Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Moved to sbt 13 and updated for a lot of JavaScript support
- Loading branch information
Showing
15 changed files
with
476 additions
and
63 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -54,3 +54,4 @@ lift_proto* | |
| # Pax Runner (for easy OSGi launching) | ||
| runner | ||
|
|
||
| .history | ||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.13.0") | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Binary file not shown.
Binary file not shown.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,286 @@ | ||
| package org.hoisted.lib | ||
|
|
||
| import net.liftweb.common.Box | ||
| import net.liftweb.common.Full | ||
| import net.liftweb.http.{LiftSession, TransientRequestVar, LiftRules} | ||
| import net.liftweb.util._ | ||
| import Helpers._ | ||
| import org.mozilla.javascript._ | ||
| import scala.util.Success | ||
| import scala.xml.NodeSeq | ||
| import net.liftweb.actor.LAFuture | ||
| import net.liftweb.common._ | ||
|
|
||
| /** | ||
| * You can add a JavaScript context to Lift so that | ||
| * you can run server-side JavaScript as part of Lift page | ||
| * rendering. | ||
| * | ||
| * In Boot.scala, just do `JavaScriptContext.install()` | ||
| * and you get a JavaScript execution context around | ||
| * all HTTP requests. | ||
| */ | ||
| object JSContext { | ||
|
|
||
| def runSourceContext(session: LiftSession, value: Any, xform: Any => NodeSeq => NodeSeq, ns: NodeSeq): NodeSeq = { | ||
| import scala.collection.JavaConversions._ | ||
| value match { | ||
| case null => NodeSeq.Empty | ||
| case None => NodeSeq.Empty | ||
| case _: EmptyBox => NodeSeq.Empty | ||
| case b: Box[_] => runSourceContext(session, b.toList, xform, ns) | ||
| case b: Option[_] => runSourceContext(session, b.toList, xform, ns) | ||
| case fut: LAFuture[_] => runSourceContext(session, fut.get(5.seconds).openOr(Empty), xform, ns) | ||
| case node: scala.xml.Node => session.currentSourceContext.doWith(node)(session.processSurroundAndInclude("Source", xform(node)(ns))) | ||
| case na: org.mozilla.javascript.NativeArray => | ||
| val len = na.getLength.toInt | ||
| val ar = new Array[Object](len) | ||
| var pos = 0 | ||
| while (pos < len) { | ||
| ar(pos) = na.get(pos, na) | ||
| pos += 1 | ||
| } | ||
| runSourceContext(session, ar.toList, xform, ns) | ||
| case n: java.lang.Iterable[_] => runSourceContext(session, n.iterator(), xform, ns) | ||
| case n: java.util.Iterator[_] => | ||
| for {i <- n.toSeq; nodes <- session.currentSourceContext.doWith(i)(session.processSurroundAndInclude("Source", xform(i)(ns)))} yield nodes | ||
| case en: java.util.Enumeration[_] => | ||
| for {i <- en.toSeq; nodes <- session.currentSourceContext.doWith(i)(session.processSurroundAndInclude("Source", xform(i)(ns)))} yield nodes | ||
| case se: scala.collection.Iterable[_] => runSourceContext(session, se.iterator, xform, ns) | ||
| case se: scala.collection.Iterator[_] => | ||
| for {i <- se.toSeq; nodes <- session.currentSourceContext.doWith(i)(session.processSurroundAndInclude("Source", xform(i)(ns)))} yield nodes | ||
| case a: Array[_] => runSourceContext(session, a.toList, xform, ns) | ||
| case x => | ||
| session.currentSourceContext.doWith(x)(session.processSurroundAndInclude("Source", xform(x)(ns))) | ||
| } | ||
| } | ||
|
|
||
| def buildXformer(session: LiftSession, xformRule: String, value: Any): NodeSeq => NodeSeq = { | ||
|
|
||
|
|
||
