Jansi native pty support, fixes #102

terminal-jansi/pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright (c) 2002-2016, the original author or authors.
+    Copyright (c) 2002-2017, 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.

terminal-jansi/src/main/java/org/jline/terminal/impl/jansi/JansiNativePty.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2002-2017, 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 org.jline.terminal.impl.jansi;
+
+import org.fusesource.jansi.internal.CLibrary;
+import org.jline.terminal.Attributes;
+import org.jline.terminal.Size;
+import org.jline.terminal.spi.Pty;
+import org.jline.utils.OSUtils;
+
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import static org.fusesource.jansi.internal.CLibrary.TCSANOW;
+import static org.jline.utils.ExecHelper.exec;
+
+public abstract class JansiNativePty implements Pty {
+
+    private final int master;
+    private final int slave;
+    private final String name;
+    private final FileDescriptor masterFD;
+    private final FileDescriptor slaveFD;
+
+    public JansiNativePty(int master, FileDescriptor masterFD, int slave, FileDescriptor slaveFD, String name) {
+        this.master = master;
+        this.slave = slave;
+        this.name = name;
+        this.masterFD = masterFD;
+        this.slaveFD = slaveFD;
+    }
+
+    protected static String ttyname() throws IOException {
+        String name = exec(true, OSUtils.TTY_COMMAND);
+        return name.trim();
+    }
+
+    @Override
+    public void close() throws IOException {
+        if (master > 0) {
+            getMasterInput().close();
+        }
+        if (slave > 0) {
+            getSlaveInput().close();
+        }
+    }
+
+    public int getMaster() {
+        return master;
+    }
+
+    public int getSlave() {
+        return slave;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public FileDescriptor getMasterFD() {
+        return masterFD;
+    }
+
+    public FileDescriptor getSlaveFD() {
+        return slaveFD;
+    }
+
+    public InputStream getMasterInput() {
+        return new FileInputStream(getMasterFD());
+    }
+
+    public OutputStream getMasterOutput() {
+        return new FileOutputStream(getMasterFD());
+    }
+
+    public InputStream getSlaveInput() {
+        return new FileInputStream(getSlaveFD());
+    }
+
+    public OutputStream getSlaveOutput() {
+        return new FileOutputStream(getSlaveFD());
+    }
+
+
+    @Override
+    public Attributes getAttr() throws IOException {
+        CLibrary.Termios tios = new CLibrary.Termios();
+        CLibrary.tcgetattr(slave, tios);
+        return toAttributes(tios);
+    }
+
+    @Override
+    public void setAttr(Attributes attr) throws IOException {
+        CLibrary.Termios tios = toTermios(attr);
+        CLibrary.tcsetattr(slave, TCSANOW, tios);
+    }
+
+    @Override
+    public Size getSize() throws IOException {
+        CLibrary.WinSize sz = new CLibrary.WinSize();
+        CLibrary.ioctl(slave, CLibrary.TIOCGWINSZ, sz);
+        return new Size(sz.ws_col, sz.ws_row);
+    }
+
+    @Override
+    public void setSize(Size size) throws IOException {
+        CLibrary.WinSize sz = new CLibrary.WinSize((short) size.getRows(), (short) size.getColumns());
+        CLibrary.ioctl(slave, CLibrary.TIOCSWINSZ, sz);
+    }
+
+    protected abstract CLibrary.Termios toTermios(Attributes t);
+
+    protected abstract Attributes toAttributes(CLibrary.Termios tios);
+
+
+}

terminal-jansi/src/main/java/org/jline/terminal/impl/jansi/JansiSupportImpl.java

@@ -1,12 +1,44 @@
+/*
+ * Copyright (c) 2002-2017, 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 org.jline.terminal.impl.jansi;
 
 import org.jline.terminal.Terminal;
+import org.jline.terminal.impl.jansi.freebsd.FreeBsdNativePty;
+import org.jline.terminal.impl.jansi.linux.LinuxNativePty;
+import org.jline.terminal.impl.jansi.osx.OsXNativePty;
+import org.jline.terminal.impl.jansi.solaris.SolarisNativePty;
+import org.jline.terminal.impl.jansi.win.JansiWinSysTerminal;
 import org.jline.terminal.spi.JansiSupport;
+import org.jline.terminal.spi.Pty;
 
 import java.io.IOException;
 
 public class JansiSupportImpl implements JansiSupport {
 
+    @Override
+    public Pty current() throws IOException {
+        String osName = System.getProperty("os.name");
+        if (osName.startsWith("Linux")) {
+            return LinuxNativePty.current();
+        }
+        else if (osName.startsWith("Mac") || osName.startsWith("Darwin")) {
+            return OsXNativePty.current();
+        }
+        else if (osName.startsWith("Solaris") || osName.startsWith("SunOS")) {
+            return SolarisNativePty.current();
+        }
+        else if (osName.startsWith("FreeBSD")) {
+            return FreeBsdNativePty.current();
+        }
+        throw new UnsupportedOperationException();
+    }
+
     @Override
     public Terminal winSysTerminal(String name, boolean nativeSignals, Terminal.SignalHandler signalHandler) throws IOException {
             return new JansiWinSysTerminal(name, nativeSignals, signalHandler);