public void registerReferenceProviders(PsiReferenceRegistrar registrar) {
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.annotationParam("org.unitils.dbunit.annotation.DataSet", "value"),
new URIReferenceProvider(),
PsiReferenceRegistrar.HIGHER_PRIORITY);
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.annotationParam("org.unitils.dbunit.annotation.ExpectedDataSet", "value"),
new URIReferenceProvider(),
PsiReferenceRegistrar.HIGHER_PRIORITY);
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.insideAnnotationParam(
PlatformPatterns.string()
.with(
new PatternCondition<String>("DataSet") {
public boolean accepts(
@NotNull final String annotationFQN,
final ProcessingContext context) {
return annotationFQN.equals("org.unitils.dbunit.annotation.DataSet");
}
}),
"value"),
new URIReferenceProvider());
}
public static CompletionResultSet addJavaSorting(
final CompletionParameters parameters, CompletionResultSet result) {
final PsiElement position = parameters.getPosition();
final ExpectedTypeInfo[] expectedTypes =
PsiJavaPatterns.psiElement()
.beforeLeaf(PsiJavaPatterns.psiElement().withText("."))
.accepts(position)
? ExpectedTypeInfo.EMPTY_ARRAY
: JavaSmartCompletionContributor.getExpectedTypes(parameters);
final CompletionType type = parameters.getCompletionType();
final boolean smart = type == CompletionType.SMART;
final boolean afterNew = JavaSmartCompletionContributor.AFTER_NEW.accepts(position);
List<LookupElementWeigher> afterProximity = new ArrayList<LookupElementWeigher>();
afterProximity.add(new PreferContainingSameWords(expectedTypes));
if (smart) {
afterProximity.add(new PreferFieldsAndGetters());
}
afterProximity.add(new PreferShorter(expectedTypes));
CompletionSorter sorter = CompletionSorter.defaultSorter(parameters, result.getPrefixMatcher());
if (!smart && afterNew) {
sorter = sorter.weighBefore("liftShorter", new PreferExpected(true, expectedTypes));
} else if (PsiTreeUtil.getParentOfType(position, PsiReferenceList.class) == null) {
sorter =
((CompletionSorterImpl) sorter)
.withClassifier("liftShorterClasses", true, new LiftShorterClasses(position));
}
if (smart) {
sorter =
sorter.weighAfter("priority", new PreferDefaultTypeWeigher(expectedTypes, parameters));
}
List<LookupElementWeigher> afterPrefix = ContainerUtil.newArrayList();
if (!smart) {
ContainerUtil.addIfNotNull(afterPrefix, preferStatics(position, expectedTypes));
}
ContainerUtil.addIfNotNull(afterPrefix, recursion(parameters, expectedTypes));
if (!smart && !afterNew) {
afterPrefix.add(new PreferExpected(false, expectedTypes));
}
Collections.addAll(
afterPrefix,
new PreferByKindWeigher(type, position),
new PreferSimilarlyEnding(expectedTypes),
new PreferNonGeneric(),
new PreferAccessible(position),
new PreferSimple(),
new PreferEnumConstants(parameters));
sorter =
sorter.weighAfter(
"prefix", afterPrefix.toArray(new LookupElementWeigher[afterPrefix.size()]));
sorter =
sorter.weighAfter(
"proximity", afterProximity.toArray(new LookupElementWeigher[afterProximity.size()]));
return result.withRelevanceSorter(sorter);
}
@Override
@Nullable
public ExpectedTypeInfo[] fun(final CompletionLocation location) {
if (PsiJavaPatterns.psiElement()
.beforeLeaf(PsiJavaPatterns.psiElement().withText("."))
.accepts(location.getCompletionParameters().getPosition())) {
return ExpectedTypeInfo.EMPTY_ARRAY;
}
return JavaSmartCompletionContributor.getExpectedTypes(
location.getCompletionParameters());
}
public static CompletionResultSet addJavaSorting(
final CompletionParameters parameters, CompletionResultSet result) {
String prefix = result.getPrefixMatcher().getPrefix();
final PsiElement position = parameters.getPosition();
final ExpectedTypeInfo[] expectedTypes =
PsiJavaPatterns.psiElement()
.beforeLeaf(PsiJavaPatterns.psiElement().withText("."))
