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injected smart pointers

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This commit is contained in:
Alexey Kudravtsev
2013-10-30 16:54:41 +04:00
parent 0b9244f61d
commit a4c164361a
2 changed files with 49 additions and 26 deletions
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platform/core-impl/src/com/intellij/psi/impl/smartPointers/InjectedSelfElementInfo.java
+42 -22
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2010 JetBrains s.r.o.
* Copyright 2000-2013 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.
@@ -46,7 +46,7 @@ class InjectedSelfElementInfo extends SelfElementInfo {
@NotNull PsiElement hostContext) {
super(project, hostContext);
assert containingFile.getViewProvider() instanceof FreeThreadedFileViewProvider : "element parameter must be an injected element: "+injectedElement+"; "+containingFile;
ProperTextRange.assertProperRange(injectedRange);
TextRange.assertProperRange(injectedRange);
assert containingFile.getTextRange().contains(injectedRange) : "Injected range outside the file: "+injectedRange +"; file: "+containingFile.getTextRange();
TextRange hostRange = InjectedLanguageManager.getInstance(project).injectedToHost(injectedElement, injectedRange);
@@ -54,8 +54,8 @@ class InjectedSelfElementInfo extends SelfElementInfo {
assert !(hostFile.getViewProvider() instanceof FreeThreadedFileViewProvider) : "hostContext parameter must not be and injected element: "+hostContext;
SmartPointerManager smartPointerManager = SmartPointerManager.getInstance(project);
myInjectedFileRangeInHostFile = smartPointerManager.createSmartPsiFileRangePointer(hostFile, hostRange);
anchorClass = containingFile.findElementAt(injectedRange.getStartOffset()).getClass();
anchorLanguage = containingFile.getLanguage();
anchorClass = injectedElement.getClass(); //containingFile.findElementAt(injectedRange.getStartOffset()).getClass();
}
@Override
@@ -73,32 +73,40 @@ class InjectedSelfElementInfo extends SelfElementInfo {
@Override
public PsiElement restoreElement() {
if (!mySyncMarkerIsValid) return null;
PsiFile file = restoreFileFromVirtual(myVirtualFile, myProject, myLanguage);
if (file == null || !file.isValid()) return null;
PsiFile hostFile = restoreFileFromVirtual(myVirtualFile, myProject, myLanguage);
if (hostFile == null || !hostFile.isValid()) return null;
PsiElement hostContext = restoreFromFile(file);
PsiElement hostContext = restoreFromFile(hostFile);
if (hostContext == null) return null;
Segment segment = myInjectedFileRangeInHostFile.getRange();
if (segment == null) return null;
final TextRange rangeInHostFile = TextRange.create(segment);
final Ref<PsiElement> result = new Ref<PsiElement>();
PsiElement result = null;
PsiFile injectedPsi = getInjectedFileIn(hostContext, hostFile, rangeInHostFile);
if (injectedPsi != null) {
Document document = PsiDocumentManager.getInstance(getProject()).getDocument(injectedPsi);
int start = ((DocumentWindow)document).hostToInjected(rangeInHostFile.getStartOffset());
int end = ((DocumentWindow)document).hostToInjected(rangeInHostFile.getEndOffset());
result = findElementInside(injectedPsi, start, end, anchorClass, anchorLanguage);
}
return result;
}
private PsiFile getInjectedFileIn(@NotNull final PsiElement hostContext,
@NotNull final PsiFile hostFile, final TextRange rangeInHostFile
) {
final InjectedLanguageManager manager = InjectedLanguageManager.getInstance(getProject());
PsiFile hostFile = hostContext.getContainingFile();
if (hostFile == null) return null;
PsiLanguageInjectionHost.InjectedPsiVisitor visitor = new PsiLanguageInjectionHost.InjectedPsiVisitor() {
final PsiFile[] result = {null};
final PsiLanguageInjectionHost.InjectedPsiVisitor visitor = new PsiLanguageInjectionHost.InjectedPsiVisitor() {
@Override
public void visit(@NotNull PsiFile injectedPsi, @NotNull List<PsiLanguageInjectionHost.Shred> places) {
if (result.get() != null) return;
TextRange hostRange = manager.injectedToHost(injectedPsi, new TextRange(0, injectedPsi.getTextLength()));
Document document = PsiDocumentManager.getInstance(getProject()).getDocument(injectedPsi);
if (hostRange.contains(rangeInHostFile) && document instanceof DocumentWindow) {
int start = ((DocumentWindow)document).hostToInjected(rangeInHostFile.getStartOffset());
int end = ((DocumentWindow)document).hostToInjected(rangeInHostFile.getEndOffset());
PsiElement element = findElementInside(injectedPsi, start, end, anchorClass, anchorLanguage);
result.set(element);
result[0] = injectedPsi;
}
}
};
@@ -123,7 +131,7 @@ class InjectedSelfElementInfo extends SelfElementInfo {
}
}
return result.get();
return result[0];
}
@Override
@@ -137,17 +145,29 @@ class InjectedSelfElementInfo extends SelfElementInfo {
@Override
public PsiFile restoreFile() {
PsiElement element = restoreElement();
return element == null ? null : element.getContainingFile();
PsiFile hostFile = restoreFileFromVirtual(myVirtualFile, myProject, myLanguage);
if (hostFile == null || !hostFile.isValid()) return null;
PsiElement hostContext = restoreFromFile(hostFile);
if (hostContext == null) return null;
Segment segment = myInjectedFileRangeInHostFile.getRange();
if (segment == null) return null;
final TextRange rangeInHostFile = TextRange.create(segment);
return getInjectedFileIn(hostContext, hostFile, rangeInHostFile);
}
public ProperTextRange getInjectedRange() {
PsiFile hostFile = restoreFileFromVirtual(myVirtualFile, myProject, myLanguage);
if (hostFile == null || !hostFile.isValid()) return null;
PsiElement hostContext = restoreFromFile(hostFile);
if (hostContext == null) return null;
Segment hostElementRange = myInjectedFileRangeInHostFile.getRange();
if (hostElementRange == null) return null;
PsiElement injectedElement = restoreElement();
if (injectedElement == null) return null;
PsiFile injectedFile = injectedElement.getContainingFile();
PsiFile injectedFile = restoreFile();
if (injectedFile == null) return null;
VirtualFile virtualFile = injectedFile.getVirtualFile();
DocumentWindow documentWindow = virtualFile instanceof VirtualFileWindow ? ((VirtualFileWindow)virtualFile).getDocumentWindow() : null;
platform/core-impl/src/com/intellij/psi/impl/smartPointers/SelfElementInfo.java
+7 -4
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2010 JetBrains s.r.o.
* Copyright 2000-2013 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.
@@ -166,7 +166,11 @@ public class SelfElementInfo implements SmartPointerElementInfo {
return restoreFileFromVirtual(myVirtualFile, myProject, myLanguage);
}
protected static PsiElement findElementInside(@NotNull PsiFile file, int syncStartOffset, int syncEndOffset, @NotNull Class type, @NotNull Language language) {
protected static PsiElement findElementInside(@NotNull PsiFile file,
int syncStartOffset,
int syncEndOffset,
@NotNull Class type,
@NotNull Language language) {
PsiElement anchor = file.getViewProvider().findElementAt(syncStartOffset, language);
if (anchor == null) return null;
@@ -185,8 +189,7 @@ public class SelfElementInfo implements SmartPointerElementInfo {
range = anchor.getTextRange();
}
if (range.getEndOffset() == syncEndOffset) return anchor;
return null;
return range.getEndOffset() == syncEndOffset ? anchor : null;
}
private RangeMarker getMarker() {