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

Example 6 with ITextRegionAccessDiff

use of org.eclipse.xtext.formatting2.regionaccess.ITextRegionAccessDiff 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 7 with ITextRegionAccessDiff

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

the class RegionAccessTestHelper method operator_tripleEquals.

public void operator_tripleEquals(final ITextRegionAccess access, final CharSequence expectation) {
    if ((access instanceof ITextRegionAccessDiff)) {
        this.assertDiffs(((ITextRegionAccessDiff) access));
    }
    TextRegionAccessToString _cfg = this.cfg(new TextRegionAccessToString().withRegionAccess(access));
    final String tra1 = (_cfg + "\n");
    Assert.assertEquals(Strings.toPlatformLineSeparator(expectation), Strings.toPlatformLineSeparator(tra1));
}

Example 8 with ITextRegionAccessDiff

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

the class RegionAccessTestHelper method assertDiffs.

public void assertDiffs(final ITextRegionAccessDiff regions) {
    final ITextRegionRewriter rewriter = regions.getOriginalTextRegionAccess().getRewriter();
    final ArrayList<ITextReplacement> result = Lists.<ITextReplacement>newArrayList();
    List<ITextSegmentDiff> _regionDifferences = regions.getRegionDifferences();
    for (final ITextSegmentDiff r : _regionDifferences) {
        {
            final ITextSegment originalRegion = r.getOriginalRegion();
            final ITextSegment modifiedRegion = r.getModifiedRegion();
            final ITextReplacement replacement = originalRegion.replaceWith(modifiedRegion.getText());
            result.add(replacement);
        }
    }
    final String actual = rewriter.renderToString(result);
    final String expected = regions.regionForDocument().getText();
    Assert.assertEquals(expected, actual);
}