Examples of com.intellij.psi.PsiLanguageInjectionHost$Shred

com.intellij.psi.PsiLanguageInjectionHost
Marks psi element as (potentially) containing text in other language. Injected language PSI does not embed into the PSI tree of the hosting element, but is used by IDEA for highlighting, completion and other code insight actions. In order to do the injection, you have to
- Implement {@link com.intellij.psi.LanguageInjector} to describe exact place where injection should occur.
- Register injection in {@link com.intellij.psi.PsiManager#registerLanguageInjector(LanguageInjector)} .
Currently, language can be injected into string literals, XML tag contents and XML attributes. You don't have to implement PsiLanguageInjectionHost by yourself, unless you want to inject something into your own custom PSI. For all returned injected PSI elements, {@link PsiElement#getContext()} method returns PsiLanguageInjectionHost they were injected into.

 */
public class GrCucumberStepDeclarationSearcher extends PomDeclarationSearcher {


  @Override
  public void findDeclarationsAt(@NotNull PsiElement element, int offsetInElement, Consumer<PomTarget> consumer) {
    PsiLanguageInjectionHost host = InjectedLanguageManager.getInstance(element.getProject()).getInjectionHost(element);
    if (host != null) {
      element = host;
    }
    if (element.getParent() instanceof GrLiteral) {
      element = element.getParent();

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    }
  }


  private static boolean scopeMatches(PsiElement element, PsiElement declaration) {
    final InjectedLanguageManager injector = InjectedLanguageManager.getInstance(element.getProject());
    final PsiLanguageInjectionHost elementContainer = injector.getInjectionHost(element);
    final XmlTagChild elementTag = PsiTreeUtil.getNonStrictParentOfType(elementContainer, XmlTag.class, XmlText.class);
    final PsiLanguageInjectionHost declarationContainer = injector.getInjectionHost(declaration);
    final XmlTagChild declarationTag = PsiTreeUtil.getNonStrictParentOfType(declarationContainer, XmlTag.class, XmlText.class);


    if (declarationContainer != null && elementContainer != null && elementTag != null && declarationTag != null) {
      return PsiTreeUtil.isAncestor(declarationTag, elementTag, true) ||
             (PsiTreeUtil.isAncestor(declarationTag, elementTag, false) &&
              declarationContainer.getTextOffset() < elementContainer.getTextOffset());
    }
    return true;
  }

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  public static boolean isAsControllerRef(PsiReference ref, PsiElement parent) {
    if (parent instanceof AngularJSAsExpression && ref == parent.getFirstChild()) {
      return true;
    }
    final InjectedLanguageManager injector = InjectedLanguageManager.getInstance(parent.getProject());
    final PsiLanguageInjectionHost host = injector.getInjectionHost(parent);
    final PsiElement hostParent = host instanceof XmlAttributeValueImpl ? host.getParent() : null;
    final String normalized = hostParent instanceof XmlAttribute ?
                              DirectiveUtil.normalizeAttributeName(((XmlAttribute)hostParent).getName()) : null;
    return "ng-controller".equals(normalized);
  }

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Related Classes of com.intellij.psi.PsiLanguageInjectionHost$Shred

com.intellij.openapi.util.TextRange

org.angularjs.codeInsight.AngularJSProcessor

org.angularjs.lang.psi.AngularJSAsExpression

org.jetbrains.plugins.cucumber.groovy.steps.search.GrCucumberStepDeclarationSearcher

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