jruby/core/src/main/java/org/jruby/RubyArgsFile.java at master · jruby/jruby · GitHub

History

1041 lines (831 loc) · 39.9 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

557

558

559

560

561

562

563

564

565

566

567

568

569

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

590

591

592

593

594

595

596

597

598

599

600

601

602

603

604

605

606

607

608

609

610

611

612

613

614

615

616

617

618

619

620

621

622

623

624

625

626

627

628

629

630

631

632

633

634

635

636

637

638

639

640

641

642

643

644

645

646

647

648

649

650

651

652

653

654

655

656

657

658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674

675

676

677

678

679

680

681

682

683

684

685

686

687

688

689

690

691

692

693

694

695

696

697

698

699

700

701

702

703

704

705

706

707

708

709

710

711

712

713

714

715

716

717

718

719

720

721

722

723

724

725

726

727

728

729

730

731

732

733

734

735

736

737

738

739

740

741

742

743

744

745

746

747

748

749

750

751

752

753

754

755

756

757

758

759

760

761

762

763

764

765

766

767

768

769

770

771

772

773

774

775

776

777

778

779

780

781

782

783

784

785

786

787

788

789

790

791

792

793

794

795

796

797

798

799

800

801

802

803

804

805

806

807

808

809

810

811

812

813

814

815

816

817

818

819

820

821

822

823

824

825

826

827

828

829

830

831

832

833

834

835

836

837

838

839

840

841

842

843

844

845

846

847

848

849

850

851

852

853

854

855

856

857

858

859

860

861

862

863

864

865

866

867

868

869

870

871

872

873

874

875

876

877

878

879

880

881

882

883

884

885

886

887

888

889

890

891

892

893

894

895

896

897

898

899

900

901

902

903

904

905

906

907

908

909

910

911

912

913

914

915

916

917

918

919

920

921

922

923

924

925

926

927

928

929

930

931

932

933

934

935

936

937

938

939

940

941

942

943

944

945

946

947

948

949

950

951

952

953

954

955

956

957

958

959

960

961

962

963

964

965

966

967

968

969

970

971

972

973

974

975

976

977

978

979

980

981

982

983

984

985

986

987

988

989

990

991

992

993

994

995

996

997

998

999

1000

/***** BEGIN LICENSE BLOCK *****

* Version: EPL 2.0/GPL 2.0/LGPL 2.1

* The contents of this file are subject to the Eclipse Public

* License Version 2.0 (the "License"); you may not use this file

* except in compliance with the License. You may obtain a copy of

* the License at http://www.eclipse.org/legal/epl-v20.html

* Software distributed under the License is distributed on an "AS

* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

* implied. See the License for the specific language governing

* rights and limitations under the License.

* Alternatively, the contents of this file may be used under the terms of

* either of the GNU General Public License Version 2 or later (the "GPL"),

* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

* in which case the provisions of the GPL or the LGPL are applicable instead

* of those above. If you wish to allow use of your version of this file only

* under the terms of either the GPL or the LGPL, and not to allow others to

* use your version of this file under the terms of the EPL, indicate your

* decision by deleting the provisions above and replace them with the notice

* and other provisions required by the GPL or the LGPL. If you do not delete

* the provisions above, a recipient may use your version of this file under

* the terms of any one of the EPL, the GPL or the LGPL.

***** END LICENSE BLOCK *****/

package org.jruby;

import jnr.posix.FileStat;

import jnr.posix.util.Platform;

import org.jruby.anno.JRubyMethod;

import org.jruby.exceptions.RaiseException;

import org.jruby.internal.runtime.GlobalVariable;

import org.jruby.internal.runtime.GlobalVariables;

import org.jruby.internal.runtime.ValueAccessor;

import org.jruby.runtime.Arity;

import org.jruby.runtime.Block;

import org.jruby.runtime.CallSite;

import org.jruby.runtime.IAccessor;

import org.jruby.runtime.JavaSites;

import org.jruby.runtime.ThreadContext;

import org.jruby.runtime.builtin.IRubyObject;

import org.jruby.util.ByteList;

import org.jruby.util.StringSupport;

import org.jruby.util.TypeConverter;

import org.jruby.util.io.Getline;

import java.io.File;

import java.io.IOException;

import static org.jruby.RubyArgsFile.Next.NextFile;

import static org.jruby.RubyArgsFile.Next.Stream;

