From 576d0af40d74bbaa917faaa5a1a45fa0f19a8e21 Mon Sep 17 00:00:00 2001 From: nathan Date: Mon, 27 Oct 2014 23:30:15 +0100 Subject: [PATCH] Moved InputConsole to github (via private repo --mirror) --- Dorkbox-Util/LICENSE.TXT | 6 + Dorkbox-Util/src/dorkbox/util/Keep.java | 17 + .../src/dorkbox/util/NamedThreadFactory.java | 44 +- .../src/dorkbox/util/input/Encoding.java | 38 -- .../src/dorkbox/util/input/InputConsole.java | 504 ------------------ .../src/dorkbox/util/input/Terminal.java | 36 -- .../src/dorkbox/util/input/TerminalType.java | 15 - .../util/input/posix/InputStreamReader.java | 342 ------------ .../input/posix/PosixTerminalControl.java | 68 --- .../util/input/posix/TermiosStruct.java | 44 -- .../util/input/posix/UnixTerminal.java | 183 ------- .../unsupported/UnsupportedTerminal.java | 75 --- .../util/input/windows/ConsoleMode.java | 57 -- .../util/input/windows/WindowsTerminal.java | 124 ----- 14 files changed, 58 insertions(+), 1495 deletions(-) create mode 100644 Dorkbox-Util/src/dorkbox/util/Keep.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/Encoding.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/InputConsole.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/Terminal.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/TerminalType.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/posix/InputStreamReader.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/posix/PosixTerminalControl.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/posix/TermiosStruct.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/posix/UnixTerminal.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/unsupported/UnsupportedTerminal.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/windows/ConsoleMode.java delete mode 100644 Dorkbox-Util/src/dorkbox/util/input/windows/WindowsTerminal.java diff --git a/Dorkbox-Util/LICENSE.TXT b/Dorkbox-Util/LICENSE.TXT index 73bc147..6611757 100644 --- a/Dorkbox-Util/LICENSE.TXT +++ b/Dorkbox-Util/LICENSE.TXT @@ -103,6 +103,12 @@ Legal: + - JNA - Apache 2.0 License + https://github.com/twall/jna + Copyright (c) 2011 Timothy Wall + + + - LAN HostDiscovery from Apache Commons JCS - Apache 2.0 License https://issues.apache.org/jira/browse/JCS-40 Copyright 2001-2014 The Apache Software Foundation. diff --git a/Dorkbox-Util/src/dorkbox/util/Keep.java b/Dorkbox-Util/src/dorkbox/util/Keep.java new file mode 100644 index 0000000..15a4aa3 --- /dev/null +++ b/Dorkbox-Util/src/dorkbox/util/Keep.java @@ -0,0 +1,17 @@ +package dorkbox.util; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +/** + * Marker annotation for proguard + * + */ +@Retention(RetentionPolicy.CLASS) +@Target({ElementType.TYPE}) +@Keep +public @interface Keep { + +} diff --git a/Dorkbox-Util/src/dorkbox/util/NamedThreadFactory.java b/Dorkbox-Util/src/dorkbox/util/NamedThreadFactory.java index bcd207a..b135df6 100644 --- a/Dorkbox-Util/src/dorkbox/util/NamedThreadFactory.java +++ b/Dorkbox-Util/src/dorkbox/util/NamedThreadFactory.java @@ -13,10 +13,10 @@ public class NamedThreadFactory implements ThreadFactory { /** * The stack size is arbitrary based on JVM implementation. Default is 0 * 8k is the size of the android stack. Depending on the version of android, this can either change, or will always be 8k - * + *

* To be honest, 8k is pretty reasonable for an asynchronous/event based system (32bit) or 16k (64bit) * Setting the size MAY or MAY NOT have any effect!!! - * + *

* Stack size must be specified in bytes. Default is 8k */ public static int stackSizeForThreads = 8192; @@ -26,13 +26,40 @@ public class NamedThreadFactory implements ThreadFactory { private final ThreadGroup group; private final String namePrefix; private final int threadPriority; + private final boolean daemon; - public NamedThreadFactory(String poolNamePrefix, ThreadGroup group) { - this(poolNamePrefix, group, Thread.MAX_PRIORITY); + /** + * Creates a DAEMON thread + */ + public NamedThreadFactory(String poolNamePrefix) { + this(poolNamePrefix, Thread.currentThread().getThreadGroup(), Thread.MAX_PRIORITY, true); } + public NamedThreadFactory(String poolNamePrefix, boolean isDaemon) { + this(poolNamePrefix, Thread.currentThread().getThreadGroup(), Thread.MAX_PRIORITY, isDaemon); + } + + + /** + * Creates a DAEMON thread + */ + public NamedThreadFactory(String poolNamePrefix, ThreadGroup group) { + this(poolNamePrefix, group, Thread.MAX_PRIORITY, true); + } + + public NamedThreadFactory(String poolNamePrefix, ThreadGroup group, boolean isDaemon) { + this(poolNamePrefix, group, Thread.MAX_PRIORITY, isDaemon); + } + + /** + * Creates a DAEMON thread + */ public NamedThreadFactory(String poolNamePrefix, int threadPriority) { - this(poolNamePrefix, null, threadPriority); + this(poolNamePrefix, threadPriority, true); + } + + public NamedThreadFactory(String poolNamePrefix, int threadPriority, boolean isDaemon) { + this(poolNamePrefix, null, threadPriority, isDaemon); } /** @@ -41,7 +68,8 @@ public class NamedThreadFactory implements ThreadFactory { * @param group the group this thread will belong to. If NULL, it will belong to the current thread group. * @param threadPriority Thread.MIN_PRIORITY, Thread.NORM_PRIORITY, Thread.MAX_PRIORITY */ - public NamedThreadFactory(String poolNamePrefix, ThreadGroup group, int threadPriority) { + public NamedThreadFactory(String poolNamePrefix, ThreadGroup group, int threadPriority, boolean isDaemon) { + this.daemon = isDaemon; this.namePrefix = poolNamePrefix + '-' + poolId.incrementAndGet(); if (group == null) { this.group = Thread.currentThread().getThreadGroup(); @@ -62,9 +90,7 @@ public class NamedThreadFactory implements ThreadFactory { // To be honest, 8k is pretty reasonable for an asynchronous/event based system (32bit) or 16k (64bit) // Setting the size MAY or MAY NOT have any effect!!! Thread t = new Thread(this.group, r, this.namePrefix + '-' + this.nextId.incrementAndGet(), stackSizeForThreads); - if (!t.isDaemon()) { - t.setDaemon(true); - } + t.setDaemon(this.daemon); if (t.getPriority() != this.threadPriority) { t.setPriority(this.threadPriority); } diff --git a/Dorkbox-Util/src/dorkbox/util/input/Encoding.java b/Dorkbox-Util/src/dorkbox/util/input/Encoding.java deleted file mode 100644 index 47ff14f..