclusive. */
public void copyInterval(TerminalRow line, int sourceX1, int sourceX2, int destinationX) {
final int x1 = line.findStartOfColumn(sourceX1);
final int x2 = line.findStartOfColumn(sourceX2);
boolean startingFromSecondHalfOfWideChar = (sourceX1 > 0 && line.wideDisplayCharacterStartingAt(sourceX1 - 1));
final char[] sourceChars = (this == line) ? Arrays.copyOf(line.mText, line.mText.length) : line.mText;
int latestNonCombiningWidth = 0;
for (int i = x1; i < x2; i++) {
char sourceChar = sourceChars[i];
int codePoint = Character.isHighSurrogate(sourceChar) ? Character.toCodePoint(sourceChar, sourceChars[++i]) : sourceChar;
if (startingFromSecondHalfOfWideChar) {
// Just treat copying second half of wide char as copying whitespace.
codePoint = ' ';
startingFromSecondHalfOfWideChar = false;
}
int w = WcWidth.width(codePoint);
if (w > 0) {
destinationX += latestNonCombiningWidth;
sourceX1 += latestNonCombiningWidth;
latestNonCombiningWidth = w;
}
setChar(destinationX, codePoint, line.getStyle(sourceX1));
}
}
/** NOTE: The sourceX2 is exclusive. */
public void copyInterval(TerminalRow line, int sourceX1, int sourceX2, int destinationX) {
final int x1 = line.findStartOfColumn(sourceX1);
final int x2 = line.findStartOfColumn(sourceX2);
boolean startingFromSecondHalfOfWideChar = (sourceX1 > 0 && line.wideDisplayCharacterStartingAt(sourceX1 - 1));
final char[] sourceChars = (this == line) ? Arrays.copyOf(line.mText, line.mText.length) : line.mText;
int latestNonCombiningWidth = 0;
for (int i = x1; i < x2; i++) {
char sourceChar = sourceChars[i];
int codePoint = Character.isHighSurrogate(sourceChar) ? Character.toCodePoint(sourceChar, sourceChars[++i]) : sourceChar;
if (startingFromSecondHalfOfWideChar) {
// Just treat copying second half of wide char as copying whitespace.
codePoint = ' ';
startingFromSecondHalfOfWideChar = false;
}
int w = WcWidth.width(codePoint);
if (w > 0) {
destinationX += latestNonCombiningWidth;
sourceX1 += latestNonCombiningWidth;
latestNonCombiningWidth = w;
}
setChar(destinationX, codePoint, line.getStyle(sourceX1));
}
}
public int getSpaceUsed() {
return mSpaceUsed;
}
public int getSpaceUsed() {
return mSpaceUsed;
}
/** Note that the column may end of second half of wide character. */
public int findStartOfColumn(int column) {
if (column == mColumns) return getSpaceUsed();
/** Note that the column may end of second half of wide character. */
public int findStartOfColumn(int column) {
if (column == mColumns) return getSpaceUsed();
int currentColumn = 0;
int currentCharIndex = 0;
while (true) { // 0<2 1 < 2
int newCharIndex = currentCharIndex;
char c = mText[newCharIndex++]; // cci=1, cci=2
boolean isHigh = Character.isHighSurrogate(c);
int codePoint = isHigh ? Character.toCodePoint(c, mText[newCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint); // 1, 2
if (wcwidth > 0) {
currentColumn += wcwidth;
if (currentColumn == column) {
while (newCharIndex < mSpaceUsed) {
// Skip combining chars.
if (Character.isHighSurrogate(mText[newCharIndex])) {
if (WcWidth.width(Character.toCodePoint(mText[newCharIndex], mText[newCharIndex + 1])) <= 0) {
newCharIndex += 2;
} else {
break;
}
} else if (WcWidth.width(mText[newCharIndex]) <= 0) {
newCharIndex++;
} else {
break;
}
}
return newCharIndex;
} else if (currentColumn > column) {
// Wide column going past end.
return currentCharIndex;
}
}
currentCharIndex = newCharIndex;
}
}
int currentColumn = 0;
int currentCharIndex = 0;
while (true) { // 0<2 1 < 2
int newCharIndex = currentCharIndex;
char c = mText[newCharIndex++]; // cci=1, cci=2
boolean isHigh = Character.isHighSurrogate(c);
int codePoint = isHigh ? Character.toCodePoint(c, mText[newCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint); // 1, 2
if (wcwidth > 0) {
currentColumn += wcwidth;
if (currentColumn == column) {
while (newCharIndex < mSpaceUsed) {
// Skip combining chars.
if (Character.isHighSurrogate(mText[newCharIndex])) {
if (WcWidth.width(Character.toCodePoint(mText[newCharIndex], mText[newCharIndex + 1])) <= 0) {
newCharIndex += 2;
} else {
break;
}
} else if (WcWidth.width(mText[newCharIndex]) <= 0) {
newCharIndex++;
} else {
break;
}
}
return newCharIndex;
} else if (currentColumn > column) {
// Wide column going past end.
