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437 lines (358 loc) · 14.6 KB
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-19 The Processing Foundation
Copyright (c) 2008-12 Ben Fry and Casey Reas
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);
}
}