/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.psi.impl.smartPointers;
import com.intellij.lang.LanguageUtil;
import com.intellij.lang.injection.InjectedLanguageManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.ProperTextRange;
import com.intellij.psi.*;
import com.intellij.psi.impl.FreeThreadedFileViewProvider;
import org.jetbrains.annotations.NotNull;
/**
* User: cdr
*/
class SmartPsiFileRangePointerImpl extends SmartPsiElementPointerImpl<PsiFile> implements SmartPsiFileRange {
SmartPsiFileRangePointerImpl(@NotNull PsiFile containingFile, @NotNull ProperTextRange range, boolean forInjected) {
super(containingFile, createElementInfo(containingFile, range, forInjected));
}
@NotNull
private static SmartPointerElementInfo createElementInfo(@NotNull PsiFile containingFile, @NotNull ProperTextRange range, boolean forInjected) {
Project project = containingFile.getProject();
if (containingFile.getViewProvider() instanceof FreeThreadedFileViewProvider) {
PsiLanguageInjectionHost host = InjectedLanguageManager.getInstance(project).getInjectionHost(containingFile);
if (host != null) {
SmartPsiElementPointer<PsiLanguageInjectionHost> hostPointer = SmartPointerManager.getInstance(project).createSmartPsiElementPointer(host);
return new InjectedSelfElementInfo(project, containingFile, range, containingFile, hostPointer);
}
}
if (!forInjected && range.equals(containingFile.getTextRange())) return new FileElementInfo(containingFile);
return new SelfElementInfo(project, range, Identikit.fromTypes(PsiElement.class, null, LanguageUtil.getRootLanguage(containingFile)), containingFile, forInjected);
}
@Override
public PsiFile getContainingFile() {
return getElementInfo().restoreFile();
}
@Override
public PsiFile getElement() {
if (getRange() == null) return null; // range is invalid
return getContainingFile();
}
@Override
public String toString() {
return "SmartPsiFileRangePointerImpl{" + getElementInfo() + "}";
}
}