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public WriteToken ( |
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| reader | The |
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| return | void | |
/// <summary>
/// Serializes the structure.
/// </summary>
/// <param name="writer">Writer.</param>
/// <param name="stack">Stack.</param>
/// <param name="structuralComparer">Structural comparer.</param>
private static void SerializeStructure(EdiWriter writer, Stack <EdiStructure> stack, EdiPathComparer structuralComparer = null)
{
structuralComparer = structuralComparer ?? new EdiPathComparer(writer.Grammar);
var structure = stack.Peek();
var properies = structure.GetOrderedProperties(structuralComparer);
foreach (var property in properies)
{
var value = property.Info.GetValue(structure.Instance);
if (property.ValueInfo != null)
{
var path = (EdiPath)writer.Path;
if (path.Segment != property.PathInfo.Segment ||
structuralComparer.Compare(path, property.PathInfo.PathInternal) > 0)
{
writer.WriteSegmentName(property.PathInfo.Segment);
}
while (structuralComparer.Compare(path, property.PathInfo.PathInternal) < 0)
{
path = (EdiPath)writer.Path;
if (path.ElementIndex != property.PathInfo.ElementIndex)
{
writer.WriteToken(EdiToken.ElementStart);
}
else if (path.ComponentIndex != property.PathInfo.ComponentIndex)
{
writer.WriteToken(EdiToken.ComponentStart);
}
}
writer.WriteValue(value, property.ValueInfo.Picture, property.ValueInfo.Format);
}
else
{
// this is somekind of structure. Group/Message/Segment/SegmentGroup/Element
// is it a collection of some kind?
var container = property.Attributes.InferStructure();
if (property.Info.PropertyType.IsCollectionType())
{
var itemType = default(Type);
var collection = (value ?? new object[0]) as IList;
if (property.Info.PropertyType.IsArray)
{
itemType = property.Info.PropertyType.GetElementType();
}
else
{
itemType = property.Info.PropertyType.GetGenericArguments().First();
}
for (var i = 0; i < collection.Count; i++)
{
var item = collection[i];
if (stack.Count == 0)
{
throw new EdiException($"Serialization stack empty while in the middle of proccessing a collection of {itemType.Name}");
}
while (stack.Peek().Container >= container)
{
var previous = stack.Pop();
}
stack.Push(new EdiStructure(container, item, i, null));
SerializeStructure(writer, stack, structuralComparer);
}
}
else
{
// or a simple Container.
if (stack.Count == 0)
{
throw new EdiException($"Serialization stack empty while in the middle of proccessing a collection of {property.Info.PropertyType.Name}");
}
while (stack.Peek().Container >= container)
{
var previous = stack.Pop();
}
if (value == null)
{
continue;
}
stack.Push(new EdiStructure(container, value));
SerializeStructure(writer, stack, structuralComparer);
}
}
}
}
private static void SerializeStructure(EdiWriter writer, Stack <EdiStructure> stack, EdiPathComparer structuralComparer = null)
{
structuralComparer = structuralComparer ?? new EdiPathComparer(writer.Grammar);
var structure = stack.Peek();
var properies = structure.GetOrderedProperties(structuralComparer);
foreach (var property in properies)
{
var value = property.Info.GetValue(structure.Instance);
if (property.ValueInfo != null)
{
var path = (EdiPath)writer.Path;
var propertyPath = property.PathInfo.PathInternal;
var container = stack.Skip(1).FirstOrDefault();
if (propertyPath.Segment.IsWildcard)
{
if (container.Descriptor.Path.HasValue && !container.Descriptor.Path.Value.Segment.IsWildcard)
{
propertyPath = new EdiPath(container.Descriptor.Path.Value.Segment, propertyPath.Element, propertyPath.Component);
}
}
if (propertyPath.Element.IsWildcard)
{
propertyPath = new EdiPath(propertyPath.Segment, new EdiPathFragment(structure.Index.ToString()), propertyPath.Component);
}
if (path.Segment != propertyPath.Segment ||
structuralComparer.Compare(path, propertyPath) > 0)
{
writer.WriteSegmentName(propertyPath.Segment);
path = (EdiPath)writer.Path;
}
// the following loop handles the write of unmapped preceding elements/components to the one being writen
// so that path progression stays intact even though we do not have all properties present on the model.
while (structuralComparer.Compare(path, propertyPath) < 0)
{
if (!path.Element.Equals(propertyPath.Element))
{
if (path.ElementIndex == 0 && writer.WriteState != WriteState.Component && writer.WriteState != WriteState.Element)
{
writer.WriteToken(EdiToken.Null);
}
else
{
writer.WriteToken(EdiToken.ElementStart);
}
}
else if (!path.Component.Equals(propertyPath.Component))
{
if (path.ComponentIndex == 0 && writer.WriteState != WriteState.Component)
{
writer.WriteToken(EdiToken.Null);
}
else
{
writer.WriteToken(EdiToken.ComponentStart);
}
}
path = (EdiPath)writer.Path;
}
// handle auto generated values.
if (property.AutoGenerationInfo != null)
{
// do stuff.
