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

Example 76 with ITextRegion

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

the class RegionComparator method compare.

@Override
public int compare(T t1, T t2) {
    ITextRegion o1 = regionAccess.apply(t1);
    ITextRegion o2 = regionAccess.apply(t2);
    int cmp1 = o1.getOffset() - o2.getOffset();
    if (cmp1 != 0)
        return cmp1;
    int cmp2 = o1.getLength() - o2.getLength();
    if (cmp2 != 0)
        return cmp2;
    return 0;
}

Example 77 with ITextRegion

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

the class TokenRegionProviderTest method testBug486454.

@Test
public void testBug486454() throws Exception {
    String model = "t";
    ITextRegion tokenRegion = tokenRegionProvider.getTokenRegion(model, new TextRegion(1, 0));
    assertEquals(0, tokenRegion.getOffset());
    assertEquals(1, tokenRegion.getLength());
}

Example 78 with ITextRegion

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

the class AbstractFormatter2 method isInRequestedRange.

protected boolean isInRequestedRange(EObject obj) {
    Collection<ITextRegion> regions = request.getRegions();
    if (regions.isEmpty())
        return true;
    ITextRegionAccess access = request.getTextRegionAccess();
    IEObjectRegion objRegion = access.regionForEObject(obj);
    if (objRegion == null)
        return false;
    IHiddenRegion previousHidden = objRegion.getPreviousHiddenRegion();
    IHiddenRegion nextHidden = objRegion.getNextHiddenRegion();
    int objOffset = previousHidden != null ? previousHidden.getOffset() : 0;
    int objEnd = nextHidden != null ? nextHidden.getEndOffset() : access.regionForRootEObject().getEndOffset();
    for (ITextRegion region : regions) {
        int regionOffset = region.getOffset();
        int regionEnd = regionOffset + region.getLength();
        if (regionOffset <= objEnd && regionEnd >= objOffset)
            return true;
    }
    return false;
}

Example 79 with ITextRegion

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

the class MultiLineJavaDocTypeReferenceProvider method computeEObjectReferencedInComment.

/**
 * {@inheritDoc}
 */
@Override
public EObjectInComment computeEObjectReferencedInComment(XtextResource resource, int offset) {
    IParseResult parseResult = resource.getParseResult();
    if (parseResult != null) {
        INode rootNode = parseResult.getRootNode();
        INode node = NodeModelUtils.findLeafNodeAtOffset(rootNode, offset);
        EObject semanticObject = NodeModelUtils.findActualSemanticObjectFor(node);
        if (semanticObject != null) {
            EReference reference = getEReference(semanticObject, node, offset);
            if (reference != null) {
                IScope scope = getScope(semanticObject, reference, node, offset);
                List<ReplaceRegion> eObjectReferences = computeTypeRefRegions(node);
                for (ReplaceRegion eObjectReference : eObjectReferences) {
                    if (eObjectReference.getOffset() <= offset && offset <= eObjectReference.getEndOffset()) {
                        String eObjectReferenceText = eObjectReference.getText();
                        if (!Strings.isNullOrEmpty(eObjectReferenceText)) {
                            ITextRegion region = new TextRegion(eObjectReference.getOffset(), eObjectReference.getLength());
                            IEObjectDescription candidate = getElementFromScope(scope, node, region, eObjectReferenceText);
                            if (candidate != null) {
                                EObject eObject = candidate.getEObjectOrProxy();
                                if (eObject != null) {
                                    return new EObjectInComment(eObject, region);
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    return null;
}

Example 80 with ITextRegion

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

the class TracingSugar method location.

/**
 * @param obj
 *            the EObject containing the feature
 * @param feature
 *            the EStructuralFeature to trace
 * @param idx
 *            the index of the value to trace, in case the feature contains a list, should be <code>-1</code>
 *            otherwise.
 *
 * @return ILocationData covering the <code>fullTextRegion</code> of the given feature in the given EObject.
 */
public ILocationData location(EObject obj, EStructuralFeature feature, int idx) {
    ITextRegion region = locationProvider.getFullTextRegion(obj, feature, idx);
    SourceRelativeURI uri = traceURIConverter.getURIForTrace(obj.eResource());
    return new LocationData((ITextRegionWithLineInformation) region, uri);
}