return currentCharIndex;
}
}
currentCharIndex = newCharIndex;
}
}
private boolean wideDisplayCharacterStartingAt(int column) {
for (int currentCharIndex = 0, currentColumn = 0; currentCharIndex < mSpaceUsed;) {
char c = mText[currentCharIndex++];
int codePoint = Character.isHighSurrogate(c) ? Character.toCodePoint(c, mText[currentCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint);
if (wcwidth > 0) {
if (currentColumn == column && wcwidth == 2) return true;
currentColumn += wcwidth;
if (currentColumn > column) return false;
}
}
return false;
}
private boolean wideDisplayCharacterStartingAt(int column) {
for (int currentCharIndex = 0, currentColumn = 0; currentCharIndex < mSpaceUsed; ) {
char c = mText[currentCharIndex++];
int codePoint = Character.isHighSurrogate(c) ? Character.toCodePoint(c, mText[currentCharIndex++]) : c;
int wcwidth = WcWidth.width(codePoint);
if (wcwidth > 0) {
if (currentColumn == column && wcwidth == 2) return true;
currentColumn += wcwidth;
if (currentColumn > column) return false;
}
}
return false;
}
public void clear(int style) {
Arrays.fill(mText, ' ');
Arrays.fill(mStyle, style);
mSpaceUsed = (short) mColumns;
}
public void clear(int style) {
Arrays.fill(mText, ' ');
Arrays.fill(mStyle, style);
mSpaceUsed = (short) mColumns;
}
// https://github.com/steven676/Android-Terminal-Emulator/commit/9a47042620bec87617f0b4f5d50568535668fe26
public void setChar(int columnToSet, int codePoint, int style) {
mStyle[columnToSet] = style;
// https://github.com/steven676/Android-Terminal-Emulator/commit/9a47042620bec87617f0b4f5d50568535668fe26
public void setChar(int columnToSet, int codePoint, int style) {
mStyle[columnToSet] = style;
final int newCodePointDisplayWidth = WcWidth.width(codePoint);
final boolean newIsCombining = newCodePointDisplayWidth <= 0;
final int newCodePointDisplayWidth = WcWidth.width(codePoint);
final boolean newIsCombining = newCodePointDisplayWidth <= 0;
boolean wasExtraColForWideChar = (columnToSet > 0) && wideDisplayCharacterStartingAt(columnToSet - 1);
boolean wasExtraColForWideChar = (columnToSet > 0) && wideDisplayCharacterStartingAt(columnToSet - 1);
if (newIsCombining) {
// When standing at second half of wide character and inserting combining:
if (wasExtraColForWideChar) columnToSet--;
} else {
// Check if we are overwriting the second half of a wide character starting at the previous column:
if (wasExtraColForWideChar) setChar(columnToSet - 1, ' ', style);
// Check if we are overwriting the first half of a wide character starting at the next column:
boolean overwritingWideCharInNextColumn = newCodePointDisplayWidth == 2 && wideDisplayCharacterStartingAt(columnToSet + 1);
if (overwritingWideCharInNextColumn) setChar(columnToSet + 1, ' ', style);
}
if (newIsCombining) {
// When standing at second half of wide character and inserting combining:
if (wasExtraColForWideChar) columnToSet--;
} else {
// Check if we are overwriting the second half of a wide character starting at the previous column:
if (wasExtraColForWideChar) setChar(columnToSet - 1, ' ', style);
// Check if we are overwriting the first half of a wide character starting at the next column:
boolean overwritingWideCharInNextColumn = newCodePointDisplayWidth == 2 && wideDisplayCharacterStartingAt(columnToSet + 1);
if (overwritingWideCharInNextColumn) setChar(columnToSet + 1, ' ', style);
}
char[] text = mText;
final int oldStartOfColumnIndex = findStartOfColumn(columnToSet);
final int oldCodePointDisplayWidth = WcWidth.width(text, oldStartOfColumnIndex);
char[] text = mText;
final int oldStartOfColumnIndex = findStartOfColumn(columnToSet);
final int oldCodePointDisplayWidth = WcWidth.width(text, oldStartOfColumnIndex);
// Get the number of elements in the mText array this column uses now
int oldCharactersUsedForColumn;
if (columnToSet + oldCodePointDisplayWidth < mColumns) {
oldCharactersUsedForColumn = findStartOfColumn(columnToSet + oldCodePointDisplayWidth) - oldStartOfColumnIndex;
} else {
// Last character.
oldCharactersUsedForColumn = mSpaceUsed - oldStartOfColumnIndex;
}
// Get the number of elements in the mText array this column uses now
int oldCharactersUsedForColumn;
if (columnToSet + oldCodePointDisplayWidth < mColumns) {
oldCharactersUsedForColumn = findStartOfColumn(columnToSet + oldCodePointDisplayWidth) - oldStartOfColumnIndex;
} else {
// Last character.
oldCharactersUsedForColumn = mSpaceUsed - oldStartOfColumnIndex;
}
// Find how many chars this column will need
int newCharactersUsedForColumn = Character.charCount(codePoint);
if (newIsCombining) {
// Combining characters are added to the contents of the column instead of overwriting them, so that they
// modify the existing contents.
// FIXME: Put a limit of combining characters.
// FIXME: Unassigned characters also get width=0.
newCharactersUsedForColumn += oldCharactersUsedForColumn;
}
// Find how many chars this column will need
int newCharactersUsedForColumn = Character.charCount(codePoint);
if (newIsCombining) {
// Combining characters are added to the contents of the column instead of overwriting them, so that they
// modify the existing contents.
// FIXME: Put a limit of combining characters.
// FIXME: Unassigned characters also get width=0.
newCharactersUsedForColumn += oldCharactersUsedForColumn;
}
int oldNextColumnIndex = oldStartOfColumnIndex + oldCharactersUsedForColumn;
int newNextColumnIndex = oldStartOfColumnIndex + newCharactersUsedForColumn;
int oldNextColumnIndex = oldStartOfColumnIndex + oldCharactersUsedForColumn;
int newNextColumnIndex = oldStartOfColumnIndex + newCharactersUsedForColumn;
final int javaCharDifference = newCharactersUsedForColumn - oldCharactersUsedForColumn;
if (javaCharDifference > 0) {
// Shift the rest of the line right.
int oldCharactersAfterColumn = mSpaceUsed - oldNextColumnIndex;
if (mSpaceUsed + javaCharDifference > text.length) {
// We need to grow the array
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, oldStartOfColumnIndex + oldCharactersUsedForColumn);
System.arraycopy(text, oldNextColumnIndex, newText, newNextColumnIndex, oldCharactersAfterColumn);
mText = text = newText;
} else {
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, oldCharactersAfterColumn);
}
} else if (javaCharDifference < 0) {
// Shift the rest of the line left.
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - oldNextColumnIndex);
}
mSpaceUsed += javaCharDifference;
final int javaCharDifference = newCharactersUsedForColumn - oldCharactersUsedForColumn;
if (javaCharDifference > 0) {
// Shift the rest of the line right.
int oldCharactersAfterColumn = mSpaceUsed - oldNextColumnIndex;
if (mSpaceUsed + javaCharDifference > text.length) {
// We need to grow the array
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, oldStartOfColumnIndex + oldCharactersUsedForColumn);
System.arraycopy(text, oldNextColumnIndex, newText, newNextColumnIndex, oldCharactersAfterColumn);
mText = text = newText;
} else {
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, oldCharactersAfterColumn);
}
} else if (javaCharDifference < 0) {
// Shift the rest of the line left.
