////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private static IReadOnlyList <MatrixLabel> ReadLabels(EmberReader reader)
{
reader.AssertInnerNumber(GlowLabelCollection.InnerNumber);
var result = new List <MatrixLabel>();
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
switch (reader.GetContextSpecificOuterNumber())
{
case GlowLabelCollection.Label.OuterNumber:
reader.AssertInnerNumber(GlowLabel.InnerNumber);
int[] basePath = null;
string description = null;
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
switch (reader.GetContextSpecificOuterNumber())
{
case GlowLabel.BasePath.OuterNumber:
basePath = reader.AssertAndReadContentsAsInt32Array();
break;
case GlowLabel.Description.OuterNumber:
description = reader.AssertAndReadContentsAsString();
break;
default:
reader.Skip();
break;
}
}
if ((basePath != null) && (description != null))
{
result.Add(new MatrixLabel(basePath, description));
}
break;
default:
reader.Skip();
break;
}
}
return(result);
}
internal sealed override RetrievalState ReadAdditionalField(EmberReader reader, int contextSpecificOuterNumber)
{
this.isProviderChangeInProgress = true;
try
{
switch (contextSpecificOuterNumber)
{
case GlowMatrix.Targets.OuterNumber:
reader.AssertInnerNumber(GlowTargetCollection.InnerNumber);
this.Targets = this.ReadSignals(
reader,
this.Targets,
GlowTargetCollection.Target.OuterNumber,
GlowTarget.InnerNumber,
GlowTarget.Number.OuterNumber,
GlowTarget.Number.Name);
break;
case GlowMatrix.Sources.OuterNumber:
reader.AssertInnerNumber(GlowSourceCollection.InnerNumber);
this.Sources = this.ReadSignals(
reader,
this.Sources,
GlowSourceCollection.Source.OuterNumber,
GlowSource.InnerNumber,
GlowSource.Number.OuterNumber,
GlowSource.Number.Name);
break;
case GlowMatrix.Connections.OuterNumber:
this.ReadConnections(reader);
this.connectionsRead = true;
break;
default:
reader.Skip();
break;
}
}
finally
{
this.isProviderChangeInProgress = false;
}
return(this.RetrievalState);
}
private void ReadChildContents(
EmberReader reader,
ElementType actualType,
int number,
ref Element child,
out RetrievalState childRetrievalState)
{
reader.AssertInnerNumber(InnerNumber.Set);
if (child != null)
{
childRetrievalState = child.ReadContents(reader, actualType);
}
else
{
using (var stream = new MemoryStream())
using (var writer = new EmberWriter(stream))
{
// Since EmberReader checks that every end of a container is matched by a start, we need to write
// this dummy here.
writer.WriteStartSet(GlowNode.Contents.OuterId);
var identifier = reader.CopyToEndContainer(writer, GlowNodeContents.Identifier.OuterId) as string;
if (identifier != null)
{
writer.Flush();
stream.Position = 0;
using (var contentsReader = new EmberReader(stream))
{
contentsReader.Read(); // Read what we have written with WriteStartSet above
var newPolicy = this.childrenRetrievalPolicy == ChildrenRetrievalPolicy.All ?
ChildrenRetrievalPolicy.All : ChildrenRetrievalPolicy.None;
var context = new Context(this, number, identifier, newPolicy);
child = this.ReadNewChildContents(contentsReader, actualType, context, out childRetrievalState);
if (child != null)
{
this.children.Add(number, child);
}
}
}
else
{
childRetrievalState = RetrievalState.Complete;
child = null;
}
}
}
}
private List <KeyValuePair <string, int> > ReadEnumMap(EmberReader reader)
{
reader.AssertInnerNumber(GlowStringIntegerCollection.InnerNumber);
var result = new List <KeyValuePair <string, int> >();
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
reader.AssertInnerNumber(GlowStringIntegerPair.InnerNumber);
reader.ReadAndAssertOuter(GlowStringIntegerPair.EntryString.OuterId);
var entryString = reader.AssertAndReadContentsAsString();
reader.ReadAndAssertOuter(GlowStringIntegerPair.EntryInteger.OuterId);
var entryInteger = this.ReadInt(reader, GlowStringIntegerPair.EntryInteger.Name);
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
reader.Skip();
}
result.Add(new KeyValuePair <string, int>(entryString, entryInteger));
}
return(result);
}
private StreamDescription ReadStreamDescriptor(EmberReader reader)
{
reader.AssertInnerNumber(GlowStreamDescription.InnerNumber);
reader.ReadAndAssertOuter(GlowStreamDescription.Format.OuterId);
var streamFormat = this.ReadEnum <StreamFormat>(reader, GlowStreamDescription.Format.Name);
reader.ReadAndAssertOuter(GlowStreamDescription.Offset.OuterId);
var offset = this.ReadInt(reader, GlowStreamDescription.Offset.Name);
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
reader.Skip();
}
return(new StreamDescription(streamFormat, offset));
}
private static void ReadStreamEntry(
EmberReader reader, IReadOnlyDictionary <int, IEnumerable <IStreamedParameter> > streamedParameters)
{
reader.AssertInnerNumber(GlowStreamEntry.InnerNumber);
int? identifier = null;
object rawValue = null;
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
switch (reader.GetContextSpecificOuterNumber())
{
case GlowStreamEntry.StreamIdentifier.OuterNumber:
identifier = reader.AssertAndReadContentsAsInt32();
break;
case GlowStreamEntry.StreamValue.OuterNumber:
rawValue = reader.ReadContentsAsObject();
break;
default:
reader.Skip();
break;
}
}
IEnumerable <IStreamedParameter> group;
