static void performAtomically(@NotNull PsiFile file, @NotNull Runnable runnable) {
assert !isInsideAtomicChange(file);
file.putUserData(PSI_DOCUMENT_ATOMIC_ACTION, Boolean.TRUE);
try {
runnable.run();
} finally {
file.putUserData(PSI_DOCUMENT_ATOMIC_ACTION, null);
}
}
@Override
public PsiElement getMirror() {
TreeElement mirrorTreeElement = myMirrorFileElement;
if (mirrorTreeElement == null) {
synchronized (myMirrorLock) {
mirrorTreeElement = myMirrorFileElement;
if (mirrorTreeElement == null) {
VirtualFile file = getVirtualFile();
PsiClass[] classes = getClasses();
String fileName =
(classes.length > 0 ? classes[0].getName() : file.getNameWithoutExtension())
+ JavaFileType.DOT_DEFAULT_EXTENSION;
final Document document = FileDocumentManager.getInstance().getDocument(file);
assert document != null : file.getUrl();
CharSequence mirrorText = document.getImmutableCharSequence();
boolean internalDecompiler = StringUtil.startsWith(mirrorText, BANNER);
PsiFileFactory factory = PsiFileFactory.getInstance(getManager().getProject());
PsiFile mirror =
factory.createFileFromText(fileName, JavaLanguage.INSTANCE, mirrorText, false, false);
mirror.putUserData(PsiUtil.FILE_LANGUAGE_LEVEL_KEY, getLanguageLevel());
mirrorTreeElement = SourceTreeToPsiMap.psiToTreeNotNull(mirror);
try {
final TreeElement finalMirrorTreeElement = mirrorTreeElement;
ProgressManager.getInstance()
.executeNonCancelableSection(
new Runnable() {
@Override
public void run() {
setMirror(finalMirrorTreeElement);
putUserData(CLS_DOCUMENT_LINK_KEY, document);
}
});
} catch (InvalidMirrorException e) {
//noinspection ThrowableResultOfMethodCallIgnored
LOG.error(file.getUrl(), internalDecompiler ? e : wrapException(e, file));
}
((PsiFileImpl) mirror).setOriginalFile(this);
myMirrorFileElement = mirrorTreeElement;
}
}
}
return mirrorTreeElement.getPsi();
}
@Nullable
@Override
public Document getDocument(@NotNull PsiFile file) {
if (file instanceof PsiBinaryFile) return null;
Document document = getCachedDocument(file);
if (document != null) {
if (!file.getViewProvider().isPhysical() && document.getUserData(HARD_REF_TO_PSI) == null) {
PsiUtilCore.ensureValid(file);
cachePsi(document, file);
}
return document;
}
FileViewProvider viewProvider = file.getViewProvider();
if (!viewProvider.isEventSystemEnabled()) return null;
document = FileDocumentManager.getInstance().getDocument(viewProvider.getVirtualFile());
if (document != null) {
if (document.getTextLength() != file.getTextLength()) {
String message =
"Document/PSI mismatch: "
+ file
+ " ("
+ file.getClass()
+ "); physical="
+ viewProvider.isPhysical();
if (document.getTextLength() + file.getTextLength() < 8096) {
message +=
"\n=== document ===\n" + document.getText() + "\n=== PSI ===\n" + file.getText();
}
throw new AssertionError(message);
}
if (!viewProvider.isPhysical()) {
PsiUtilCore.ensureValid(file);
cachePsi(document, file);
file.putUserData(HARD_REF_TO_DOCUMENT, document);
}
}
return document;
}
private static Collection<String> suggestKeywords(PsiElement position) {
TextRange posRange = position.getTextRange();
BnfFile posFile = (BnfFile) position.getContainingFile();
BnfRule statement = PsiTreeUtil.getTopmostParentOfType(position, BnfRule.class);
final TextRange range;
if (statement != null) {
range = new TextRange(statement.getTextRange().getStartOffset(), posRange.getStartOffset());
} else {
int offset = posRange.getStartOffset();
for (PsiElement cur = GrammarUtil.getDummyAwarePrevSibling(position);
cur != null;
cur = GrammarUtil.getDummyAwarePrevSibling(cur)) {
if (cur instanceof BnfAttrs) offset = cur.getTextRange().getEndOffset();
