Java Code Examples for org.eclipse.xtext.GrammarUtil#getClasspathRelativePathToXmi()

The following examples show how to use org.eclipse.xtext.GrammarUtil#getClasspathRelativePathToXmi() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GrammarAccessFragment.java    From xtext-extras with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
public void generate(Grammar grammar, XpandExecutionContext ctx) {
	RuleNames.ensureAdapterInstalled(grammar);
	super.generate(grammar, ctx);

	final ResourceSaveIndicator isSaving = new ResourceSaveIndicator();
	// create a defensive clone
	Grammar copy = deepCopy(grammar, isSaving);
	ResourceSet set = copy.eResource().getResourceSet();

	// save grammar model
	String path;
	if (xmlVersion == null) {
		path = GrammarUtil.getClasspathRelativePathToBinGrammar(copy);
	} else {
		log.warn("'xmlVersion' has been specified for this "
				+ GrammarAccessFragment.class.getSimpleName()
				+ ". Therefore, the grammar is persisted as XMI and not as binary. This can be a performance drawback.");
		path = GrammarUtil.getClasspathRelativePathToXmi(copy);
	}
	URI uri = URI.createURI(ctx.getOutput().getOutlet(Generator.SRC_GEN).getPath() + "/" + path);
	Resource resource = set.createResource(uri, ContentHandler.UNSPECIFIED_CONTENT_TYPE);
	addAllGrammarsToResource(resource, copy, new HashSet<Grammar>());
	isSaving.set(Boolean.TRUE);
	Map<String, Object> saveOptions = Maps.newHashMap();
	if (resource instanceof XMLResource) {
		((XMLResource) resource).setXMLVersion(getXmlVersion());
	} else if (resource instanceof BinaryResourceImpl){
		saveOptions.put(BinaryResourceImpl.OPTION_VERSION, BinaryResourceImpl.BinaryIO.Version.VERSION_1_1);
		saveOptions.put(BinaryResourceImpl.OPTION_STYLE_DATA_CONVERTER, Boolean.TRUE);
	}
	try {
		resource.save(saveOptions);
	} catch (IOException e) {
		log.error(e.getMessage(), e);
	} finally {
		isSaving.set(Boolean.FALSE);
	}
}
Example 2
Source File: GrammarAccessFragment2.java    From xtext-core with Eclipse Public License 2.0 4 votes vote down vote up 
protected void writeGrammar() {
  final Wrapper<Boolean> isSaving = Wrapper.<Boolean>wrap(Boolean.valueOf(false));
  final ResourceSet cloneInto = new ResourceSetImpl();
  Map<String, Object> _extensionToFactoryMap = cloneInto.getResourceFactoryRegistry().getExtensionToFactoryMap();
  FragmentFakingEcoreResource.FactoryImpl _factoryImpl = new FragmentFakingEcoreResource.FactoryImpl(isSaving);
  _extensionToFactoryMap.put(
    FragmentFakingEcoreResource.FactoryImpl.ECORE_SUFFIX, _factoryImpl);
  final ResourceSet resourceSet = EcoreUtil2.<ResourceSet>clone(cloneInto, this.getLanguage().getGrammar().eResource().getResourceSet());
  EObject _head = IterableExtensions.<EObject>head(resourceSet.getResource(this.getLanguage().getGrammar().eResource().getURI(), true).getContents());
  final Grammar copy = ((Grammar) _head);
  String _xifexpression = null;
  if ((this.xmlVersion == null)) {
    _xifexpression = GrammarUtil.getClasspathRelativePathToBinGrammar(copy);
  } else {
    String _xblockexpression = null;
    {
      String _simpleName = GrammarAccessFragment2.class.getSimpleName();
      String _plus = ("The property \'xmlVersion\' has been specified for this " + _simpleName);
      String _plus_1 = (_plus + ". Therefore, the grammar is persisted as XMI and not as binary. This can be a performance drawback.");
      GrammarAccessFragment2.LOG.warn(_plus_1);
      _xblockexpression = GrammarUtil.getClasspathRelativePathToXmi(copy);
    }
    _xifexpression = _xblockexpression;
  }
  final String path = _xifexpression;
  final URI uri = this.getProjectConfig().getRuntime().getSrcGen().getURI(path);
  final Resource resource = resourceSet.createResource(uri, ContentHandler.UNSPECIFIED_CONTENT_TYPE);
  HashSet<Grammar> _hashSet = new HashSet<Grammar>();
  this.addAllGrammarsToResource(resource, copy, _hashSet);
  isSaving.set(Boolean.valueOf(true));
  final Map<String, Object> saveOptions = CollectionLiterals.<String, Object>newHashMap();
  if ((resource instanceof XMLResource)) {
    String _elvis = null;
    if (this.xmlVersion != null) {
      _elvis = this.xmlVersion;
    } else {
      _elvis = "1.0";
    }
    ((XMLResource)resource).setXMLVersion(_elvis);
  } else {
    if ((resource instanceof BinaryResourceImpl)) {
      saveOptions.put(BinaryResourceImpl.OPTION_VERSION, BinaryResourceImpl.BinaryIO.Version.VERSION_1_1);
      saveOptions.put(BinaryResourceImpl.OPTION_STYLE_DATA_CONVERTER, Boolean.valueOf(true));
    }
  }
  try {
    resource.save(saveOptions);
  } catch (final Throwable _t) {
    if (_t instanceof IOException) {
      final IOException e = (IOException)_t;
      GrammarAccessFragment2.LOG.error(e.getMessage(), e);
    } else {
      throw Exceptions.sneakyThrow(_t);
    }
  } finally {
    isSaving.set(Boolean.valueOf(false));
  }
}
Example 3
Source File: FormatFragmentUtil.java    From dsl-devkit with Eclipse Public License 1.0 2 votes vote down vote up 
/**
 * Returns a URI corresponding to the default location for format files. This is in the SRC outlet where the Xtext grammar file usually is.
 *
 * @param grammar
 *          Xtext grammar to get format file URI for
 * @param ctx
 *          xpand execution context (defines required SRC outlet)
 * @return the file URI to the default format file location
 */
private static URI getDefaultFormatLocation(final Grammar grammar, final XpandExecutionContext ctx) {
  final String xmiPath = GrammarUtil.getClasspathRelativePathToXmi(grammar);
  return URI.createFileURI(new File(ctx.getOutput().getOutlet(Generator.SRC).getPath(), xmiPath).getAbsolutePath()).trimFileExtension().appendFileExtension(FormatConstants.FILE_EXTENSION);
}