| package org.intellij.plugins.intelliLang.inject; |
| |
| import com.intellij.lang.injection.MultiHostInjector; |
| import com.intellij.lang.injection.MultiHostRegistrar; |
| import com.intellij.psi.PsiComment; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiLanguageInjectionHost; |
| import com.intellij.util.ArrayUtil; |
| import org.intellij.plugins.intelliLang.Configuration; |
| import org.intellij.plugins.intelliLang.inject.config.BaseInjection; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * @author gregsh |
| */ |
| public class CommentLanguageInjector implements MultiHostInjector { |
| |
| private final LanguageInjectionSupport[] mySupports; |
| private final LanguageInjectionSupport myInjectorSupport = new AbstractLanguageInjectionSupport() { |
| @NotNull |
| @Override |
| public String getId() { |
| return "comment"; |
| } |
| |
| @Override |
| public boolean isApplicableTo(PsiLanguageInjectionHost host) { |
| return true; |
| } |
| |
| @NotNull |
| @Override |
| public Class[] getPatternClasses() { |
| return ArrayUtil.EMPTY_CLASS_ARRAY; |
| } |
| }; |
| |
| |
| /** @noinspection UnusedParameters*/ |
| public CommentLanguageInjector(Configuration configuration) { |
| List<LanguageInjectionSupport> supports = new ArrayList<LanguageInjectionSupport>(InjectorUtils.getActiveInjectionSupports()); |
| supports.add(myInjectorSupport); |
| mySupports = ArrayUtil.toObjectArray(supports, LanguageInjectionSupport.class); |
| } |
| |
| @NotNull |
| public List<? extends Class<? extends PsiElement>> elementsToInjectIn() { |
| return Collections.singletonList(PsiLanguageInjectionHost.class); |
| } |
| |
| public void getLanguagesToInject(@NotNull final MultiHostRegistrar registrar, @NotNull final PsiElement context) { |
| if (!(context instanceof PsiLanguageInjectionHost) || context instanceof PsiComment) return; |
| if (!((PsiLanguageInjectionHost)context).isValidHost()) return; |
| PsiLanguageInjectionHost host = (PsiLanguageInjectionHost)context; |
| |
| boolean applicableFound = false; |
| for (LanguageInjectionSupport support : mySupports) { |
| if (!support.isApplicableTo(host)) continue; |
| if (support == myInjectorSupport && applicableFound) continue; |
| applicableFound = true; |
| |
| BaseInjection injection = support.findCommentInjection(host, null); |
| if (injection == null) continue; |
| if (!InjectorUtils.registerInjectionSimple(host, injection, support, registrar)) continue; |
| return; |
| } |
| } |
| } |