@Nullable
private static LanguageFileType substituteFileType(
Language language, VirtualFile vFile, Project project) {
LanguageFileType fileType = null;
if (vFile != null && project != null) {
Language substLanguage =
LanguageSubstitutors.INSTANCE.substituteLanguage(language, vFile, project);
if (substLanguage != language) {
fileType = substLanguage.getAssociatedFileType();
}
}
return fileType;
}
@NotNull
public static PsiFile createFileFromText(
@NotNull Project project,
@NotNull CharSequence text,
@NotNull LanguageFileType fileType,
@NotNull VirtualFile file,
@NotNull String fileName) {
final Language language = fileType.getLanguage();
final Language substitutedLanguage =
LanguageSubstitutors.INSTANCE.substituteLanguage(language, file, project);
return PsiFileFactory.getInstance(project)
.createFileFromText(fileName, substitutedLanguage, text, false, false, true, file);
}
@NotNull
public static FileType substituteFileType(
VirtualFile file, @NotNull FileType fileType, Project project) {
if (project == null) {
return fileType;
}
if (fileType instanceof LanguageFileType) {
final Language language = ((LanguageFileType) fileType).getLanguage();
final Language substitutedLanguage =
LanguageSubstitutors.INSTANCE.substituteLanguage(language, file, project);
LanguageFileType substFileType = substitutedLanguage.getAssociatedFileType();
if (!substitutedLanguage.equals(language) && substFileType != null) {
return new SubstitutedFileType(fileType, substFileType);
}
}
return fileType;
}