System.arraycopy(text, oldNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - oldNextColumnIndex);
}
mSpaceUsed += javaCharDifference;
// Store char. A combining character is stored at the end of the existing contents so that it modifies them:
//noinspection ResultOfMethodCallIgnored - since we already now how many java chars is used.
Character.toChars(codePoint, text, oldStartOfColumnIndex + (newIsCombining ? oldCharactersUsedForColumn : 0));
// Store char. A combining character is stored at the end of the existing contents so that it modifies them:
//noinspection ResultOfMethodCallIgnored - since we already now how many java chars is used.
Character.toChars(codePoint, text, oldStartOfColumnIndex + (newIsCombining ? oldCharactersUsedForColumn : 0));
if (oldCodePointDisplayWidth == 2 && newCodePointDisplayWidth == 1) {
// Replace second half of wide char with a space. Which mean that we actually add a ' ' java character.
if (mSpaceUsed + 1 > text.length) {
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, newNextColumnIndex);
System.arraycopy(text, newNextColumnIndex, newText, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
mText = text = newText;
} else {
System.arraycopy(text, newNextColumnIndex, text, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
}
text[newNextColumnIndex] = ' ';
if (oldCodePointDisplayWidth == 2 && newCodePointDisplayWidth == 1) {
// Replace second half of wide char with a space. Which mean that we actually add a ' ' java character.
if (mSpaceUsed + 1 > text.length) {
char[] newText = new char[text.length + mColumns];
System.arraycopy(text, 0, newText, 0, newNextColumnIndex);
System.arraycopy(text, newNextColumnIndex, newText, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
mText = text = newText;
} else {
System.arraycopy(text, newNextColumnIndex, text, newNextColumnIndex + 1, mSpaceUsed - newNextColumnIndex);
}
text[newNextColumnIndex] = ' ';
++mSpaceUsed;
} else if (oldCodePointDisplayWidth == 1 && newCodePointDisplayWidth == 2) {
if (columnToSet == mColumns - 1) {
throw new IllegalArgumentException("Cannot put wide character in last column");
} else if (columnToSet == mColumns - 2) {
// Truncate the line to the second part of this wide char:
mSpaceUsed = (short) newNextColumnIndex;
} else {
// Overwrite the contents of the next column, which mean we actually remove java characters. Due to the
// check at the beginning of this method we know that we are not overwriting a wide char.
int newNextNextColumnIndex = newNextColumnIndex + (Character.isHighSurrogate(mText[newNextColumnIndex]) ? 2 : 1);
int nextLen = newNextNextColumnIndex - newNextColumnIndex;
++mSpaceUsed;
} else if (oldCodePointDisplayWidth == 1 && newCodePointDisplayWidth == 2) {
if (columnToSet == mColumns - 1) {
throw new IllegalArgumentException("Cannot put wide character in last column");
} else if (columnToSet == mColumns - 2) {
// Truncate the line to the second part of this wide char:
mSpaceUsed = (short) newNextColumnIndex;
} else {
// Overwrite the contents of the next column, which mean we actually remove java characters. Due to the
// check at the beginning of this method we know that we are not overwriting a wide char.
int newNextNextColumnIndex = newNextColumnIndex + (Character.isHighSurrogate(mText[newNextColumnIndex]) ? 2 : 1);
int nextLen = newNextNextColumnIndex - newNextColumnIndex;
// Shift the array leftwards.
System.arraycopy(text, newNextNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - newNextNextColumnIndex);
mSpaceUsed -= nextLen;
}
}
}
// Shift the array leftwards.
System.arraycopy(text, newNextNextColumnIndex, text, newNextColumnIndex, mSpaceUsed - newNextNextColumnIndex);
mSpaceUsed -= nextLen;
}
}
}
boolean isBlank() {
for (int charIndex = 0, charLen = getSpaceUsed(); charIndex < charLen; charIndex++)
if (mText[charIndex] != ' ') return false;
return true;
}
boolean isBlank() {
for (int charIndex = 0, charLen = getSpaceUsed(); charIndex < charLen; charIndex++)
if (mText[charIndex] != ' ') return false;
return true;
}
public final int getStyle(int column) {
return mStyle[column];
}
public final int getStyle(int column) {
return mStyle[column];
}
}

462
app/src/main/java/com/termux/terminal/TerminalSession.java
View File

@@ -19,202 +19,200 @@ import java.util.UUID;
/**
* A terminal session, consisting of a process coupled to a terminal interface.
* <p>
* <p/>
* The subprocess will be executed by the constructor, and when the size is made known by a call to
* {@link #updateSize(int, int)} terminal emulation will begin and threads will be spawned to handle the subprocess I/O.
* All terminal emulation and callback methods will be performed on the main thread.
* <p>
* <p/>
* The child process may be exited forcefully by using the {@link #finishIfRunning()} method.
*
* <p/>
* NOTE: The terminal session may outlive the EmulatorView, so be careful with callbacks!