else if (cur instanceof BnfRule) offset = cur.getTextRange().getStartOffset();
else continue;
break;
}
range = new TextRange(offset, posRange.getStartOffset());
}
final String text =
range.isEmpty()
? CompletionInitializationContext.DUMMY_IDENTIFIER
: range.substring(posFile.getText());
PsiFile file =
PsiFileFactory.getInstance(posFile.getProject())
.createFileFromText("a.bnf", BnfLanguage.INSTANCE, text, true, false);
int completionOffset = posRange.getStartOffset() - range.getStartOffset();
GeneratedParserUtilBase.CompletionState state =
new GeneratedParserUtilBase.CompletionState(completionOffset) {
@Override
public String convertItem(Object o) {
// we do not have other keywords
return o instanceof String ? (String) o : null;
}
};
file.putUserData(GeneratedParserUtilBase.COMPLETION_STATE_KEY, state);
TreeUtil.ensureParsed(file.getNode());
return state.items;
}
private XmlNSDescriptor getDefaultNSDescriptorInner(
final String namespace, final boolean strict) {
final XmlFile containingFile = XmlUtil.getContainingFile(this);
if (containingFile == null) return null;
final XmlProlog prolog = getProlog();
final XmlDoctype doctype = prolog != null ? prolog.getDoctype() : null;
boolean dtdUriFromDocTypeIsNamespace = false;
if (XmlUtil.HTML_URI.equals(namespace)) {
XmlNSDescriptor nsDescriptor =
doctype != null ? getNsDescriptorFormDocType(doctype, containingFile, true) : null;
if (doctype != null) {
LOG.debug(
"Descriptor from doctype "
+ doctype
+ " is "
+ (nsDescriptor != null ? nsDescriptor.getClass().getCanonicalName() : "NULL"));
}
if (nsDescriptor == null) {
String htmlns =
ExternalResourceManagerEx.getInstanceEx().getDefaultHtmlDoctype(getProject());
if (htmlns.isEmpty()) {
htmlns = Html5SchemaProvider.getHtml5SchemaLocation();
}
nsDescriptor = getDefaultNSDescriptor(htmlns, false);
}
return new HtmlNSDescriptorImpl(nsDescriptor);
} else if (XmlUtil.XHTML_URI.equals(namespace)) {
String xhtmlNamespace = XmlUtil.getDefaultXhtmlNamespace(getProject());
if (xhtmlNamespace == null || xhtmlNamespace.isEmpty()) {
xhtmlNamespace = Html5SchemaProvider.getXhtml5SchemaLocation();
}
return getDefaultNSDescriptor(xhtmlNamespace, false);
} else if (namespace != null && namespace != XmlUtil.EMPTY_URI) {
if (doctype == null || !namespace.equals(XmlUtil.getDtdUri(doctype))) {
boolean documentIsSchemaThatDefinesNs =
namespace.equals(XmlUtil.getTargetSchemaNsFromTag(getRootTag()));
final XmlFile xmlFile =
documentIsSchemaThatDefinesNs
? containingFile
: XmlUtil.findNamespace(containingFile, namespace);
if (xmlFile != null) {
final XmlDocument document = xmlFile.getDocument();
if (document != null) {
return (XmlNSDescriptor) document.getMetaData();
}
}
} else {
dtdUriFromDocTypeIsNamespace = true;
}
}
if (strict && !dtdUriFromDocTypeIsNamespace) return null;
if (doctype != null) {
XmlNSDescriptor descr = getNsDescriptorFormDocType(doctype, containingFile, false);
if (descr != null) {
return XmlExtension.getExtension(containingFile)
.getDescriptorFromDoctype(containingFile, descr);
}
}
if (strict) return null;
if (namespace == XmlUtil.EMPTY_URI) {
final XmlFile xmlFile = XmlUtil.findNamespace(containingFile, namespace);
if (xmlFile != null) {
return (XmlNSDescriptor) xmlFile.getDocument().getMetaData();
}
}
try {
final PsiFile fileFromText =
PsiFileFactory.getInstance(getProject())
.createFileFromText(
containingFile.getName() + ".dtd",
DTDLanguage.INSTANCE,
XmlUtil.generateDocumentDTD(this, false),
false,
false);
if (fileFromText instanceof XmlFile) {
fileFromText.putUserData(AUTO_GENERATED, Boolean.TRUE);