.accepts(position)
? ExpectedTypeInfo.EMPTY_ARRAY
: JavaSmartCompletionContributor.getExpectedTypes(parameters);
final CompletionType type = parameters.getCompletionType();
final boolean smart = type == CompletionType.SMART;
final boolean afterNew = JavaSmartCompletionContributor.AFTER_NEW.accepts(position);
List<LookupElementWeigher> afterNegativeStats = new ArrayList<LookupElementWeigher>();
if (!smart) {
ContainerUtil.addIfNotNull(afterNegativeStats, preferStatics(position));
}
afterNegativeStats.add(new PreferLocalVariablesLiteralsAndAnnoMethodsWeigher(type, position));
ContainerUtil.addIfNotNull(afterNegativeStats, recursion(parameters, expectedTypes));
if (!smart && !afterNew) {
afterNegativeStats.add(new PreferExpected(false, expectedTypes));
}
afterNegativeStats.add(new PreferSimilarlyEnding(expectedTypes, prefix));
List<LookupElementWeigher> afterProximity = new ArrayList<LookupElementWeigher>();
afterProximity.add(new PreferContainingSameWords(expectedTypes));
if (smart) {
afterProximity.add(new PreferFieldsAndGetters());
}
afterProximity.add(new PreferShorter(expectedTypes, prefix));
CompletionSorter sorter = CompletionSorter.defaultSorter(parameters, result.getPrefixMatcher());
if (!smart && afterNew) {
sorter = sorter.weighBefore("liftShorter", new PreferExpected(true, expectedTypes));
} else {
final ProjectFileIndex fileIndex =
ProjectRootManager.getInstance(position.getProject()).getFileIndex();
sorter =
((CompletionSorterImpl) sorter)
.withClassifier(
"liftShorter",
true,
new ClassifierFactory<LookupElement>("liftShorterClasses") {
@Override
public Classifier<LookupElement> createClassifier(
Classifier<LookupElement> next) {
return new LiftShorterItemsClassifier(
next,
new LiftShorterItemsClassifier.LiftingCondition() {
@Override
public boolean shouldLift(
LookupElement shorterElement,
LookupElement longerElement,
ProcessingContext context) {
if (super.shouldLift(shorterElement, longerElement, context)) {
return true;
}
Object object = shorterElement.getObject();
if (object instanceof PsiClass) {
PsiFile file = ((PsiClass) object).getContainingFile();
if (file != null) {
VirtualFile vFile = file.getOriginalFile().getVirtualFile();
if (vFile != null && fileIndex.isInSource(vFile)) {
return true;
}
}
}
return false;
}
});
}
});
}
if (smart) {
sorter =
sorter.weighBefore(
"negativeStats", new PreferDefaultTypeWeigher(expectedTypes, parameters));
}
sorter =
sorter.weighAfter(
"negativeStats",
afterNegativeStats.toArray(new LookupElementWeigher[afterNegativeStats.size()]));
sorter =
sorter.weighAfter(
"prefix",
new PreferNonGeneric(),
new PreferAccessible(position),
new PreferSimple(),
new PreferEnumConstants(parameters));
sorter =
sorter.weighAfter(
"proximity", afterProximity.toArray(new LookupElementWeigher[afterProximity.size()]));
return result.withRelevanceSorter(sorter);
}
public class TypeCompletionHandler extends AbstractCompletionHandler {
private static final List<PsiPrimitiveType> PRIMITIVE_TYPES =
ImmutableList.of(
PsiType.BYTE,
PsiType.CHAR,
PsiType.DOUBLE,
PsiType.FLOAT,
PsiType.INT,
PsiType.LONG,
PsiType.SHORT,
PsiType.BOOLEAN,
PsiType.VOID);
public static final PsiJavaElementPattern.Capture<PsiElement> IN_TYPE_PARAMETER =
PsiJavaPatterns.psiElement()
.afterLeaf(PsiKeyword.EXTENDS, PsiKeyword.SUPER, "&")
.withParent(
PsiJavaPatterns.psiElement(PsiReferenceList.class)
.withParent(PsiTypeParameter.class));