*/
public final class TerminalSession extends TerminalOutput {
/** Callback to be invoked when a {@link TerminalSession} changes. */
public interface SessionChangedCallback {
void onTextChanged(TerminalSession changedSession);
/** Callback to be invoked when a {@link TerminalSession} changes. */
public interface SessionChangedCallback {
void onTextChanged(TerminalSession changedSession);
void onTitleChanged(TerminalSession changedSession);
void onTitleChanged(TerminalSession changedSession);
void onSessionFinished(TerminalSession finishedSession);
void onSessionFinished(TerminalSession finishedSession);
void onClipboardText(TerminalSession session, String text);
void onClipboardText(TerminalSession session, String text);
void onBell(TerminalSession session);
void onBell(TerminalSession session);
void onColorsChanged(TerminalSession session);
}
}
private static FileDescriptor wrapFileDescriptor(int fileDescriptor) {
FileDescriptor result = new FileDescriptor();
try {
Field descriptorField;
try {
descriptorField = FileDescriptor.class.getDeclaredField("descriptor");
} catch (NoSuchFieldException e) {
// For desktop java:
descriptorField = FileDescriptor.class.getDeclaredField("fd");
}
descriptorField.setAccessible(true);
descriptorField.set(result, fileDescriptor);
} catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e) {
Log.wtf(EmulatorDebug.LOG_TAG, "Error accessing FileDescriptor#descriptor private field", e);
System.exit(1);
}
return result;
}
private static FileDescriptor wrapFileDescriptor(int fileDescriptor) {
FileDescriptor result = new FileDescriptor();
try {
Field descriptorField;
try {
descriptorField = FileDescriptor.class.getDeclaredField("descriptor");
} catch (NoSuchFieldException e) {
// For desktop java:
descriptorField = FileDescriptor.class.getDeclaredField("fd");
}
descriptorField.setAccessible(true);
descriptorField.set(result, fileDescriptor);
} catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e) {
Log.wtf(EmulatorDebug.LOG_TAG, "Error accessing FileDescriptor#descriptor private field", e);
System.exit(1);
}
return result;
}
private static final int MSG_NEW_INPUT = 1;
private static final int MSG_PROCESS_EXITED = 4;
private static final int MSG_NEW_INPUT = 1;
private static final int MSG_PROCESS_EXITED = 4;
public final String mHandle = UUID.randomUUID().toString();
public final String mHandle = UUID.randomUUID().toString();
TerminalEmulator mEmulator;
TerminalEmulator mEmulator;
/**
* A queue written to from a separate thread when the process outputs, and read by main thread to process by
* terminal emulator.
*/
final ByteQueue mProcessToTerminalIOQueue = new ByteQueue(4096);
/**
* A queue written to from the main thread due to user interaction, and read by another thread which forwards by
* writing to the {@link #mTerminalFileDescriptor}.
*/
final ByteQueue mTerminalToProcessIOQueue = new ByteQueue(4096);
/** Buffer to write translate code points into utf8 before writing to mTerminalToProcessIOQueue */
private final byte[] mUtf8InputBuffer = new byte[5];
/**
* A queue written to from a separate thread when the process outputs, and read by main thread to process by
* terminal emulator.
*/
final ByteQueue mProcessToTerminalIOQueue = new ByteQueue(4096);
/**
* A queue written to from the main thread due to user interaction, and read by another thread which forwards by
* writing to the {@link #mTerminalFileDescriptor}.
*/
final ByteQueue mTerminalToProcessIOQueue = new ByteQueue(4096);
/** Buffer to write translate code points into utf8 before writing to mTerminalToProcessIOQueue */
private final byte[] mUtf8InputBuffer = new byte[5];
/** Callback which gets notified when a session finishes or changes title. */
final SessionChangedCallback mChangeCallback;
/** Callback which gets notified when a session finishes or changes title. */
final SessionChangedCallback mChangeCallback;
/** The pid of the shell process. 0 if not started and -1 if finished running. */
int mShellPid;
/** The pid of the shell process. 0 if not started and -1 if finished running. */
int mShellPid;
/** The exit status of the shell process. Only valid if ${@link #mShellPid} is -1. */
int mShellExitStatus;
/** The exit status of the shell process. Only valid if ${@link #mShellPid} is -1. */
int mShellExitStatus;
/**
* The file descriptor referencing the master half of a pseudo-terminal pair, resulting from calling
* {@link JNI#createSubprocess(String, String, String[], String[], int[], int, int)}.
*/
private int mTerminalFileDescriptor;
/**
* The file descriptor referencing the master half of a pseudo-terminal pair, resulting from calling
* {@link JNI#createSubprocess(String, String, String[], String[], int[], int, int)}.
*/
private int mTerminalFileDescriptor;
/** Set by the application for user identification of session, not by terminal. */
public String mSessionName;
/** Set by the application for user identification of session, not by terminal. */
public String mSessionName;
@SuppressLint("HandlerLeak")
final Handler mMainThreadHandler = new Handler() {
final byte[] mReceiveBuffer = new byte[4 * 1024];
@SuppressLint("HandlerLeak")
final Handler mMainThreadHandler = new Handler() {
final byte[] mReceiveBuffer = new byte[4 * 1024];
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_NEW_INPUT && isRunning()) {
int bytesRead = mProcessToTerminalIOQueue.read(mReceiveBuffer, false);
if (bytesRead > 0) {
mEmulator.append(mReceiveBuffer, bytesRead);
notifyScreenUpdate();
}
} else if (msg.what == MSG_PROCESS_EXITED) {
int exitCode = (Integer) msg.obj;
cleanupResources(exitCode);
mChangeCallback.onSessionFinished(TerminalSession.this);
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_NEW_INPUT && isRunning()) {
int bytesRead = mProcessToTerminalIOQueue.read(mReceiveBuffer, false);
if (bytesRead > 0) {
mEmulator.append(mReceiveBuffer, bytesRead);
notifyScreenUpdate();
}
} else if (msg.what == MSG_PROCESS_EXITED) {
int exitCode = (Integer) msg.obj;
cleanupResources(exitCode);
mChangeCallback.onSessionFinished(TerminalSession.this);
String exitDescription = "\r\n[Process completed";
if (exitCode > 0) {
// Non-zero process exit.
exitDescription += " with code " + exitCode;
} else if (exitCode < 0) {
// Negated signal.
exitDescription += " with signal " + (-exitCode);
}
exitDescription += " - press Enter to close]";
String exitDescription = "\r\n[Process completed";
if (exitCode > 0) {
// Non-zero process exit.
exitDescription += " with code " + exitCode;
} else if (exitCode < 0) {
// Negated signal.