import static org.jruby.RubyEnumerator.enumeratorize;

import static org.jruby.anno.FrameField.LASTLINE;

import static org.jruby.api.Access.argsFile;

import static org.jruby.api.Access.fileClass;

import static org.jruby.api.Access.globalVariables;

import static org.jruby.api.Access.instanceConfig;

import static org.jruby.api.Access.objectClass;

import static org.jruby.api.Access.stringClass;

import static org.jruby.api.Convert.asBoolean;

import static org.jruby.api.Convert.asFixnum;

import static org.jruby.api.Convert.asSymbol;

import static org.jruby.api.Convert.toByte;

import static org.jruby.api.Convert.toInt;

import static org.jruby.api.Convert.toLong;

import static org.jruby.api.Create.newArray;

import static org.jruby.api.Create.newEmptyArray;

import static org.jruby.api.Create.newEmptyString;

import static org.jruby.api.Create.newString;

import static org.jruby.api.Define.defineClass;

import static org.jruby.api.Error.argumentError;

import static org.jruby.api.Warn.warn;

import static org.jruby.runtime.ThreadContext.hasKeywords;

import static org.jruby.runtime.Visibility.PRIVATE;

public class RubyArgsFile extends RubyObject {

public RubyArgsFile(Ruby runtime, RubyClass metaClass) {

super(runtime, metaClass);

}

public static void initArgsFile(ThreadContext context, RubyModule Enumerable, GlobalVariables globals) {

var Object = objectClass(context);

RubyClass ARGF = defineClass(context, "ARGFClass", Object, RubyArgsFile::new).

include(context, Enumerable).

defineMethods(context, RubyArgsFile.class);

IRubyObject argsFile = ARGF.newInstance(context, new IRubyObject[] { null }, null);

context.runtime.setArgsFile(argsFile);

globals.defineReadonly("$<", new ArgsFileAccessor(context.runtime), GlobalVariable.Scope.GLOBAL);

Object.defineConstant(context, "ARGF", argsFile);

globals.defineReadonly("$FILENAME", new ValueAccessor(newString(context, "-")), GlobalVariable.Scope.GLOBAL);

}

private static class ArgsFileAccessor implements IAccessor {

private final Ruby runtime;

ArgsFileAccessor(Ruby runtime) { this.runtime = runtime; }

public IRubyObject getValue() {

return runtime.getArgsFile();

}

public IRubyObject setValue(IRubyObject newValue) {

throw new UnsupportedOperationException("Not supported yet.");

}

@JRubyMethod(name = "initialize", visibility = PRIVATE, rest = true)

public IRubyObject initialize(ThreadContext context, IRubyObject[] args) {

final var argv = args.length == 1 && args[0] == null ?

objectClass(context).getConstant(context, "ARGV").convertToArray() :

newArray(context, args);

// ARGF is intended to be a singleton from a Ruby perspective but it is still

// possible for someone to ARGF.class.new. We do still want a global view of

// ARGF otherwise getline and rewind in IO would have to keep track of the n

// instances in play. So all instances will share

var argsFile = argsFile(context);

if (argsFile == null) {

dataWrapStruct(new ArgsFileData(context.runtime, argv));

} else {

ArgsFileData data = (ArgsFileData) argsFile.dataGetStruct();

dataWrapStruct(data);

data.setArgs(argv);

}

return this;

}

public enum Next {

Stream, // We are only getting from $stdin

SameFile, // We are continuing to interact with the same file

NextFile // Time to advance to the next file.

}

public static final class ArgsFileData {

private final Ruby runtime;

private RubyArray argv;

public IRubyObject currentFile;

private boolean inited = false;

public Next next_p = NextFile;

public boolean binmode = false;

private IRubyObject inPlace; // false, nil, String

public ArgsFileData(Ruby runtime, RubyArray argv) {

this.runtime = runtime;

setArgs(argv);

this.currentFile = runtime.getNil();

}

// ARGF.class.new

void setArgs(RubyArray argv) {

inited = false;

this.argv = argv;

this.inPlace = runtime.getFalse();

}

public boolean next_argv(ThreadContext context) {

if (!inited) {

next_p = argv.getLength() > 0 ? NextFile : Stream;

inited = true;

runtime.setCurrentLine(0);

} else {

if (argv.isNil()) {

next_p = Stream;

} else if (next_p == Stream && argv.getLength() > 0) {

next_p = NextFile;