public static final PsiJavaElementPattern.Capture<PsiElement> INSIDE_METHOD_THROWS_CLAUSE =
PsiJavaPatterns.psiElement()
.afterLeaf(PsiKeyword.THROWS, ",")
.inside(PsiMethod.class)
.andNot(PsiJavaPatterns.psiElement().inside(PsiCodeBlock.class))
.andNot(PsiJavaPatterns.psiElement().inside(PsiParameterList.class));
public static final ElementPattern<PsiElement> AFTER_THROW_NEW =
psiElement()
.afterLeaf(
psiElement()
.withText(PsiKeyword.NEW)
.afterLeaf(psiElement().withText(PsiKeyword.THROW)));
private final ElementFilter _filter;
private int _weight;
@NotNull private final PrefixMatcher _prefixMatcher;
private final boolean _javaCtx;
public TypeCompletionHandler(
@NotNull CompletionParameters parameters, @NotNull CompletionResultSet result, int weight) {
super(parameters, result);
_filter = getDefaultFilter(parameters.getPosition());
_weight = weight;
_prefixMatcher = result.getPrefixMatcher();
_javaCtx = parameters.getPosition() instanceof PsiIdentifier;
}
public TypeCompletionHandler(
@NotNull CompletionParameters parameters,
@NotNull CompletionResultSet result,
ElementFilter filter,
int weight) {
super(parameters, result);
_filter = filter;
_weight = weight;
_prefixMatcher = result.getPrefixMatcher();
_javaCtx = parameters.getPosition() instanceof PsiIdentifier;
}
@NotNull
private ElementFilter getDefaultFilter(PsiElement insertedElement) {
return AFTER_THROW_NEW.accepts(insertedElement)
? new AssignableFromFilter("java.lang.Throwable")
: IN_TYPE_PARAMETER.accepts(insertedElement)
? new ExcludeDeclaredFilter(new ClassFilter(PsiTypeParameter.class))
: INSIDE_METHOD_THROWS_CLAUSE.accepts(insertedElement)
? new AnyInnerFilter(new AssignableFromFilter("java.lang.Throwable"))
: getLocalFilter(insertedElement);
}
@Override
public void handleCompletePath() {
final PsiElement position = getContext().getPosition();
if (position instanceof GosuIdentifierImpl) {
if (position.getParent() instanceof GosuTypeLiteralImpl) {
if (position.getParent().getParent() instanceof GosuUsesStatementImpl) {
return;
}
}
}
// primitives are always available
addPrimitives();
addScratchpadInnerClasses(position);
// ## THIS IS DOGASS SLOW, the eventual call to CustomPsiClassCache.getByShortName() is f*****g
// molasses, don't do this here.
// AllClassesGetter.processJavaClasses( _params, _prefixMatcher, _params.getInvocationCount()
// <= 1, new Consumer<PsiClass>() {
// ...
// } );
addTypeLoaderTypes();
if (getTotalCompletions() == 0 && _params.getInvocationCount() < 2) {
stopFilterByInvocationCount();
addTypeLoaderTypes();
}
}
private void addTypeLoaderTypes() {
Set<String> fqnSet = new HashSet<String>();
for (ITypeLoader loader : TypeSystem.getAllTypeLoaders()) {
if (!loader.showTypeNamesInIDE()) {
continue;
}
for (CharSequence typeName : loader.getAllTypeNames()) {
String fqn = typeName.toString();
int iAngle = fqn.indexOf('<');
if (iAngle >= 0) {
fqn = fqn.substring(0, iAngle);
}
if (fqnSet.contains(fqn)) {
continue;
}
int iDot = fqn.lastIndexOf('.');
String relativeName = iDot >= 0 ? fqn.substring(iDot + 1) : fqn;
if (_prefixMatcher.prefixMatches(relativeName)) {
if (_filter == null || _filter.isAcceptable(fqn, _params.getPosition())) {
IType type = TypeSystem.getByFullNameIfValid(fqn, loader.getModule());
if (type == null) {
continue;
}
// Note this second cache lookup exists because there is a many-to-one mapping
// between type names and ITypes e.g., several type names may map to an entity type.
