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Move Scope to the dagger.model package
RELNOTES=n/a ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=179461777
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* | ||
| * Copyright (C) 2017 The Dagger Authors. | ||
| * | ||
| * 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 dagger.internal.codegen; | ||
|
|
||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
|
|
||
| /** | ||
| * Utility methods for formatting diagnostics to the {@link javax.annotation.processing.Messager}. | ||
| */ | ||
| final class DiagnosticFormatting { | ||
|
|
||
| /** | ||
| * A regular expression to match a small list of specific packages deemed to be unhelpful to | ||
| * display in fully qualified types in error messages. | ||
| * | ||
| * <p>Note: This should never be applied to messages themselves. | ||
| */ | ||
| private static final Pattern COMMON_PACKAGE_PATTERN = | ||
| Pattern.compile( | ||
| "(?:^|[^.a-z_])" // What we want to match on but not capture. | ||
| + "((?:" // Start a group with a non-capturing or part | ||
| + "java[.]lang" | ||
| + "|java[.]util" | ||
| + "|javax[.]inject" | ||
| + "|dagger" | ||
| + "|com[.]google[.]common[.]base" | ||
| + "|com[.]google[.]common[.]collect" | ||
| + ")[.])" // Always end with a literal . | ||
| + "[A-Z]"); // What we want to match on but not capture. | ||
|
|
||
| /** | ||
| * A method to strip out common packages and a few rare type prefixes from types' string | ||
| * representation before being used in error messages. | ||
| * | ||
| * <p>This type assumes a String value that is a valid fully qualified (and possibly | ||
| * parameterized) type, and should NOT be used with arbitrary text, especially prose error | ||
| * messages. | ||
| * | ||
| * <p>TODO(cgruber): Tighten these to take type representations (mirrors and elements) to avoid | ||
| * accidental mis-use by running errors through this method. | ||
| */ | ||
| static String stripCommonTypePrefixes(String type) { | ||
| // Do regex magic to remove common packages we care to shorten. | ||
| Matcher matcher = COMMON_PACKAGE_PATTERN.matcher(type); | ||
| StringBuilder result = new StringBuilder(); | ||
| int index = 0; | ||
| while (matcher.find()) { | ||
| result.append(type.subSequence(index, matcher.start(1))); | ||
| index = matcher.end(1); // Skip the matched pattern content. | ||
| } | ||
| result.append(type.subSequence(index, type.length())); | ||
| return result.toString(); | ||
| } | ||
|
|
||
| private DiagnosticFormatting() {} | ||
| } |
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