}

var globalVariables = globalVariables(context);

GlobalVariable $FILENAME = globalVariables.getVariable("$FILENAME");

if (next_p == NextFile) {

if (argv.getLength() > 0) {

RubyString filename = TypeConverter.convertToType(argv.shift(context), stringClass(context), "to_path").convertToString();

StringSupport.checkStringSafety(runtime, filename);

if ( ! filename.op_equal(context, $FILENAME.getAccessor().getValue()).isTrue() ) {

$FILENAME.forceValue(filename);

}

if (filenameEqlDash(filename)) {

currentFile = globalVariables.get("$stdin");

} else {

RubyIO currentFileIO = (RubyIO) RubyFile.open(context, fileClass(context), new IRubyObject[]{ filename }, Block.NULL_BLOCK);

currentFile = currentFileIO;

String extension = null;

if (inPlace.isTrue()) extension = inPlace.asJavaString();

if (extension == null) extension = instanceConfig(context).getInPlaceBackupExtension();

if (extension != null) {

if (Platform.IS_WINDOWS) {

inplaceEditWindows(context, currentFileIO, filename.asJavaString(), extension);

} else {

inplaceEdit(context, currentFileIO, filename.asJavaString(), extension);

}

if (binmode) {

currentFileIO.binmode(context);

}

next_p = Next.SameFile;

} else {

next_p = NextFile;

return false;

}

} else if (next_p == Stream) {

currentFile = globalVariables.get("$stdin");

if (!filenameEqlDash((RubyString) $FILENAME.getAccessor().getValue())) {

$FILENAME.forceValue(newString(context, "-"));

}

return true;

}

private static boolean filenameEqlDash(final RubyString filename) {

final ByteList filenameBytes = filename.getByteList();

return filenameBytes.length() == 1 && filenameBytes.get(0) == '-';

}

public static ArgsFileData getArgsFileData(Ruby runtime) {

return (ArgsFileData) runtime.getArgsFile().dataGetStruct();

}

private void createNewFile(File file) {

try {

file.createNewFile();

} catch (IOException ex) {

throw runtime.newIOErrorFromException(ex);

}

private void inplaceEditWindows(ThreadContext context, RubyIO argfIO, String filename, String extension) throws RaiseException {

File file = new File(filename);

if (!extension.isEmpty()) {

String backup = filename + extension;

File backupFile = new File(backup);

((RubyIO) currentFile).close(); // we can't rename a file while it's open in windows

backupFile.delete();

file.renameTo(backupFile);

currentFile = RubyFile.open(context, fileClass(context), //reopen

new IRubyObject[]{newString(context, backup)}, Block.NULL_BLOCK);

} else {

throw runtime.newIOError("Windows doesn't support inplace editing without a backup");

}

createNewFile(file);

IRubyObject writeIO = RubyFile.open(context, fileClass(context),

new IRubyObject[]{newString(context, filename), newString(context, "w")}, Block.NULL_BLOCK);

argfIO.getOpenFile().tiedIOForWriting = (RubyIO) writeIO;

globalVariables(context).set("$stdout", writeIO);

}

private void inplaceEdit(ThreadContext context, RubyIO argfIO, String filename, String extension) throws RaiseException {

File file = new File(filename);

var posix = context.runtime.getPosix();

FileStat stat = posix.stat(filename);

if (!extension.isEmpty()) {

file.renameTo(new File(filename + extension));

} else {

file.delete();

}

createNewFile(file);

posix.chmod(filename, stat.mode());

posix.chown(filename, stat.uid(), stat.gid());

IRubyObject writeIO = RubyFile.open(context, fileClass(context),

new IRubyObject[]{newString(context, filename), newString(context, "w")}, Block.NULL_BLOCK);

argfIO.getOpenFile().tiedIOForWriting = (RubyIO) writeIO;

globalVariables(context).set("$stdout", (RubyIO) writeIO);

}

public boolean isCurrentFile(RubyIO io) {

return currentFile == io;

}

@JRubyMethod

public static IRubyObject inplace_mode(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (data.inPlace == null) return context.nil;

if (data.inPlace.isNil()) return context.nil;

return data.inPlace.dup();

}

@JRubyMethod(name = "inplace_mode=")

public static IRubyObject inplace_mode_set(ThreadContext context, IRubyObject recv, IRubyObject test) {

return setInplaceMode(context, recv, test);