| def retFunc(value: Any)(ns: NodeSeq): NodeSeq = { | ||
| val func: NodeSeq => NodeSeq = | ||
| value match { | ||
| case n: scala.xml.Node => xformRule #> n | ||
| case ns: NodeSeq => xformRule #> ns | ||
| case ns: Seq[_] if !ns.exists(!_.isInstanceOf[scala.xml.Node]) => xformRule #> ns.asInstanceOf[NodeSeq] | ||
| case n: String => xformRule #> n | ||
| // case b: Bindable => xformRule #> b | ||
| case n: java.lang.Number => xformRule #> n | ||
| case d: Double => xformRule #> d | ||
| case jc: ToJsCmd => xformRule #> jc | ||
| case i: Int => xformRule #> i | ||
| case sb: StringPromotable => xformRule #> sb | ||
| case sym: Symbol => xformRule #> sym | ||
| case lng: Long => xformRule #> lng | ||
| case b: Boolean => xformRule #> b | ||
| case b: Box[_] => b match { | ||
| case Full(x) => buildXformer(session, xformRule, x) | ||
| case _ => xformRule #> Empty.asInstanceOf[Box[String]] | ||
| } | ||
| case b: Option[_] => b match { | ||
| case Some(x) => buildXformer(session, xformRule, x) | ||
| case _ => xformRule #> None.asInstanceOf[Option[String]] | ||
| } | ||
|
|
||
| case fut: LAFuture[_] => buildXformer(session, xformRule, fut.get(5 second)) | ||
| case n: java.lang.Iterable[_] => runSourceContext(session, n.iterator(), retFunc _, _) | ||
| case n: java.util.Iterator[_] => runSourceContext(session, n, retFunc _, _) | ||
| case en: java.util.Enumeration[_] => runSourceContext(session, en, retFunc _, _) | ||
| case se: scala.collection.Iterable[_] => runSourceContext(session, se, retFunc _, _) | ||
| case se: scala.collection.Iterator[_] => runSourceContext(session, se, retFunc _, _) | ||
| case x => xformRule #> x.toString | ||
| } | ||
|
|
||
| func(ns) | ||
| } | ||
|
|
||
| retFunc(value) _ | ||
| } | ||
|
|
||
| /** | ||
| * Hook into LiftRules to put a JavaScript | ||
| * execution loanwrapper around everything and | ||
| * also slurp in <script> tags with the data-lift-server attribute. | ||
| */ | ||
| def install() { | ||
| LiftRules.allAround.append(JSWrapper) | ||
| LiftRules.tagProcessor.prepend { | ||
| case ("script", e, session) if e.attribute("data-server-js").isDefined => | ||
| exec(e.text) | ||
| NodeSeq.Empty | ||
| } | ||
|
|
||
| LiftRules.dataAttributeProcessor.append { | ||
| case ("js", value, elem, session) => | ||
| currentScript.get.withIt(session.currentSourceContext.get) { | ||
| val (rule, v2): (NodeSeq => NodeSeq, Box[String]) = | ||
| value.roboSplit("\\#\\>") match { | ||
| case x :: Nil => (PassThru, Full(x)) | ||
| // case x :: "it" :: Nil => session.buildXformer(x, Nil) -> Empty | ||
| case x :: str :: Nil => | ||
| buildXformer(session, x, exec(str)) -> Empty | ||
| case x :: xs => buildXformer(session, x, Nil) -> Full(xs.mkString) | ||
| case _ => (PassThru, Full(value)) | ||
|
|
||
| } | ||
|
|
||
|
|
||
| v2 match { | ||
| case Full(v22) => | ||
| exec(v22) match { | ||
| case fut: LAFuture[_] => val ret = new LAFuture[NodeSeq] | ||
| fut.foreach(v => ret.satisfy(session.runSourceContext(v, rule, elem))) | ||
| ret | ||
|
|
||
| case func: Function0[_] => | ||
| () => { | ||
| session.runSourceContext(func(), rule, elem) | ||
| } | ||
|
|
||
| case x => session.runSourceContext(x, rule, elem) | ||
| } | ||
|
|
||
| case _ => rule(elem) | ||
| } | ||
| } | ||
|
|
||
| } | ||
| } | ||
|
|
||
| object currentScript extends TransientRequestVar[JSScope]({ | ||
| new JSScope | ||
| }) { | ||
| registerCleanupFunc(in => get.bye()) | ||
| } | ||
|
|
||