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/Encoding.java +++ /dev/null @@ -1,38 +0,0 @@ -package dorkbox.util.input; - -import java.nio.charset.Charset; - -public class Encoding { - /** - * Get the default encoding. Will first look at the LC_CTYPE environment variable, then the input.encoding - * system property, then the default charset according to the JVM. - * - * @return The default encoding to use when none is specified. - */ - public static String get() { - // LC_CTYPE is usually in the form en_US.UTF-8 - String envEncoding = extractEncodingFromCtype(System.getenv("LC_CTYPE")); - if (envEncoding != null) { - return envEncoding; - } - return System.getProperty("input.encoding", Charset.defaultCharset().name()); - } - - /** - * Parses the LC_CTYPE value to extract the encoding according to the POSIX standard, which says that the LC_CTYPE - * environment variable may be of the format [language[_territory][.codeset][@modifier]] - * - * @param ctype The ctype to parse, may be null - * @return The encoding, if one was present, otherwise null - */ - private static String extractEncodingFromCtype(String ctype) { - if (ctype != null && ctype.indexOf('.') > 0) { - String encodingAndModifier = ctype.substring(ctype.indexOf('.') + 1); - if (encodingAndModifier.indexOf('@') > 0) { - return encodingAndModifier.substring(0, encodingAndModifier.indexOf('@')); - } - return encodingAndModifier; - } - return null; - } -} diff --git a/Dorkbox-Util/src/dorkbox/util/input/InputConsole.java b/Dorkbox-Util/src/dorkbox/util/input/InputConsole.java deleted file mode 100644 index 548dfe9..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/InputConsole.java +++ /dev/null @@ -1,504 +0,0 @@ -package dorkbox.util.input; - - -import java.io.File; -import java.io.IOException; -import java.io.InputStream; -import java.io.PrintStream; -import java.net.URL; -import java.security.CodeSource; -import java.security.ProtectionDomain; -import java.util.List; -import java.util.concurrent.CopyOnWriteArrayList; - -import org.fusesource.jansi.Ansi; -import org.fusesource.jansi.AnsiConsole; -import org.slf4j.Logger; - -import dorkbox.util.OS; -import dorkbox.util.bytes.ByteBuffer2; -import dorkbox.util.bytes.ByteBuffer2Poolable; -import dorkbox.util.input.posix.UnixTerminal; -import dorkbox.util.input.unsupported.UnsupportedTerminal; -import dorkbox.util.input.windows.WindowsTerminal; -import dorkbox.util.objectPool.ObjectPool; -import dorkbox.util.objectPool.ObjectPoolFactory; -import dorkbox.util.objectPool.ObjectPoolHolder; - -public class InputConsole { - private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(InputConsole.class); - private static final InputConsole consoleProxyReader = new InputConsole(); - private static final char[] emptyLine = new char[0]; - - /** - * empty method to allow code to initialize the input console. - */ - public static void init() { - } - - // this is run by our init... - { - AnsiConsole.systemInstall(); - - Thread consoleThread = new Thread(new Runnable() { - @Override - public void run() { - consoleProxyReader.run(); - } - }); - consoleThread.setDaemon(true); - consoleThread.setName("Console Input Reader"); - - consoleThread.start(); - - // has to be NOT DAEMON thread, since it must run before the app closes. - - // don't forget we have to shut down the ansi console as well - // alternatively, shut everything down when the JVM closes. - Thread shutdownThread = new Thread() { - @Override - public void run() { - AnsiConsole.systemUninstall(); - - consoleProxyReader.shutdown0(); - } - }; - shutdownThread.setName("Console Input Shutdown"); - Runtime.getRuntime().addShutdownHook(shutdownThread); - } - - /** return null if no data */ - public static final String readLine() { - char[] line = consoleProxyReader.readLine0(); - return new String(line); - } - - /** return -1 if no data */ - public static final int read() { - return consoleProxyReader.read0(); - } - - /** return null if no data */ - public static final char[] readLinePassword() { - return consoleProxyReader.readLinePassword0(); - } - - public static InputStream getInputStream() { - return new InputStream() { - @Override - public int read() throws IOException { - return consoleProxyReader.read0(); - } - - @Override - public void close() throws IOException { - consoleProxyReader.release0(); - } - }; - } - - public static void echo(boolean enableEcho) { - consoleProxyReader.echo0(enableEcho); - } - - public static boolean echo() { - return consoleProxyReader.echo0(); - } - - private final Object inputLock = new Object(); - private final Object inputLockSingle = new Object(); - private final Object inputLockLine = new Object(); - - private final ObjectPool pool; - - private ThreadLocal> readBuff = new ThreadLocal>(); - private List> readBuffers = new CopyOnWriteArrayList>(); - private ThreadLocal threadBufferCounter = new ThreadLocal(); - - private ThreadLocal> readLineBuff = new ThreadLocal>(); - private List> readLineBuffers = new CopyOnWriteArrayList>(); - - private final Terminal terminal; - - private InputConsole() { - Logger logger = InputConsole.logger; - - String readers = System.getProperty(TerminalType.READERS); - int readers2 = 32; - if (readers != null) { - try { - readers2 = Integer.parseInt(readers); - } catch (Exception e) { - } - } - this.pool = ObjectPoolFactory.create(new ByteBuffer2Poolable(), readers2); - - - String type = System.getProperty(TerminalType.TYPE, TerminalType.AUTO).toLowerCase(); - if ("dumb".equals(System.getenv("TERM"))) { - type = TerminalType.NONE; - if (logger.isTraceEnabled()) { - logger.trace("System environment 'TERM'=dumb, creating type=" + type); - } - } else { - if (logger.isTraceEnabled()) { - logger.trace("Creating terminal, type=" + type); - } - } - - - Terminal t; - try { - if (type.equals(TerminalType.UNIX)) { - t = new UnixTerminal(); - } - else if (type.equals(TerminalType.WIN) || type.equals(TerminalType.WINDOWS)) { - t = new WindowsTerminal(); - } - else if (type.equals(TerminalType.NONE) || type.equals(TerminalType.OFF) || type.equals(TerminalType.FALSE)) { - t = new UnsupportedTerminal(); - } else { - if (isIDEAutoDetect()) { - logger.debug("Terminal is in UNSUPPORTED (best guess). Unable to support single key input. Only line input available."); - t = new UnsupportedTerminal(); - } else { - if (OS.isWindows()) { - t = new WindowsTerminal(); - } else { - t = new UnixTerminal(); - } - } - } - } - catch (Exception e) { - logger.error("Failed to construct terminal, falling back to unsupported"); - t = new UnsupportedTerminal(); - } - - try { - t.init(); - } - catch (Throwable e) { - logger.error("Terminal initialization failed, falling back to unsupported"); - t = new UnsupportedTerminal(); - - try { - t.init(); - } catch (IOException e1) { - // UnsupportedTerminal can't do this - } - } - - t.setEchoEnabled(true); - - this.terminal = t; - logger.debug("Created Terminal: {} ({}x{})", t.getClass().getSimpleName(), t.getWidth(), t.getHeight()); - } - - // called when the JVM is shutting down. - private void shutdown0() { - synchronized (this.inputLockSingle) { - this.inputLockSingle.notifyAll(); - } - - synchronized (this.inputLockLine) { - this.inputLockLine.notifyAll(); - } - - try { - InputConsole inputConsole = InputConsole.this; - - inputConsole.terminal.restore(); - // this will 'hang' our shutdown, and honestly, who cares? We're shutting down anyways. - // inputConsole.reader.close(); // hangs on shutdown - } catch (IOException ignored) { - ignored.printStackTrace(); - } - } - - private void echo0(boolean enableEcho) { - this.terminal.setEchoEnabled(enableEcho); - } - - private boolean echo0() { - return this.terminal.isEchoEnabled(); - } - - /** return -1 if no data or bunged-up */ - private final int read0() { - Integer bufferCounter = this.threadBufferCounter.get(); - ObjectPoolHolder objectPoolHolder = this.readBuff.get(); - ByteBuffer2 buffer = null; - - if (objectPoolHolder == null) { - bufferCounter = 0; - this.threadBufferCounter.set(bufferCounter); - - ObjectPoolHolder holder = this.pool.take(); - buffer = holder.getValue(); - this.readBuff.set(holder); - this.readBuffers.add(holder); - } else { - buffer = objectPoolHolder.getValue(); - } - - if (bufferCounter == buffer.position()) { - synchronized (this.inputLockSingle) { - buffer.setPosition(0); - this.threadBufferCounter.set(0); - - try { - this.inputLockSingle.wait(); - } catch (InterruptedException e) { - return -1; - } - } - } - - bufferCounter = this.threadBufferCounter.get(); - char c = buffer.readChar(bufferCounter); - bufferCounter += 2; - - this.threadBufferCounter.set(bufferCounter); - return c; - } - - /** return empty char[] if no data */ - private final char[] readLinePassword0() { - // don't bother in an IDE. it won't work. - boolean echoEnabled = this.terminal.isEchoEnabled(); - this.terminal.setEchoEnabled(false); - char[] readLine0 = readLine0(); - this.terminal.setEchoEnabled(echoEnabled); - - return readLine0; - } - - /** return empty char[] if no data */ - private final char[] readLine0() { - synchronized (this.inputLock) { - // empty here, because we don't want to register a readLine WHILE we are still processing - // the current line info. - - // the threadBufferForRead getting added is the part that is important - if (this.readLineBuff.get() == null) { - ObjectPoolHolder holder = this.pool.take(); - this.readLineBuff.set(holder); - this.readLineBuffers.add(holder); - } else { - this.readLineBuff.get().getValue().clear(); - } - } - - synchronized (this.inputLockLine) { - try { - this.inputLockLine.wait(); - } catch (InterruptedException e) { - return emptyLine; - } - } - - ObjectPoolHolder objectPoolHolder = this.readLineBuff.get(); - ByteBuffer2 buffer = objectPoolHolder.getValue(); - int len = buffer.position(); - if (len == 0) { - return emptyLine; - } - - buffer.rewind(); - char[] readChars = buffer.readChars(len/2); // java always stores chars in 2 bytes - - // dump the chars in the buffer (safer for passwords, etc) - buffer.clearSecure(); - - this.readLineBuffers.remove(objectPoolHolder); - this.pool.release(objectPoolHolder); - this.readLineBuff.set(null); - - return readChars; - } - - /** - * releases any thread still waiting. - */ - private void release0() { - synchronized (this.inputLockSingle) { - this.inputLockSingle.notifyAll(); - } - - synchronized (this.inputLockLine) { - this.inputLockLine.notifyAll(); - } - } - - private final void run() { - Logger logger2 = logger; - - final boolean ansiEnabled = Ansi.isEnabled(); - Ansi ansi = Ansi.ansi(); - PrintStream out = AnsiConsole.out; - - int typedChar; - char asChar; - - // don't type ; in a bash shell, it quits everything - // \n is replaced by \r in unix terminal? - while ((typedChar = this.terminal.read()) != -1) { - synchronized (this.inputLock) { - // don't let anyone add a new reader while we are still processing the current actions - asChar = (char) typedChar; - - if (logger2.isTraceEnabled()) { - logger2.trace("READ: {} ({})", asChar, typedChar); - } - - // notify everyone waiting for a character. - synchronized (this.inputLockSingle) { - // have to do readChar first (readLine has to deal with \b and \n - for (ObjectPoolHolder objectPoolHolder : this.readBuffers) { - ByteBuffer2 buffer = objectPoolHolder.getValue(); - buffer.writeChar(asChar); - } - - this.inputLockSingle.notifyAll(); - } - - - // now to handle readLine stuff - - // if we type a backspace key, swallow it + previous in READLINE. READCHAR will have it passed. - if (asChar == '\b') { - int position = 0; - - // clear ourself + one extra. - if (ansiEnabled) { - for (ObjectPoolHolder objectPoolHolder : this.readLineBuffers) { - ByteBuffer2 buffer = objectPoolHolder.getValue(); - // size of the buffer BEFORE our backspace was typed - int length = buffer.position(); - int amtToOverwrite = 2 * 2; // backspace is always 2 chars (^?) * 2 because it's bytes - - if (length > 1) { - char charAt = buffer.readChar(length-2); - amtToOverwrite += getPrintableCharacters(charAt); - - // delete last item in our buffer - length -= 2; - buffer.setPosition(length); - - // now figure out where the cursor is really at. - // this is more memory friendly than buf.toString.length - for (int i=0;i objectPoolHolder : this.readLineBuffers) { - ByteBuffer2 buffer = objectPoolHolder.getValue(); - buffer.writeChar(asChar); - } - } - } - } - } - - /** - * try to guess if we are running inside an IDE - */ - private boolean isIDEAutoDetect() { - try { - // Get the location of this class - ProtectionDomain pDomain = getClass().getProtectionDomain(); - CodeSource cSource = pDomain.getCodeSource(); - URL