processing4_cpp/java/src/processing/mode/java/Commander.java at main · pepc84/processing4_cpp · GitHub

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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

Part of the Processing project - http://processing.org

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation,

Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package processing.mode.java;

import java.io.File;

import java.io.IOException;

import java.io.PrintStream;

import java.nio.charset.StandardCharsets;

import processing.app.Base;

import processing.app.Platform;

import processing.app.Preferences;

import processing.app.RunnerListener;

import processing.app.Settings;

import processing.app.Sketch;

import processing.utils.SketchException;

import processing.app.Util;

import processing.app.contrib.ModeContribution;

import processing.core.PApplet;

import processing.data.StringDict;

import processing.mode.java.runner.Runner;

/**

* Class to handle running Processing from the command line.

public class Commander implements RunnerListener {

static final String helpArg = "--help";

// static final String preprocArg = "--preprocess";

static final String buildArg = "--build";

static final String runArg = "--run";

static final String presentArg = "--present";

static final String sketchArg = "--sketch=";

static final String forceArg = "--force";

static final String outputArg = "--output=";

static final String exportApplicationArg = "--export";

static final String noJavaArg = "--no-java";

// static final String platformArg = "--platform=";

// static final String bitsArg = "--bits=";

// static final String preferencesArg = "--preferences=";

static final String variantArg = "--variant=";

static final int HELP = -1;

// static final int PREPROCESS = 0;

static final int BUILD = 1;

static final int RUN = 2;

static final int PRESENT = 3;

static final int EXPORT = 4;

Sketch sketch;

PrintStream systemOut;

PrintStream systemErr;

public Commander(String[] args) {

String sketchPath = null;

File sketchFolder = null;

String pdePath = null; // path to the .pde file

String outputPath = null;

File outputFolder = null;

boolean outputSet = false; // set an output folder

boolean force = false; // replace that no good output folder

// String preferencesPath = null;

// int platform = PApplet.platform; // default to this platform

// int platformBits = Base.getNativeBits();

String variant = Platform.getVariant();

int task = HELP;

boolean embedJava = true;

if (Platform.isWindows()) {

// On Windows, it needs to use the default system encoding.

// https://github.com/processing/processing/issues/1633

systemOut = new PrintStream(System.out, true);

systemErr = new PrintStream(System.err, true);

} else {

// OS X formerly used MacRoman or something else useless.

// (Not sure about Linux, but this has worked since 2.0)

// https://github.com/processing/processing/issues/1456

systemOut = new PrintStream(System.out, true, StandardCharsets.UTF_8);

systemErr = new PrintStream(System.err, true, StandardCharsets.UTF_8);

}

int argOffset = 0;

for (String arg : args) {

argOffset++;

if (arg.length() == 0) {

// ignore it, just the crappy shell script

} else if (arg.equals(helpArg)) {

// mode already set to HELP

// } else if (arg.equals(preprocArg)) {

// task = PREPROCESS;

} else if (arg.equals(buildArg)) {

task = BUILD;

break;

} else if (arg.equals(runArg)) {

task = RUN;

break;

} else if (arg.equals(presentArg)) {

task = PRESENT;

break;

} else if (arg.equals(exportApplicationArg)) {

task = EXPORT;

break;

} else if (arg.equals(noJavaArg)) {

embedJava = false;

} else if (arg.startsWith("--platform")) {

complainAndQuit("Use --variant instead of --platform with Processing 4.", true);

} else if (arg.startsWith(variantArg)) {

variant = arg.substring(variantArg.length());

} else if (arg.startsWith(sketchArg)) {

sketchPath = arg.substring(sketchArg.length());

sketchFolder = new File(sketchPath);

if (!sketchFolder.exists()) {

complainAndQuit(sketchFolder + " does not exist.", false);

}

// Check for main file in sketch.properties first, then fall back to default

File pdeFile = null;

try {

Settings props = new Settings(new File(sketchFolder, "sketch.properties"));

