Java Code Examples for org.eclipse.lsp4j.Range#getStart()

private TextEdit createTextEditToRenameMethodNode(MethodNode methodNode, String newName, String text, Range range) {
	// the AST doesn't give us access to the name location, so we
	// need to find it manually
	Pattern methodPattern = Pattern.compile("\\b" + methodNode.getName() + "\\b(?=\\s*\\()");
	Matcher methodMatcher = methodPattern.matcher(text);
	if (!methodMatcher.find()) {
		// couldn't find the name!
		return null;
	}

	Position start = range.getStart();
	Position end = range.getEnd();
	end.setCharacter(start.getCharacter() + methodMatcher.end());
	start.setCharacter(start.getCharacter() + methodMatcher.start());

	TextEdit textEdit = new TextEdit();
	textEdit.setRange(range);
	textEdit.setNewText(newName);
	return textEdit;
}
 

private TextEdit createTextEditToRenamePropertyNode(PropertyNode propNode, String newName, String text,
		Range range) {
	// the AST doesn't give us access to the name location, so we
	// need to find it manually
	Pattern propPattern = Pattern.compile("\\b" + propNode.getName() + "\\b");
	Matcher propMatcher = propPattern.matcher(text);
	if (!propMatcher.find()) {
		// couldn't find the name!
		return null;
	}

	Position start = range.getStart();
	Position end = range.getEnd();
	end.setCharacter(start.getCharacter() + propMatcher.end());
	start.setCharacter(start.getCharacter() + propMatcher.start());

	TextEdit textEdit = new TextEdit();
	textEdit.setRange(range);
	textEdit.setNewText(newName);
	return textEdit;
}
 

public static String apply(Document doc, Collection<? extends TextEdit> edits) throws BadLocationException {
	Assert.isNotNull(doc);
	Assert.isNotNull(edits);
	List<TextEdit> sortedEdits = new ArrayList<>(edits);
	sortByLastEdit(sortedEdits);
	String text = doc.get();
	for (int i = sortedEdits.size() - 1; i >= 0; i--) {
		TextEdit te = sortedEdits.get(i);
		Range r = te.getRange();
		if (r != null && r.getStart() != null && r.getEnd() != null) {
			int start = getOffset(doc, r.getStart());
			int end = getOffset(doc, r.getEnd());
			text = text.substring(0, start)
					+ te.getNewText()
					+ text.substring(end, text.length());
		}
	}
	return text;
}
 

private TextEdit createTextEditToRenameClassNode(ClassNode classNode, String newName, String text, Range range) {
	// the AST doesn't give us access to the name location, so we
	// need to find it manually
	String className = classNode.getNameWithoutPackage();
	int dollarIndex = className.indexOf('$');
	if (dollarIndex != 01) {
		// it's an inner class, so remove the outer name prefix
		className = className.substring(dollarIndex + 1);
	}

	Pattern classPattern = Pattern.compile("(class\\s+)" + className + "\\b");
	Matcher classMatcher = classPattern.matcher(text);
	if (!classMatcher.find()) {
		// couldn't find the name!
		return null;
	}
	String prefix = classMatcher.group(1);

	Position start = range.getStart();
	Position end = range.getEnd();
	end.setCharacter(start.getCharacter() + classMatcher.end());
	start.setCharacter(start.getCharacter() + prefix.length() + classMatcher.start());

	TextEdit textEdit = new TextEdit();
	textEdit.setRange(range);
	textEdit.setNewText(newName);
	return textEdit;
}
 

private List<TextEdit> getTagNameRenameTextEdits(DOMDocument xmlDocument, DOMElement element, Position position, String newText) {
	
	Range startTagRange = getTagNameRange(TokenType.StartTag, element.getStart(), xmlDocument);
	Range endTagRange = element.hasEndTag() ? getTagNameRange(TokenType.EndTag, element.getEndTagOpenOffset(), xmlDocument)
		: null;
	
	//Check if xsd namespace rename
	String fullNodeName = element.getNodeName();
	int indexOfColon = fullNodeName.indexOf(":");
	if(indexOfColon > 0) {
		Position startTagStartPosition = startTagRange.getStart();
		Position startTagPrefixPosition = new Position(startTagStartPosition.getLine(), startTagStartPosition.getCharacter() + indexOfColon);

		Position endTagStartPosition = endTagRange.getStart();
		Position endTagPrefixPosition = new Position(endTagStartPosition.getLine(), endTagStartPosition.getCharacter() + indexOfColon);

		Range startTagPrefixRange = new Range(startTagStartPosition, startTagPrefixPosition);
		Range endTagPrefixRange = new Range(endTagStartPosition, endTagPrefixPosition);

		if (doesTagCoverPosition(startTagPrefixRange, endTagPrefixRange, position)) {// Element prefix rename
			String prefix = element.getPrefix();
			return renameElementNamespace(xmlDocument, element, prefix.length(), newText);
		} else { //suffix rename without wiping namespace
			String suffixName = element.getLocalName();
			int suffixLength = suffixName.length();
			Position startTagEndPosition = startTagRange.getEnd();
			Position suffixStartPositionStart = new Position(startTagEndPosition.getLine(), startTagEndPosition.getCharacter() - suffixLength);