exitDescription += " with signal " + (-exitCode);
}
exitDescription += " - press Enter to close]";
byte[] bytesToWrite = exitDescription.getBytes(StandardCharsets.UTF_8);
mEmulator.append(bytesToWrite, bytesToWrite.length);
notifyScreenUpdate();
}
}
};
byte[] bytesToWrite = exitDescription.getBytes(StandardCharsets.UTF_8);
mEmulator.append(bytesToWrite, bytesToWrite.length);
notifyScreenUpdate();
}
}
};
private final String mShellPath;
private final String mCwd;
private final String[] mArgs;
private final String[] mEnv;
private final String mShellPath;
private final String mCwd;
private final String[] mArgs;
private final String[] mEnv;
public TerminalSession(String shellPath, String cwd, String[] args, String[] env, SessionChangedCallback changeCallback) {
mChangeCallback = changeCallback;
public TerminalSession(String shellPath, String cwd, String[] args, String[] env, SessionChangedCallback changeCallback) {
mChangeCallback = changeCallback;
this.mShellPath = shellPath;
this.mCwd = cwd;
this.mArgs = args;
this.mEnv = env;
}
this.mShellPath = shellPath;
this.mCwd = cwd;
this.mArgs = args;
this.mEnv = env;
}
/** Inform the attached pty of the new size and reflow or initialize the emulator. */
public void updateSize(int columns, int rows) {
if (mEmulator == null) {
initializeEmulator(columns, rows);
} else {
JNI.setPtyWindowSize(mTerminalFileDescriptor, rows, columns);
mEmulator.resize(columns, rows);
}
}
/** Inform the attached pty of the new size and reflow or initialize the emulator. */
public void updateSize(int columns, int rows) {
if (mEmulator == null) {
initializeEmulator(columns, rows);
} else {
JNI.setPtyWindowSize(mTerminalFileDescriptor, rows, columns);
mEmulator.resize(columns, rows);
}
}
/** The terminal title as set through escape sequences or null if none set. */
public String getTitle() {
return (mEmulator == null) ? null : mEmulator.getTitle();
}
/** The terminal title as set through escape sequences or null if none set. */
public String getTitle() {
return (mEmulator == null) ? null : mEmulator.getTitle();
}
/**
* Set the terminal emulator's window size and start terminal emulation.
*
* @param columns
* The number of columns in the terminal window.
* @param rows
* The number of rows in the terminal window.
*/
public void initializeEmulator(int columns, int rows) {
mEmulator = new TerminalEmulator(this, columns, rows, /* transcript= */5000);
/**
* Set the terminal emulator's window size and start terminal emulation.
*
* @param columns The number of columns in the terminal window.
* @param rows The number of rows in the terminal window.
*/
public void initializeEmulator(int columns, int rows) {
mEmulator = new TerminalEmulator(this, columns, rows, /* transcript= */5000);
int[] processId = new int[1];
mTerminalFileDescriptor = JNI.createSubprocess(mShellPath, mCwd, mArgs, mEnv, processId, rows, columns);
mShellPid = processId[0];
int[] processId = new int[1];
mTerminalFileDescriptor = JNI.createSubprocess(mShellPath, mCwd, mArgs, mEnv, processId, rows, columns);
mShellPid = processId[0];
final FileDescriptor terminalFileDescriptorWrapped = wrapFileDescriptor(mTerminalFileDescriptor);
final FileDescriptor terminalFileDescriptorWrapped = wrapFileDescriptor(mTerminalFileDescriptor);
new Thread("TermSessionInputReader[pid=" + mShellPid + "]") {
@Override
public void run() {
try (InputStream termIn = new FileInputStream(terminalFileDescriptorWrapped)) {
final byte[] buffer = new byte[4096];
while (true) {
int read = termIn.read(buffer);
if (read == -1) return;
if (!mProcessToTerminalIOQueue.write(buffer, 0, read)) return;
mMainThreadHandler.sendEmptyMessage(MSG_NEW_INPUT);
}
} catch (Exception e) {
// Ignore, just shutting down.
}
}
}.start();
new Thread("TermSessionInputReader[pid=" + mShellPid + "]") {
@Override
public void run() {
try (InputStream termIn = new FileInputStream(terminalFileDescriptorWrapped)) {
final byte[] buffer = new byte[4096];
while (true) {
int read = termIn.read(buffer);
if (read == -1) return;
if (!mProcessToTerminalIOQueue.write(buffer, 0, read)) return;
mMainThreadHandler.sendEmptyMessage(MSG_NEW_INPUT);
}
} catch (Exception e) {
// Ignore, just shutting down.
}
}
}.start();
new Thread("TermSessionOutputWriter[pid=" + mShellPid + "]") {
@Override
public void run() {
final byte[] buffer = new byte[4096];
try (FileOutputStream termOut = new FileOutputStream(terminalFileDescriptorWrapped)) {
while (true) {
int bytesToWrite = mTerminalToProcessIOQueue.read(buffer, true);
if (bytesToWrite == -1) return;
termOut.write(buffer, 0, bytesToWrite);
}
} catch (IOException e) {
// Ignore.
}
}
}.start();
new Thread("TermSessionOutputWriter[pid=" + mShellPid + "]") {
@Override
public void run() {
final byte[] buffer = new byte[4096];
try (FileOutputStream termOut = new FileOutputStream(terminalFileDescriptorWrapped)) {
while (true) {
int bytesToWrite = mTerminalToProcessIOQueue.read(buffer, true);
if (bytesToWrite == -1) return;
termOut.write(buffer, 0, bytesToWrite);
}
} catch (IOException e) {
// Ignore.
}
}
}.start();
new Thread("TermSessionWaiter[pid=" + mShellPid + "]") {
@Override
@@ -226,63 +224,63 @@ public final class TerminalSession extends TerminalOutput {
}
/** Write data to the shell process. */
@Override
public void write(byte[] data, int offset, int count) {
if (mShellPid > 0) mTerminalToProcessIOQueue.write(data, offset, count);
}
/** Write data to the shell process. */
@Override
public void write(byte[] data, int offset, int count) {
if (mShellPid > 0) mTerminalToProcessIOQueue.write(data, offset, count);
}
/** Write the Unicode code point to the terminal encoded in UTF-8. */
public void writeCodePoint(boolean prependEscape, int codePoint) {
if (codePoint > 1114111 || (codePoint >= 0xD800 && codePoint <= 0xDFFF)) {
// 1114111 (= 2**16 + 1024**2 - 1) is the highest code point, [0xD800,0xDFFF] is the surrogate range.
throw new IllegalArgumentException("Invalid code point: " + codePoint);
}
/** Write the Unicode code point to the terminal encoded in UTF-8. */
public void writeCodePoint(boolean prependEscape, int codePoint) {
if (codePoint > 1114111 || (codePoint >= 0xD800 && codePoint <= 0xDFFF)) {
// 1114111 (= 2**16 + 1024**2 - 1) is the highest code point, [0xD800,0xDFFF] is the surrogate range.
