Examples of com.google.collide.dto.DocOp

com.google.collide.dto.DocOp
Models a document operation for the Collide code editor. A DocOp is a description for an operation to be performed on the document. It consists of one or more components that together must span the entire length of the document. For example, consider the following DocOp which spans the document with three lines: {(RetainLine:1), (Insert:"Hello"), (Retain:5, true), (RetainLine:1)}. It retains the first line, inserts "Hello" at the beginning of the second line, retains the remaining 5 characters on that second line (including the newline), and then retains the last line.

    assertSize(1, c.getDocOp());
  }


  public void testMultilineTextChangeConversions() {
    TextChange textChange;
    DocOp op;


    textChange =
        TextChange.createInsertion(doc.getFirstLine(), 0, 0, doc.getFirstLine()
            .getNextLine(), 1, "Hello world\n");
    op = DocOpUtils.createFromTextChange(factory, textChange);

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  public void testRetainTrailingNewLineBehavior() {
    // Add the to-be-inserted "A" and the "r" that is to be retained
    doc.insertText(doc.getLastLine(), 0, "Ar");


    TextChange textChange;
    DocOp op;


    textChange =
        TextChange.createInsertion(doc.getLastLine(), doc.getLastLineNumber(), 0,
            doc.getLastLine(), doc.getLastLineNumber(), "A");
    op = DocOpUtils.createFromTextChange(factory, textChange);

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  public void testSimpleTextChangeConversions() {
    Document doc = Document.createFromString("\nThis is\na test\n");
    TextChange textChange =
        TextChange.createInsertion(doc.getFirstLine(), 0, 0, doc.getFirstLine(), 0, "\n");
    DocOp op = DocOpUtils.createFromTextChange(factory, textChange);
    assertSize(3, op);
    assertInsert("\n", op, 0);
    assertRetain(8, true, op, 1);
    // There's an empty line at the end
    assertRetainLine(2, op, 2);

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    assertRetainLine(2, op, 2);
  }


  public void testSingleLineTextChangeConversions() {
    TextChange textChange;
    DocOp op;


    textChange =
        TextChange.createInsertion(doc.getFirstLine(), 0, 1, doc.getFirstLine(), 0, "ello");
    op = DocOpUtils.createFromTextChange(factory, textChange);
    assertSize(4, op);

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    TextChange textChange = doc.insertText(doc.getFirstLine(), 0, "\n");
    assertEquals(TextChange.createInsertion(doc.getFirstLine(), 0, 0, doc.getFirstLine()
        .getNextLine(), 1, "\n"), textChange);
    
    DocOp opPostListener = DocOpUtils.createFromTextChange(factory, textChange);
    DocOpTestUtils.assertDocOpEquals(opPostListener, opFromListener[0]);
  }

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   * and we delete a\nb\nc\nd.
   */
  public void testBuggyDueToNoRetainWithTrailingNewLine() {
    doc = Document.createFromString("a\nb\nc\nd\ne");
    TextChange textChange = doc.deleteText(doc.getFirstLine(), 0, 0, 7);
    DocOp op = DocOpUtils.createFromTextChange(factory, textChange);


    assertSize(6, op);
    assertDelete("a\n", op, 0);
    assertDelete("b\n", op, 1);
    assertDelete("c\n", op, 2);

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    assertEquals(23, doc.getLineCount());
    
    int textCount = LineUtils.getTextCount(
        doc.getFirstLine(), 10, doc.getLastLine().getPreviousLine().getPreviousLine(), 1);
    TextChange textChange = doc.deleteText(doc.getFirstLine(), 10, textCount);
    DocOp docOp = DocOpUtils.createFromTextChange(factory, textChange);
    docOp.toString();
  }

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  public void testMissingRetainLineAfterDelete() {
    {
      doc = Document.createFromString("\n");


      TextChange textChange = doc.deleteText(doc.getFirstLine(), 0, 1);
      DocOp docOp = DocOpUtils.createFromTextChange(factory, textChange);


      DocOp expected = b.d("\n").rl(1).b();
      DocOpTestUtils.assertDocOpEquals(expected, docOp);
    }
    {
      doc = Document.createFromString("alex\n");


      TextChange textChange = doc.deleteText(doc.getFirstLine(), 4, 1);
      DocOp docOp = DocOpUtils.createFromTextChange(factory, textChange);


      DocOp expected = b.r(4).d("\n").rl(1).b();
      DocOpTestUtils.assertDocOpEquals(expected, docOp);
    }
    {
      doc = Document.createFromString("alex");


      TextChange textChange = doc.insertText(doc.getFirstLine(), 4, "\n");
      DocOp docOp = DocOpUtils.createFromTextChange(factory, textChange);


      DocOp expected = b.r(4).i("\n").rl(1).b();
      DocOpTestUtils.assertDocOpEquals(expected, docOp);
    }
    {
      doc = Document.createFromString("alex\ntest");


      TextChange textChange = doc.deleteText(doc.getFirstLine(), 0, 9);
      DocOp docOp = DocOpUtils.createFromTextChange(factory, textChange);


      DocOp expected = b.d("alex\n").d("test").rl(1).b();
      DocOpTestUtils.assertDocOpEquals(expected, docOp);
    }
  }

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  public void testSimpleConversionWorks() {
    doc = Document.createFromString("aa\nhh\nii");
    
    TextChange textChange = doc.insertText(doc.getFirstLine().getNextLine(), 0, "hh\nii\n");
    DocOp docOpA = DocOpUtils.createFromTextChange(factory, textChange);
    DocOp expected = b.rl(1).i("hh\n").i("ii\n").eolR(3).rl(1).b();
    DocOpTestUtils.assertDocOpEquals(expected, docOpA);
    
    textChange = doc.deleteText(doc.getFirstLine().getNextLine().getNextLine(), 2, 6);
    DocOp docOpB = DocOpUtils.createFromTextChange(factory, textChange);
    expected = b.rl(2).r(2).d("\n").d("hh\n").d("ii").b();
    DocOpTestUtils.assertDocOpEquals(expected, docOpB);


  }

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Related Classes of com.google.collide.dto.DocOp

com.google.collide.client.collaboration.DocOpReceiver

com.google.collide.client.collaboration.DocumentCollaborationController

com.google.collide.client.collaboration.IncomingDocOpDemultiplexer

com.google.collide.client.editor.EditorUndoManager

com.google.collide.server.documents.VersionedDocument

com.google.collide.shared.ot.Composer

com.google.collide.shared.ot.ComposerTests

com.google.collide.shared.ot.DocOpBuilder

com.google.collide.shared.ot.DocOpTests

com.google.collide.shared.ot.DocOpTestUtils

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