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);
}
public static void apply(
final String functionName,
@NotNull final FunctionReference reference,
final String modifiers,
final String pattern,
@NotNull final ProblemsHolder holder) {
if (reference.getParameters().length >= 2 && !StringUtil.isEmpty(pattern)) {
Matcher regexMatcher = regexTextSearch.matcher(pattern);
if (regexMatcher.find()) {
final boolean ignoreCase = !StringUtil.isEmpty(modifiers) && modifiers.indexOf('i') >= 0;
final boolean startWith = !StringUtil.isEmpty(regexMatcher.group(1));
/* analyse if pattern is the one strategy targeting */
String strProblemDescription = null;
if (functionName.equals("preg_match") && startWith) {
strProblemDescription = ignoreCase ? strProblemStartIgnoreCase : strProblemStartTreatCase;
}
if (functionName.equals("preg_match") && !startWith) {
strProblemDescription =
ignoreCase ? strProblemContainsIgnoreCase : strProblemContainsTreatCase;
}
if (functionName.equals("preg_replace") && !startWith) {
strProblemDescription =
ignoreCase ? strProblemReplaceIgnoreCase : strProblemReplaceTreatCase;
}
if (null != strProblemDescription) {
String strError = strProblemDescription.replace("%t%", regexMatcher.group(2));
holder.registerProblem(
reference, strError, ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
}
}
}
}
@Nullable
public static String getReferenceSignature(
FunctionReference functionReference, char trimKey, int equalParameterCount) {
String refSignature = functionReference.getSignature();
if (StringUtil.isEmpty(refSignature)) {
return null;
}
PsiElement[] parameters = functionReference.getParameters();
if (parameters.length != equalParameterCount) {
return null;
}
PsiElement parameter = parameters[0];
// we already have a string value
if ((parameter instanceof StringLiteralExpression)) {
String param = ((StringLiteralExpression) parameter).getContents();
if (StringUtil.isNotEmpty(param)) {
return refSignature + trimKey + param;
}
return null;
}
// whitelist here; we can also provide some more but think of performance
// Service::NAME, $this->name and Entity::CLASS;
if (parameter instanceof PhpReference
&& (parameter instanceof ClassConstantReference || parameter instanceof FieldReference)) {
String signature = ((PhpReference) parameter).getSignature();
if (StringUtil.isNotEmpty(signature)) {
return refSignature + trimKey + signature;
}
return null;
}
return null;
}