}

private static IRubyObject setInplaceMode(ThreadContext context, IRubyObject recv, IRubyObject test) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (test.isNil()) {

data.inPlace = context.nil;

} else if (!test.isTrue()) {

data.inPlace = context.fals;

} else {

test = TypeConverter.convertToType(test, stringClass(context), "to_str", false);

if (test.isNil() || ((RubyString) test).isEmpty()) {

data.inPlace = context.nil;

} else {

StringSupport.checkStringSafety(context.runtime, test);

test.setFrozen(true);

data.inPlace = test;

}

return recv;

}

@JRubyMethod(name = "inplace_mode=")

public IRubyObject inplace_mode_set(ThreadContext context, IRubyObject test) {

return setInplaceMode(context, this, test);

}

@JRubyMethod(name = "argv")

public static IRubyObject argv(ThreadContext context, IRubyObject recv) {

return ArgsFileData.getArgsFileData(context.runtime).argv;

}

@JRubyMethod(name = {"fileno", "to_i"})

public static IRubyObject fileno(ThreadContext context, IRubyObject recv) {

return getCurrentDataFile(context, "no stream").fileno(context);

}

@JRubyMethod(name = "to_io")

public static IRubyObject to_io(ThreadContext context, IRubyObject recv) {

return getCurrentDataFile(context, "no stream");

}

@JRubyMethod

public static IRubyObject set_encoding(ThreadContext context, IRubyObject recv, IRubyObject encoding) {

return getCurrentDataFile(context, "no stream to set encoding").set_encoding(context, encoding);

}

@JRubyMethod

public static IRubyObject set_encoding(ThreadContext context, IRubyObject recv, IRubyObject encoding, IRubyObject internalEncoding) {

return getCurrentDataFile(context, "no stream to set encoding").set_encoding(context, encoding, internalEncoding);

}

@JRubyMethod

public static IRubyObject set_encoding(ThreadContext context, IRubyObject recv, IRubyObject encoding, IRubyObject internalEncoding, IRubyObject options) {

return getCurrentDataFile(context, "no stream to set encoding").set_encoding(context, encoding, internalEncoding, options);

}

@JRubyMethod

public static IRubyObject internal_encoding(ThreadContext context, IRubyObject recv) {

return getCurrentDataFile(context, "no stream to set encoding").internal_encoding(context);

}

@JRubyMethod

public static IRubyObject external_encoding(ThreadContext context, IRubyObject recv) {

return getCurrentDataFile(context, "no stream to set encoding").external_encoding(context);

}

// MRI: argf_getline

private static IRubyObject argf_getline(ThreadContext context, final int callInfo, IRubyObject[] args) {

IRubyObject line;

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

while (true) {

if (!data.next_argv(context)) return context.nil;

RubyIO currentFile = (RubyIO) data.currentFile;

if (isGenericInput(context, data)) {

context.callInfo = callInfo; // restore callInfo for kwargs

line = data.currentFile.callMethod(context, "gets", args);

} else {

if (args.length == 0 && context.runtime.getRecordSeparatorVar().get() == globalVariables(context).getDefaultSeparator()) {

line = (currentFile).gets(context);

} else {

line = Getline.getlineCall(context, GETLINE, currentFile, currentFile.getReadEncoding(), hasKeywords(callInfo), args);

}

if (line.isNil() && data.next_p != Stream) {

argf_close(context, data.currentFile);

data.next_p = NextFile;

continue;

}

return line;

}

private static boolean isGenericInput(ThreadContext context, ArgsFileData data) {

return data.currentFile == globalVariables(context).get("$stdin") && !(data.currentFile instanceof RubyFile);

}

private static final Getline.Callback<RubyIO, IRubyObject> GETLINE =

(context, self, rs, limit, chomp, block) -> self.getlineImpl(context, rs, limit, chomp);

// ARGF methods

/** Read a line.

@JRubyMethod(name = "gets", optional = 1, keywords = true, checkArity = false, writes = LASTLINE)

public static IRubyObject gets(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

final int callInfo = ThreadContext.resetCallInfo(context);

Arity.checkArgumentCount(context, args, 0, 1);

return context.setLastLine(argf_getline(context, callInfo, args));

}

/** Read a line.

