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package org.eclipse.fx.code.editor.ldef.langs.text;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.fx.code.editor.Input;
import org.eclipse.fx.code.editor.ldef.LDefStandaloneSetup;
import org.eclipse.fx.code.editor.ldef.lDef.LanguageDef;
import org.eclipse.fx.code.editor.ldef.lDef.Root;
import org.eclipse.fx.code.editor.ldef.text.LDefModelProvider;
import org.eclipse.fx.code.editor.services.URIProvider;
import org.osgi.service.component.annotations.Component;
@Component(service={LDefModelProvider.class,LDefDefaultModelProvider.class})
public class LDefDefaultModelProvider implements LDefModelProvider {
private final Map<String,URI> definitionURI = new HashMap<>();
private final Map<String,LanguageDef> definitionCache = new HashMap<>();
private ResourceSetImpl rs;
public LDefDefaultModelProvider() {
LDefStandaloneSetup.doSetup();
rs = new ResourceSetImpl();
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/dart/dart.ldef"),"dart");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/js/js.ldef"),"js");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/java/java.ldef"),"java");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/xml/xml.ldef"),"xml");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/go/go.ldef"),"go");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/rust/rust.ldef"),"rust");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/swift/swift.ldef"),"swift");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/groovy/groovy.ldef"),"groovy");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/python/python.ldef"),"python");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/php/php.ldef"),"php");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/asciidoc/asciidoc.ldef"),"adoc");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/ceylon/ceylon.ldef"),"ceylon");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/kotlin/kotlin.ldef"),"kotlin");
register(URI.createURI("platform:/plugin/org.eclipse.fx.code.editor.ldef.langs/org/eclipse/fx/code/editor/ldef/langs/lua/lua.ldef"),"lua");
}
private void register(URI uri, String fileSuffix) {
definitionURI.put(fileSuffix, uri);
}
@Override
public boolean applies(Input<?> input) {
if( input instanceof URIProvider ) {
String uri = ((URIProvider) input).getURI();
String[] parts = uri.split("/");
String lastSegment = parts[parts.length-1];
int idx = lastSegment.lastIndexOf('.');
if( idx != -1 ) {
return definitionURI.containsKey(lastSegment.substring(idx+1));
}
}
return false;
}
@Override
public LanguageDef getModel(Input<?> input) {
if( input instanceof URIProvider ) {
String uri = ((URIProvider) input).getURI();
String[] parts = uri.split("/");
String lastSegment = parts[parts.length-1];
int idx = lastSegment.lastIndexOf('.');
if( idx != -1 ) {
return getModelByExtension(lastSegment.substring(idx+1));
}
}
return null;
}
public LanguageDef getModelByExtension(String extension) {
LanguageDef def = definitionCache.get(extension);
if( def == null ) {
Resource resource = rs.getResource(definitionURI.get(extension), true);
def = ((Root) resource.getContents().get(0)).getLanguageDefinition();
definitionCache.put(extension, def);
}
return def;
}
}
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