@Nullable
public static MethodReferenceBag getMethodParameterReferenceBag(
PsiElement psiElement, int wantIndex) {
PsiElement variableContext = psiElement.getContext();
if (!(variableContext instanceof ParameterList)) {
return null;
}
ParameterList parameterList = (ParameterList) variableContext;
if (!(parameterList.getContext() instanceof MethodReference)) {
return null;
}
ParameterBag currentIndex = PsiElementUtils.getCurrentParameterIndex(psiElement);
if (currentIndex == null) {
return null;
}
if (wantIndex >= 0 && currentIndex.getIndex() != wantIndex) {
return null;
}
return new MethodReferenceBag(
parameterList, (MethodReference) parameterList.getContext(), currentIndex);
}
public static boolean isFunctionReference(
PsiElement psiElement, int wantIndex, String... funcName) {
PsiElement variableContext = psiElement.getContext();
if (!(variableContext instanceof ParameterList)) {
return false;
}
ParameterList parameterList = (ParameterList) variableContext;
PsiElement context = parameterList.getContext();
if (!(context instanceof FunctionReference)) {
return false;
}
FunctionReference methodReference = (FunctionReference) context;
String name = methodReference.getName();
if (name == null || !Arrays.asList(funcName).contains(name)) {
return false;
}
ParameterBag currentIndex = getCurrentParameterIndex(psiElement);
if (currentIndex == null) {
return false;
}
return !(wantIndex >= 0 && currentIndex.getIndex() != wantIndex);
}
@Nullable
public static ParameterBag getCurrentParameterIndex(PsiElement psiElement) {
if (!(psiElement.getContext() instanceof ParameterList)) {
return null;
}
ParameterList parameterList = (ParameterList) psiElement.getContext();
if (!(parameterList.getContext() instanceof ParameterListOwner)) {
return null;
}
return getCurrentParameterIndex(parameterList.getParameters(), psiElement);
}
@Nullable
public static String getMethodParameterAt(@NotNull ParameterList parameterList, int index) {
PsiElement[] parameters = parameterList.getParameters();
if (parameters.length < index + 1) {
return null;
}
return getMethodParameter(parameters[index]);
}
@Nullable
public static MethodReference getMethodReferenceWithFirstStringParameter(PsiElement psiElement) {
if (!PlatformPatterns.psiElement()
.withParent(StringLiteralExpression.class)
.inside(ParameterList.class)
.withLanguage(PhpLanguage.INSTANCE)
.accepts(psiElement)) {
return null;
}
ParameterList parameterList = PsiTreeUtil.getParentOfType(psiElement, ParameterList.class);
if (parameterList == null) {
return null;
}
if (!(parameterList.getContext() instanceof MethodReference)) {
return null;
}
return (MethodReference) parameterList.getContext();
}
/**
* Extract type hint from method parameter
*
* <p>function foo(\FooClass $class)
*/
@Nullable
public static String getMethodParameterTypeHint(@NotNull Method method) {
ParameterList childOfType = PsiTreeUtil.getChildOfType(method, ParameterList.class);
if (childOfType == null) {
return null;
}
PsiElement[] parameters = childOfType.getParameters();
if (parameters.length == 0) {
return null;
}
ClassReference classReference = PsiTreeUtil.getChildOfType(parameters[0], ClassReference.class);
if (classReference == null) {
return null;
}
String fqn = classReference.getFQN();
if (fqn == null) {
return null;
}
return fqn;
}
public static boolean isCallToWithParameter(
PsiElement psiElement, String className, String methodName, int parameterIndex) {
if (!(psiElement.getContext() instanceof ParameterList)) {
return false;
}
ParameterList parameterList = (ParameterList) psiElement.getContext();
if (parameterList == null || !(parameterList.getContext() instanceof MethodReference)) {
return false;
}
MethodReference method = (MethodReference) parameterList.getContext();
Symfony2InterfacesUtil interfacesUtil = new Symfony2InterfacesUtil();
if (!interfacesUtil.isCallTo(method, className, methodName)) {
return false;
}
ParameterBag currentIndex = PsiElementUtils.getCurrentParameterIndex(psiElement);
if (currentIndex == null || currentIndex.getIndex() != parameterIndex) {
return false;
}
return true;
}
@Nullable
public static PsiElement getMethodParameterPsiElementAt(
@Nullable ParameterList parameterList, int index) {
if (parameterList == null) {
return null;
}
PsiElement[] parameters = parameterList.getParameters();
if (parameters.length < index + 1) {
return null;
}
return parameters[index];
}