public DynamicCommand(ScriptRuntime scriptRuntime, IScriptSource source)
{
Source = source;
Name = source.Name;
var scriptEngine = scriptRuntime.GetEngineByFileExtension(source.LanguageExtension);
var scriptScope = scriptEngine.CreateScope();
var scriptSource = scriptEngine.CreateScriptSourceFromString(source.GetScriptCode(), SourceCodeKind.File);
var compiledCode = scriptSource.Compile();
compiledCode.Execute(scriptScope);
Action <TAppSession, TRequestInfo> dynamicMethod;
if (!scriptScope.TryGetVariable <Action <TAppSession, TRequestInfo> >("execute", out dynamicMethod))
{
throw new Exception("Failed to find a command execution method in source: " + source.Tag);
}
CompiledTime = DateTime.Now;
m_DynamicExecuteCommand = dynamicMethod;
}
private static void SetBaristaV2Flags(IScriptSource source, BrewRequest request, BrewResponse response)
{
if (String.IsNullOrWhiteSpace(request.Bootstrapper))
{
source.Flags["bootstrapperPath"] = ConfigurationManager.AppSettings.GetValue("Barista_v2_Bootstrapper", "./../lib/BaristaBootstrapper_v1.js");
}
else
{
source.Flags["bootstrapperPath"] = request.Bootstrapper;
}
var dcs = new DataContractSerializer(typeof(BrewRequest));
source.Flags["request_xml"] = BaristaHelper.SerializeXml(request);
source.Flags["response_xml"] = BaristaHelper.SerializeXml(response);
source.Flags["request"] = JsonConvert.SerializeObject(request);
source.Flags["response"] = JsonConvert.SerializeObject(response);
source.Flags["environment"] = JsonConvert.SerializeObject(new {
baristaWebServiceBinFolder = SPUtility.GetVersionedGenericSetupPath(@"WebServices\Barista\bin", SPUtility.CompatibilityLevel15),
baristaAssembly = BaristaHelper.GetAssemblyPath(typeof(Barista.Library.BaristaGlobal)) + "\\Barista.Core.dll",
baristaSharePointAssembly = BaristaHelper.GetAssemblyPath(typeof(Barista.SharePoint.Library.BaristaSharePointGlobal)) + "\\Barista.SharePoint.Core.dll",
sharePointAssembly = BaristaHelper.GetAssemblyPath(typeof(Microsoft.SharePoint.SPContext)) + "\\Microsoft.SharePoint.dll"
});
}
public override ExecutionResult Execute(IScriptSource scriptSource, IEnumerable <string> args = null)
{
try
{
if (args != null)
{
InternalEngine.SetGlobalValue("args", InternalEngine.EnumerableToArray(args));
}
InternalEngine.Execute(new ScriptSourceProxy(scriptSource));
return(new ExecutionResult
{
Success = true
});
}
catch (JavaScriptException ex)
{
return(new ExecutionResult
{
Success = false,
ExecutionException = new ExecutionException(ex)
{
LineNumber = ex.LineNumber
}
});
}
catch (Exception ex)
{
return(new ExecutionResult
{
Success = false,
ExecutionException = new ExecutionException(ex)
});
}
}
public int GetLineSource(int line, out IScriptSource source)
{
foreach (var item in _lineSrcMap)
{
if (line >= item.First && line <= item.Last)
{
source = item.Source;
return (line - item.First) + item.Offset;
}
}
source = _source;
return line;
}
public override ExecutionResult <TReturn> Evaluate <TReturn>(IScriptSource scriptSource, IEnumerable <string> args = null)
{
try
{
if (args != null)
{
InternalEngine.SetGlobalValue("args", InternalEngine.EnumerableToArray(args));
}
TReturn val;
if (typeof(TReturn).IsArray)
{
val = EvaluateArray <TReturn>(scriptSource);
}
else if (typeof(IEnumerable).IsAssignableFrom(typeof(TReturn)) && typeof(TReturn) != typeof(string))
{
val = EvaluateEnumerable <TReturn>(scriptSource);
}
else
{
val = InternalEngine.Evaluate <TReturn>(scriptSource.GetReader().ReadToEnd());
}
return(new ExecutionResult <TReturn>
{
Value = val,
Success = true
});
}
catch (JavaScriptException ex)
{
return(new ExecutionResult <TReturn>
{
Success = false,
ExecutionException = new ExecutionException(ex)
{
LineNumber = ex.LineNumber
}
});
}
catch (Exception ex)
{
return(new ExecutionResult <TReturn>
{
Success = false,
ExecutionException = new ExecutionException(ex)
});
}
}
private TReturn EvaluateEnumerable <TReturn>(IScriptSource scriptSource)
{
if (!typeof(IEnumerable).IsAssignableFrom(typeof(TReturn)))
{
return(default(TReturn));
}
var castMethod = typeof(Enumerable).GetMethod("Cast");
var toListMethod = typeof(Enumerable).GetMethod("ToList");
var returnType = typeof(TReturn);
var obj = InternalEngine.Evaluate <ArrayInstance>(scriptSource.GetReader().ReadToEnd()).ElementValues.ToArray();
var targetType = returnType.GetGenericArguments()[0];
var cast = castMethod.MakeGenericMethod(targetType).Invoke(null, new object[] { obj });
return((TReturn)toListMethod.MakeGenericMethod(targetType).Invoke(null, new[] { cast }));
}
public object Evaluate(IScriptSource script)
{
using (var x = script.GetReader())
{
var code = x.ReadToEnd();