String mainFileName = props.get("main");

if (mainFileName != null) {

pdeFile = new File(sketchFolder, mainFileName);

}

} catch (IOException e) {

// sketch.properties doesn't exist or couldn't be read, will use default

}

// Fall back to default naming convention if no custom main file specified

if (pdeFile == null || !pdeFile.exists()) {

pdeFile = new File(sketchFolder, sketchFolder.getName() + ".pde");

}

if (!pdeFile.exists()) {

complainAndQuit("Not a valid sketch folder. " + pdeFile + " does not exist.", true);

}

pdePath = pdeFile.getAbsolutePath();

// } else if (arg.startsWith(preferencesArg)) {

// preferencesPath = arg.substring(preferencesArg.length());

} else if (arg.startsWith(outputArg)) {

outputSet = true;

outputPath = arg.substring(outputArg.length());

} else if (arg.equals(forceArg)) {

force = true;

} else {

complainAndQuit("I don't know anything about " + arg + ".", true);

}

String[] sketchArgs = PApplet.subset(args, argOffset);

if (task == HELP) {

printCommandLine(systemOut);

System.exit(0);

}

if (outputSet) {

if (outputPath == null) {

complainAndQuit("An output path must be specified.", true);

}

outputFolder = new File(outputPath);

if (outputFolder.exists()) {

if (force) {

Util.removeDir(outputFolder);

} else {

complainAndQuit("The output folder already exists. " +

"Use --force to remove it.", false);

}

if (!outputFolder.mkdirs()) {

complainAndQuit("Could not create the output folder.", false);

}

// // run static initialization that grabs all the prefs

// // (also pass in a prefs path if that was specified)

// if (preferencesPath != null) {

// Preferences.init(preferencesPath);

// }

Preferences.init();

Base.locateSketchbookFolder();

if (sketchPath == null) {

complainAndQuit("No sketch path specified.", true);

// } else if (!pdePath.toLowerCase().endsWith(".pde")) {

// complainAndQuit("Sketch path must point to the main .pde file.", false);

} else {

if (outputSet) {

if (outputPath.equals(sketchPath)) {

complainAndQuit("The sketch path and output path cannot be identical.", false);

}

boolean success = false;

JavaMode javaMode = (JavaMode)

ModeContribution.load(null, Platform.getContentFile("modes/java"),

"processing.mode.java.JavaMode").getMode();

try {

sketch = new Sketch(pdePath, javaMode);

if (!outputSet) {

outputFolder = sketch.makeTempFolder();

}

if (task == BUILD || task == RUN || task == PRESENT) {

JavaBuild build = new JavaBuild(sketch);

File srcFolder = new File(outputFolder, "source");

String className = build.build(srcFolder, outputFolder, true);

// String className = build.build(sketchFolder, outputFolder, true);

if (className != null) {

success = true;

if (task == RUN || task == PRESENT) {

Runner runner = new Runner(build, this);

if (task == PRESENT) {

runner.present(sketchArgs);

} else {

runner.launch(sketchArgs);

}

success = !runner.vmReturnedError();

}

} else {

success = false;

}

} else if (task == EXPORT) {

if (outputPath == null) {

javaMode.handleExportApplication(sketch);

} else {

JavaBuild build = new JavaBuild(sketch);

build.build(true);

if (build != null) {

success = build.exportApplication(outputFolder, variant, embedJava);

}

if (!success) { // error already printed

System.exit(1);

}

systemOut.println("Finished.");

System.exit(0);

} catch (SketchException re) {

statusError(re);

System.exit(1);

} catch (IOException e) {

e.printStackTrace();

System.exit(1);

}

public void statusNotice(String message) {

systemErr.println(message);

}

public void statusError(String message) {

systemErr.println(message);

}

public void statusError(Exception exception) {

if (exception instanceof SketchException) {

SketchException re = (SketchException) exception;

int codeIndex = re.getCodeIndex();

if (codeIndex != -1) {

// format the runner exception like emacs

//blah.java:2:10:2:13: Syntax Error: This is a big error message

// Emacs doesn't like the double line thing coming from Java

// https://github.com/processing/processing/issues/2158

String filename = sketch.getCode(codeIndex).getFileName();

int line = re.getCodeLine() + 1;

int column = re.getCodeColumn() + 1;

//if (column == -1) column = 0;

// TODO if column not specified, should just select the whole line.