fqn = type.getName();
if (fqnSet.contains(fqn)) {
continue;
}
fqnSet.add(fqn);
addCompletion(
new GosuTypeCompletionProposal(type, getContext().getPosition(), _weight),
_javaCtx);
}
}
}
}
}
private void addScratchpadInnerClasses(@Nullable PsiElement position) {
if (position == null) {
return;
}
PsiFile psiFile = position.getContainingFile();
if (!(psiFile instanceof GosuScratchpadFileImpl)) {
return;
}
GosuScratchpadFileImpl scratchpadFile = (GosuScratchpadFileImpl) psiFile;
for (PsiClass cls : scratchpadFile.getPsiClass().getInnerClasses()) {
if (cls.getName().startsWith(_prefixMatcher.getPrefix())) {
addCompletion(new PsiClassCompletionProposal(cls, _weight), _javaCtx);
}
}
}
private void addPrimitives() {
for (PsiType type : PRIMITIVE_TYPES) {
if (type.getCanonicalText().startsWith(_prefixMatcher.getPrefix())) {
addCompletion(new PrimitiveCompletionProposal(type), _javaCtx);
}
}
if ("block".startsWith(_prefixMatcher.getPrefix())) {
addCompletion(new RawCompletionProposal("block"));
}
}
}
@Override
public Result acceptChar(char c, final int prefixLength, final Lookup lookup) {
if (!lookup.getPsiFile().getLanguage().isKindOf(JavaLanguage.INSTANCE)) {
return null;
}
LookupElement item = lookup.getCurrentItem();
if (item == null) return null;
final Object o = item.getObject();
if (c == '!') {
if (o instanceof PsiVariable) {
if (PsiType.BOOLEAN.isAssignableFrom(((PsiVariable) o).getType()))
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
if (o instanceof PsiMethod) {
final PsiType type = ((PsiMethod) o).getReturnType();
if (type != null && PsiType.BOOLEAN.isAssignableFrom(type))
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
if (o instanceof PsiKeyword && ((PsiKeyword) o).textMatches(PsiKeyword.INSTANCEOF)) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
return null;
}
if (c == '.' && isWithinLiteral(lookup)) return Result.ADD_TO_PREFIX;
if (c == ':') {
PsiFile file = lookup.getPsiFile();
PsiDocumentManager.getInstance(file.getProject())
.commitDocument(lookup.getEditor().getDocument());
PsiElement leaf = file.findElementAt(lookup.getEditor().getCaretModel().getOffset() - 1);
if (PsiUtil.getLanguageLevel(file).isAtLeast(LanguageLevel.JDK_1_8)) {
PsiStatement statement = PsiTreeUtil.getParentOfType(leaf, PsiStatement.class);
if (statement == null
|| statement.getTextRange().getStartOffset()
!= leaf.getTextRange().getStartOffset()) { // not typing a statement label
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
}
if (PsiTreeUtil.getParentOfType(leaf, PsiSwitchLabelStatement.class) != null
|| PsiTreeUtil.getParentOfType(leaf, PsiConditionalExpression.class) != null) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
return Result.HIDE_LOOKUP;
}
if (c == '[' || c == ']' || c == ')' || c == '>')
return CharFilter.Result.SELECT_ITEM_AND_FINISH_LOOKUP;
if (c == '<' && o instanceof PsiClass) return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
if (c == '(') {
if (o instanceof PsiClass) {
if (PsiJavaPatterns.psiElement()
.afterLeaf(PsiKeyword.NEW)
.accepts(lookup.getPsiElement())) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
return Result.HIDE_LOOKUP;
}
if (o instanceof PsiType) {
return Result.HIDE_LOOKUP;
}
}
if ((c == ',' || c == '=') && o instanceof PsiVariable) {