var bootstrapperPath = String.Empty;
if (script.Flags.ContainsKey("bootstrapperPath"))
{
bootstrapperPath = script.Flags["bootstrapperPath"];
}
var evaluateTask = Task.Run <object>(() => ExecuteAsync(bootstrapperPath, code, script.Path, script.Flags));
evaluateTask.Wait();
return(evaluateTask.Result);
}
}
public static Task ProcessScript(IScriptSource scriptSource, Func <ISerialPortComm> serialCommFactory)
{
return(new Task(async() =>
{
try
{
Log.Information("Processing the script.");
scriptSource.Backup();
var script = scriptSource.GetContent();
var commands = await script.Evaluate();
using (var serialComm = serialCommFactory())
{
var state = InitStateMachineBuilder(serialComm, commands)
.BuildStateMachine();
serialComm.OnNewMessage += (message) =>
{
state = state.Handle(message);
};
serialComm.Open();
while (state != null)
{
Thread.Sleep(100);
}
}
Log.Information("Script processing done.");
}
catch (Exception ex)
{
Log.Error(ex, "Error encountered while processing the script.");
}
}));
}
public object Eval(IScriptSource source)
{
AddSource(source);
return Eval(source.ReadAll(), source.Path);
}
public void Exec(IScriptSource source)
{
AddSource(source);
Exec(source.ReadAll(), source.Path);
}
public ScriptSourceProxy(IScriptSource source)
{
_source = source;
}
public abstract ExecutionResult <TReturn> Evaluate <TReturn>(IScriptSource scriptSource, IEnumerable <string> args = null);
public Updater(IScriptSource <ITextScriptTarget> scriptSource, ITextScriptTarget scriptTarget, Options options)
{
this.scriptSource = scriptSource;
this.scriptTarget = scriptTarget;
this.options = options;
}
public int GetLineSource(int line, out IScriptSource source)
{
source = this;
return line;
}
public Task <ExecutionResult <TReturn> > EvaluateAsync <TReturn>(IScriptSource scriptSource, IEnumerable <string> args = null)
{
return(Task.Factory.StartNew(() => Evaluate <TReturn>(scriptSource, args)));
}
public LineSource(IScriptSource source, int offset)
{
_Source = source;
First = -1;
Last = -1;
Offset = offset;
}
public ScriptBlock AppendScript(IScriptSource script)
{
var newScripts = _scripts.ToList();
newScripts.Add(script);
return new ScriptBlock(newScripts);
}
static void Process(IScriptSource source, StringBuilder sb, List<LineSource> map, int level, ref int count, string includeArg)
{
var chunk = new LineSource(source);
var localCount = 0;
var indent = (string)null;
var lines = source.AsEnumerableLines();
foreach (var line in lines)
{
/// Append lines that don't start with <see cref="IncLex"/>.
///
if (line.Length < IncLexMinLen ||
!line.StartsWith(IncLex))
{
sb.AppendLine(line);
Add(chunk, ref count, ref localCount);
continue;
}
/// Get the argument portion of the include statement.
/// If none can be found, just append the line.
var argEnd = line.IndexOfAny(new[] { '>', '"' }, IncLexLen + 1);
if (argEnd < IncLexLen)
{
sb.AppendLine(line);
Add(chunk, ref count, ref localCount);
continue;
}
var arg = line.Substring(IncLexLen + 1, argEnd - IncLexLen - 1);
/// Get the argument delimiter, either an angle-bracket or
/// a double-quote. An angle-bracket is an embedded file,
/// a double-quote is a regular file or possibly a uri in
/// the future.
var c = line[IncLexLen];
switch (c)
{
case '<':
/// Embedded Path.
indent = indent ?? new String(' ', level);
sb.AppendLine(String.Format("{0}// <{1}> include BEGIN", indent, arg));
Add(chunk, ref count, ref localCount);
map.Add(chunk);
var efileSrc = new ScriptEmbedded(arg);
Process(efileSrc, sb, map, level + 1, ref count, arg);
// New chunk of source.
chunk = new LineSource(source, localCount);
break;
case '"':
/// TODO: Preprocess Include File Path.
throw new NotImplementedException();
default:
sb.AppendLine(line);
Add(chunk, ref count, ref localCount);
break;
}
}
if (level > 0)
{
indent = new String(' ', level - 1);
sb.AppendLine(String.Format("{0}// <{1}> include END", indent, includeArg));
Add(chunk, ref count, ref localCount);
}
map.Add(chunk);
}
public Task <ExecutionResult> ExecuteAsync(IScriptSource scriptSource, IEnumerable <string> args = null)
{
return(Task.Factory.StartNew(() => Execute(scriptSource, args)));
}
public static IScriptSource Preprocess(IScriptSource source)
{
return new JsPreprocSource(source);
}
public LineSource(IScriptSource source)
: this(source, 0)
{
}
void AddSource(IScriptSource source)
{
_sourceByName.Add(source.Path, source);
}
public ScriptSourceProxy(IScriptSource source)
{
_source = source;
}
public abstract ExecutionResult Execute(IScriptSource scriptSource, IEnumerable <string> args = null);
public JsPreprocSource(IScriptSource source)
{
_source = source;
}