loc = cSource.getLocation(); // file:/X:/workspace/xxxx/classes/ when it's in eclipse - - // if we are in eclipse, this won't be a jar -- it will be a class directory. - File locFile = new File(loc.getFile()); - return locFile.isDirectory(); - - } catch (Exception e) { - } - - // fall-back to unsupported - return true; - } - - - /** - * Return the number of characters that will be printed when the specified - * character is echoed to the screen - * - * Adapted from cat by Torbjorn Granlund, as repeated in stty by David MacKenzie. - */ - public static int getPrintableCharacters(final int ch) { -// StringBuilder sbuff = new StringBuilder(); - - if (ch >= 32) { - if (ch < 127) { -// sbuff.append((char) ch); - return 1; - } - else if (ch == 127) { -// sbuff.append('^'); -// sbuff.append('?'); - return 2; - } - else { -// sbuff.append('M'); -// sbuff.append('-'); - int count = 2; - - if (ch >= 128 + 32) { - if (ch < 128 + 127) { -// sbuff.append((char) (ch - 128)); - count++; - } - else { -// sbuff.append('^'); -// sbuff.append('?'); - count += 2; - } - } - else { -// sbuff.append('^'); -// sbuff.append((char) (ch - 128 + 64)); - count += 2; - } - return count; - } - } - else { -// sbuff.append('^'); -// sbuff.append((char) (ch + 64)); - return 2; - } - -// return sbuff; - } -} \ No newline at end of file diff --git a/Dorkbox-Util/src/dorkbox/util/input/Terminal.java b/Dorkbox-Util/src/dorkbox/util/input/Terminal.java deleted file mode 100644 index aa06398..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/Terminal.java +++ /dev/null @@ -1,36 +0,0 @@ -package dorkbox.util.input; - -import java.io.IOException; - -public abstract class Terminal { - protected final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(getClass()); - - - public static final int DEFAULT_WIDTH = 80; - public static final int DEFAULT_HEIGHT = 24; - - private volatile boolean echoEnabled; - - public Terminal() { - } - - public abstract void init() throws IOException; - - public abstract void restore() throws IOException; - - public void setEchoEnabled(boolean enabled) { - this.echoEnabled = enabled; - } - - public boolean isEchoEnabled() { - return this.echoEnabled; - } - - public abstract int getWidth(); - public abstract int getHeight(); - - /** - * @return a character from whatever underlying input method the terminal has available. - */ - public abstract int read(); -} diff --git a/Dorkbox-Util/src/dorkbox/util/input/TerminalType.java b/Dorkbox-Util/src/dorkbox/util/input/TerminalType.java deleted file mode 100644 index b4d3222..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/TerminalType.java +++ /dev/null @@ -1,15 +0,0 @@ -package dorkbox.util.input; - -public class TerminalType { - public static final String TYPE = "input.terminal"; - public static final String READERS = "input.terminal.readers"; - - public static final String AUTO = "auto"; - public static final String UNIX = "unix"; - public static final String WIN = "win"; - public static final String WINDOWS = "windows"; - - public static final String NONE = "none"; - public static final String OFF = "off"; - public static final String FALSE = "false"; -} diff --git a/Dorkbox-Util/src/dorkbox/util/input/posix/InputStreamReader.java b/Dorkbox-Util/src/dorkbox/util/input/posix/InputStreamReader.java deleted file mode 100644 index 28a414f..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/posix/InputStreamReader.java +++ /dev/null @@ -1,342 +0,0 @@ -/* - * Copyright (c) 2002-2012, the original author or authors. - * - * This software is distributable under the BSD license. See the terms of the - * BSD license in the documentation provided with this software. - * - * http://www.opensource.org/licenses/bsd-license.php - */ -package dorkbox.util.input.posix; - -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStreamWriter; -import java.io.Reader; -import java.io.UnsupportedEncodingException; -import java.nio.ByteBuffer; -import java.nio.CharBuffer; -import java.nio.charset.Charset; -import java.nio.charset.CharsetDecoder; -import java.nio.charset.CoderResult; -import java.nio.charset.CodingErrorAction; -import java.nio.charset.MalformedInputException; -import java.nio.charset.UnmappableCharacterException; - - -/** - * - * NOTE for JLine: the default InputStreamReader that comes from the JRE - * usually read more bytes than needed from the input stream, which - * is not usable in a character per character model used in the console. - * We thus use the harmony code which only reads the minimal number of bytes, - * with a modification to ensure we can read larger characters (UTF-16 has - * up to 4 bytes, and UTF-32, rare as it is, may have up to 8). - */ -/** - * A class for turning a byte stream into a character stream. Data read from the - * source input stream is converted into characters by either a default or a - * provided character converter. The default encoding is taken from the - * "file.encoding" system property. {@code InputStreamReader} contains a buffer - * of bytes read from the source stream and converts these into characters as - * needed. The buffer size is 8K. - * - * @see OutputStreamWriter - */ -public class InputStreamReader extends Reader { - private InputStream in; - - private static final int BUFFER_SIZE = 8192; - - private boolean endOfInput = false; - - String encoding; - - CharsetDecoder decoder; - - ByteBuffer bytes = ByteBuffer.allocate(BUFFER_SIZE); - - /** - * Constructs a new {@code InputStreamReader} on the {@link InputStream} - * {@code in}. This constructor sets the character converter to the encoding - * specified in the "file.encoding" property and falls back to ISO 8859_1 - * (ISO-Latin-1) if the property doesn't exist. - * - * @param in - * the input stream from which to read characters. - */ - public InputStreamReader(InputStream in) { - super(in); - this.in = in; - // FIXME: This should probably use Configuration.getFileEncoding() - this.encoding = System.getProperty("file.encoding", "ISO8859_1"); //$NON-NLS-1$//$NON-NLS-2$ - this.decoder = Charset.forName(this.encoding).newDecoder().onMalformedInput( - CodingErrorAction.REPLACE).onUnmappableCharacter( - CodingErrorAction.REPLACE); - this.bytes.limit(0); - } - - /** - * Constructs a new InputStreamReader on the InputStream {@code