@JRubyMethod(name = "readline", optional = 1, keywords = true, checkArity = false, writes = LASTLINE)

public static IRubyObject readline(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

IRubyObject line = gets(context, recv, args);

if (line.isNil()) throw context.runtime.newEOFError();

return line;

}

@JRubyMethod(optional = 1, keywords = true, checkArity = false)

public static IRubyObject readlines(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

final int callInfo = ThreadContext.resetCallInfo(context);

Arity.checkArgumentCount(context, args, 0, 1);

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (!data.next_argv(context)) return newEmptyArray(context);

if (!(data.currentFile instanceof RubyIO)) {

// TODO do we need to restore callInfo here?

return data.currentFile.callMethod(context, "readlines", args);

}

var ary = newArray(context);

IRubyObject line;

while(!(line = argf_getline(context, callInfo, args)).isNil()) {

ary.append(context, line);

}

return ary;

}

@JRubyMethod(optional = 1, checkArity = false)

public static IRubyObject to_a(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

Arity.checkArgumentCount(context, args, 0, 1);

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (!data.next_argv(context)) return newEmptyArray(context);

if (!(data.currentFile instanceof RubyIO)) return data.currentFile.callMethod(context, "to_a", args);

var ary = newArray(context);

IRubyObject line;

while ((line = argf_getline(context, 0, args)) != context.nil) {

ary.append(context, line);

}

return ary;

}

@JRubyMethod

public static IRubyObject each_byte(final ThreadContext context, IRubyObject recv, final Block block) {

if (!block.isGiven()) return enumeratorize(context.runtime, recv, "each_byte");

IRubyObject bt;

while ((bt = getc(context, recv)) != context.nil) {

block.yield(context, bt);

}

return recv;

}

@JRubyMethod

public static IRubyObject each_byte(final ThreadContext context, IRubyObject recv, IRubyObject arg, final Block block) {

return block.isGiven() ? each_byte(context, recv, block) : enumeratorize(context.runtime, recv, "each_byte");

}

@JRubyMethod(optional = 1, checkArity = false)

public static IRubyObject bytes(final ThreadContext context, IRubyObject recv, IRubyObject[] args, final Block block) {

Arity.checkArgumentCount(context, args, 0, 1);

return block.isGiven() ? each_byte(context, recv, block) : enumeratorize(context.runtime, recv, "bytes");

}

@JRubyMethod

public static IRubyObject each_char(final ThreadContext context, IRubyObject recv, Block block) {

return block.isGiven() ? each_charCommon(context, recv, block) : enumeratorize(context.runtime, recv, "each_char");

}

@JRubyMethod

public static IRubyObject chars(final ThreadContext context, IRubyObject recv, Block block) {

return block.isGiven() ? each_charCommon(context, recv, block) : enumeratorize(context.runtime, recv, "chars");

}

public static IRubyObject each_charCommon(ThreadContext context, IRubyObject recv, Block block) {

final Ruby runtime = context.runtime;

ArgsFileData data = ArgsFileData.getArgsFileData(runtime);

IRubyObject ch;

while ((ch = getc(context, recv)) != context.nil) {

boolean cont = true;

while (cont) {

cont = false;

byte c = toByte(context, ch);

int n = runtime.getKCode().getEncoding().length(c);

IRubyObject file = data.currentFile;

RubyString str = runtime.newString();

str.cat(c);

while(--n > 0) {

if ((ch = getc(context, recv)) == context.nil) {

block.yield(context, str);

return recv;

}

if (data.currentFile != file) {

block.yield(context, str);

cont = true;

continue;

}

c = toByte(context, ch);

str.cat(c);

}

block.yield(context, str);

}

return recv;

}

@JRubyMethod

public static IRubyObject each_codepoint(ThreadContext context, IRubyObject recv, Block block) {

if (!block.isGiven()) return RubyEnumerator.enumeratorize(context.runtime, recv, "each_codepoint");

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

CallSite each_codepoint = sites(context).each_codepoint;

while (data.next_argv(context)) {

each_codepoint.call(context, recv, data.currentFile, block);

data.next_p = NextFile;

}

return recv;

}

@Deprecated(since = "9.4-")

public static IRubyObject codepoints(ThreadContext context, IRubyObject recv, Block block) {

warn(context, "ARGF#codepoints is deprecated; use #each_codepoint instead");

if (!block.isGiven()) return RubyEnumerator.enumeratorize(context.runtime, recv, "each_line");

return each_codepoint(context, recv, block);

}

/** Invoke a block for each line.