int lookupStart = lookup.getLookupStart();
String name = ((PsiVariable) o).getName();
if (lookupStart >= 0 && name != null && name.equals(lookup.itemPattern(item))) {
return Result.HIDE_LOOKUP;
}
}
if (c == '#'
&& PsiTreeUtil.getParentOfType(lookup.getPsiElement(), PsiDocComment.class) != null) {
if (o instanceof PsiClass) {
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
}
}
if (c == '(' && PsiKeyword.RETURN.equals(item.getLookupString())) {
return Result.HIDE_LOOKUP;
}
return null;
}
public void registerReferenceProviders(PsiReferenceRegistrar registrar) {
// errors tag add Reference Provider for Setters Method on parameter field
registerXmlAttributeReferenceProvider(
registrar, new SetterMethodsReferenceProvider(FORM_TAG), FIELD_ATTR, ERRORS_TAG);
// all stripes tags for input form add Reference Provider for Setters Method
registerXmlAttributeReferenceProvider(
registrar, new SetterMethodsReferenceProvider(FORM_TAG), NAME_ATTR, INPUT_TAGS);
// param tag add Reference Provider for Setter Methods
registerXmlAttributeReferenceProvider(
registrar, new SetterMethodsReferenceProvider(LINK_TAG), NAME_ATTR, PARAM_TAG);
registerXmlAttributeReferenceProvider(
registrar, new SetterMethodsReferenceProvider(URL_TAG), NAME_ATTR, PARAM_TAG);
registerXmlAttributeReferenceProvider(
registrar,
new PsiReferenceProvider() {
@NotNull
public PsiReference[] getReferencesByElement(
@NotNull PsiElement element, @NotNull ProcessingContext context) {
if (PsiTreeUtil.getChildOfType(element, ELExpressionHolder.class) != null) {
return PsiReference.EMPTY_ARRAY;
}
final PsiClass actionBeanPsiClass =
StripesReferenceUtil.getBeanClassFromParentTag(
(XmlTag) element.getParent().getParent(), FORM_TAG);
if (null != actionBeanPsiClass) {
List<String> arr = StringUtil.split(ElementManipulators.getValueText(element), ",");
List<PsiReference> retval = new LinkedList<PsiReference>();
int offset = 1;
for (String anArr : arr) {
Collections.addAll(
retval,
new SetterReferenceExSet(anArr, element, offset, '.', actionBeanPsiClass, false)
.getPsiReferences());
offset += (anArr.length() + 1);
}
return retval.toArray(new PsiReference[retval.size()]);
}
return PsiReference.EMPTY_ARRAY;
}
},
FIELDS_ATTR,
FIELD_METADATA_TAG);
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.and(
new FilterPattern(
new AndFilter(
new SuperParentFilter(
new QualifiedNameElementFilter(VALIDATE_NESTED_PROPERTIES_ANNOTATION)),
new AnnotationParameterFilter(
PsiLiteralExpression.class, VALIDATE_ANNOTATION, FIELD_ATTR)))),
new PsiReferenceProvider() {
@NotNull
public PsiReference[] getReferencesByElement(
@NotNull PsiElement element, @NotNull ProcessingContext context) {
PsiMember parent = PsiTreeUtil.getParentOfType(element, PsiMethod.class);
if (parent == null) parent = PsiTreeUtil.getParentOfType(element, PsiField.class);
PsiClass cls =
StripesReferenceUtil.resolveClassInType(
PropertyUtil.getPropertyType(parent), element.getProject());
return null == cls
? PsiReference.EMPTY_ARRAY
: new SetterReferenceExSet(element, 1, '.', cls, false).getPsiReferences();
}
});
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.and(
new FilterPattern(
new OrFilter(
new StringArrayAnnotationParameterFilter(
STRICT_BINDING_ANNOTATION, ALLOW_ATTR),
new StringArrayAnnotationParameterFilter(