throw new IllegalArgumentException("Invalid code point: " + codePoint);
}
int bufferPosition = 0;
if (prependEscape) mUtf8InputBuffer[bufferPosition++] = 27;
int bufferPosition = 0;
if (prependEscape) mUtf8InputBuffer[bufferPosition++] = 27;
if (codePoint <= /* 7 bits */0b1111111) {
mUtf8InputBuffer[bufferPosition++] = (byte) codePoint;
} else if (codePoint <= /* 11 bits */0b11111111111) {
/* 110xxxxx leading byte with leading 5 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11000000 | (codePoint >> 6));
if (codePoint <= /* 7 bits */0b1111111) {
mUtf8InputBuffer[bufferPosition++] = (byte) codePoint;
} else if (codePoint <= /* 11 bits */0b11111111111) {
/* 110xxxxx leading byte with leading 5 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11000000 | (codePoint >> 6));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else if (codePoint <= /* 16 bits */0b1111111111111111) {
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else if (codePoint <= /* 16 bits */0b1111111111111111) {
/* 1110xxxx leading byte with leading 4 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11100000 | (codePoint >> 12));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11100000 | (codePoint >> 12));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else { /* We have checked codePoint <= 1114111 above, so we have max 21 bits = 0b111111111111111111111 */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
} else { /* We have checked codePoint <= 1114111 above, so we have max 21 bits = 0b111111111111111111111 */
/* 11110xxx leading byte with leading 3 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11110000 | (codePoint >> 18));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b11110000 | (codePoint >> 18));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 12) & 0b111111));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 12) & 0b111111));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | ((codePoint >> 6) & 0b111111));
/* 10xxxxxx continuation byte with following 6 bits */
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
}
write(mUtf8InputBuffer, 0, bufferPosition);
}
mUtf8InputBuffer[bufferPosition++] = (byte) (0b10000000 | (codePoint & 0b111111));
}
write(mUtf8InputBuffer, 0, bufferPosition);
}
public TerminalEmulator getEmulator() {
return mEmulator;
}
public TerminalEmulator getEmulator() {
return mEmulator;
}
/** Notify the {@link #mChangeCallback} that the screen has changed. */
protected void notifyScreenUpdate() {
mChangeCallback.onTextChanged(this);
}
/** Notify the {@link #mChangeCallback} that the screen has changed. */
protected void notifyScreenUpdate() {
mChangeCallback.onTextChanged(this);
}
/** Reset state for terminal emulator state. */
public void reset() {
mEmulator.reset();
notifyScreenUpdate();
}
/** Reset state for terminal emulator state. */
public void reset() {
mEmulator.reset();
notifyScreenUpdate();
}
/** Finish this terminal session by sending SIGKILL to the shell. */
public void finishIfRunning() {
@@ -295,48 +293,50 @@ public final class TerminalSession extends TerminalOutput {
}
}
/** Cleanup resources when the process exits. */
void cleanupResources(int exitStatus) {
synchronized (this) {
mShellPid = -1;
mShellExitStatus = exitStatus;
}
/** Cleanup resources when the process exits. */
void cleanupResources(int exitStatus) {
synchronized (this) {
mShellPid = -1;
mShellExitStatus = exitStatus;
}
// Stop the reader and writer threads, and close the I/O streams
mTerminalToProcessIOQueue.close();
mProcessToTerminalIOQueue.close();
JNI.close(mTerminalFileDescriptor);
}
// Stop the reader and writer threads, and close the I/O streams
mTerminalToProcessIOQueue.close();
mProcessToTerminalIOQueue.close();
JNI.close(mTerminalFileDescriptor);
}
@Override
public void titleChanged(String oldTitle, String newTitle) {
mChangeCallback.onTitleChanged(this);
}
@Override
public void titleChanged(String oldTitle, String newTitle) {
mChangeCallback.onTitleChanged(this);
}
public synchronized boolean isRunning() {
return mShellPid != -1;
}
public synchronized boolean isRunning() {
return mShellPid != -1;
}
/** Only valid if not {@link #isRunning()}. */
public synchronized int getExitStatus() {
return mShellExitStatus;
}
/** Only valid if not {@link #isRunning()}. */
public synchronized int getExitStatus() {
return mShellExitStatus;
}
@Override
public void clipboardText(String text) {
mChangeCallback.onClipboardText(this, text);
}
@Override
public void clipboardText(String text) {
mChangeCallback.onClipboardText(this, text);
}
@Override
public void onBell() {
mChangeCallback.onBell(this);
}
@Override
public void onBell() {
mChangeCallback.onBell(this);
}
@Override
public void onColorsChanged() {
mChangeCallback.onColorsChanged(this);
}
public int getPid() { return mShellPid; }
public int getPid() {
return mShellPid;
}
}

72
app/src/main/java/com/termux/terminal/TextStyle.java
View File

@@ -3,53 +3,53 @@ package com.termux.terminal;
/**
* Encodes effects, foreground and background colors into a 32 bit integer, which are stored for each cell in a terminal
* row in {@link TerminalRow#mStyle}.
*
* <p/>
* The foreground and background colors take 9 bits each, leaving (32-9-9)=14 bits for effect flags. Using 9 for now
* (the different CHARACTER_ATTRIBUTE_* bits).
*/
public final class TextStyle {
public final static int CHARACTER_ATTRIBUTE_BOLD = 1;
public final static int CHARACTER_ATTRIBUTE_ITALIC = 1 << 1;
public final static int CHARACTER_ATTRIBUTE_UNDERLINE = 1 << 2;
public final static int CHARACTER_ATTRIBUTE_BLINK = 1 << 3;
public final static int CHARACTER_ATTRIBUTE_INVERSE = 1 << 4;
public final static int CHARACTER_ATTRIBUTE_INVISIBLE = 1 << 5;
public final static int CHARACTER_ATTRIBUTE_STRIKETHROUGH = 1 << 6;
/**
* The selective erase control functions (DECSED and DECSEL) can only erase characters defined as erasable.
*
* This bit is set if DECSCA (Select Character Protection Attribute) has been used to define the characters that
* come after it as erasable from the screen.
