Java MultiHostRegistrar.addPlace方法代码示例

import com.intellij.lang.injection.MultiHostRegistrar; //导入方法依赖的package包/类
@NotNull
private static PyInjectionUtil.InjectionResult registerCommentInjection(@NotNull MultiHostRegistrar registrar,
                                                                        @NotNull PsiLanguageInjectionHost host) {
  final String text = host.getText();
  final Matcher m = PyTypingTypeProvider.TYPE_COMMENT_PATTERN.matcher(text);
  if (m.matches()) {
    final String annotationText = m.group(1);
    if (annotationText != null && isTypingAnnotation(annotationText)) {
      final int start = m.start(1);
      final int end = m.end(1);
      if (start < end && allowInjectionInComment(host)) {
        final Language language = PyDocstringLanguageDialect.getInstance();
        registrar.startInjecting(language);
        registrar.addPlace("", "", host, TextRange.create(start, end));
        registrar.doneInjecting();
        return new PyInjectionUtil.InjectionResult(true, true);
      }
    }
  }
  return PyInjectionUtil.InjectionResult.EMPTY;
}
 

import com.intellij.lang.injection.MultiHostRegistrar; //导入方法依赖的package包/类
public static void registerInjection(Language language, List<Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange>> list, PsiFile containingFile, MultiHostRegistrar registrar) {
  // if language isn't injected when length == 0, subsequent edits will not cause the language to be injected as well.
  // Maybe IDEA core is caching a bit too aggressively here?
  if (language == null/* && (pair.second.getLength() > 0*/) {
    return;
  }
  boolean injectionStarted = false;
  for (Trinity<PsiLanguageInjectionHost, InjectedLanguage, TextRange> trinity : list) {
    final PsiLanguageInjectionHost host = trinity.first;
    if (host.getContainingFile() != containingFile) continue;

    final TextRange textRange = trinity.third;
    final InjectedLanguage injectedLanguage = trinity.second;

    if (!injectionStarted) {
      registrar.startInjecting(language);
      injectionStarted = true;
    }
    registrar.addPlace(injectedLanguage.getPrefix(), injectedLanguage.getSuffix(), host, textRange);
  }
  if (injectionStarted) {
    registrar.doneInjecting();
  }
}
 

import com.intellij.lang.injection.MultiHostRegistrar; //导入方法依赖的package包/类
@Override
public void getLanguagesToInject(@NotNull MultiHostRegistrar registrar, @NotNull PsiElement context) {


    if(JSGraphQLLanguageInjectionUtil.isJSGraphQLLanguageInjectionTarget(context)) {

        final JSStringTemplateExpression template = (JSStringTemplateExpression)context;

        final TextRange graphQlTextRange = JSGraphQLLanguageInjectionUtil.getGraphQLTextRange(template);
        if(graphQlTextRange.isEmpty()) {
            // all whitespace
            return;
        }

        registrar.startInjecting(JSGraphQLLanguage.INSTANCE);

        final StringBuilder sb = new StringBuilder();
        final TextRange[] stringRanges = template.getStringRanges();
        int stringIndex = 0;
        boolean insideTemplate = false;
        for (ASTNode astNode : template.getNode().getChildren(null)) {
            if(astNode.getElementType() == JSTokenTypes.BACKQUOTE) {
                insideTemplate = true;
                continue;
            }
            if(astNode.getElementType() == JSTokenTypes.STRING_TEMPLATE_PART) {
                registrar.addPlace(sb.toString(), "", (PsiLanguageInjectionHost) template, stringRanges[stringIndex]);
                stringIndex++;
                sb.setLength(0);
            } else if(insideTemplate) {
                sb.append(astNode.getText());
            }
        }

        registrar.doneInjecting();
    }
}