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@@ -2,3 +2,4 @@ out/ | |
| .bsp/ | ||
| .metals/ | ||
| .vscode/ | ||
| .idea/ | ||
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24 changes: 0 additions & 24 deletions
24
jni-graalvm/src/io/github/alexarchambault/windowsansi/WindowsAnsiSubstitutions.java
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8 changes: 8 additions & 0 deletions
8
native-graalvm/src/io/github/alexarchambault/windowsansi/Placeholder.java
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| @@ -0,0 +1,8 @@ | ||
| package io.github.alexarchambault.windowsansi; | ||
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| /** | ||
| * Empty public class to make javadoc happy | ||
| */ | ||
| public final class Placeholder { | ||
| private Placeholder() {} | ||
| } |
54 changes: 54 additions & 0 deletions
54
native/src/io/github/alexarchambault/nativeterm/NativeTerminal.java
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| package io.github.alexarchambault.nativeterm; | ||
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| import io.github.alexarchambault.isterminal.IsTerminal; | ||
| import io.github.alexarchambault.nativeterm.internal.UnixTerm; | ||
| import io.github.alexarchambault.nativeterm.internal.WindowsTerm; | ||
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| import java.io.IOException; | ||
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| /** | ||
| * Use these methods to query the terminal size and enable ANSI output in it | ||
| */ | ||
| public final class NativeTerminal { | ||
| private NativeTerminal() {} | ||
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| final static boolean isWindows; | ||
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| static { | ||
| isWindows = System.getProperty("os.name") | ||
| .toLowerCase(java.util.Locale.ROOT) | ||
| .contains("windows"); | ||
| } | ||
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| /** | ||
| * Gets the terminal size | ||
| * | ||
| * This uses an {@code ioctl} call on Linux / Mac, and a {@code kernel32.dll} method | ||
| * on Windows. Both are done via JNI, using libraries that ship with jansi. | ||
| * | ||
| * @return the terminal size | ||
| */ | ||
| public static TerminalSize getSize() { | ||
| if (isWindows) | ||
| return WindowsTerm.getSize(); | ||
| return UnixTerm.getSize(true); | ||
| } | ||
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| /** | ||
| * Enables ANSI terminal output (only needed on Windows) | ||
| * | ||
| * It is safe to call this method on non-Windows systems. It simply | ||
| * returns true in that case. | ||
| * | ||
| * Under-the-hood, this calls a {@code kernel32.dll} method, via JNI, | ||
| * using libraries that ship with jansi. | ||
| * | ||
| * @throws IOException if anything goes wrong | ||
| * @return Whether ANSI output is enabled | ||
| */ | ||
| public static boolean setupAnsi() throws IOException { | ||
| if (isWindows && IsTerminal.isTerminal()) | ||
| return WindowsTerm.setupAnsi(); | ||
| return true; | ||
| } | ||
| } |
71 changes: 71 additions & 0 deletions
71
native/src/io/github/alexarchambault/nativeterm/NativeTerminalFallbacks.java
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| package io.github.alexarchambault.nativeterm; | ||
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| import io.github.alexarchambault.isterminal.IsTerminal; | ||
| import io.github.alexarchambault.nativeterm.internal.ScriptRunner; | ||
| import io.github.alexarchambault.nativeterm.internal.WindowsTermScripts; | ||
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| import java.io.IOException; | ||
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| import static io.github.alexarchambault.nativeterm.NativeTerminal.isWindows; | ||
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| /** | ||
| * Methods to query the terminal size and enable ANSI output in it like in {@link NativeTerminal} | ||
| */ | ||
| public final class NativeTerminalFallbacks { | ||
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| private NativeTerminalFallbacks() {} | ||
|
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| /** | ||
| * Gets the terminal size | ||
| * | ||
| * This runs {@code tput} via an external process on Linux / Mac, and runs | ||
| * a PowerShell script that calls {@code kernel32.dll} methods on Windows | ||
| * | ||
| * @throws InterruptedException if the PowerShell sub-process gets interrupted | ||
| * @throws IOException if anything goes wrong | ||
| * @return the terminal size | ||
| */ | ||
| public static TerminalSize getSize() throws InterruptedException, IOException { | ||
| if (!IsTerminal.isTerminal()) | ||
| throw new IllegalArgumentException("Cannot get terminal size without a terminal"); | ||
| if (isWindows) { | ||
| String output = ScriptRunner.runPowerShellScript(WindowsTermScripts.getConsoleDimScript).trim(); | ||
| String[] lines = output.split("\\r?\\n"); | ||
| String lastLine = lines[lines.length - 1]; | ||
| if (lastLine.startsWith("Error:")) | ||
| throw new IOException(lastLine); | ||
| if (lastLine.startsWith("Size: ")) { | ||
| lastLine = lastLine.substring("Size: ".length()); | ||
| String[] split = lastLine.split("\\s+"); | ||
| return new TerminalSize(Integer.parseInt(split[0]), Integer.parseInt(split[1])); | ||
| } | ||
| throw new IOException("Invalid output from PowerShell script that gets terminal size: '" + output + "'"); | ||
| } | ||
| else { | ||
| return new TerminalSize(ScriptRunner.runTput("cols"), ScriptRunner.runTput("lines")); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Enables ANSI terminal output (only needed on Windows) | ||
| * | ||
| * It is safe to call this method on non-Windows systems. It simply | ||
| * returns true in that case. | ||
| * | ||
| * Under-the-hood, this calls a {@code kernel32.dll} method, via a PowerShell script, | ||
| * run in an external process. | ||
| * | ||
| * @throws IOException if anything goes wrong | ||
| * @throws InterruptedException if the PowerShell sub-process gets interrupted | ||
| * @return Whether ANSI output is enabled | ||
| */ | ||
| public static boolean setupAnsi() throws InterruptedException, IOException { | ||
| if (isWindows && IsTerminal.isTerminal()) { | ||
| String output = ScriptRunner.runPowerShellScript(WindowsTermScripts.enableAnsiScript); | ||
| String[] lines = output.split("\\r?\\n"); | ||
| String lastLine = lines[lines.length - 1]; | ||
| return Boolean.parseBoolean(lastLine); | ||
| } | ||
| return true; | ||
| } | ||
| } |
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