*/
public final static int CHARACTER_ATTRIBUTE_PROTECTED = 1 << 7;
/** Dim colors. Also known as faint or half intensity. */
public final static int CHARACTER_ATTRIBUTE_DIM = 1 << 8;
public final static int CHARACTER_ATTRIBUTE_BOLD = 1;
public final static int CHARACTER_ATTRIBUTE_ITALIC = 1 << 1;
public final static int CHARACTER_ATTRIBUTE_UNDERLINE = 1 << 2;
public final static int CHARACTER_ATTRIBUTE_BLINK = 1 << 3;
public final static int CHARACTER_ATTRIBUTE_INVERSE = 1 << 4;
public final static int CHARACTER_ATTRIBUTE_INVISIBLE = 1 << 5;
public final static int CHARACTER_ATTRIBUTE_STRIKETHROUGH = 1 << 6;
/**
* The selective erase control functions (DECSED and DECSEL) can only erase characters defined as erasable.
* <p/>
* This bit is set if DECSCA (Select Character Protection Attribute) has been used to define the characters that
* come after it as erasable from the screen.
*/
public final static int CHARACTER_ATTRIBUTE_PROTECTED = 1 << 7;
/** Dim colors. Also known as faint or half intensity. */
public final static int CHARACTER_ATTRIBUTE_DIM = 1 << 8;
public final static int COLOR_INDEX_FOREGROUND = 256;
public final static int COLOR_INDEX_BACKGROUND = 257;
public final static int COLOR_INDEX_CURSOR = 258;
public final static int COLOR_INDEX_FOREGROUND = 256;
public final static int COLOR_INDEX_BACKGROUND = 257;
public final static int COLOR_INDEX_CURSOR = 258;
/** The 256 standard color entries and the three special (foreground, background and cursor) ones. */
public final static int NUM_INDEXED_COLORS = 259;
/** The 256 standard color entries and the three special (foreground, background and cursor) ones. */
public final static int NUM_INDEXED_COLORS = 259;
/** Normal foreground and background colors and no effects. */
final static int NORMAL = encode(COLOR_INDEX_FOREGROUND, COLOR_INDEX_BACKGROUND, 0);
/** Normal foreground and background colors and no effects. */
final static int NORMAL = encode(COLOR_INDEX_FOREGROUND, COLOR_INDEX_BACKGROUND, 0);
static int encode(int foreColor, int backColor, int effect) {
return ((effect & 0b111111111) << 18) | ((foreColor & 0b111111111) << 9) | (backColor & 0b111111111);
}
static int encode(int foreColor, int backColor, int effect) {
return ((effect & 0b111111111) << 18) | ((foreColor & 0b111111111) << 9) | (backColor & 0b111111111);
}
public static int decodeForeColor(int encodedColor) {
return (encodedColor >> 9) & 0b111111111;
}
public static int decodeForeColor(int encodedColor) {
return (encodedColor >> 9) & 0b111111111;
}
public static int decodeBackColor(int encodedColor) {
return encodedColor & 0b111111111;
}
public static int decodeBackColor(int encodedColor) {
return encodedColor & 0b111111111;
}
public static int decodeEffect(int encodedColor) {
return (encodedColor >> 18) & 0b111111111;
}
public static int decodeEffect(int encodedColor) {
return (encodedColor >> 18) & 0b111111111;
}
}

190
app/src/main/java/com/termux/terminal/WcWidth.java
View File

@@ -2,107 +2,107 @@ package com.termux.terminal;
/**
* wcwidth() implementation from http://git.musl-libc.org/cgit/musl/tree/src/ctype
*
* <p/>
* Modified to return 0 instead of -1.
*/
public final class WcWidth {
private static final short table[] = { 16, 16, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 16, 16, 32, 16, 16, 16, 33, 34, 35, 36, 37, 38,
39, 16, 16, 40, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 41, 42, 16, 16, 43, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 44, 16, 45, 46, 47, 48, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
49, 16, 16, 50, 51, 16, 52, 16, 16, 16, 16, 16, 16, 16, 16, 53, 16, 16, 16, 16, 16, 54, 55, 16, 16, 16, 16, 56, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 57, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 58, 59, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
248, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254, 255, 255, 255, 255, 191, 182, 0, 0, 0,
0, 0, 0, 0, 31, 0, 255, 7, 0, 0, 0, 0, 0, 248, 255, 255, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 191, 159, 61, 0, 0, 0, 128, 2, 0, 0, 0,
255, 255, 255, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 255, 1, 0, 0, 0, 0, 0, 0, 248, 15, 0, 0, 0, 192, 251, 239, 62, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 240, 255, 255, 127, 7, 0, 0, 0, 0, 0, 0, 20, 254, 33, 254, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 16, 30, 32, 0,
0, 12, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 16, 134, 57, 2, 0, 0, 0, 35, 0, 6, 0, 0, 0, 0, 0, 0, 16, 190, 33, 0, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 144,
30, 32, 64, 0, 12, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 193, 61, 96, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 144, 64, 48, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 32, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 92, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 242, 7, 128, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 242, 27, 0, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 160, 2, 0, 0, 0, 0, 0, 0, 254,
127, 223, 224, 255, 254, 255, 255, 255, 31, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 253, 102, 0, 0, 0, 195, 1, 0, 30, 0, 100, 32, 0, 32, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0,
28, 0, 0, 0, 12, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 176, 63, 64, 254, 15, 32, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 1, 4, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
128, 1, 0, 0, 0, 0, 0, 0, 64, 127, 229, 31, 248, 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 208, 23, 4, 0, 0, 0, 0,
248, 15, 0, 3, 0, 0, 0, 60, 11, 0, 0, 0, 0, 0, 0, 64, 163, 3, 0, 0, 0, 0, 0, 0, 240, 207, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
247, 255, 253, 33, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 127, 0, 0, 240, 0, 248, 0, 0,
0, 124, 0, 0, 0, 0, 0, 0, 31, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255,
255, 0, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
247, 63, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 68, 8, 0, 0, 96, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0,
255, 255, 3, 0, 0, 0, 0, 0, 192, 63, 0, 0, 128, 255, 3, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 200, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126, 102,
0, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 157, 193, 2, 0, 0, 0, 0, 48, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 32, 33, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 110, 240, 0,
0, 0, 0, 0, 135, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 255, 127, 0, 0, 0, 0, 0, 0, 0, 3, 0,
0, 0, 0, 0, 120, 38, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 128, 239, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 192, 127, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 40, 191, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 128, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 248, 255, 231, 15, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, };
private static final short table[] = {16, 16, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 16, 16, 32, 16, 16, 16, 33, 34, 35, 36, 37, 38,
39, 16, 16, 40, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 41, 42, 16, 16, 43, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 44, 16, 45, 46, 47, 48, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
49, 16, 16, 50, 51, 16, 52, 16, 16, 16, 16, 16, 16, 16, 16, 53, 16, 16, 16, 16, 16, 54, 55, 16, 16, 16, 16, 56, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 57, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 58, 59, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
248, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254, 255, 255, 255, 255, 191, 182, 0, 0, 0,
0, 0, 0, 0, 31, 0, 255, 7, 0, 0, 0, 0, 0, 248, 255, 255, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 191, 159, 61, 0, 0, 0, 128, 2, 0, 0, 0,
255, 255, 255, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 255, 1, 0, 0, 0, 0, 0, 0, 248, 15, 0, 0, 0, 192, 251, 239, 62, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 240, 255, 255, 127, 7, 0, 0, 0, 0, 0, 0, 20, 254, 33, 254, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 16, 30, 32, 0,
0, 12, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 16, 134, 57, 2, 0, 0, 0, 35, 0, 6, 0, 0, 0, 0, 0, 0, 16, 190, 33, 0, 0, 12, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 144,
30, 32, 64, 0, 12, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 192, 193, 61, 96, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 144, 64, 48, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 32, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 92, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 242, 7, 128, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 242, 27, 0, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 160, 2, 0, 0, 0, 0, 0, 0, 254,
127, 223, 224, 255, 254, 255, 255, 255, 31, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 253, 102, 0, 0, 0, 195, 1, 0, 30, 0, 100, 32, 0, 32, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 224, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0,
28, 0, 0, 0, 12, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 176, 63, 64, 254, 15, 32, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 135, 1, 4, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
128, 1, 0, 0, 0, 0, 0, 0, 64, 127, 229, 31, 248, 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 208, 23, 4, 0, 0, 0, 0,
248, 15, 0, 3, 0, 0, 0, 60, 11, 0, 0, 0, 0, 0, 0, 64, 163, 3, 0, 0, 0, 0, 0, 0, 240, 207, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
247, 255, 253, 33, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 127, 0, 0, 240, 0, 248, 0, 0,
0, 124, 0, 0, 0, 0, 0, 0, 31, 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255,
255, 0, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
247, 63, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 68, 8, 0, 0, 96, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0,
255, 255, 3, 0, 0, 0, 0, 0, 192, 63, 0, 0, 128, 255, 3, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 200, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126, 102,
0, 8, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 157, 193, 2, 0, 0, 0, 0, 48, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 32, 33, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 110, 240, 0,
0, 0, 0, 0, 135, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 255, 127, 0, 0, 0, 0, 0, 0, 0, 3, 0,
0, 0, 0, 0, 120, 38, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 128, 239, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 192, 127, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 40, 191, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 128, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 3, 248, 255, 231, 15, 0, 0, 0, 60, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,};
private static final short wtable[] = { 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 19, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 21, 22, 23, 24, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 25, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 26, 16, 16, 16, 16, 27, 16, 16, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17,
16, 16, 16, 29, 30, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 31, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 248, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 251, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 63, 0, 0, 0, 255, 15, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 224, 255, 255, 255, 255, 63, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255,
255, 255, 255, 7, 255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 31, 255, 255, 255, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 0, 255, 255, 127, 248,
255, 255, 255, 255, 255, 15, 0, 0, 255, 3, 0, 0, 255, 255, 255, 255, 247, 255, 127, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 255, 255, 255, 255, 255, 7, 255, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0 };
private static final short wtable[] = {16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 19, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 21, 22, 23, 24, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 25, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 26, 16, 16, 16, 16, 27, 16, 16, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
17, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17,
16, 16, 16, 29, 30, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 31, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 248, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 251, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 63, 0, 0, 0, 255, 15, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 254, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 224, 255, 255, 255, 255, 63, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255,
255, 255, 255, 7, 255, 255, 255, 255, 15, 0, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 31, 255, 255, 255, 255, 255, 255, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 15, 0, 255, 255, 127, 248,
255, 255, 255, 255, 255, 15, 0, 0, 255, 3, 0, 0, 255, 255, 255, 255, 247, 255, 127, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 254,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 255, 255, 255, 255, 255, 7, 255, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0};
/** Return the terminal display width of a code point: 0, 1 or 2. */
public static int width(int wc) {
if (wc < 0xff) return (wc + 1 & 0x7f) >= 0x21 ? 1 : (wc != 0) ? 0 : 0;
if ((wc & 0xfffeffff) < 0xfffe) {
if (((table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 0;
if (((wtable[wtable[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 2;
return 1;
}
if ((wc & 0xfffe) == 0xfffe) return 0;
if (wc - 0x20000 < 0x20000) return 2;
if (wc == 0xe0001 || wc - 0xe0020 < 0x5f || wc - 0xe0100 < 0xef) return 0;
return 1;
}
/** Return the terminal display width of a code point: 0, 1 or 2. */
public static int width(int wc) {
if (wc < 0xff) return (wc + 1 & 0x7f) >= 0x21 ? 1 : (wc != 0) ? 0 : 0;
if ((wc & 0xfffeffff) < 0xfffe) {
if (((table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 0;
if (((wtable[wtable[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) != 0) return 2;
return 1;
}
if ((wc & 0xfffe) == 0xfffe) return 0;
if (wc - 0x20000 < 0x20000) return 2;
if (wc == 0xe0001 || wc - 0xe0020 < 0x5f || wc - 0xe0100 < 0xef) return 0;
return 1;
}
/** The width at an index position in a java char array. */
public static int width(char[] chars, int index) {
char c = chars[index];
return Character.isHighSurrogate(c) ? width(Character.toCodePoint(c, chars[index + 1])) : width(c);
}
/** The width at an index position in a java char array. */
public static int width(char[] chars, int index) {
char c = chars[index];
return Character.isHighSurrogate(c) ? width(Character.toCodePoint(c, chars[index + 1])) : width(c);
}
}