@JRubyMethod(name = "each_line", optional = 1, keywords = true, checkArity = false)

public static IRubyObject each_line(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {

if (!block.isGiven()) return enumeratorize(context.runtime, recv, "each_line", args);

final int callInfo = ThreadContext.resetCallInfo(context);

Arity.checkArgumentCount(context, args, 0, 1);

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (!data.next_argv(context)) return context.nil;

if (!(data.currentFile instanceof RubyIO)) {

if (!data.next_argv(context)) return recv;

data.currentFile.callMethod(context, "each", NULL_ARRAY, block);

data.next_p = NextFile;

}

IRubyObject str;

while ((str = argf_getline(context, callInfo, args)) != context.nil) {

block.yield(context, str);

}

return recv;

}

@Deprecated(since = "10.0.0.0")

public static IRubyObject lines(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {

if (!block.isGiven()) return RubyEnumerator.enumeratorize(context.runtime, recv, "each_line");

return each_line(context, recv, args, block);

}

@JRubyMethod(name = "each", optional = 1, checkArity = false)

public static IRubyObject each(final ThreadContext context, IRubyObject recv, IRubyObject[] args, final Block block) {

return block.isGiven() ? each_line(context, recv, args, block) : enumeratorize(context.runtime, recv, "each", args);

}

@JRubyMethod(name = "file")

public static IRubyObject file(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

data.next_argv(context);

return data.currentFile;

}

@Deprecated(since = "10.0.0.0")

public static IRubyObject skip(IRubyObject recv) {

return skip(((RubyBasicObject) recv).getCurrentContext(), recv);

}

@JRubyMethod(name = "skip")

public static IRubyObject skip(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (data.inited && data.next_p == Next.SameFile) {

argf_close(context, data.currentFile);

data.next_p = NextFile;

}

return recv;

}

public static void argf_close(ThreadContext context, IRubyObject file) {

if (file instanceof RubyIO) {

((RubyIO) file).rbIoClose(context);

} else {

file.callMethod(context, "close");

}

@JRubyMethod(name = "close")

public static IRubyObject close(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

data.next_argv(context);

if (data.currentFile == globalVariables(context).get("$stdin")) return recv;

argf_close(context, data.currentFile);

if (data.next_p != Stream) data.next_p = NextFile;

context.runtime.setCurrentLine(0);

return recv;

}

@JRubyMethod(name = "closed?")

public static IRubyObject closed_p(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

data.next_argv(context);

return asBoolean(context, isClosed(context, data.currentFile));

}

private static boolean isClosed(ThreadContext context, IRubyObject currentFile) {

if (!(currentFile instanceof RubyIO)) return currentFile.callMethod(context, "closed?").isTrue();

return ((RubyIO)currentFile).closed_p(context).isTrue();

}

@JRubyMethod(name = "binmode")

public static IRubyObject binmode(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

data.binmode = true;

if (data.currentFile != context.nil) ((RubyIO) data.currentFile).binmode(context);

return recv;

}

@JRubyMethod(name = "binmode?")

public static IRubyObject op_binmode(ThreadContext context, IRubyObject recv) {

return getCurrentDataFile(context, "no stream").op_binmode(context);

}

@JRubyMethod(name = "lineno")

public static IRubyObject lineno(ThreadContext context, IRubyObject recv) {

return asFixnum(context, context.runtime.getCurrentLine());

}

@JRubyMethod(name = "lineno=")

public static IRubyObject lineno_set(ThreadContext context, IRubyObject recv, IRubyObject line) {

context.runtime.setCurrentLine(toInt(context, line));

return context.nil;

}

@JRubyMethod(name = "tell", alias = {"pos"})

public static IRubyObject tell(ThreadContext context, IRubyObject recv) {

return getCurrentDataFile(context, "no stream to tell").pos(context);

}

@JRubyMethod(name = "rewind")

public static IRubyObject rewind(ThreadContext context, IRubyObject recv) {

RubyIO currentFile = getCurrentDataFile(context, "no stream to rewind");

RubyFixnum retVal = currentFile.rewind(context);

currentFile.lineno_set(context, asFixnum(context, 0));

return retVal;

}

@JRubyMethod(name = {"eof"})

public static IRubyObject eof(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (!data.inited) return context.tru;

if (!(data.currentFile instanceof RubyIO)) {

return data.currentFile.callMethod(context, "eof");