// But what's the correct syntax for that?

systemErr.println(filename + ":" +

line + ":" + column + ":" +

line + ":" + column + ":" + " " + re.getMessage());

} else { // no line number, pass the trace along to the user

exception.printStackTrace();

}

} else {

exception.printStackTrace();

}

void complainAndQuit(String lastWords, boolean schoolEmFirst) {

if (schoolEmFirst) {

printCommandLine(systemErr);

}

systemErr.println(lastWords);

System.exit(1);

}

static void printCommandLine(PrintStream out) {

out.println();

out.println("Command line edition for Processing " + Base.getVersionName() + " (Java Mode)");

out.println();

out.println("--help Show this help text. Congratulations.");

out.println();

out.println("--sketch=<name> Specify the sketch folder (required)");

out.println("--output=<name> Specify the output folder (optional and");

out.println(" cannot be the same as the sketch folder.)");

out.println();

out.println("--force The sketch will not build if the output");

out.println(" folder already exists, because the contents");

out.println(" will be replaced. This option erases the");

out.println(" folder first. Use with extreme caution!");

out.println();

out.println("--build Preprocess and compile a sketch into .class files.");

out.println("--run Preprocess, compile, and run a sketch.");

out.println("--present Preprocess, compile, and run a sketch in presentation mode.");

out.println();

out.println("--export Export an application.");

// out.println("--platform Specify the platform (export to application only).");

// out.println(" Should be one of 'windows', 'macosx', or 'linux'.");

out.println("--variant Specify the platform and architecture (Export only).");

out.println("--no-java Do not embed Java.");

out.println();

out.println("Starting with 4.0, the --platform option has been removed");

out.println("because of the variety of platforms and architectures now available.");

out.println("Use the --variant option instead, for instance:");

out.println();

out.println("platform variant");

out.println("--------------------------- -------------");

out.println("macOS (Intel 64-bit) macos-x86_64");

out.println("macOS (Apple Silicon) macos-aarch64");

out.println("Windows (Intel 64-bit) windows-amd64");

out.println("Linux (Intel 64-bit) linux-amd64");

out.println("Linux (Raspberry Pi 32-bit) linux-arm");

out.println("Linux (Raspberry Pi 64-bit) linux-aarch64");

out.println("variant platform");

out.println("------------- ---------------------------");

StringDict variants = Platform.getSupportedVariants();

for (String key : variants.keys()) {

out.print(key);

int spaces = 15 - key.length(); // 13 dashes, two spaces

for (int i = 0; i < spaces; i++) {

System.out.print(" ");

}

System.out.println(variants.get(key));

}

out.println();

out.println("The --build, --run, --present, or --export must be the final parameter");

out.println("passed to Processing. Arguments passed following one of those four will");

out.println("be passed through to the sketch itself, and therefore available to the");

out.println("sketch via the 'args' field. To pass options understood by PApplet.main(),");

out.println("write a custom main() method so that the preprocessor does not add one.");

out.println("https://github.com/processing/processing4/wiki/Command-Line");

out.println();

}

@Override

public void startIndeterminate() { }

@Override

public void stopIndeterminate() { }

@Override

public void statusHalt() { }

@Override

public boolean isHalted() {

return false;

}

static public void main(String[] args) {

// Do this early so that error messages go to the console

Base.setCommandLine();

// init the platform so that prefs and other native code is ready to go

Platform.init();

// launch command line handler

new Commander(args);

}

processing4_cpp/java/src/processing/mode/java/Commander.java at main · pepc84/processing4_cpp · GitHub

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