/**
* Runs the pub command.
*
* @return the result of running the pub command
*/
public IStatus runSilent(IProgressMonitor monitor) {
try {
// Build the process description to run pub
DartSdk sdk = DartSdkManager.getManager().getSdk();
File pubFile = sdk.getPubExecutable();
ProcessBuilder builder = new ProcessBuilder();
builder.directory(container.getLocation().toFile());
builder.redirectErrorStream(true);
List<String> args = new ArrayList<String>();
if (DartCore.isMac()) {
args.add("/bin/bash");
args.add("--login");
args.add("-c");
args.add("\"" + pubFile.getAbsolutePath() + "\"" + " " + command);
} else {
args.add(pubFile.getAbsolutePath());
args.add(command);
}
builder.command(args);
// Run the pub command as an external process.
ProcessRunner runner = newProcessRunner(builder);
try {
runner.runSync(monitor);
} catch (IOException e) {
String message = NLS.bind(PubMessages.RunPubJob_failed, command, e.toString());
return new Status(IStatus.CANCEL, DartCore.PLUGIN_ID, message, e);
}
StringBuilder stringBuilder = new StringBuilder();
if (!runner.getStdOut().isEmpty()) {
stringBuilder.append(runner.getStdOut().trim() + "\n"); // $NON-NLS-1$
}
int exitCode = runner.getExitCode();
if (exitCode != 0) {
String output = "[" + exitCode + "] " + stringBuilder.toString();
String message = NLS.bind(PubMessages.RunPubJob_failed, command, output);
return new Status(IStatus.ERROR, DartCore.PLUGIN_ID, message);
}
try {
// Refresh the Eclipse resources
container.refreshLocal(IResource.DEPTH_INFINITE, monitor);
} catch (CoreException e) {
// Log the exception and move on
DartCore.logError("Exception refreshing " + container, e);
}
return new Status(IStatus.OK, DartCore.PLUGIN_ID, stringBuilder.toString());
} catch (OperationCanceledException exception) {
String message = NLS.bind(PubMessages.RunPubJob_canceled, command);
return new Status(IStatus.CANCEL, DartCore.PLUGIN_ID, message, exception);
} finally {
monitor.done();
}
}
/**
* Run the formatter on the given input source.
*
* @param source the source to pass to the formatter
* @param selection the selection info to pass into the formatter
* @param monitor the monitor for displaying progress
* @throws IOException if an exception was thrown during execution
* @throws CoreException if an exception occurs in file refresh
* @return the formatted source (or null in case formatting could not be executed)
*/
public static FormattedSource format(
final String source, final Point selection, IProgressMonitor monitor)
throws IOException, CoreException {
File dartfmt = DartSdkManager.getManager().getSdk().getDartFmtExecutable();
if (!dartfmt.canExecute()) {
return null;
}
if (source.length() == 0) {
FormattedSource result = new FormattedSource();
result.source = source;
return result;
}
ProcessBuilder builder = new ProcessBuilder();
List<String> args = new ArrayList<String>();
args.add(dartfmt.getPath());
if (selection != null) {
args.add(ARGS_SOURCE_FLAG + " " + selection.x + "," + selection.y);
}
args.add(ARGS_MAX_LINE_LEN_FLAG);
if (getMaxLineLengthEnabled() && getMaxLineLength().length() > 0) {
args.add(getMaxLineLength());
} else {
args.add("Infinity");
}
args.add(ARGS_INDENT_FLAG);
args.add(getInsertSpacesForTabs() ? getSpacesPerIndent() : "tab");
if (getPerformTransforms()) {
args.add(ARGS_TRANSFORMS_FLAG);
}
args.add(ARGS_MACHINE_FORMAT_FLAG);
builder.command(args);
builder.redirectErrorStream(true);
ProcessRunner runner =
new ProcessRunner(builder) {
@Override
protected void processStarted(Process process) throws IOException {
BufferedWriter writer =
new BufferedWriter(
new OutputStreamWriter(process.getOutputStream(), "UTF-8"), source.length());
writer.append(source);
writer.close();
}
};
runner.runSync(monitor);
StringBuilder sb = new StringBuilder();
if (!runner.getStdOut().isEmpty()) {
sb.append(runner.getStdOut());
}
// TODO (pquitslund): better error handling
if (runner.getExitCode() != 0) {
sb.append(runner.getStdErr());
throw new IOException(sb.toString());
}
String formattedSource = sb.toString();
try {
JSONObject json = new JSONObject(formattedSource);
String sourceString = (String) json.get(JSON_SOURCE_KEY);
JSONObject selectionJson = (JSONObject) json.get(JSON_SELECTION_KEY);
// TODO (pquitslund): figure out why we (occasionally) need to remove an extra trailing
// NEWLINE
if (sourceString.endsWith("\n\n")) {
sourceString = sourceString.substring(0, sourceString.length() - 1);
}
FormattedSource result = new FormattedSource();
result.source = sourceString;
result.selectionOffset = selectionJson.getInt(JSON_OFFSET_KEY);
result.selectionLength = selectionJson.getInt(JSON_LENGTH_KEY);
return result;
} catch (JSONException e) {
DartToolsPlugin.log(e);
throw new IOException(e);
}
}