in}. The - * character converter that is used to decode bytes into characters is - * identified by name by {@code enc}. If the encoding cannot be found, an - * UnsupportedEncodingException error is thrown. - * - * @param in - * the InputStream from which to read characters. - * @param enc - * identifies the character converter to use. - * @throws NullPointerException - * if {@code enc} is {@code null}. - * @throws UnsupportedEncodingException - * if the encoding specified by {@code enc} cannot be found. - */ - public InputStreamReader(InputStream in, final String enc) -// throws UnsupportedEncodingException - { - super(in); - - if (enc == null) { - throw new NullPointerException(); - } - this.in = in; - - try { - this.decoder = Charset.forName(enc).newDecoder().onMalformedInput( - CodingErrorAction.REPLACE).onUnmappableCharacter( - CodingErrorAction.REPLACE); - } catch (IllegalArgumentException e) { - e.printStackTrace(); -// throw (UnsupportedEncodingException) -// new UnsupportedEncodingException(enc).initCause(e); - } - this.bytes.limit(0); - } - - /** - * Constructs a new InputStreamReader on the InputStream {@code in} and - * CharsetDecoder {@code dec}. - * - * @param in - * the source InputStream from which to read characters. - * @param dec - * the CharsetDecoder used by the character conversion. - */ - public InputStreamReader(InputStream in, CharsetDecoder dec) { - super(in); - dec.averageCharsPerByte(); - this.in = in; - this.decoder = dec; - this.bytes.limit(0); - } - - /** - * Constructs a new InputStreamReader on the InputStream {@code in} and - * Charset {@code charset}. - * - * @param in - * the source InputStream from which to read characters. - * @param charset - * the Charset that defines the character converter - */ - public InputStreamReader(InputStream in, Charset charset) { - super(in); - this.in = in; - this.decoder = charset.newDecoder().onMalformedInput( - CodingErrorAction.REPLACE).onUnmappableCharacter( - CodingErrorAction.REPLACE); - this.bytes.limit(0); - } - - /** - * Closes this reader. This implementation closes the source InputStream and - * releases all local storage. - * - * @throws IOException - * if an error occurs attempting to close this reader. - */ - @Override - public void close() throws IOException { - synchronized (this.lock) { - this.decoder = null; - if (this.in != null) { - this.in.close(); - this.in = null; - } - } - } - - /** - * Returns the name of the encoding used to convert bytes into characters. - * The value {@code null} is returned if this reader has been closed. - * - * @return the name of the character converter or {@code null} if this - * reader is closed. - */ - public String getEncoding() { - if (!isOpen()) { - return null; - } - return this.encoding; - } - - /** - * Reads a single character from this reader and returns it as an integer - * with the two higher-order bytes set to 0. Returns -1 if the end of the - * reader has been reached. The byte value is either obtained from - * converting bytes in this reader's buffer or by first filling the buffer - * from the source InputStream and then reading from the buffer. - * - * @return the character read or -1 if the end of the reader has been - * reached. - * @throws IOException - * if this reader is closed or some other I/O error occurs. - */ - @Override - public int read() throws IOException { - synchronized (this.lock) { - if (!isOpen()) { - throw new IOException("InputStreamReader is closed."); - } - - char buf[] = new char[4]; - return read(buf, 0, 4) != -1 ? Character.codePointAt(buf, 0) : -1; - } - } - - /** - * Reads at most {@code length} characters from this reader and stores them - * at position {@code offset} in the character array {@code buf}. Returns - * the number of characters actually read or -1 if the end of the reader has - * been reached. The bytes are either obtained from converting bytes in this - * reader's buffer or by first filling the buffer from the source - * InputStream and then reading from the buffer. - * - * @param buf - * the array to store the characters read. - * @param offset - * the initial position in {@code buf} to store the characters - * read from this reader. - * @param length - * the maximum number of characters to read. - * @return the number of characters read or -1 if the end of the reader has - * been reached. - * @throws IndexOutOfBoundsException - * if {@code offset < 0} or {@code length < 0}, or if - * {@code offset + length} is greater than the length of - * {@code buf}. - * @throws IOException - * if this reader is closed or some other I/O error occurs. - */ - @Override - public int read(char[] buf, int offset, int length) throws IOException { - synchronized (this.lock) { - if (!isOpen()) { - throw new IOException("InputStreamReader is closed."); - } - if (offset < 0 || offset > buf.length - length || length < 0) { - throw new IndexOutOfBoundsException(); - } - if (length == 0) { - return 0; - } - - CharBuffer out = CharBuffer.wrap(buf, offset, length); - CoderResult result = CoderResult.UNDERFLOW; - - // bytes.remaining() indicates number of bytes in buffer - // when 1-st time entered, it'll be equal to zero - boolean needInput = !this.bytes.hasRemaining(); - - while (out.hasRemaining()) { - // fill the buffer if needed - if (needInput) { - try { - if (this.in.available() == 0 - && out.position() > offset) { - // we could return the result without blocking read - break; - } - } catch (IOException e) { - // available didn't work so just try the read - } - - int to_read = this.bytes.capacity() - this.bytes.limit(); - int off = this.bytes.arrayOffset() + this.bytes.limit(); - int was_red = this.in.read(this.bytes.array(), off, to_read); - - if (was_red == -1) { - this.endOfInput = true; - break; - } else if (was_red == 0) { - break; - } - this.bytes.limit(this.bytes.limit() + was_red); - needInput = false; - } - - // decode bytes - result = this.decoder.decode(this.bytes, out, false); - - if (result.isUnderflow()) { - // compact the buffer if no space left - if (this.bytes.limit() == this.bytes.capacity()) { - this.bytes.compact(); - this.bytes.limit(this.bytes.position()); - this.bytes.position(0); - } - needInput = true; - } else { - break; - } - } - - if (result == CoderResult.UNDERFLOW && this.endOfInput) { - result = this.decoder.decode(this.bytes, out, true); - this.decoder.flush(out); - this.decoder.reset(); - } - if (result.isMalformed()) { - throw new MalformedInputException(result.length()); - } else if (result.isUnmappable()) { - throw new UnmappableCharacterException(result.length()); - } - - return out.position() - offset == 0 ? -1 : out.position() - offset; - } - } - - /* - * Answer a boolean indicating whether or not this InputStreamReader is - * open. - */ - private boolean isOpen() { - return this.in != null; - } - - /** - * Indicates whether this reader is ready to be read without blocking. If - * the result is {@code true}, the next {@code read()} will not block. If - * the result is {@code false} then this reader may or may not block when - * {@code read()} is called. This implementation returns {@code true} if - * there are bytes available in the buffer or the source stream has bytes - * available. - * - * @return {@code true} if the receiver will not block when {@code read()} - * is called, {@code false} if unknown or blocking will occur. - * @throws IOException - * if this reader is closed or some other I/O error occurs. - */ - @Override - public boolean ready() throws IOException { - synchronized (this.lock) { - if (this.in == null) { - throw new IOException("InputStreamReader is closed."); - } - try { - return this.bytes.hasRemaining() || this.in.available() > 0; - } catch (IOException e) { - return false; - } - } - } -} \ No newline at end of file diff --git a/Dorkbox-Util/src/dorkbox/util/input/posix/PosixTerminalControl.java b/Dorkbox-Util/src/dorkbox/util/input/posix/PosixTerminalControl.java deleted file mode 100644 index 1de32eb..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/posix/PosixTerminalControl.java +++ /dev/null @@ -1,68 +0,0 @@ -package dorkbox.util.input.posix; - -import java.nio.ByteBuffer; - -import com.sun.jna.Library; - -public interface PosixTerminalControl extends Library { - public static final int TCSANOW = 0; - public static final int TBUFLEN = 124; - - // Definitions at: http://linux.die.net/man/3/termios - // also: http://code.metager.de/source/xref/DragonFly-BSD/sys/sys/termios.h - public static final int IGNBRK = 0x00000001; /* ignore BREAK condition */ - public static final int BRKINT = 0x00000002; /* map BREAK to SIGINTR */ - - - public static final int ISIG = 0000001; - public static final int ICANON = 0000002; - public static final int ECHO = 0000010; - public static final int IXON = 0002000; - - - public static final int VINTR = 0; - public static final int VQUIT = 1; - public static final int VERASE = 2; - public static final int VKILL = 3; - public static final int VEOF = 4; - public static final int VTIME = 5; - public static final int VMIN = 6; - public static final int VSWTC = 7; - public static final int VSTART = 8; - public static final int VSTOP = 9; - public static final int VSUSP = 10; - public static final int VEOL = 11; - public static final int VREPRINT = 12; - public static final int VDISCARD = 13; - public static final int VWERASE = 14; - public static final int VLNEXT = 15; - public static final int VEOL2 = 16; - - // MAGIC! - public static final int TIOCGWINSZ = System.getProperty("os.name").equalsIgnoreCase("linux") ? 0x5413 : 1074295912; - - public int open(String path, int flags); - - public int close(int fd); - - /** - * Original signature : int ioctl(int, int, char*)
- */ - public int ioctl(int d, int request, ByteBuffer data); - - /** - * Put the state of FD into *TERMIOS_P.
- * - * Original signature : int tcgetattr(int, char*)
- */ - public int tcgetattr(int fd, TermiosStruct termios_p); - - /** - * Set the state of FD to *TERMIOS_P.
- * - * Values for OPTIONAL_ACTIONS (TCSA*) are in .
- * - * Original signature : int tcsetattr(int, int, char*)
- */ - public int tcsetattr(int fd, int optional_actions, TermiosStruct termios_p); -} diff --git a/Dorkbox-Util/src/dorkbox/util/input/posix/TermiosStruct.java b/Dorkbox-Util/src/dorkbox/util/input/posix/TermiosStruct.java deleted file mode 100644 index 2ee9364..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/posix/TermiosStruct.java +++ /dev/null @@ -1,44 +0,0 @@ -package dorkbox.util.input.posix; - -import java.util.Arrays; -import java.util.List; - -import com.sun.jna.Structure; - -public class TermiosStruct extends Structure { - /** input mode flags */ - public int c_iflag; - /** output mode flags */ - public int c_oflag; - /** control mode flags */ - public int c_cflag; - /** local mode flags */ - public int c_lflag; - /** line discipline */ - public byte c_line; - - /** control characters */ - public byte[] c_cc = new byte[32]; - - /** input speed */ - public int c_ispeed; - /** output speed */ - public int c_ospeed; - - public TermiosStruct() { - } - - @Override - protected List getFieldOrder() { - return Arrays.asList( - "c_iflag", - "c_oflag", - "c_cflag", - "c_lflag", - "c_line", - "c_cc", - "c_ispeed", - "c_ospeed" - ); - } -} \ No newline at end of file diff --git a/Dorkbox-Util/src/dorkbox/util/input/posix/UnixTerminal.java b/Dorkbox-Util/src/dorkbox/util/input/posix/UnixTerminal.java deleted file mode 100644 index 2e8c535..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/posix/UnixTerminal.java +++ /dev/null @@ -1,183 +0,0 @@ -package dorkbox.util.input.posix; - -import java.io.IOException; -import java.io.Reader; -import java.nio.ByteBuffer; - -import com.sun.jna.Native; - -import dorkbox.util.input.Encoding; -import dorkbox.util.input.Terminal; - -/** - * Terminal that is used for unix platforms. Terminal initialization - * is handled via JNA and ioctl/tcgetattr/tcsetattr/cfmakeraw. - * - * This implementation should work for an reasonable POSIX system. - */ -public class UnixTerminal extends Terminal { - - private volatile TermiosStruct termInfoDefault = new TermiosStruct(); - private volatile TermiosStruct termInfo = new TermiosStruct(); - - private Reader reader; - - private PosixTerminalControl term; - private ByteBuffer windowSizeBuffer = ByteBuffer.allocate(8); - - - public UnixTerminal() throws Exception { - String encoding = Encoding.get(); - this.reader = new InputStreamReader(System.in, encoding); - - this.term = (PosixTerminalControl) Native.loadLibrary("c", PosixTerminalControl.class); - - // save off the defaults - if (this.term.tcgetattr(0, this.termInfoDefault) !