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Ability to relocate/shade in assembly
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package com.eed3si9n.jarjarabrams | ||
|
|
||
| import java.io.{ByteArrayInputStream, InputStream} | ||
| import java.nio.file.{ Files, Path, StandardOpenOption } | ||
| import org.pantsbuild.jarjar.{ JJProcessor, _ } | ||
| import org.pantsbuild.jarjar.util.EntryStruct | ||
| import com.eed3si9n.jarjarabrams.Utils.readAllBytes | ||
|
|
||
| object Shader { | ||
| def shadeDirectory( | ||
| rules: Seq[ShadeRule], | ||
| dir: Path, | ||
| mappings: Iterable[(Path, String)], | ||
| verbose: Boolean | ||
| ): Unit = { | ||
| val inputStreams = mappings.filter(x => !Files.isDirectory(x._1)).map(x => Files.newInputStream(x._1) -> x._2) | ||
| val newMappings = shadeInputStreams(rules, inputStreams, verbose) | ||
| mappings.filterNot(_._1.toFile.isDirectory).foreach(f => Files.delete(f._1)) | ||
| newMappings.foreach { case (inputStream, mapping) => | ||
| val out = dir.resolve(mapping) | ||
| if (!Files.exists(out.getParent)) Files.createDirectories(out.getParent) | ||
| Files.write(out, readAllBytes(inputStream), StandardOpenOption.CREATE) | ||
| } | ||
| } | ||
|
|
||
| def shadeInputStreams( | ||
| rules: Seq[ShadeRule], | ||
| mappings: Iterable[(InputStream, String)], | ||
| verbose: Boolean | ||
| ): Iterable[(InputStream, String)] = { | ||
| val shader = inputStreamShader(rules, verbose) | ||
| mappings.flatMap(f => shader(f._1, f._2)) | ||
| } | ||
|
|
||
| def inputStreamShader( | ||
| rules: Seq[ShadeRule], | ||
| verbose: Boolean | ||
| ): (InputStream, String) => Option[(InputStream, String)] = { | ||
| val jjrules = rules.flatMap { r => | ||
| r.shadePattern match { | ||
| case ShadePattern.Rename(patterns) => | ||
| patterns.map { case (from, to) => | ||
| val jrule = new Rule() | ||
| jrule.setPattern(from) | ||
| jrule.setResult(to) | ||
| jrule | ||
| } | ||
| case ShadePattern.Zap(patterns) => | ||
| patterns.map { pattern => | ||
| val jrule = new Zap() | ||
| jrule.setPattern(pattern) | ||
| jrule | ||
| } | ||
| case ShadePattern.Keep(patterns) => | ||
| patterns.map { pattern => | ||
| val jrule = new Keep() | ||
| jrule.setPattern(pattern) | ||
| jrule | ||
| } | ||
| case _ => Nil | ||
| } | ||
| } | ||
|
|
||
| val proc = new JJProcessor(jjrules, verbose, true, null) | ||
|
|
||
| { (inputStream, mapping) => | ||
| /* | ||
| jarjar MisplacedClassProcessor class transforms byte[] to a class using org.objectweb.asm.ClassReader.getClassName | ||
| which always translates class names containing '.' into '/', regardless of OS platform. | ||
| We need to transform any windows file paths in order for jarjar to match them properly and not omit them. | ||
| */ | ||
| val sanitizedMapping = if (mapping.contains('\\')) mapping.replace('\\', '/') else mapping | ||
| val entry = new EntryStruct | ||
| entry.data = readAllBytes(inputStream) | ||
| entry.name = sanitizedMapping | ||
| entry.time = -1 | ||
| entry.skipTransform = false | ||
| val shadedInputStream = | ||
| if (proc.process(entry)) Some(new ByteArrayInputStream(entry.data) { | ||
| override def close(): Unit = inputStream.close() | ||
| } -> entry.name) | ||
| else None | ||
| val excludes = proc.getExcludes | ||
| shadedInputStream.filterNot(a => excludes.contains(a._2)) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| sealed trait ShadePattern { | ||
| def inAll: ShadeRule = ShadeRule(this, Vector(ShadeTarget.inAll)) | ||
| def inProject: ShadeRule = ShadeRule(this, Vector(ShadeTarget.inProject)) | ||
| def inModuleCoordinates(moduleId: ModuleCoordinate*): ShadeRule = | ||
| ShadeRule(this, moduleId.toVector map ShadeTarget.inModuleCoordinate) | ||
| } | ||
|
|
||
| object ShadePattern { | ||
| case class Rename(patterns: List[(String, String)]) extends ShadePattern | ||
| case class Zap(patterns: List[String]) extends ShadePattern | ||
| case class Keep(patterns: List[String]) extends ShadePattern | ||
| } |