			Position endTagEndPosition = endTagRange.getEnd();
			Position suffixEndPositionStart = new Position(endTagEndPosition.getLine(), endTagEndPosition.getCharacter() - suffixLength);

			Range suffixRangeStart = new Range(suffixStartPositionStart, startTagEndPosition);
			Range suffixRangeEnd = new Range(suffixEndPositionStart, endTagEndPosition);

			return getRenameList(suffixRangeStart, suffixRangeEnd, newText);
		}
	}
	//Regular tag name rename
	return getRenameList(startTagRange, endTagRange, newText);
}
 

private static void assertCompletion(CompletionList completions, CompletionItem expected, TextDocument document,
		int offset, Integer expectedCount) {
	List<CompletionItem> matches = completions.getItems().stream().filter(completion -> {
		return expected.getLabel().equals(completion.getLabel());
	}).collect(Collectors.toList());

	if (expectedCount != null) {
		assertTrue(matches.size() >= 1, () -> {
			return expected.getLabel() + " should only exist once: Actual: "
					+ completions.getItems().stream().map(c -> c.getLabel()).collect(Collectors.joining(","));
		});
	} else {
		assertEquals(1, matches.size(), () -> {
			return expected.getLabel() + " should only exist once: Actual: "
					+ completions.getItems().stream().map(c -> c.getLabel()).collect(Collectors.joining(","));
		});
	}

	CompletionItem match = getCompletionMatch(matches, expected);
	if (expected.getTextEdit() != null && match.getTextEdit() != null) {
		if (expected.getTextEdit().getNewText() != null) {
			assertEquals(expected.getTextEdit().getNewText(), match.getTextEdit().getNewText());
		}
		Range r = expected.getTextEdit().getRange();
		if (r != null && r.getStart() != null && r.getEnd() != null) {
			assertEquals(expected.getTextEdit().getRange(), match.getTextEdit().getRange());
		}
	}
	if (expected.getFilterText() != null && match.getFilterText() != null) {
		assertEquals(expected.getFilterText(), match.getFilterText());
	}

	if (expected.getDocumentation() != null) {
		assertEquals(expected.getDocumentation(), match.getDocumentation());
	}

}
 

/** @return string for given element */
public String toString(Range range) {
	if (range == null) {
		return "";
	}
	Position start = range.getStart();
	Position end = range.getEnd();
	String stringPosStr = start.getLine() + ":" + start.getCharacter();
	String endPosStr = end.getLine() + ":" + end.getCharacter();
	return "[" + stringPosStr + " - " + endPosStr + "]";
}
 

/** Convert the given diagnostic to an issue. */
public Issue toIssue(URI uri, Diagnostic diagnostic, Optional<Document> document) {
	IssueImpl issue = new Issue.IssueImpl();

	issue.setSeverity(toSeverity(diagnostic.getSeverity()));

	Range range = diagnostic.getRange();
	Position sPos = range.getStart();
	Position ePos = range.getEnd();
	int offSetStart = 0;
	int offSetEnd = 0;
	if (document.isPresent()) {
		offSetStart = document.get().getOffSet(new Position(sPos.getLine() + 1, sPos.getCharacter() + 1));
		offSetEnd = document.get().getOffSet(new Position(ePos.getLine() + 1, ePos.getCharacter() + 1));
	}

	issue.setLineNumber(sPos.getLine() + 1);
	issue.setColumn(sPos.getCharacter() + 1);
	issue.setOffset(offSetStart);
	issue.setLength(offSetEnd - offSetStart);

	issue.setUriToProblem(uri);
	issue.setCode(diagnostic.getCode());
	issue.setType(CheckType.FAST);
	issue.setMessage(diagnostic.getMessage());

	return issue;
}
 

private String patch(String sourceText, TextDocumentContentChangeEvent change)
{
    Range range = change.getRange();
    Position start = range.getStart();
    StringReader reader = new StringReader(sourceText);
    int offset = LanguageServerCompilerUtils.getOffsetFromPosition(reader, start);
    StringBuilder builder = new StringBuilder();
    builder.append(sourceText.substring(0, offset));
    builder.append(change.getText());
    builder.append(sourceText.substring(offset + change.getRangeLength()));
    return builder.toString();
}
 

private EObject getEObject(Document doc, XtextResource resource, Range range) {
	Position start = range.getStart();
	int startOffset = doc.getOffSet(start);
	return eObjectAtOffsetHelper.resolveContainedElementAt(resource, startOffset);
}
 

private EObject getEObject(Document doc, XtextResource resource, Range range) {
	Position start = range.getStart();
	int startOffset = doc.getOffSet(start);
	return eObjectAtOffsetHelper.resolveContainedElementAt(resource, startOffset);
}