=0) { - throw new IOException("Failed to get terminal info"); - } - } - - @Override - public void init() throws IOException { - - // COMPARABLE TO (from upstream) - //settings.set("-icanon min 1 -ixon"); - //settings.set("dsusp undef"); - - /* - * NOT done in constructor, since our unit test DOES NOT use this! - * - * Set the console to be character-buffered instead of line-buffered. - * Allow ctrl-s and ctrl-q keypress to be used (as forward search) - */ - -// raw mode -// t->c_iflag &= ~(IMAXBEL|IXOFF|INPCK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IGNPAR); -// t->c_iflag |= IGNBRK; -// t->c_oflag &= ~OPOST; -// t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN|NOFLSH|TOSTOP|PENDIN); -// t->c_cflag &= ~(CSIZE|PARENB); -// t->c_cflag |= CS8|CREAD; -// t->c_cc[VMIN] = 1; -// t->c_cc[VTIME] = 0; - - if (this.term.tcgetattr(0, this.termInfo) !=0) { - throw new IOException("Failed to get terminal info"); - } - - this.termInfo.c_iflag &= ~PosixTerminalControl.IXON; // DISABLE - flow control mediated by ^S and ^Q -// struct.c_iflag |= PosixTerminalControl.IUTF8; // DISABLE - flow control mediated by ^S and ^Q - - this.termInfo.c_lflag &= ~PosixTerminalControl.ICANON; // DISABLE - canonical mode (pass chars straight through to terminal) -// struct.c_lflag &= ~PosixTerminalControl.ISIG; // DISABLE - When any of the characters INTR, QUIT, SUSP, or DSUSP are received, generate the corresponding signal. - - - // If MIN > 0 and TIME = 0, MIN sets the number of characters to receive before the read is satisfied. As TIME is zero, the timer is not used. - this.termInfo.c_cc[PosixTerminalControl.VMIN] = 1; // Minimum number of characters for noncanonical read (MIN). - this.termInfo.c_cc[PosixTerminalControl.VTIME] = 0; // Timeout in deciseconds for noncanonical read (TIME). - - this.termInfo.c_cc[PosixTerminalControl.VSUSP] = 0; // suspend disabled - this.termInfo.c_cc[PosixTerminalControl.VEOF] = 0; // eof disabled - this.termInfo.c_cc[PosixTerminalControl.VEOL] = 0; // eol disabled - - - if (this.term.tcsetattr(0, PosixTerminalControl.TCSANOW, this.termInfo) != 0) { - throw new IOException("Can not set terminal flags"); - } - } - - /** - * Restore the original terminal configuration, which can be used when - * shutting down the console reader. The ConsoleReader cannot be - * used after calling this method. - */ - @Override - public final void restore() throws IOException { - if (this.term.tcsetattr(0, PosixTerminalControl.TCSANOW, this.termInfoDefault) != 0) { - throw new IOException("Can not reset terminal to defaults"); - } - } - - /** - * Returns number of columns in the terminal. - */ - @Override - public final int getWidth() { - if (this.term.ioctl(0, PosixTerminalControl.TIOCGWINSZ, this.windowSizeBuffer) != 0) { - return DEFAULT_WIDTH; - } - - short columns = (short)(0x000000FF &this.windowSizeBuffer.get(2) + (0x000000FF & this.windowSizeBuffer.get(3)) * 256); - return columns; - } - - /** - * Returns number of rows in the terminal. - */ - @Override - public final int getHeight() { - if (this.term.ioctl(0, PosixTerminalControl.TIOCGWINSZ, this.windowSizeBuffer) != 0) { - return DEFAULT_HEIGHT; - } - - short rows = (short)(0x000000FF &this.windowSizeBuffer.get(0) + (0x000000FF & this.windowSizeBuffer.get(1)) * 256); - return rows; - } - - @Override - public final synchronized void setEchoEnabled(final boolean enabled) { - // have to reget them, since flags change everything - if (this.term.tcgetattr(0, this.termInfo) !=0) { - this.logger.error("Failed to get terminal info"); - } - - if (enabled) { - this.termInfo.c_lflag |= PosixTerminalControl.ECHO; // ENABLE Echo input characters. - } - else { - this.termInfo.c_lflag &= ~PosixTerminalControl.ECHO; // DISABLE Echo input characters. - } - - if (this.term.tcsetattr(0, PosixTerminalControl.TCSANOW, this.termInfo) != 0) { - this.logger.error("Can not set terminal flags"); - } - - super.setEchoEnabled(enabled); - } - -// public final void disableInterruptCharacter() { -// // have to re-get them, since flags change everything -// if (this.term.tcgetattr(0, this.termInfo) !=0) { -// this.logger.error("Failed to get terminal info"); -// } -// -// this.termInfo.c_cc[PosixTerminalControl.VINTR] = 0; // interrupt disabled -// -// if (this.term.tcsetattr(0, PosixTerminalControl.TCSANOW, this.termInfo) != 0) { -// this.logger.error("Can not set terminal flags"); -// } -// } -// -// public final void enableInterruptCharacter() { -// // have to re-get them, since flags change everything -// if (this.term.tcgetattr(0, this.termInfo) !=0) { -// this.logger.error("Failed to get terminal info"); -// } -// -// this.termInfo.c_cc[PosixTerminalControl.VINTR] = 3; // interrupt is ctrl-c -// -// if (this.term.tcsetattr(0, PosixTerminalControl.TCSANOW, this.termInfo) != 0) { -// this.logger.error("Can not set terminal flags"); -// } -// } - - @Override - public final int read() { - try { - return this.reader.read(); - } catch (IOException ignored) { - return -1; - } - } -} diff --git a/Dorkbox-Util/src/dorkbox/util/input/unsupported/UnsupportedTerminal.java b/Dorkbox-Util/src/dorkbox/util/input/unsupported/UnsupportedTerminal.java deleted file mode 100644 index 9ea0d6f..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/unsupported/UnsupportedTerminal.java +++ /dev/null @@ -1,75 +0,0 @@ -package dorkbox.util.input.unsupported; - -import java.io.IOException; -import java.io.InputStream; - -import dorkbox.util.bytes.ByteBuffer2; -import dorkbox.util.input.Terminal; - -public class UnsupportedTerminal extends Terminal { - - private ByteBuffer2 buffer = new ByteBuffer2(8, -1); - - private int readerCount = -1; - private InputStream in; - - public UnsupportedTerminal() { - this.in = System.in; - } - - @Override - public final void init() throws IOException { - } - - @Override - public final void restore() { - } - - @Override - public final int getWidth() { - return 0; - } - - @Override - public final int getHeight() { - return 0; - } - - @Override - public final int read() { - // if we are reading data (because we are in IDE mode), we want to return ALL the chars of the line! - - // so, 'readerCount' is REALLY the index at which we return letters (until the whole string is returned) - if (this.readerCount == -1) { - // we have to wait for more data. - try { - InputStream sysIn = this.in; - int read; - char asChar; - this.buffer.clearSecure(); - - while ((read = sysIn.read()) != -1) { - asChar = (char)read; - if (asChar == '\n') { - this.readerCount = this.buffer.position(); - this.buffer.rewind(); - break; - } else { - this.buffer.writeChar(asChar); - } - } - } catch (IOException e1) { - } - } - - - // EACH thread will have it's own count! - if (this.readerCount == this.buffer.position()) { - this.readerCount = -1; - return '\n'; - } else { - char c = this.buffer.readChar(); - return c; - } - } -} \ No newline at end of file diff --git a/Dorkbox-Util/src/dorkbox/util/input/windows/ConsoleMode.java b/Dorkbox-Util/src/dorkbox/util/input/windows/ConsoleMode.java deleted file mode 100644 index bf47a53..