Examples with ITextRegion org.eclipse.xtext.util.ITextRegion used on opensource projects

Example 16 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-core by eclipse.

the class ContentAssistContextFactory method doCreateContext.

public ContentAssistContext.Builder doCreateContext(INode lastCompleteNode, EObject currentModel, EObject previousModel, INode currentNode, String prefix) {
    ContentAssistContext.Builder context = contentAssistContextProvider.get();
    context.setRootNode(rootNode);
    context.setLastCompleteNode(lastCompleteNode);
    context.setCurrentNode(currentNode);
    context.setRootModel(parseResult.getRootASTElement());
    context.setCurrentModel(currentModel);
    context.setPreviousModel(previousModel);
    context.setOffset(completionOffset);
    context.setPrefix(prefix);
    int regionLength = prefix.length();
    if (selection.getLength() > 0) {
        regionLength = regionLength + selection.getLength();
    }
    ITextRegion region = new TextRegion(completionOffset - prefix.length(), regionLength);
    if (selection.getOffset() >= 0 && selection.getLength() >= 0) {
        context.setSelectedText(document.substring(selection.getOffset(), selection.getOffset() + selection.getLength()));
    }
    context.setReplaceRegion(region);
    context.setResource(resource);
    return context;
}

Example 17 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-core by eclipse.

the class DefaultFoldingRangeProvider method acceptObjectFolding.

protected void acceptObjectFolding(EObject eObject, IFoldingRangeAcceptor foldingRangeAcceptor) {
    ITextRegion region = locationInFileProvider.getFullTextRegion(eObject);
    if (region != null) {
        INode eObjectNode = NodeModelUtils.getNode(eObject);
        ITextRegion significant = buildSignificantRegion(locationInFileProvider.getSignificantTextRegion(eObject), eObjectNode);
        foldingRangeAcceptor.accept(region.getOffset(), region.getLength(), null, false, significant);
    }
}

Example 18 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-core by eclipse.

the class DocumentExtensions method newLocation.

public Location newLocation(EObject owner, EStructuralFeature feature, int indexInList) {
    Resource resource = owner.eResource();
    ITextRegion textRegion = locationInFileProvider.getSignificantTextRegion(owner, feature, indexInList);
    return newLocation(resource, textRegion);
}

Example 19 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-core by eclipse.

the class IndentationAwareCompletionPrefixProvider method getLastCompleteNodeByOffset.

protected INode getLastCompleteNodeByOffset(INode node, int offset) {
    BidiTreeIterator<INode> iterator = node.getRootNode().getAsTreeIterable().iterator();
    INode result = node;
    ITextRegion candidateTextRegion = node.getTextRegion();
    while (iterator.hasNext()) {
        INode candidate = iterator.next();
        ITextRegion textRegion = candidate.getTextRegion();
        if (textRegion.getOffset() >= offset && !(textRegion.getOffset() == offset && textRegion.getLength() == 0)) {
            if (!candidateTextRegion.equals(textRegion) && candidate instanceof ILeafNode && textRegion.getLength() + textRegion.getOffset() >= offset) {
                break;
            }
        }
        if ((candidate instanceof ILeafNode) && (candidate.getGrammarElement() == null || candidate.getGrammarElement() instanceof AbstractElement || candidate.getGrammarElement() instanceof ParserRule)) {
            if (textRegion.getLength() == 0) {
                if (candidateTextRegion.getOffset() + candidateTextRegion.getLength() < offset || candidateTextRegion.getLength() == 0 && candidateTextRegion.getOffset() <= offset) {
                    result = candidate;
                    candidateTextRegion = candidate.getTextRegion();
                }
            } else {
                result = candidate;
                candidateTextRegion = candidate.getTextRegion();
            }
        }
    }
    return result;
}

Example 20 with ITextRegion

use of org.eclipse.xtext.util.ITextRegion in project xtext-core by eclipse.

the class DefaultSemanticHighlightingCalculator method highlightNode.

/**
 * Highlights the non-hidden parts of {@code node} with the styles given by the {@code styleIds}
 */
protected void highlightNode(IHighlightedPositionAcceptor acceptor, INode node, String... styleIds) {
    if (node == null)
        return;
    if (node instanceof ILeafNode) {
        ITextRegion textRegion = node.getTextRegion();
        acceptor.addPosition(textRegion.getOffset(), textRegion.getLength(), styleIds);
    } else {
        for (ILeafNode leaf : node.getLeafNodes()) {
            if (!leaf.isHidden()) {
                ITextRegion leafRegion = leaf.getTextRegion();
                acceptor.addPosition(leafRegion.getOffset(), leafRegion.getLength(), styleIds);
            }
        }
    }
}