// there should be plenty of things to work with inside the EdiWriter itself.
// We are already keeping keeping track of current position with an index.
// But it may need to track more stuff in order for this to happen.
}
writer.WriteValue(value, property.ValueInfo.Picture, property.ValueInfo.Format);
}
else
{
// this is somekind of structure. Group/Message/Segment/SegmentGroup/Element
// is it a collection of some kind?
var container = property.Attributes.InferStructure();
if (property.Info.PropertyType.IsCollectionType())
{
var itemType = default(Type);
var collection = (value ?? new object[0]) as IList;
if (property.Info.PropertyType.IsArray)
{
itemType = property.Info.PropertyType.GetElementType();
}
else
{
itemType = property.Info.PropertyType.GetGenericArguments().First();
}
for (var i = 0; i < collection.Count; i++)
{
var item = collection[i];
if (stack.Count == 0)
{
throw new EdiException($"Serialization stack empty while in the middle of proccessing a collection of {itemType.Name}");
}
while (stack.Peek().StructureType >= container)
{
var previous = stack.Pop();
}
stack.Push(new EdiStructure(container, stack.Peek(), property, item, i, null));
SerializeStructure(writer, stack, structuralComparer);
}
}
else
{
// or a simple Container.
if (stack.Count == 0)
{
throw new EdiException($"Serialization stack empty while in the middle of proccessing a collection of {property.Info.PropertyType.Name}");
}
while (stack.Peek().StructureType >= container)
{
var previous = stack.Pop();
}
if (value == null)
{
continue;
}
stack.Push(new EdiStructure(container, stack.Peek(), property, value));
SerializeStructure(writer, stack, structuralComparer);
}
}
}
}
private static void SerializeStructure(EdiWriter writer, Stack <EdiStructure> stack, EdiPathComparer structuralComparer = null)
{
structuralComparer = structuralComparer ?? new EdiPathComparer(writer.Grammar);
var structure = stack.Peek();
var properies = structure.GetOrderedProperties(structuralComparer);
foreach (var property in properies)
{
var value = property.Info.GetValue(structure.Instance);
if (property.ValueInfo != null)
{
var path = (EdiPath)writer.Path;
if (path.Segment != property.PathInfo.Segment ||
structuralComparer.Compare(path, property.PathInfo.PathInternal) > 0)
{
writer.WriteSegmentName(property.PathInfo.Segment);
path = (EdiPath)writer.Path;
}
// the following loop handles the write of unmapped preceding elements/components to the one being writen
// so that path progression stays intact even though we do not have all properties present on the model.
// TODO: Potentialy this is related to compression.
while (structuralComparer.Compare(path, property.PathInfo.PathInternal) < 0)
{
path = (EdiPath)writer.Path;
if (path.ElementIndex == 0 && writer.WriteState != WriteState.Component && writer.WriteState != WriteState.Element)
{
writer.WriteToken(EdiToken.Null);
}
else if (path.ElementIndex != property.PathInfo.ElementIndex)
{
writer.WriteToken(EdiToken.ElementStart);
}
else if (path.ComponentIndex == 0 && writer.WriteState != WriteState.Component && writer.WriteState != WriteState.Element)
{
writer.WriteToken(EdiToken.Null);
}
else if (path.ComponentIndex != property.PathInfo.ComponentIndex)
{
writer.WriteToken(EdiToken.ComponentStart);
}
}
writer.WriteValue(value, property.ValueInfo.Picture, property.ValueInfo.Format);
}
else
{
// this is somekind of structure. Group/Message/Segment/SegmentGroup/Element
// is it a collection of some kind?
var container = property.Attributes.InferStructure();
if (property.Info.PropertyType.IsCollectionType())
{
var itemType = default(Type);
var collection = (value ?? new object[0]) as IList;
if (property.Info.PropertyType.IsArray)
{
itemType = property.Info.PropertyType.GetElementType();
}
else
{
itemType = property.Info.PropertyType.GetGenericArguments().First();
}
for (var i = 0; i < collection.Count; i++)
{
var item = collection[i];
if (stack.Count == 0)
{
throw new EdiException($"Serialization stack empty while in the middle of proccessing a collection of {itemType.Name}");
}
while (stack.Peek().StructureType >= container)
{
var previous = stack.Pop();
}
stack.Push(new EdiStructure(container, stack.Peek(), property, item, i, null));
SerializeStructure(writer, stack, structuralComparer);
}
}
else
{
// or a simple Container.
if (stack.Count == 0)
{
throw new EdiException($"Serialization stack empty while in the middle of proccessing a collection of {property.Info.PropertyType.Name}");
}
while (stack.Peek().StructureType >= container)
{
var previous = stack.Pop();
}
if (value == null)
{
continue;
}
stack.Push(new EdiStructure(container, stack.Peek(), property, value));
SerializeStructure(writer, stack, structuralComparer);
}
}
}
}