STRICT_BINDING_ANNOTATION, DENY_ATTR)))),
new PsiReferenceProvider() {
@NotNull
public PsiReference[] getReferencesByElement(
@NotNull PsiElement element, @NotNull ProcessingContext context) {
PsiClass cls = PsiTreeUtil.getParentOfType(element, PsiClass.class);
return null == cls
? PsiReference.EMPTY_ARRAY
: new SetterReferenceExSet(element, 1, '.', cls, false) {
@NotNull
@Override
protected SetterReferenceEx<PsiElement> createReferenceWithBraces(
TextRange range, int index, boolean hasBraces) {
return new StrictBindingReference(range, this.isSupportBraces(), this, index);
}
}.getPsiReferences();
}
});
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.and(
new FilterPattern(
new AnnotationParameterFilter(
PsiLiteralExpression.class, URL_BINDING_ANNOTATION, VALUE_ATTR))),
new PsiReferenceProvider() {
@NotNull
public PsiReference[] getReferencesByElement(
@NotNull PsiElement element, @NotNull ProcessingContext context) {
PsiClass actionBeanPsiClass = PsiTreeUtil.getParentOfType(element, PsiClass.class);
String str = ElementManipulators.getValueText(element);
if (null != actionBeanPsiClass && str.startsWith("/")) {
final List<PsiReference> retval = new LinkedList<PsiReference>();
for (int i = 0, eqInd = -1, lBraceInd = -1, braceStack = 0; i < str.length(); i++) {
if (str.charAt(i) == '{') {
braceStack++;
lBraceInd = i;
eqInd = -1;
} else if (str.charAt(i)
== '}') { // we found closing brace and need to retrieve references if possible
braceStack--;
if (braceStack != 0)
continue; // braces are unbalanced - we should not try to parse
int endInd =
eqInd != -1
? eqInd // there's '=' sign within curly braces bounded part of string.
// processign only part of text located within curl braces
: i; // no '=' sign found. process whole text from curly braces;
String txt = str.substring(1 + lBraceInd, endInd);
if ($EVENT.equals(txt) && eqInd == -1) {
retval.add(
new UrlBindingReference(
element,
new TextRange(1 + lBraceInd + 1, 1 + endInd),
actionBeanPsiClass));
} else {
// final PsiReference[] psiReferences = new
// SetterReferenceExSet(str, element, 1 + lBraceInd + 1, '.',
// actionBeanPsiClass, true).getPsiReferences();
Collections.addAll(
retval,
new UrlSetterReferenceExSet(
txt, element, 1 + lBraceInd + 1, '.', actionBeanPsiClass, true)
.getPsiReferences()
// new UrlSetterReferenceExSet(txt,
// element, 1, '.', actionBeanPsiClass, true).getPsiReferences()
);
}
// retval.add(new UrlBindingReference(element, new TextRange(1 + lBraceInd + 1, 1
// + lBraceInd + 1), actionBeanPsiClass));
} else if (str.charAt(i) == '=') {
eqInd = i;
}
}
return retval.toArray(new PsiReference[retval.size()]);
}
return PsiReference.EMPTY_ARRAY;
}
});
registrar.registerReferenceProvider(
PsiJavaPatterns.literalExpression()
.methodCallParameter(
0,
PsiJavaPatterns.psiMethod()
.definedInClass(VALIDATION_ERRORS)
.withName(
StandardPatterns.string()
.oneOf(ADD_METHOD, ADD_ALL_METHOD, PUT_METHOD, PUT_ALL_METHOD))),
new PsiReferenceProvider() {
@NotNull
@Override
public PsiReference[] getReferencesByElement(
@NotNull PsiElement element, @NotNull ProcessingContext context) {
PsiClass cls = PsiTreeUtil.getParentOfType(element, PsiClass.class);
return null == cls
? PsiReference.EMPTY_ARRAY
: new SetterReferenceExSet(element, 1, '.', cls, true).getPsiReferences();
}
});
}
