Java Language.getBaseLanguage方法代碼示例

import com.intellij.lang.Language; //導入方法依賴的package包/類
@Override
public FoldingBuilder forLanguage(@NotNull Language l) {
  FoldingBuilder cached = l.getUserData(getLanguageCache());
  if (cached != null) return cached;

  List<FoldingBuilder> extensions = forKey(l);
  FoldingBuilder result;
  if (extensions.isEmpty()) {

    Language base = l.getBaseLanguage();
    if (base != null) {
      result = forLanguage(base);
    }
    else {
      result = getDefaultImplementation();
    }
  }
  else {
    return extensions.size() == 1 ? extensions.get(0) : new CompositeFoldingBuilder(extensions);
  }

  l.putUserData(getLanguageCache(), result);
  return result;
}
 

import com.intellij.lang.Language; //導入方法依賴的package包/類
@Nullable
public static Commenter getCommenter(final PsiFile file, final Editor editor,
                                     final Language lineStartLanguage, final Language lineEndLanguage) {

  final FileViewProvider viewProvider = file.getViewProvider();

  for (MultipleLangCommentProvider provider : MultipleLangCommentProvider.EP_NAME.getExtensions()) {
    if (provider.canProcess(file, viewProvider)) {
      return provider.getLineCommenter(file, editor, lineStartLanguage, lineEndLanguage);
    }
  }

  final Language fileLanguage = file.getLanguage();
  Language lang = lineStartLanguage == null || LanguageCommenters.INSTANCE.forLanguage(lineStartLanguage) == null ||
                  fileLanguage.getBaseLanguage() == lineStartLanguage // file language is a more specific dialect of the line language
                  ? fileLanguage
                  : lineStartLanguage;

  if (viewProvider instanceof TemplateLanguageFileViewProvider &&
      lang == ((TemplateLanguageFileViewProvider)viewProvider).getTemplateDataLanguage()) {
    lang = viewProvider.getBaseLanguage();
  }

  return LanguageCommenters.INSTANCE.forLanguage(lang);
}
 

import com.intellij.lang.Language; //導入方法依賴的package包/類
@NotNull
@Override
protected List<CompletionContributor> buildExtensions(@NotNull String stringKey, @NotNull Language key) {
  Set<String> allowed = new THashSet<String>();
  while (key != null) {
    allowed.add(keyToString(key));
    key = key.getBaseLanguage();
  }
  allowed.add("any");
  return buildExtensions(allowed);
}
 

import com.intellij.lang.Language; //導入方法依賴的package包/類
/**
 * Attempts to get language-specific common settings from <code>LanguageCodeStyleSettingsProvider</code>.
 *
 * @param lang The language to get settings for.
 * @return If the provider for the language exists and is able to create language-specific default settings
 *         (<code>LanguageCodeStyleSettingsProvider.getDefaultCommonSettings()</code> doesn't return null)
 *         returns the instance of settings for this language. Otherwise returns the instance of parent settings
 *         shared between several languages.
 */
public CommonCodeStyleSettings getCommonSettings(@Nullable Language lang) {
  Map<Language, CommonCodeStyleSettings> commonSettingsMap = getCommonSettingsMap();
  CommonCodeStyleSettings settings = commonSettingsMap.get(lang);
  while (settings == null && lang != null) {
    lang = lang.getBaseLanguage();
    settings = commonSettingsMap.get(lang);
  }
  if (settings != null) {
    return settings;
  }
  return myParentSettings;
}
 

import com.intellij.lang.Language; //導入方法依賴的package包/類
public static boolean supportsXmlTypedHandlers(PsiFile file) {
  Language language = file.getLanguage();
  while (language != null) {
    if ("JavaScript".equals(language.getID())) return true;
    language = language.getBaseLanguage();
  }

  return false;
}