Java 类com.intellij.lang.LanguageWordCompletion 实例源码

private static boolean shouldPerformWordCompletion(CompletionParameters parameters) {
  final PsiElement insertedElement = parameters.getPosition();
  final boolean dumb = DumbService.getInstance(insertedElement.getProject()).isDumb();
  if (dumb) {
    return true;
  }

  if (parameters.getInvocationCount() == 0) {
    return false;
  }



  final PsiFile file = insertedElement.getContainingFile();
  final CompletionData data = CompletionUtil.getCompletionDataByElement(insertedElement, file);
  if (data != null) {
    Set<CompletionVariant> toAdd = new HashSet<CompletionVariant>();
    data.addKeywordVariants(toAdd, insertedElement, file);
    for (CompletionVariant completionVariant : toAdd) {
      if (completionVariant.hasKeywordCompletions()) {
        return false;
      }
    }
  }

  final int startOffset = parameters.getOffset();

  final PsiReference reference = file.findReferenceAt(startOffset);
  if (reference != null) {
    return false;
  }

  final PsiElement element = file.findElementAt(startOffset - 1);

  ASTNode textContainer = element != null ? element.getNode() : null;
  while (textContainer != null) {
    final IElementType elementType = textContainer.getElementType();
    if (LanguageWordCompletion.INSTANCE.isEnabledIn(elementType) || elementType == PlainTextTokenTypes.PLAIN_TEXT) {
      return true;
    }
    textContainer = textContainer.getTreeParent();
  }
  return false;
}

private static boolean shouldPerformWordCompletion(CompletionParameters parameters) {
  final PsiElement insertedElement = parameters.getPosition();
  final boolean dumb = DumbService.getInstance(insertedElement.getProject()).isDumb();
  if (dumb) {
    return true;
  }

  if (parameters.getInvocationCount() == 0) {
    return false;
  }



  final PsiFile file = insertedElement.getContainingFile();
  final CompletionData data = CompletionUtil.getCompletionDataByElement(insertedElement, file);
  if (data != null && !(data instanceof SyntaxTableCompletionData)) {
    Set<CompletionVariant> toAdd = new HashSet<CompletionVariant>();
    data.addKeywordVariants(toAdd, insertedElement, file);
    for (CompletionVariant completionVariant : toAdd) {
      if (completionVariant.hasKeywordCompletions()) {
        return false;
      }
    }
  }

  final int startOffset = parameters.getOffset();

  final PsiReference reference = file.findReferenceAt(startOffset);
  if (reference != null) {
    return false;
  }

  final PsiElement element = file.findElementAt(startOffset - 1);

  ASTNode textContainer = element != null ? element.getNode() : null;
  while (textContainer != null) {
    final IElementType elementType = textContainer.getElementType();
    if (LanguageWordCompletion.INSTANCE.isEnabledIn(elementType) || elementType == PlainTextTokenTypes.PLAIN_TEXT) {
      return true;
    }
    textContainer = textContainer.getTreeParent();
  }
  return false;
}

private static boolean shouldPerformWordCompletion(CompletionParameters parameters) {
  final PsiElement insertedElement = parameters.getPosition();
  final boolean dumb = DumbService.getInstance(insertedElement.getProject()).isDumb();
  if (dumb) {
    return true;
  }

  if (parameters.getInvocationCount() == 0) {
    return false;
  }



  final PsiFile file = insertedElement.getContainingFile();
  final CompletionData data = CompletionUtil.getCompletionDataByElement(insertedElement, file);
  if (data != null) {
    Set<CompletionVariant> toAdd = new HashSet<>();
    data.addKeywordVariants(toAdd, insertedElement, file);
    for (CompletionVariant completionVariant : toAdd) {
      if (completionVariant.hasKeywordCompletions()) {
        return false;
      }
    }
  }

  final int startOffset = parameters.getOffset();

  final PsiReference reference = file.findReferenceAt(startOffset);
  if (reference != null) {
    return false;
  }

  final PsiElement element = file.findElementAt(startOffset - 1);

  ASTNode textContainer = element != null ? element.getNode() : null;
  while (textContainer != null) {
    final IElementType elementType = textContainer.getElementType();
    if (LanguageWordCompletion.INSTANCE.isEnabledIn(textContainer) || elementType == PlainTextTokenTypes.PLAIN_TEXT) {
      return true;
    }
    textContainer = textContainer.getTreeParent();
  }
  return false;
}