private Type _FindContextWithFeatures(ContextTargetType contextTargetType, ContextFeatures contextFeatures)
{
IEnumerable <Type> contextTypes = Assembly.GetExecutingAssembly().GetAttributedTypes(typeof(ContextAttribute));
return
(contextTypes.FirstOrDefault(
x =>
x.GetCustomAttributes(typeof(ContextAttribute), false).Cast <ContextAttribute>().Any(
y => y.TargetType == contextTargetType && y.Caching == contextFeatures.Caching)));
}
public ISequenceContext CreateSequenceContext(ContextFeatures contextFeatures, ISequence sequence)
{
ISequenceExecutor executor = Vixen.Services.SequenceTypeService.Instance.CreateSequenceExecutor(sequence);
ISequenceContext context = (ISequenceContext)_CreateContext(ContextTargetType.Sequence, contextFeatures);
if (executor != null && context != null)
{
context.Executor = executor;
context.Sequence = sequence;
_AddContext(context);
}
return(context);
}
public ISequenceContext CreateSequenceContext(ContextFeatures contextFeatures, ISequence sequence)
{
ISequenceExecutor executor = Vixen.Services.SequenceTypeService.Instance.CreateSequenceExecutor(sequence);
ISequenceContext context = (ISequenceContext)_CreateContext(ContextTargetType.Sequence, contextFeatures);
if (executor != null && context != null)
{
context.Executor = executor;
context.Sequence = sequence;
_AddContext(context);
}
VixenSystem.Instrumentation.AddValue(_contextUpdateTimeValue);
return(context);
}
private IContext _CreateContext(ContextTargetType contextTargetType, ContextFeatures contextFeatures)
{
if (contextFeatures == null)
{
throw new ArgumentNullException("contextFeatures");
}
Type contextType = _FindContextWithFeatures(contextTargetType, contextFeatures);
if (contextType == null)
{
Logging.Error(string.Format("Could not find a context for target type {0} with features {1}", contextTargetType, contextFeatures));
return(null);
}
return((ContextBase)Activator.CreateInstance(contextType));
}
private IContext _CreateContext(ContextTargetType contextTargetType, ContextFeatures contextFeatures)
{
if (contextFeatures == null)
{
throw new ArgumentNullException("contextFeatures");
}
Type contextType = _FindContextWithFeatures(contextTargetType, contextFeatures);
if (contextType == null)
{
VixenSystem.Logging.Error("Could not find a context for target type " + contextTargetType + " with features " + contextFeatures);
return(null);
}
return((ContextBase)Activator.CreateInstance(contextType));
}
/// <summary>
/// Look if the provided text starts with any declaration keyword
/// </summary>
public static bool IsDeclaration(string line, ContextFeatures features)
{
foreach (string keyword in features.accessKeywords)
{
if (line.StartsWith(keyword) && IsSpaceAt(line, keyword.Length))
{
return(true);
}
}
foreach (string keyword in features.declKeywords)
{
if (line.StartsWith(keyword) && IsSpaceAt(line, keyword.Length))
{
return(true);
}
}
return(false);
}
public IProgramContext CreateProgramContext(ContextFeatures contextFeatures, IProgram program, IExecutor executor)
{
if (contextFeatures == null)
{
throw new ArgumentNullException("contextFeatures");
}
if (executor == null)
{
throw new ArgumentNullException("executor");
}
IProgramContext context = (IProgramContext)_CreateContext(ContextTargetType.Program, contextFeatures);
if (context != null)
{
context.Executor = executor;
context.Program = program;
_AddContext(context);
}
return(context);
}
public IProgramContext CreateProgramContext(ContextFeatures contextFeatures, IProgram program)
{
return(CreateProgramContext(contextFeatures, program, new ProgramExecutor(program)));
}
