| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.jetbrains.python.debugger; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Collections2; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiElement; |
| import com.jetbrains.python.PyNames; |
| import com.jetbrains.python.psi.PyClass; |
| import com.jetbrains.python.psi.PyFunction; |
| import com.jetbrains.python.psi.types.PyClassType; |
| import com.jetbrains.python.psi.types.PyType; |
| import com.jetbrains.python.psi.types.PyTypeParser; |
| import com.jetbrains.python.psi.types.PyUnionType; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author traff |
| */ |
| public class PySignatureUtil { |
| private PySignatureUtil() { |
| } |
| |
| @Nullable |
| public static String getShortestImportableName(@Nullable PsiElement anchor, @NotNull String type) { |
| final PyType pyType = PyTypeParser.getTypeByName(anchor, type); |
| if (pyType instanceof PyClassType) { |
| PyClass c = ((PyClassType)pyType).getPyClass(); |
| return c.getQualifiedName(); |
| } |
| |
| if (pyType != null) { |
| return getPrintableName(pyType); |
| } |
| else { |
| return type; |
| } |
| } |
| |
| private static String getPrintableName(PyType type) { |
| if (type instanceof PyUnionType) { |
| return StringUtil.join(Collections2.transform(((PyUnionType)type).getMembers(), new Function<PyType, String>() { |
| @Override |
| public String apply(@Nullable PyType input) { |
| return getPrintableName(input); |
| } |
| }), " or "); |
| } |
| else if (type != null) { |
| return type.getName(); |
| } |
| else { |
| return PyNames.UNKNOWN_TYPE; |
| } |
| } |
| |
| @Nullable |
| public static String getArgumentType(@NotNull PyFunction function, @NotNull String name) { |
| PySignatureCacheManager cacheManager = PySignatureCacheManager.getInstance(function.getProject()); |
| PySignature signature = cacheManager.findSignature(function); |
| if (signature != null) { |
| return getShortestImportableName(function, signature.getArgTypeQualifiedName(name)); |
| } |
| return null; |
| } |
| } |