Java Code Examples for org.eclipse.lsp4j.Position#setLine()

@SuppressWarnings("restriction")
private static Range convertRange(IOpenable openable, IProblem problem) {
	try {
		return JDTUtils.toRange(openable, problem.getSourceStart(), problem.getSourceEnd() - problem.getSourceStart() + 1);
	} catch (CoreException e) {
		// In case failed to open the IOpenable's buffer, use the IProblem's information to calculate the range.
		Position start = new Position();
		Position end = new Position();

		start.setLine(problem.getSourceLineNumber() - 1);// The protocol is 0-based.
		end.setLine(problem.getSourceLineNumber() - 1);
		if (problem instanceof DefaultProblem) {
			DefaultProblem dProblem = (DefaultProblem) problem;
			start.setCharacter(dProblem.getSourceColumnNumber() - 1);
			int offset = 0;
			if (dProblem.getSourceStart() != -1 && dProblem.getSourceEnd() != -1) {
				offset = dProblem.getSourceEnd() - dProblem.getSourceStart() + 1;
			}
			end.setCharacter(dProblem.getSourceColumnNumber() - 1 + offset);
		}
		return new Range(start, end);
	}
}
 

private void enlargePositionToGutters(Position start, Position end) throws BadLocationException {
	start.setCharacter(0);

	if (end.getCharacter() == 0 && end.getLine() > 0) {
		end.setLine(end.getLine() - 1);
	}

	end.setCharacter(this.textDocument.lineText(end.getLine()).length());
}
 

private static Position createPosition(IDocument document, int offset) {
	Position start = new Position();
	try {
		int lineOfOffset = document.getLineOfOffset(offset);
		start.setLine(Integer.valueOf(lineOfOffset));
		start.setCharacter(Integer.valueOf(offset - document.getLineOffset(lineOfOffset)));
	} catch (BadLocationException e) {
		JavaLanguageServerPlugin.logException(e.getMessage(), e);
	}
	return start;
}
 

/**
 * Converts a compiler source location to a language server range. May
 * return null if the line or column of the source location is -1.
 */
public static Range getRangeFromSourceLocation(ISourceLocation sourceLocation)
{
    int line = sourceLocation.getLine();
    int column = sourceLocation.getColumn();
    if (line == -1 || column == -1)
    {
        //this is probably generated by the compiler somehow
        return null;
    }
    Position start = new Position();
    start.setLine(line);
    start.setCharacter(column);

    int endLine = sourceLocation.getEndLine();
    int endColumn = sourceLocation.getEndColumn();
    if (endLine == -1 || endColumn == -1)
    {
        endLine = line;
        endColumn = column;
    }
    Position end = new Position();
    end.setLine(endLine);
    end.setCharacter(endColumn);

    Range range = new Range();
    range.setStart(start);
    range.setEnd(end);

    return range;
}
 

public static TextEdit createTextEditForRemoveUnusedImport(String text, Range range)
{
    int startLine = range.getStart().getLine();
    int endLine = range.getEnd().getLine();
    int endChar = range.getEnd().getCharacter();

    Position startPosition = new Position(startLine, 0);
    Position endPosition = new Position(endLine, endChar);

    Range resultRange = new Range(startPosition, endPosition);

    //we may need to adjust the end position to include the semi-colon and new line
    int offset = LanguageServerCompilerUtils.getOffsetFromPosition(new StringReader(text), endPosition);
    if (offset < text.length() && text.charAt(offset) == ';')
    {
        endPosition.setCharacter(endPosition.getCharacter() + 1);
        offset++;
    }
    if (offset < text.length() && (text.charAt(offset) == '\r' || text.charAt(offset) == '\n'))
    {
        endPosition.setLine(endPosition.getLine() + 1);
        endPosition.setCharacter(0);
    }
    
    TextEdit textEdit = new TextEdit();
    textEdit.setNewText("");
    textEdit.setRange(resultRange);
    return textEdit;
}
 

public Range toRange()
{
    Position start = new Position();
    start.setLine(startLine);
    start.setCharacter(startColumn);
    Position end = new Position();
    end.setLine(endLine);
    end.setCharacter(endColumn);
    Range range = new Range();
    range.setStart(start);
    range.setEnd(end);
    return range;
}
 

private Position position(final int l, final int c) {
  Position _position = new Position();
  final Procedure1<Position> _function = (Position it) -> {
    it.setLine(l);
    it.setCharacter(c);
  };
  return ObjectExtensions.<Position>operator_doubleArrow(_position, _function);
}
 

public static Position getPositionFromOffset(Reader in, int targetOffset, Position result)
{
    try
    {
        int offset = 0;
        int line = 0;
        int character = 0;

        while (offset < targetOffset)
        {
            int next = in.read();

            if (next < 0)
            {
                result.setLine(line);
                result.setCharacter(line);
                return result;
            }
            else
            {
                offset++;
                character++;

                if (next == '\n')
                {
                    line++;
                    character = 0;
                }
            }
        }

        result.setLine(line);
        result.setCharacter(character);
    }
    catch (IOException e)
    {
        result.setLine(-1);
        result.setCharacter(-1);
    }
    return result;
}
 

public static AddImportData findAddImportData(String fileText, ImportRange importRange)
{
    int startIndex = importRange.startIndex;
    int endIndex = importRange.endIndex;
    if(startIndex == -1)
    {
        startIndex = 0;
    }
    int textLength = fileText.length();
    if (endIndex == -1 || endIndex > textLength)
    {
        //it's possible for the end index to be longer than the text
        //for example, if the package block is incomplete in an .as file
        endIndex = textLength;
    }
    String indent = "";
    String lineBreaks = "\n";
    int importIndex = -1;
    Matcher importMatcher = importPattern.matcher(fileText);
    importMatcher.region(startIndex, endIndex);
    while (importMatcher.find())
    {
        indent = importMatcher.group(1);
        importIndex = importMatcher.start();
    }
    Position position = null;
    if(importIndex != -1) //found existing imports
    {
        position = LanguageServerCompilerUtils.getPositionFromOffset(new StringReader(fileText), importIndex);
        position.setLine(position.getLine() + 1);
        position.setCharacter(0);
    }
    else //no existing imports
    {
        if(importRange.needsMXMLScript)
        {
            position = LanguageServerCompilerUtils.getPositionFromOffset(new StringReader(fileText), importRange.endIndex);
        }
        else
        {
            //start by looking for the package block
            Matcher packageMatcher = packagePattern.matcher(fileText);
            packageMatcher.region(startIndex, endIndex);
            if (packageMatcher.find()) //found the package
            {
                position = LanguageServerCompilerUtils.getPositionFromOffset(
                    new StringReader(fileText), packageMatcher.end());
                if(position.getCharacter() > 0)
                {
                    //go to the beginning of the line, if we're not there
                    position.setCharacter(0);
                }
                indent = packageMatcher.group(1);
            }
            else //couldn't find the start of a package or existing imports
            {
                position = LanguageServerCompilerUtils.getPositionFromOffset(new StringReader(fileText), startIndex);
                if (position.getCharacter() > 0)
                {
                    //go to the next line, if we're not at the start
                    position.setLine(position.getLine() + 1);
                    position.setCharacter(0);
                }
                //try to use the same indent as whatever follows
                Matcher indentMatcher = indentPattern.matcher(fileText);
                indentMatcher.region(startIndex, endIndex);
                if (indentMatcher.find())
                {
                    indent = indentMatcher.group(1);
                }
            }
        }
        lineBreaks += "\n"; //add an extra line break
    }
    return new AddImportData(position, indent, lineBreaks, importRange);
}