return (XmlNSDescriptor) ((XmlFile) fileFromText).getDocument().getMetaData();
}
} catch (ProcessCanceledException ex) {
throw ex;
} catch (RuntimeException ignored) {
} // e.g. dtd isn't mapped to xml type
return null;
}
public static void clearCachedInjectedFragmentsForFile(@NotNull PsiFile file) {
file.putUserData(INJECTED_DOCS_KEY, null);
}
QuickEditHandler(
Project project,
@NotNull PsiFile injectedFile,
final PsiFile origFile,
Editor editor,
QuickEditAction action) {
myProject = project;
myEditor = editor;
myAction = action;
myOrigDocument = editor.getDocument();
Place shreds = InjectedLanguageUtil.getShreds(injectedFile);
FileType fileType = injectedFile.getFileType();
Language language = injectedFile.getLanguage();
PsiLanguageInjectionHost.Shred firstShred = ContainerUtil.getFirstItem(shreds);
PsiFileFactory factory = PsiFileFactory.getInstance(project);
String text = InjectedLanguageManager.getInstance(project).getUnescapedText(injectedFile);
String newFileName =
StringUtil.notNullize(language.getDisplayName(), "Injected")
+ " Fragment "
+ "("
+ origFile.getName()
+ ":"
+ firstShred.getHost().getTextRange().getStartOffset()
+ ")"
+ "."
+ fileType.getDefaultExtension();
// preserve \r\n as it is done in MultiHostRegistrarImpl
myNewFile = factory.createFileFromText(newFileName, language, text, true, false);
myNewVirtualFile = ObjectUtils.assertNotNull((LightVirtualFile) myNewFile.getVirtualFile());
myNewVirtualFile.setOriginalFile(origFile.getVirtualFile());
assert myNewFile != null : "PSI file is null";
assert myNewFile.getTextLength() == myNewVirtualFile.getContent().length()
: "PSI / Virtual file text mismatch";
myNewVirtualFile.setOriginalFile(origFile.getVirtualFile());
// suppress possible errors as in injected mode
myNewFile.putUserData(
InjectedLanguageUtil.FRANKENSTEIN_INJECTION,
injectedFile.getUserData(InjectedLanguageUtil.FRANKENSTEIN_INJECTION));
myNewFile.putUserData(FileContextUtil.INJECTED_IN_ELEMENT, shreds.getHostPointer());
myNewDocument = PsiDocumentManager.getInstance(project).getDocument(myNewFile);
assert myNewDocument != null;
EditorActionManager.getInstance()
.setReadonlyFragmentModificationHandler(myNewDocument, new MyQuietHandler());
myOrigCreationStamp =
myOrigDocument.getModificationStamp(); // store creation stamp for UNDO tracking
myOrigDocument.addDocumentListener(this, this);
myNewDocument.addDocumentListener(this, this);
EditorFactory editorFactory = ObjectUtils.assertNotNull(EditorFactory.getInstance());
// not FileEditorManager listener because of RegExp checker and alike
editorFactory.addEditorFactoryListener(
new EditorFactoryAdapter() {
int useCount;
@Override
public void editorCreated(@NotNull EditorFactoryEvent event) {
if (event.getEditor().getDocument() != myNewDocument) return;
useCount++;
}
@Override
public void editorReleased(@NotNull EditorFactoryEvent event) {
if (event.getEditor().getDocument() != myNewDocument) return;
if (--useCount > 0) return;
if (Boolean.TRUE.equals(
myNewVirtualFile.getUserData(FileEditorManagerImpl.CLOSING_TO_REOPEN))) return;
Disposer.dispose(QuickEditHandler.this);
}
},
this);
if ("JAVA".equals(firstShred.getHost().getLanguage().getID())) {
PsiLanguageInjectionHost.Shred lastShred = ContainerUtil.getLastItem(shreds);
myAltFullRange =
myOrigDocument.createRangeMarker(
firstShred.getHostRangeMarker().getStartOffset(),
lastShred.getHostRangeMarker().getEndOffset());
myAltFullRange.setGreedyToLeft(true);
myAltFullRange.setGreedyToRight(true);
initGuardedBlocks(shreds);
myInjectedFile = null;
} else {
initMarkers(shreds);
myAltFullRange = null;
myInjectedFile = injectedFile;
}
}