} else {

return ((RubyIO) data.currentFile).eof_p(context);

}

@JRubyMethod(name = {"eof?"})

public static IRubyObject eof_p(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

if (!data.inited) return context.tru;

if (!(data.currentFile instanceof RubyIO)) {

return data.currentFile.callMethod(context, "eof?");

} else {

return ((RubyIO) data.currentFile).eof_p(context);

}

@JRubyMethod(name = "pos=")

public static IRubyObject set_pos(ThreadContext context, IRubyObject recv, IRubyObject offset) {

return getCurrentDataFile(context, "no stream to set position").pos_set(context, offset);

}

@JRubyMethod(name = "seek", required = 1, optional = 1, checkArity = false)

public static IRubyObject seek(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

Arity.checkArgumentCount(context, args, 1, 2);

return getCurrentDataFile(context, "no stream to seek").seek(context, args);

}

@JRubyMethod(name = "readchar")

public static IRubyObject readchar(ThreadContext context, IRubyObject recv) {

IRubyObject c = getc(context, recv);

if (c == context.nil) throw context.runtime.newEOFError();

return c;

}

@JRubyMethod

public static IRubyObject getbyte(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

while (true) {

if (!data.next_argv(context)) return context.nil;

IRubyObject bt;

if (data.currentFile instanceof RubyFile) {

bt = ((RubyIO) data.currentFile).getbyte(context);

} else {

bt = data.currentFile.callMethod(context, "getbyte");

}

if (bt != context.nil) return bt;

argf_close(context, data.currentFile);

data.next_p = NextFile;

}

@JRubyMethod(required = 1, optional = 2, checkArity = false)

public static IRubyObject read_nonblock(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

Arity.checkArgumentCount(context, args, 1, 3);

return getPartial(context, recv, args, true);

}

@JRubyMethod(required = 1, optional = 1, checkArity = false)

public static IRubyObject readpartial(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

Arity.checkArgumentCount(context, args, 1, 2);

return getPartial(context, recv, args, false);

}

private static IRubyObject getPartial(ThreadContext context, IRubyObject recv, IRubyObject[] args, boolean nonBlocking) {

final Ruby runtime = context.runtime;

boolean noException = false;

RubyString str = null;

if (args.length > 1) {

IRubyObject opts = TypeConverter.checkHashType(runtime, args[args.length - 1]);

if ( opts != context.nil &&

context.fals == ((RubyHash) opts).op_aref(context, asSymbol(context, "exception")) ) {

noException = true;

}

if (args.length > 2 || opts == context.nil) {

if (args[1] != context.nil) {

args[1] = args[1].convertToString();

str = (RubyString) args[1];

}

final ArgsFileData data = ArgsFileData.getArgsFileData(runtime);

if (!data.next_argv(context)) {

if (str != null) str.clear(context);

return RubyIO.nonblockEOF(runtime, noException);

}

IRubyObject res = ((RubyIO) data.currentFile).getPartial(context, args, nonBlocking, noException);

if (res != context.nil) return res;

if (data.next_p == Stream) return RubyIO.nonblockEOF(runtime, noException);

argf_close(context, data.currentFile);

data.next_p = NextFile;

if (data.argv.isEmpty()) return RubyIO.nonblockEOF(runtime, noException);

return args.length > 1 && args[1] instanceof RubyString ? args[1] : newEmptyString(context);

}

@JRubyMethod

public static IRubyObject readbyte(ThreadContext context, IRubyObject recv) {

IRubyObject c = getbyte(context, recv);

if (c.isNil()) throw context.runtime.newEOFError();

return c;

}

@JRubyMethod(name = "getc")

public static IRubyObject getc(ThreadContext context, IRubyObject recv) {

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

while (true) {

if (!data.next_argv(context)) return context.nil;

IRubyObject bt;

if (data.currentFile instanceof RubyFile) {

bt = ((RubyIO) data.currentFile).getbyte(context);

} else {

bt = data.currentFile.callMethod(context,"getc");

}

if (bt != context.nil) return bt;

argf_close(context, data.currentFile);

data.next_p = NextFile;

}

@JRubyMethod(name = "read", optional = 2, checkArity = false)

public static IRubyObject read(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

int argc = Arity.checkArgumentCount(context, args, 0, 2);

