Examples of org.eclipse.text.edits.TextEdit.apply()

org.eclipse.text.edits.TextEdit.apply()
Applies the edit tree rooted by this edit to the given document. To check if the edit tree can be applied to the document either catch MalformedTreeException or use TextEditProcessor to execute an edit tree. @param document the document to be manipulated @param style flags controlling the execution of the edit tree. Validflags are: CREATE_UNDO and UPDATE_REGIONS. @return a undo edit, if CREATE_UNDO is specified. Otherwisenull is returned. @exception MalformedTreeException is thrown if the tree isn'tin a valid state. This exception is thrown before any edit is executed. So the document is still in its original state. @exception BadLocationException is thrown if one of the editsin the tree can't be executed. The state of the document is undefined if this exception is thrown. @see TextEditProcessor#performEdits()

      String contents = new String(org.eclipse.jdt.internal.compiler.util.Util.getFileCharContent(file, null));
      // format the file (the meat and potatoes)
      doc.set(contents);
      TextEdit edit = codeFormatter.format(CodeFormatter.K_COMPILATION_UNIT | CodeFormatter.F_INCLUDE_COMMENTS, contents, 0, contents.length(), 0, null);
      if (edit != null) {
        edit.apply(doc);
      } else {
        System.err.println(Messages.bind(Messages.FormatProblem, file.getAbsolutePath()));
        return;
      }

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         @SuppressWarnings("rawtypes")
         Map options = JavaCore.getOptions();
         options.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_7);
         options.put(CompilerOptions.OPTION_Encoding, "UTF-8");
         TextEdit edit = unit.rewrite(document, options);
         edit.apply(document);
      }
      catch (Exception e)
      {
         throw new ParserException("Could not modify source: " + unit.toString(), e);
      }

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      Document document = new Document(this.document.get());


      try
      {
         TextEdit edit = unit.rewrite(document, null);
         edit.apply(document);
      }
      catch (Exception e)
      {
         throw new ParserException("Could not modify source: " + unit.toString(), e);
      }

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      Document document = new Document(this.document.get());


      try
      {
         TextEdit edit = unit.rewrite(document, null);
         edit.apply(document);
      }
      catch (Exception e)
      {
         throw new ParserException("Could not modify source: " + unit.toString(), e);
      }

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        markers[i]= new RangeMarker(this.positions[i], 0);
        insert(edits, markers[i]);
      }
    }
    try {
      edits.apply(document, TextEdit.UPDATE_REGIONS);
      if (this.positions != null) {
        for (int i= 0, max = markers.length; i < max; i++) {
          this.positions[i]= markers[i].getOffset();
        }
      }

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    ASTNode placeHolder = rewrite.createStringPlaceholder("//mycomment",
        ASTNode.COMMENT);
    listRewrite.insertFirst(placeHolder, null);


    TextEdit textEdits = rewrite.rewriteAST(document, null);
    textEdits.apply(document);
    checkResult("<?php\n class A { \n  //mycomment\n  public function foo(int $a){}\n }?> ");
  }


  public void testException() throws Exception {
    String str = "<?php\n function A() { throw new Exception(); }";

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    return PHPVersion.PHP5;
  }


  protected final void rewrite() throws Exception {
    TextEdit edits = program.rewrite(document, null);
    edits.apply(document);
  }


  protected final void checkResult(String expected) {
    String actual = document.get();
    String diff = PHPCoreTests.compareContentsIgnoreWhitespace(expected,

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    return PHPVersion.PHP5;
  }


  private void rewrite(Program program, IDocument document) throws Exception {
    TextEdit edits = program.rewrite(document, null);
    edits.apply(document);
  }


  public <T extends ASTNode> List<T> getAllOfType(Program program,
      final Class<T> nodeClass) {
    final List<T> list = new ArrayList<T>();

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      try
      {
         TextEdit edit = codeFormatter.format(CodeFormatter.K_COMPILATION_UNIT, contents, 0, contents.length(), 0, null);
         if (edit != null)
         {
            edit.apply(doc);
         }
         else
         {
            return contents;
         }

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      Document document = new Document(this.document.get());


      try
      {
         TextEdit edit = unit.rewrite(document, null);
         edit.apply(document);
      }
      catch (Exception e)
      {
         throw new ParserException("Could not modify source: " + unit.toString(), e);
      }

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