diff options
author | Haoyi Li <haoyi@haoyi-mbp.corp.dropbox.com> | 2014-11-26 00:45:31 -0800 |
---|---|---|
committer | Haoyi Li <haoyi@haoyi-mbp.corp.dropbox.com> | 2014-11-26 00:45:31 -0800 |
commit | 24f31e120f9537faede7a174bb09ee35f64e1ce4 (patch) | |
tree | 06ffc3ecc7847789008352b7e2b7c040dad48907 /examples/scala-js/tools/js/src/main | |
parent | b89ce9cbf79363f8cab09186a5d7ba94bc0af02a (diff) | |
parent | 2c4b142503bd2d871e6818b5cab8c38627d9e4a0 (diff) | |
download | hands-on-scala-js-24f31e120f9537faede7a174bb09ee35f64e1ce4.tar.gz hands-on-scala-js-24f31e120f9537faede7a174bb09ee35f64e1ce4.tar.bz2 hands-on-scala-js-24f31e120f9537faede7a174bb09ee35f64e1ce4.zip |
Merge commit '2c4b142503bd2d871e6818b5cab8c38627d9e4a0' as 'examples/scala-js'
Diffstat (limited to 'examples/scala-js/tools/js/src/main')
3 files changed, 165 insertions, 0 deletions
diff --git a/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/classpath/builder/NodeFileSystem.scala b/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/classpath/builder/NodeFileSystem.scala new file mode 100644 index 0000000..d1eee10 --- /dev/null +++ b/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/classpath/builder/NodeFileSystem.scala @@ -0,0 +1,67 @@ +package scala.scalajs.tools.classpath.builder + +import scala.scalajs.tools.io._ + +import scala.scalajs.js + +import scala.collection.immutable.Traversable + +import java.io._ + +/** FileSystem implementation using Node.js */ +trait NodeFileSystem extends FileSystem { + + import NodeFileSystem.fs + + type File = String + + private def stats(f: String) = fs.statSync(f) + + val DummyVersion: String = "DUMMY_FILE" + + def isDirectory(f: String): Boolean = + stats(f).isDirectory().asInstanceOf[Boolean] + + def isFile(f: String): Boolean = + stats(f).isFile().asInstanceOf[Boolean] + + def isJSFile(f: String): Boolean = + isFile(f) && f.endsWith(".js") + + def isIRFile(f: String): Boolean = + isFile(f) && f.endsWith(".sjsir") + + def isJARFile(f: String): Boolean = + isFile(f) && f.endsWith(".jar") + + def exists(f: String): Boolean = + fs.existsSync(f).asInstanceOf[Boolean] + + def getName(f: String): String = + VirtualFile.nameFromPath(f) + + def getAbsolutePath(f: String): String = + fs.realpathSync(f).asInstanceOf[String] + + def getVersion(f: String): String = + stats(f).mtime.asInstanceOf[js.Date].getTime.toString + + def listFiles(d: String): Traversable[String] = { + require(isDirectory(d)) + val prefix = if (d.endsWith("/")) d else d + "/" + + fs.readdirSync(d).asInstanceOf[js.Array[String]].toList.map(prefix + _) + } + + def toJSFile(f: String): VirtualJSFile = new NodeVirtualJSFile(f) + def toIRFile(f: String): VirtualScalaJSIRFile = new NodeVirtualScalaJSIRFile(f) + def toReader(f: String): Reader = + new NodeVirtualTextFile(f).reader + def toInputStream(f: String): InputStream = + new NodeVirtualBinaryFile(f).inputStream + +} + +private object NodeFileSystem { + private val fs = js.Dynamic.global.require("fs") +} diff --git a/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/io/NodeVirtualFiles.scala b/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/io/NodeVirtualFiles.scala new file mode 100644 index 0000000..6a0c3ee --- /dev/null +++ b/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/io/NodeVirtualFiles.scala @@ -0,0 +1,62 @@ +package scala.scalajs.tools.io + +import scala.scalajs.js +import scala.scalajs.js.typedarray._ + +import java.io._ +import java.net.URI + +class NodeVirtualFile(override val path: String) extends VirtualFile { + import NodeFS.fs + + override def version: Option[String] = { + val stat = fs.statSync(path) + if (js.isUndefined(stat.mtime)) + None + else + Some(stat.mtime.asInstanceOf[js.Date].getTime.toString) + } + + override def exists: Boolean = + fs.existsSync(path).asInstanceOf[Boolean] + + override def toURI: URI = { + val abspath = fs.realpathSync(path).asInstanceOf[String] + new URI("file", abspath, null) + } +} + +class NodeVirtualTextFile(p: String) extends NodeVirtualFile(p) + with VirtualTextFile { + import NodeFS.fs + + override def content: String = { + val options = js.Dynamic.literal(encoding = "UTF-8") + fs.readFileSync(path, options).asInstanceOf[String] + } +} + +class NodeVirtualBinaryFile(p: String) extends NodeVirtualFile(p) + with VirtualBinaryFile { + import NodeFS.fs + + private def buf: ArrayBuffer = + new Uint8Array(fs.readFileSync(path).asInstanceOf[js.Array[Int]]).buffer + + override def content: Array[Byte] = new Int8Array(buf).toArray + override def inputStream: InputStream = new ArrayBufferInputStream(buf) +} + +class NodeVirtualJSFile(p: String) extends NodeVirtualTextFile(p) + with VirtualJSFile { + + /** Always returns None. We can't read them on JS anyway */ + override def sourceMap: Option[String] = None +} + +class NodeVirtualScalaJSIRFile(p: String) + extends NodeVirtualBinaryFile(p) with VirtualSerializedScalaJSIRFile + +private[io] object NodeFS { + val fs = js.Dynamic.global.require("fs") +} diff --git a/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/json/Impl.scala b/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/json/Impl.scala new file mode 100644 index 0000000..89c7255 --- /dev/null +++ b/examples/scala-js/tools/js/src/main/scala/scala/scalajs/tools/json/Impl.scala @@ -0,0 +1,36 @@ +package scala.scalajs.tools.json + +import scala.scalajs.tools.io.IO + +import scala.scalajs.js + +import java.io.{Writer, Reader} + +private[json] object Impl extends AbstractJSONImpl { + + type Repr = js.Any + + def fromString(x: String): Repr = x + def fromNumber(x: Number): Repr = x.doubleValue() + def fromBoolean(x: Boolean): Repr = x + def fromList(x: List[Repr]): Repr = js.Array(x: _*) + def fromMap(x: Map[String, Repr]): Repr = js.Dictionary(x.toSeq: _*) + + def toString(x: Repr): String = x.asInstanceOf[String] + def toNumber(x: Repr): Number = x.asInstanceOf[Double] + def toBoolean(x: Repr): Boolean = x.asInstanceOf[Boolean] + def toList(x: Repr): List[Repr] = x.asInstanceOf[js.Array[Repr]].toList + def toMap(x: Repr): Map[String, Repr] = + x.asInstanceOf[js.Dictionary[Repr]].toMap + + def serialize(x: Repr): String = js.JSON.stringify(x) + + def serialize(x: Repr, writer: Writer): Unit = + writer.write(serialize(x)) + + def deserialize(str: String): Repr = js.JSON.parse(str) + + def deserialize(reader: Reader): Repr = + deserialize(IO.readReaderToString(reader)) + +} |