ArgsFileData data = ArgsFileData.getArgsFileData(context.runtime);

IRubyObject tmp, str, length;

long len = 0;

var nil = context.nil;

if (argc > 0) {

length = args[0];

str = argc > 1 ? args[1] : nil;

} else {

str = length = nil;

}

if (length != nil) len = toLong(context, length);

if (str != nil) {

str = str.convertToString();

((RubyString) str).modify();

((RubyString) str).getByteList().length(0);

args[1] = nil;

}

while (true) {

if (!data.next_argv(context)) return str;

tmp = data.currentFile instanceof RubyIO file ?

file.read(context, args) : data.currentFile.callMethod(context, "read", args);

if (str == nil) {

str = tmp;

} else if (tmp != nil) {

((RubyString) str).append(tmp);

}

if (tmp == nil || length == nil) {

if (data.next_p != Stream) {

argf_close(context, data.currentFile);

data.next_p = NextFile;

continue;

}

} else if (argc >= 1) {

final int strLen = ((RubyString) str).getByteList().length();

if (strLen < len) {

args[0] = asFixnum(context, len - strLen);

continue;

}

return str;

}

@JRubyMethod(name = "filename", alias = {"path"})

public static IRubyObject filename(ThreadContext context, IRubyObject recv) {

ArgsFileData.getArgsFileData(context.runtime).next_argv(context);

return globalVariables(context).get("$FILENAME");

}

@Deprecated(since = "10.0.0.0")

public static IRubyObject to_s(IRubyObject recv) {

return to_s(((RubyBasicObject) recv).getCurrentContext(), recv);

}

@JRubyMethod(name = "to_s", alias = "inspect")

public static IRubyObject to_s(ThreadContext context, IRubyObject recv) {

return newString(context, "ARGF");

}

@JRubyMethod(name = "write", rest = true)

public static IRubyObject write(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

return RubyIO.writev(context, argfWriteIO(context), args);

}

@JRubyMethod(name = "write")

public static IRubyObject write(ThreadContext context, IRubyObject recv) {

return RubyIO.writev(context, argfWriteIO(context));

}

@JRubyMethod(name = "write")

public static IRubyObject write(ThreadContext context, IRubyObject recv, IRubyObject arg0) {

return RubyIO.writev(context, argfWriteIO(context), arg0);

}

@JRubyMethod(name = "write")

public static IRubyObject write(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {

return RubyIO.writev(context, argfWriteIO(context), arg0, arg1);

}

@JRubyMethod(name = "write")

public static IRubyObject write(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {

return RubyIO.writev(context, argfWriteIO(context), arg0, arg1, arg2);

}

@JRubyMethod(name = "print", rest = true)

public static IRubyObject print(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

return RubyIO.print(context, recv, args);

}

@JRubyMethod(name = "print")

public static IRubyObject print(ThreadContext context, IRubyObject recv) {

return RubyIO.print0(context, recv);

}

@JRubyMethod(name = "print")

public static IRubyObject print(ThreadContext context, IRubyObject recv, IRubyObject arg0) {

return RubyIO.print1(context, recv, arg0);

}

@JRubyMethod(name = "print")

public static IRubyObject print(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {

return RubyIO.print2(context, recv, arg0, arg1);

}

@JRubyMethod(name = "print")

public static IRubyObject print(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {

return RubyIO.print3(context, recv, arg0, arg1, arg2);

}

@JRubyMethod(name = "printf", rest = true)

public static IRubyObject printf(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

return RubyIO.printf(context, recv, args);

}

@JRubyMethod(name = "putc")

public static IRubyObject putc(ThreadContext context, IRubyObject recv, IRubyObject arg0) {

return RubyIO.putc(context, recv, arg0);

}

@JRubyMethod(name = "puts", rest = true)

public static IRubyObject puts(ThreadContext context, IRubyObject recv, IRubyObject[] args) {

return RubyIO.puts(context, recv, args);

}

View remainder of file in raw view

jruby/core/src/main/java/org/jruby/RubyArgsFile.java at master · jruby/jruby · GitHub

Uh oh!

Uh oh!

jruby/core/src/main/java/org/jruby/RubyArgsFile.java at master · jruby/jruby · GitHub

Uh oh!

Uh oh!

Expand file tree

Breadcrumbs

RubyArgsFile.java

Latest commit

History

Breadcrumbs

RubyArgsFile.java

File metadata and controls