| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * 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.android.tools.idea.editors.navigation.macros; |
| |
| import com.intellij.psi.PsiElement; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| public class MultiMatch { |
| public final CodeTemplate macro; |
| public final Map<String, CodeTemplate> subMacros = new LinkedHashMap<String, CodeTemplate>(); // make deterministic while prototyping |
| |
| public MultiMatch(CodeTemplate macro) { |
| this.macro = macro; |
| } |
| |
| public void addSubMacro(String name, CodeTemplate macro) { |
| subMacros.put(name, macro); |
| } |
| |
| @Nullable |
| public Bindings<PsiElement> match(PsiElement element) { |
| Map<String, PsiElement> bindings = Unifier.match(macro, element); |
| if (bindings == null) { |
| return null; |
| } |
| Map<String, Map<String, PsiElement>> subBindings = new HashMap<String, Map<String, PsiElement>>(); |
| for (Map.Entry<String, CodeTemplate> entry : subMacros.entrySet()) { |
| String name = entry.getKey(); |
| CodeTemplate template = entry.getValue(); |
| Map<String, PsiElement> subBinding = Unifier.match(template, bindings.get(name)); |
| if (subBinding == null) { |
| return null; |
| } |
| subBindings.put(name, subBinding); |
| } |
| return new Bindings<PsiElement>(bindings, subBindings); |
| } |
| |
| public static class Bindings<T> { |
| public final Map<String, T> bindings; |
| public final Map<String, Map<String, T>> subBindings; |
| |
| Bindings(Map<String, T> bindings, Map<String, Map<String, T>> subBindings) { |
| this.bindings = bindings; |
| this.subBindings = subBindings; |
| } |
| |
| public T get(String key) { |
| return bindings.get(key); |
| } |
| |
| @Override |
| public String toString() { |
| return "Bindings{" + |
| "bindings=" + bindings + |
| ", subBindings=" + subBindings + |
| '}'; |
| } |
| } |
| } |