if (identifier.HasValue && streamedParameters.TryGetValue(identifier.Value, out group) &&
(rawValue != null))
{
foreach (var parameter in group)
{
var value = ExtractValue(parameter, rawValue);
try
{
parameter.SetProviderValue(value);
}
catch (ArgumentException ex)
{
const string Format = "Read unexpected stream value {0} for the parameter with the path {1}.";
throw new ModelException(
string.Format(CultureInfo.InvariantCulture, Format, value, parameter.GetPath()), ex);
}
}
}
}
private void ReadChild(EmberReader reader, ElementType actualType, int number)
{
var childRetrievalState = RetrievalState.Complete;
Element child;
this.children.TryGetValue(number, out child);
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
var contextSpecificOuterNumber = reader.GetContextSpecificOuterNumber();
if (contextSpecificOuterNumber == GlowNode.Contents.OuterNumber)
{
this.ReadChildContents(reader, actualType, number, ref child, out childRetrievalState);
}
else
{
if (child == null)
{
reader.Skip();
}
else
{
if (contextSpecificOuterNumber == GlowNode.Children.OuterNumber)
{
reader.AssertInnerNumber(GlowElementCollection.InnerNumber);
childRetrievalState = child.ReadChildren(reader);
}
else
{
childRetrievalState = child.ReadAdditionalField(reader, contextSpecificOuterNumber);
}
}
}
}
if (child != null)
{
child.RetrievalState = childRetrievalState;
}
this.RetrievalState =
(this.children.Count == 0 ? RetrievalState.Complete : this.RetrievalState) & childRetrievalState;
}
private IReadOnlyList <int> ReadSignals(
EmberReader reader,
IReadOnlyList <int> signals,
int outerNumber,
int innerNumber,
int numberOuterNumber,
string numberName)
{
List <int> result = new List <int>();
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
if (reader.GetContextSpecificOuterNumber() == outerNumber)
{
reader.AssertInnerNumber(innerNumber);
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
if (reader.GetContextSpecificOuterNumber() == numberOuterNumber)
{
result.Add(this.ReadInt(reader, numberName));
}
else
{
reader.Skip();
}
}
}
else
{
reader.Skip();
}
}
if (signals.Count != result.Count)
{
throw new ModelException("Inconsistent source or target counts in matrix.");
}
return(result);
}
internal int ReadTupleDescription(
EmberReader reader,
KeyValuePair <string, ParameterType>[] expectedTypes,
Action <int, KeyValuePair <string, ParameterType> > addItem)
{
reader.AssertInnerNumber(GlowTupleDescription.InnerNumber);
int index;
for (index = 0; reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer);)
{
if (reader.GetContextSpecificOuterNumber() == GlowTupleDescription.TupleItemDescription.OuterNumber)
{
addItem(index, this.ReadTupleItemDescription(reader, expectedTypes, index));
++index;
}
else
{
reader.Skip();
}
}
return(index);
}
internal virtual KeyValuePair <string, ParameterType> ReadTupleItemDescription(
EmberReader reader, KeyValuePair <string, ParameterType>[] expectedTypes, int index)
{
reader.AssertInnerNumber(GlowTupleItemDescription.InnerNumber);
reader.ReadAndAssertOuter(GlowTupleItemDescription.Type.OuterId);
var type = this.ReadEnum <ParameterType>(reader, GlowTupleItemDescription.Type.Name);
string name = null;
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
switch (reader.GetContextSpecificOuterNumber())
{
case GlowTupleItemDescription.TheName.OuterNumber:
name = reader.AssertAndReadContentsAsString();
break;
default:
reader.Skip();
break;
}
}
return(new KeyValuePair <string, ParameterType>(name, type));
}
private void ReadConnections(EmberReader reader)
{
reader.AssertInnerNumber(GlowConnectionCollection.InnerNumber);
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
switch (reader.GetContextSpecificOuterNumber())
{
case GlowConnectionCollection.Connection.OuterNumber:
reader.AssertInnerNumber(GlowConnection.InnerNumber);
int? target = null;
int[] connectedSources = new int[0];
ConnectionOperation operation = ConnectionOperation.Absolute;
ConnectionDisposition disposition = ConnectionDisposition.Tally;
while (reader.Read() && (reader.InnerNumber != InnerNumber.EndContainer))
{
switch (reader.GetContextSpecificOuterNumber())
{
case GlowConnection.Target.OuterNumber:
target = this.ReadInt(reader, GlowConnection.Target.Name);
break;
case GlowConnection.Sources.OuterNumber:
connectedSources = reader.AssertAndReadContentsAsInt32Array();
break;
case GlowConnection.Operation.OuterNumber:
operation =
this.ReadEnum <ConnectionOperation>(reader, GlowConnection.Operation.Name);
break;
case GlowConnection.Disposition.OuterNumber:
disposition =
this.ReadEnum <ConnectionDisposition>(reader, GlowConnection.Disposition.Name);
break;
default:
reader.Skip();
break;
}
}
if (target.HasValue && (disposition != ConnectionDisposition.Pending) && !this.HasChanges)
{
var existingConnectedSources = this.Connections[target.Value];
switch (operation)
{
case ConnectionOperation.Absolute:
Insert(existingConnectedSources, connectedSources, true);
break;
case ConnectionOperation.Connect:
Insert(existingConnectedSources, connectedSources, false);
break;
case ConnectionOperation.Disconnect:
foreach (var source in connectedSources)
{
existingConnectedSources.Remove(source);
}
break;
}
}
break;
default:
reader.Skip();
break;
}
}
}