| private object JSWrapper extends LoanWrapper { | ||
| def apply[T](f: => T): T = { | ||
| currentScript.get | ||
| f | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Execute some JavaScript in the current context | ||
| * @param str the string to execute | ||
| * @return the value returned from the JavaScript execution | ||
| */ | ||
| def exec(str: String): AnyRef = currentScript.get.exec(str) | ||
|
|
||
| class JSScope { | ||
| private var initted = false | ||
| private var context: Context = null | ||
| private var scope: ScriptableObject = null | ||
|
|
||
| def theScope() = scope | ||
|
|
||
| def theContext() = context | ||
|
|
||
| def withIt[T](currentIt: Any)(f: => T): T = { | ||
| val cur = scope.get("it") | ||
| scope.put("it", scope, currentIt) | ||
| try { | ||
| f | ||
| } finally { | ||
| if (null eq cur) { | ||
| scope.delete("it") | ||
| } else { | ||
| scope.put("it", scope, cur) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| def init() { | ||
| initted = true | ||
| context = Context.enter() | ||
| scope = context.initStandardObjects() | ||
| scope.put("currentFile", scope, CurrentFile) | ||
| scope.put("fileParser", scope, ParsedFile) | ||
| scope.put("help", scope, JSHelper) | ||
| } | ||
|
|
||
| def bye() { | ||
| if (initted) Context.exit() | ||
| } | ||
|
|
||
| def exec(str: String): AnyRef = synchronized { | ||
| if (!initted) init() | ||
|
|
||
| context.evaluateString(scope, str, "Lift", 0, null) match { | ||
| case njo: NativeJavaObject => njo.unwrap() | ||
| case x => x | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } | ||
|
|
||
| object JSHelper { | ||
| def toJs(in: Any): Any = { | ||
| val scope = JSContext.currentScript.get.theScope() | ||
| val context = JSContext.currentScript.get.theContext() | ||
| def _toJs(in: Any): Any = { | ||
| in match { | ||
| case x: Seq[_] => | ||
| val nobj = context.newArray(scope, 0).asInstanceOf[NativeArray] | ||
| x.zipWithIndex.foreach { case (v, i) => nobj.put(i, nobj, _toJs(v)) } | ||
| nobj | ||
|
|
||
| case x: java.util.List[_] => | ||
| val nobj = context.newArray(scope, 0).asInstanceOf[NativeArray] | ||
| var n = 0 | ||
| val it = x.iterator() | ||
| while (it.hasNext) { | ||
| nobj.put(n, nobj, _toJs(it.next())) | ||
| n += 1 | ||
| } | ||
|
|
||
| nobj | ||
|
|
||
| case it: java.util.Iterator[_] => | ||
| val nobj = context.newArray(scope, 0).asInstanceOf[NativeArray] | ||
| var n = 0 | ||
| while (it.hasNext) { | ||
| nobj.put(n, nobj ,_toJs(it.next())) | ||
| n += 1 | ||
| } | ||
|
|
||
| nobj | ||
|
|
||
| case m: Map[_, _] => | ||
| val nobj = context.newObject(scope).asInstanceOf[ScriptableObject] | ||
| m.foreach { case (k, v) => nobj.defineProperty(_toJs(k).toString, _toJs(v), 0) } | ||
| nobj | ||
|
|
||
| case m: java.util.Map[_, _] => | ||
| val nobj = context.newObject(scope).asInstanceOf[ScriptableObject] | ||
| val it = m.entrySet().iterator() | ||
| while (it.hasNext) { | ||
| val n = it.next() | ||
| val k = n.getKey | ||
| val v = n.getValue | ||
| nobj.defineProperty(_toJs(k).toString, _toJs(v), 0) | ||
| } | ||
| nobj | ||
|
|
||
| case Full(x) => _toJs(x) | ||
|
|
||
| case x: EmptyBox => null | ||
|
|
||
| case Some(x) => _toJs(x) | ||
|
|
||
| case None => null | ||
|
|
||
| case Success(x) => _toJs(x) | ||
|
|
||
| case _: scala.util.Failure[_] => null | ||
|
|
||
| case x => x | ||
| } | ||
| } | ||
|
|
||
| _toJs(in) | ||
|
|
||
| } | ||
| } |
Oops, something went wrong.