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// Copyright 2018 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.lcovmerger;
import java.util.Collection;
import java.util.List;
import java.util.TreeMap;
class Coverage {
private final TreeMap<String, SourceFileCoverage> sourceFiles;
Coverage() {
sourceFiles = new TreeMap<>();
}
void add(SourceFileCoverage input) {
String sourceFilename = input.sourceFileName();
if (sourceFiles.containsKey(sourceFilename)) {
SourceFileCoverage old = sourceFiles.get(sourceFilename);
sourceFiles.put(sourceFilename, SourceFileCoverage.merge(old, input));
} else {
sourceFiles.put(sourceFilename, input);
}
}
static Coverage merge(Coverage c1, Coverage c2) {
Coverage merged = new Coverage();
for (SourceFileCoverage sourceFile : c1.getAllSourceFiles()) {
merged.add(sourceFile);
}
for (SourceFileCoverage sourceFile : c2.getAllSourceFiles()) {
merged.add(sourceFile);
}
return merged;
}
static Coverage filterOutMatchingSources(Coverage coverage, List<String> regexes)
throws IllegalArgumentException {
if (coverage == null || regexes == null) {
throw new IllegalArgumentException("Coverage and regex should not be null.");
}
if (regexes.isEmpty()) {
return coverage;
}
Coverage filteredCoverage = new Coverage();
for (SourceFileCoverage source : coverage.getAllSourceFiles()) {
if (!matchesAnyRegex(source.sourceFileName(), regexes)) {
filteredCoverage.add(source);
}
}
return filteredCoverage;
}
private static boolean matchesAnyRegex(String input, List<String> regexes) {
for (String regex : regexes) {
if (input.matches(regex)) {
return true;
}
}
return false;
}
boolean isEmpty() {
return sourceFiles.isEmpty();
}
Collection<SourceFileCoverage> getAllSourceFiles() {
return sourceFiles.values();
}
}
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