package com.jetbrains.lang.dart.ide.info;
import com.intellij.psi.PsiElement;
import com.intellij.psi.util.PsiTreeUtil;
import com.jetbrains.lang.dart.psi.DartComponent;
import com.jetbrains.lang.dart.psi.DartDefaultFormalNamedParameter;
import com.jetbrains.lang.dart.psi.DartFormalParameterList;
import com.jetbrains.lang.dart.psi.DartNamedFormalParameters;
import com.jetbrains.lang.dart.util.DartGenericSpecialization;
import com.jetbrains.lang.dart.util.DartPresentableUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
/**
* @author: Fedor.Korotkov
*/
public class DartNamedParameterDescription {
private final String myText;
@Nullable
private final String myValue;
public DartNamedParameterDescription(@NotNull String text, @Nullable String value) {
myText = text;
myValue = value;
}
public static DartNamedParameterDescription[] getParameters(DartComponent element, DartGenericSpecialization specialization) {
final DartFormalParameterList parameterList = PsiTreeUtil.getChildOfType(element, DartFormalParameterList.class);
final DartNamedFormalParameters namedFormalParameters = parameterList == null ? null : parameterList.getNamedFormalParameters();
if (namedFormalParameters == null) {
return new DartNamedParameterDescription[0];
}
final List<DartDefaultFormalNamedParameter> list = namedFormalParameters.getDefaultFormalNamedParameterList();
final DartNamedParameterDescription[] result = new DartNamedParameterDescription[list.size()];
for (int i = 0, size = list.size(); i < size; i++) {
final String normalFormalParameter =
DartPresentableUtil.getPresentableNormalFormalParameter(list.get(i).getNormalFormalParameter(), specialization);
final PsiElement valueElement = list.get(i).getExpression();
result[i] = new DartNamedParameterDescription(normalFormalParameter, valueElement == null ? null : valueElement.getText());
}
return result;
}
@Override
public String toString() {
if (myValue != null) {
return myText + " = " + myValue;
}
return myText;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
DartNamedParameterDescription that = (DartNamedParameterDescription)o;
if (myText != null ? !myText.equals(that.myText) : that.myText != null) return false;
return true;
}
@Override
public int hashCode() {
return myText != null ? myText.hashCode() : 0;
}
}