/** $this->vars['test'] $view->vars = array_replace($view->vars, array(...)); */
private static void getFormViewVarsAttachKeys(
Set<String> stringSet, FieldReference fieldReference) {
// $this->vars['test']
PsiElement context = fieldReference.getContext();
if (context instanceof ArrayAccessExpression) {
ArrayIndex arrayIndex = PsiTreeUtil.findChildOfType(context, ArrayIndex.class);
if (arrayIndex != null) {
PsiElement psiElement = arrayIndex.getFirstChild();
if (psiElement instanceof StringLiteralExpression) {
String contents = ((StringLiteralExpression) psiElement).getContents();
if (StringUtils.isNotBlank(contents)) {
stringSet.add(contents);
}
}
}
}
// array_replace($view->vars, array(...))
if (context instanceof ParameterList) {
PsiElement functionReference = context.getContext();
if (functionReference instanceof FunctionReference
&& "array_replace".equals(((FunctionReference) functionReference).getName())) {
PsiElement[] psiElements = ((ParameterList) context).getParameters();
if (psiElements.length > 1) {
if (psiElements[1] instanceof ArrayCreationExpression) {
stringSet.addAll(
PhpElementsUtil.getArrayCreationKeys((ArrayCreationExpression) psiElements[1]));
}
}
}
}
}
/**
* Find a string return value of a method context "function() { return 'foo'}" First match wins
*/
@Nullable
public static String getMethodReturnAsString(
@NotNull PhpClass phpClass, @NotNull String methodName) {
Method method = phpClass.findMethodByName(methodName);
if (method == null) {
return null;
}
final Set<String> values = new HashSet<String>();
method.acceptChildren(
new PsiRecursiveElementWalkingVisitor() {
@Override
public void visitElement(PsiElement element) {
if (PhpElementsUtil.getMethodReturnPattern().accepts(element)) {
String value = PhpElementsUtil.getStringValue(element);
if (value != null && StringUtils.isNotBlank(value)) {
values.add(value);
}
}
super.visitElement(element);
}
});
if (values.size() == 0) {
return null;
}
// we support only first item
return values.iterator().next();
}