63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.common.data;
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import com.google.gerrit.reviewdb.client.Patch;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.HashSet;
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import java.util.Set;
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public class FilenameComparator implements Comparator<String> {
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public static final FilenameComparator INSTANCE = new FilenameComparator();
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private static final Set<String> cppHeaderSuffixes =
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new HashSet<>(Arrays.asList(".h", ".hxx", ".hpp"));
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private FilenameComparator() {}
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@Override
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public int compare(String path1, String path2) {
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if (Patch.COMMIT_MSG.equals(path1) && Patch.COMMIT_MSG.equals(path2)) {
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return 0;
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} else if (Patch.COMMIT_MSG.equals(path1)) {
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return -1;
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} else if (Patch.COMMIT_MSG.equals(path2)) {
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return 1;
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}
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if (Patch.MERGE_LIST.equals(path1) && Patch.MERGE_LIST.equals(path2)) {
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return 0;
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} else if (Patch.MERGE_LIST.equals(path1)) {
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return -1;
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} else if (Patch.MERGE_LIST.equals(path2)) {
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return 1;
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}
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int s1 = path1.lastIndexOf('.');
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int s2 = path2.lastIndexOf('.');
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if (s1 > 0 && s2 > 0 && path1.substring(0, s1).equals(path2.substring(0, s2))) {
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String suffixA = path1.substring(s1);
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String suffixB = path2.substring(s2);
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// C++ and C: give priority to header files (.h/.hpp/...)
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if (cppHeaderSuffixes.contains(suffixA)) {
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return -1;
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} else if (cppHeaderSuffixes.contains(suffixB)) {
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return 1;
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}
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}
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return path1.compareTo(path2);
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}
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}
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