Examples with StringBasedTextRegionAccessDiffBuilder org.eclipse.xtext.formatting2.regionaccess.internal.StringBasedTextRegionAccessDiffBuilder used on opensource projects

Example 1 with StringBasedTextRegionAccessDiffBuilder

use of org.eclipse.xtext.formatting2.regionaccess.internal.StringBasedTextRegionAccessDiffBuilder in project xtext-core by eclipse.

the class RecordingXtextResourceUpdater method beginRecording.

public ITextRegionDiffBuilder beginRecording(IChangeSerializer serializer, XtextResource resource) {
    this.serializer = serializer;
    this.snapshot = snapshotProvider.createResourceSnapshot(resource);
    this.document = new StringBasedTextRegionAccessDiffBuilder(this.snapshot.getRegions());
    EcoreUtil.resolveAll(resource);
    this.recorder = new ChangeRecorder(resource);
    return this.document;
}

Example 2 with StringBasedTextRegionAccessDiffBuilder

use of org.eclipse.xtext.formatting2.regionaccess.internal.StringBasedTextRegionAccessDiffBuilder in project xtext-core by eclipse.

the class RelatedXtextResourceUpdater method applyChange.

@Override
public void applyChange(Deltas deltas, IAcceptor<IEmfResourceChange> changeAcceptor) {
    XtextResource res = (XtextResource) lifecycleManager.openAndApplyReferences(getResourceSet(), getResource());
    if (!referenceUpdater.isAffected(deltas, getResource())) {
        return;
    }
    ITextRegionAccess base = textRegionBuilderProvider.get().forNodeModel(res).create();
    ITextRegionDiffBuilder rewriter = new StringBasedTextRegionAccessDiffBuilder(base);
    ReferenceUpdaterContext context = new ReferenceUpdaterContext(deltas, rewriter, getResource());
    referenceUpdater.update(context);
    if (!context.getModifications().isEmpty()) {
        ChangeRecorder rec = new ChangeRecorder(res);
        for (Runnable run : context.getModifications()) {
            run.run();
        }
        ChangeDescription recording = rec.endRecording();
        ResourceSet rs = res.getResourceSet();
        ResourceSetRecording tree = changeTreeProvider.createChangeTree(rs, Collections.emptyList(), recording);
        ResourceRecording recordedResource = tree.getRecordedResource(res);
        if (recordedResource != null) {
            serializer.serializeChanges(recordedResource, rewriter);
        }
    }
    for (IUpdatableReference upd : context.getUpdatableReferences()) {
        referenceUpdater.updateReference(rewriter, upd);
    }
    ITextRegionAccessDiff rewritten = rewriter.create();
    List<ITextReplacement> rep = formatter.format(rewritten);
    TextDocumentChange change = new TextDocumentChange(rewritten, getResource().getUri(), rep);
    changeAcceptor.accept(change);
}

Example 3 with StringBasedTextRegionAccessDiffBuilder

use of org.eclipse.xtext.formatting2.regionaccess.internal.StringBasedTextRegionAccessDiffBuilder in project xtext-core by eclipse.

the class RegionAccessTestHelper method modify.

public ITextRegionAccess modify(final ITextRegionAccess base, final Procedure1<? super ITextRegionDiffBuilder> modify) {
    final StringBasedTextRegionAccessDiffBuilder fac = new StringBasedTextRegionAccessDiffBuilder(base);
    modify.apply(fac);
    final StringBasedTextRegionAccessDiff modified = fac.create();
    return modified;
}