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// Copyright 2015 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.build.lib.bazel.rules.android.ndkcrosstools;
import java.io.IOException;
import java.io.StringReader;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Class for information about an NDK release.
*/
public class NdkRelease {
/** Key name for the revision in the source.properties file. */
private static final String REVISION_PROPERTY = "Pkg.Revision";
public static NdkRelease create(String releaseString) {
if (releaseString.contains(REVISION_PROPERTY)) {
// For NDK r11+
return createFromSourceProperties(releaseString);
} else {
// For NDK r10e
return createFromReleaseTxt(releaseString);
}
}
/**
* Creates an NdkRelease for r11+ (uses source.properties)
*/
private static NdkRelease createFromSourceProperties(String releaseString) {
Properties properties = new Properties();
try {
properties.load(new StringReader(releaseString));
} catch (IOException e) {
// This shouldn't happen from a StringReader.
throw new IllegalStateException(e);
}
String revision = properties.getProperty(REVISION_PROPERTY);
String[] revisionParsed = revision.split("\\.");
if (revisionParsed.length < 2) {
// Unable to parse Pkg.Revision. Return invalid NdkRelease.
return new NdkRelease(revision, false, null, null, null, false);
} else {
return new NdkRelease(
revision, // raw revision
true, // isValid
revisionParsed[0], // major revision
revisionParsed[1], // minor revision
null, // release candidate
true // is64 bit. 32-bit NDKs are provided for only windows.
);
}
}
/**
* Creates an NdkRelease pre-r11 (used RELEASE.TXT)
*/
private static NdkRelease createFromReleaseTxt(String revisionString) {
// NDK release should be of the format "r\d+\w?(-rc\d+)?( \(64-bit\))?", eg:
// r8
// r10
// r10 (64-bit)
// r10e
// r10e-rc4
// r10e-rc4 (64-bit)
Pattern revisionRegex = Pattern.compile(
"r(?<Mrev>\\d+)(?<mrev>\\w)?(-(?<rc>rc\\d+))?(?<s4> \\(64-bit\\))?");
Matcher matcher = revisionRegex.matcher(revisionString);
boolean isValid = matcher.matches();
if (isValid) {
return new NdkRelease(
revisionString,
isValid,
matcher.group("Mrev"), /* major revision */
matcher.group("mrev"), /* minor revision */
matcher.group("rc"), /* releaseCandidate */
matcher.group("s4") != null /* is64Bit */);
} else {
return new NdkRelease(revisionString, false, null, null, null, false);
}
}
public final String rawRelease;
public final boolean isValid;
public final String majorRevision;
public final String minorRevision;
public final String releaseCandidate;
public final boolean is64Bit;
private NdkRelease(
String rawRelease,
boolean isValid,
String majorRevision,
String minorRevision,
String releaseCandidate,
boolean is64Bit) {
this.rawRelease = rawRelease;
this.isValid = isValid;
this.majorRevision = majorRevision;
this.minorRevision = minorRevision;
this.releaseCandidate = releaseCandidate;
this.is64Bit = is64Bit;
}
@Override
public String toString() {
return rawRelease;
}
}
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