| #!/usr/bin/python3 |
| |
| # Copyright (C) 2023 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. |
| # |
| """A script to generate ENUM_NAME.java file and test files using ENUM_NAME.aidl file. |
| |
| Need ANDROID_BUILD_TOP environmental variable to be set. This script will update ENUM_NAME.java |
| under packages/services/Car/car-lib/src/android/car/hardware/property, as well as the |
| ENUM_NAMETest.java files in cts/tests/tests/car/src/android/car/cts and |
| packages/services/Car/tests/android_car_api_test/src/android/car/apitest |
| |
| Usage: |
| $ python translate_aidl_enums.py ENUM_NAME.aidl |
| """ |
| import os |
| import sys |
| |
| LICENSE = """/* |
| * Copyright (C) 2023 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. |
| */ |
| """ |
| |
| class EnumParser: |
| def __init__(self, file_path, file_name): |
| self.filePath = file_path |
| self.fileName = file_name |
| self.lowerFileName = self.fileName[0].lower() + self.fileName[1:] |
| self.enums = [] |
| self.outputMsg = [] |
| self.outputMsg.append(LICENSE) |
| self.outputMsg.append("\npackage android.car.hardware.property;\n") |
| self.outputMsg.append(""" |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| |
| import com.android.car.internal.util.ConstantDebugUtils; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| """) |
| |
| with open(self.filePath, 'r') as f: |
| for line in f.readlines()[16:]: |
| if line in ["package android.hardware.automotive.vehicle;\n", |
| "@VintfStability\n", |
| '@Backing(type="int")\n']: |
| continue |
| |
| msg = line |
| msgSplit = msg.strip().split() |
| if len(msgSplit) > 0 and msgSplit[0] == "enum": |
| msgSplit[0] = "public final class" |
| msg = " ".join(msgSplit) + "\n" |
| elif len(msgSplit) > 1 and msgSplit[1] == '=': |
| msgSplit.insert(0, " public static final int") |
| self.enums.append(msgSplit[1]) |
| msgSplit[-1] = msgSplit[-1][:-1] + ";\n" |
| msg = " ".join(msgSplit) |
| elif msg == "}\n": |
| self.outputMsg.append(""" |
| private {2}() {{}} |
| |
| /** |
| * Returns a user-friendly representation of {{@code {2}}}. |
| */ |
| @NonNull |
| public static String toString(@{2}Int int {0}) {{ |
| String {0}String = ConstantDebugUtils.toName( |
| {2}.class, {0}); |
| return ({0}String != null) |
| ? {0}String |
| : "0x" + Integer.toHexString({0}); |
| }} |
| |
| /** @hide */ |
| @IntDef({1}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface {2}Int {{}}\n""".format(self.lowerFileName, "{" + ", ".join(self.enums) + "}", |
| self.fileName)) |
| self.outputMsg.append(msg) |
| self.outputMsg.append("TODO: delete this line and manually update this file with app-facing documentation and necessary tags.\n") |
| |
| self.outputMsgApiTest = [] |
| self.outputMsgApiTest.append(LICENSE) |
| self.outputMsgApiTest.append("""package android.car.apitest; |
| |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| @SmallTest |
| @RunWith(Parameterized.class) |
| public class {0}Test {{ |
| private final int mJavaConstantValue; |
| private final int mHalConstantValue; |
| |
| public {0}Test(int javaConstantValue, int halConstantValue) {{ |
| mJavaConstantValue = javaConstantValue; |
| mHalConstantValue = halConstantValue; |
| }} |
| |
| @Parameterized.Parameters |
| public static Collection constantValues() {{ |
| return Arrays.asList( |
| new Object[][] {{""".format(self.fileName)) |
| for enum in self.enums: |
| self.outputMsgApiTest.append(""" |
| {{ |
| android.car.hardware.property.{0}.{1}, |
| android.hardware.automotive.vehicle.{0}.{1} |
| }},""".format(self.fileName, enum)) |
| self.outputMsgApiTest.append(""" |
| }); |
| } |
| |
| @Test |
| public void testMatchWithVehicleHal() { |
| assertWithMessage("Java constant") |
| .that(mJavaConstantValue) |
| .isEqualTo(mHalConstantValue); |
| } |
| } |
| """) |
| |
| self.outputMsgCtsTest = [] |
| self.outputMsgCtsTest.append(LICENSE) |
| self.outputMsgCtsTest.append(""" |
| package android.car.cts; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import android.car.cts.utils.VehiclePropertyUtils; |
| import android.car.hardware.property.{0}; |
| |
| import org.junit.Test; |
| |
| import java.util.List; |
| |
| public class {0}Test {{ |
| |
| @Test |
| public void testToString() {{""".format(self.fileName)) |
| for enum in self.enums: |
| self.outputMsgCtsTest.append(""" |
| assertThat({0}.toString( |
| {0}.{1})) |
| .isEqualTo("{1}");""".format(self.fileName, enum)) |
| self.outputMsgCtsTest.append(""" |
| assertThat({0}.toString({1})).isEqualTo("{2}"); |
| assertThat({0}.toString(12)).isEqualTo("0xc"); |
| }} |
| |
| @Test |
| public void testAll{0}sAreMappedInToString() {{ |
| List<Integer> {3}s = |
| VehiclePropertyUtils.getIntegersFromDataEnums({0}.class); |
| for (Integer {3} : {3}s) {{ |
| String {3}String = {0}.toString( |
| {3}); |
| assertWithMessage("%s starts with 0x", {3}String).that( |
| {3}String.startsWith("0x")).isFalse(); |
| }} |
| }} |
| }} |
| """.format(self.fileName, len(self.enums), hex(len(self.enums)), self.lowerFileName)) |
| |
| def main(): |
| if len(sys.argv) != 2: |
| print("Usage: {} enum_aidl_file".format(sys.argv[0])) |
| sys.exit(1) |
| print("WARNING: This file only generates the base enum values in the framework layer. The " |
| + "generated files must be reviewed by you and edited if any additional changes are " |
| + "required. The java enum file should be updated with app-developer facing " |
| + "documentation, the @FlaggedApi tag for the new API, and with the @SystemApi tag if " |
| + "the new property is system API") |
| file_path = sys.argv[1] |
| file_name = file_path.split('/')[-1][:-5] |
| parser = EnumParser(file_path, file_name) |
| |
| android_top = os.environ['ANDROID_BUILD_TOP'] |
| if not android_top: |
| print('ANDROID_BUILD_TOP is not in environmental variable, please run source and lunch ' |
| + 'at the android root') |
| |
| with open(android_top + "/packages/services/Car/car-lib/src/android/car/hardware/property/" |
| + file_name + ".java", 'w') as f: |
| f.write("".join(parser.outputMsg)) |
| |
| with open(android_top |
| + "/packages/services/Car/tests/android_car_api_test/src/android/car/apitest/" |
| + file_name + "Test.java", 'w') as f: |
| f.write("".join(parser.outputMsgApiTest)) |
| |
| with open(android_top + "/cts/tests/tests/car/src/android/car/cts/" + file_name + "Test.java", |
| 'w') as f: |
| f.write("".join(parser.outputMsgCtsTest)) |
| |
| if __name__ == "__main__": |
| main() |