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/windows/ConsoleMode.java +++ /dev/null @@ -1,57 +0,0 @@ -package dorkbox.util.input.windows; - -/** - * Console mode - *

- * Constants copied wincon.h. - */ -public enum ConsoleMode { - /** - * The ReadFile or ReadConsole function returns only when a carriage return - * character is read. If this mode is disable, the functions return when one - * or more characters are available. - */ - ENABLE_LINE_INPUT(2), - - /** - * Characters read by the ReadFile or ReadConsole function are written to - * the active screen buffer as they are read. This mode can be used only if - * the ENABLE_LINE_INPUT mode is also enabled. - */ - ENABLE_ECHO_INPUT(4), - - /** - * CTRL+C is processed by the system and is not placed in the input buffer. - * If the input buffer is being read by ReadFile or ReadConsole, other - * control keys are processed by the system and are not returned in the - * ReadFile or ReadConsole buffer. If the ENABLE_LINE_INPUT mode is also - * enabled, backspace, carriage return, and linefeed characters are handled - * by the system. - */ - ENABLE_PROCESSED_INPUT(1), - - /** - * User interactions that change the size of the console screen buffer are - * reported in the console's input buffee. Information about these events - * can be read from the input buffer by applications using - * theReadConsoleInput function, but not by those using ReadFile - * orReadConsole. - */ - ENABLE_WINDOW_INPUT(8), - - /** - * If the mouse pointer is within the borders of the console window and the - * window has the keyboard focus, mouse events generated by mouse movement - * and button presses are placed in the input buffer. These events are - * discarded by ReadFile or ReadConsole, even when this mode is enabled. - */ - ENABLE_MOUSE_INPUT(16), - ; - - - public final int code; - - ConsoleMode(final int code) { - this.code = code; - } -} \ No newline at end of file diff --git a/Dorkbox-Util/src/dorkbox/util/input/windows/WindowsTerminal.java b/Dorkbox-Util/src/dorkbox/util/input/windows/WindowsTerminal.java deleted file mode 100644 index 7b6f652..0000000 --- a/Dorkbox-Util/src/dorkbox/util/input/windows/WindowsTerminal.java +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Copyright (c) 2002-2012, the original author or authors. - * - * This software is distributable under the BSD license. See the terms of the - * BSD license in the documentation provided with this software. - * - * http://www.opensource.org/licenses/bsd-license.php - */ -package dorkbox.util.input.windows; - -import java.io.IOException; -import java.io.PrintStream; - -import org.fusesource.jansi.internal.Kernel32.INPUT_RECORD; -import org.fusesource.jansi.internal.Kernel32.KEY_EVENT_RECORD; -import org.fusesource.jansi.internal.WindowsSupport; - -import dorkbox.util.input.Terminal; - -/** - * Terminal implementation for Microsoft Windows. Terminal initialization in - * {@link #init} is accomplished by calling the Win32 APIs SetConsoleMode and - * GetConsoleMode to - * disable character echoing. - *

- * @since 2.0 (customized) - */ -public class WindowsTerminal extends Terminal { - private volatile int originalMode; - private final PrintStream out; - - public WindowsTerminal() { - this.out = System.out; - } - - @Override - public final void init() throws IOException { - this.originalMode = WindowsSupport.getConsoleMode(); - - // Must set these four modes at the same time to make it work fine. - WindowsSupport.setConsoleMode(this.originalMode | - ConsoleMode.ENABLE_LINE_INPUT.code | - ConsoleMode.ENABLE_ECHO_INPUT.code | - ConsoleMode.ENABLE_PROCESSED_INPUT.code | - ConsoleMode.ENABLE_WINDOW_INPUT.code); - } - - /** - * Restore the original terminal configuration, which can be used when - * shutting down the console reader. The ConsoleReader cannot be - * used after calling this method. - */ - @Override - public final void restore() throws IOException { - // restore the old console mode - WindowsSupport.setConsoleMode(this.originalMode); - } - - @Override - public final int getWidth() { - int w = WindowsSupport.getWindowsTerminalWidth(); - return w < 1 ? DEFAULT_WIDTH : w; - } - - @Override - public final int getHeight() { - int h = WindowsSupport.getWindowsTerminalHeight(); - return h < 1 ? DEFAULT_HEIGHT : h; - } - - @Override - public final int read() { - int input = readInput(); - - if (isEchoEnabled()) { - char asChar = (char) input; - if (asChar == '\n') { - this.out.println(); - } else { - this.out.print(asChar); - } - // have to flush, otherwise we'll never see the chars on screen - this.out.flush(); - } - - return input; - } - - private final int readInput() { - // this HOOKS the input event, and prevents it from going to the console "proper" - try { - INPUT_RECORD[] events = null; - while (true) { - // we ALWAYS read until we have an event we care about! - events = WindowsSupport.readConsoleInput(1); - - if (events != null) { - for (int i = 0; i < events.length; i++ ) { - KEY_EVENT_RECORD keyEvent = events[i].keyEvent; - //Log.trace(keyEvent.keyDown? "KEY_DOWN" : "KEY_UP", "key code:", keyEvent.keyCode, "char:", (long)keyEvent.uchar); - if (keyEvent.keyDown) { - if (keyEvent.uchar > 0) { - char uchar = keyEvent.uchar; - if (uchar == '\r') { - // we purposefully swallow input after \r, and substitute it with \n - return '\n'; - } - - return uchar; - } - } - } - } - } - } catch (IOException e) { - this.logger.error("Windows console input error: ", e); - } - - return -1; - } -}