/// <summary>
/// Constructs a descriptor instance.
/// </summary>
/// <param name="dir">data-flow direction of the port</param>
/// <param name="usage">usage hint</param>
/// <param name="domain">optional argument for future use</param>
/// <param name="elementType">type descriptor of exchanged data</param>
public PortBuilder(EFlowDirection dir, EPortUsage usage, string domain, TypeDescriptor elementType)
{
_dir = dir;
_usage = usage;
_domain = domain;
_elementType = elementType;
}
internal SignalArgumentDescriptor(TypeDescriptor argumentType, EFlowDirection direction,
TypeDescriptor elementType, EFlowDirection access) :
base(argumentType, direction)
{
_elementType = elementType;
_access = access;
}
public ISignalOrPortDescriptor GetSignal(EBinderFlags flags, EPortUsage portUsage, string name, string domainID, object initialValue)
{
if (portUsage == EPortUsage.Clock)
{
return(FindClock(domainID).Descriptor);
}
else if (portUsage == EPortUsage.State)
{
throw new NotSupportedException("State signal is not supported by default auto-binder");
}
else
{
if (flags.HasFlag(EBinderFlags.ExistingSignal))
{
var result = _host.Descriptor.FindSignal(name);
if (result != null)
{
return(null);
}
}
if (flags.HasFlag(EBinderFlags.CreateNewPort))
{
EFlowDirection dir = EFlowDirection.In;
if (flags.HasFlag(EBinderFlags.In))
{
dir = EFlowDirection.In;
}
if (flags.HasFlag(EBinderFlags.Out))
{
dir = EFlowDirection.Out;
}
if (flags.HasFlag(EBinderFlags.InOut))
{
dir = EFlowDirection.InOut;
}
int id = _id++;
var port = _host.Descriptor.CreatePort("agp" + id + "_" + name, dir,
TypeDescriptor.GetTypeOf(initialValue));
return(port);
}
if (flags.HasFlag(EBinderFlags.CreateNewSignal))
{
int id = _id++;
var signal = _host.Descriptor.CreateSignalInstance("ags" + id + "_" + name,
TypeDescriptor.GetTypeOf(initialValue));
return(signal);
}
return(null);
}
}
/// <summary>
/// Creates and adds a new port.
/// </summary>
/// <param name="me">component descriptor to host the new port</param>
/// <param name="name">name of new port</param>
/// <param name="dir">data-flow direction</param>
/// <param name="dataType">type descriptor of exchanged data</param>
/// <returns>the descriptor of the newly created port</returns>
public static PortBuilder CreatePort(this IComponentDescriptor me, string name, EFlowDirection dir, TypeDescriptor dataType)
{
return(CreatePort(me, name, dir, EPortUsage.Default, dataType));
}
/// <summary>
/// Creates and adds a new port.
/// </summary>
/// <param name="me">component descriptor to host the new port</param>
/// <param name="name">name of new port</param>
/// <param name="dir">data-flow direction</param>
/// <param name="usage">usage hint</param>
/// <param name="dataType">type descriptor of exchanged data</param>
/// <returns>the descriptor of the newly created port</returns>
public static PortBuilder CreatePort(this IComponentDescriptor me, string name, EFlowDirection dir, EPortUsage usage, TypeDescriptor dataType)
{
Contract.Requires <ArgumentNullException>(me != null);
Contract.Requires <ArgumentNullException>(name != null);
Contract.Requires <ArgumentNullException>(dataType != null);
PortBuilder result = new PortBuilder(dir, usage, null, dataType);
me.AddChild(result, name);
return(result);
}
internal ArgumentDescriptor(TypeDescriptor argumentType, EFlowDirection direction)
{
_argumentType = argumentType;
_direction = direction;
}
public ISignalArgumentDescriptor AddNewSignalArgument(string name, int index, TypeDescriptor elementType, EFlowDirection access)
{
var arg = new SignalArgumentDescriptor(typeof(SignalBase), EFlowDirection.In, elementType, access);
arg.Nest(this, new IndexSpec(index));
return(arg);
}
public IArgumentDescriptor AddNewArgument(string name, int index, TypeDescriptor argumentType, EFlowDirection direction)
{
var arg = new ArgumentDescriptor(argumentType, direction);
arg.Nest(this, new IndexSpec(index));
return(arg);
}
public ScrollBox(Element owner, EFlowDirection block_Flow_Direction, EFlowDirection inline_Base_Direction) : this(block_Flow_Direction, inline_Base_Direction)
{
Owner = owner;
}
public ScrollBox(IViewport owner, EFlowDirection block_Flow_Direction, EFlowDirection inline_Base_Direction) : this(block_Flow_Direction, inline_Base_Direction)
{
View = owner;
}
private ScrollBox(EFlowDirection block_Flow_Direction, EFlowDirection inline_Base_Direction)
{
Block = block_Flow_Direction;
Inline = inline_Base_Direction;
}
/// <summary>
/// Creates and adds a new port.
/// </summary>
/// <param name="me">component descriptor to host the new port</param>
/// <param name="name">name of new port</param>
/// <param name="dir">data-flow direction</param>
/// <param name="dataType">type descriptor of exchanged data</param>
/// <returns>the descriptor of the newly created port</returns>
public static PortBuilder CreatePort(this IComponentDescriptor me, string name, EFlowDirection dir, TypeDescriptor dataType)
{
return CreatePort(me, name, dir, EPortUsage.Default, dataType);
}
/// <summary>
/// Creates and adds a new port.
/// </summary>
/// <param name="me">component descriptor to host the new port</param>
/// <param name="name">name of new port</param>
/// <param name="dir">data-flow direction</param>
/// <param name="usage">usage hint</param>
/// <param name="dataType">type descriptor of exchanged data</param>
/// <returns>the descriptor of the newly created port</returns>
public static PortBuilder CreatePort(this IComponentDescriptor me, string name, EFlowDirection dir, EPortUsage usage, TypeDescriptor dataType)
{
Contract.Requires<ArgumentNullException>(me != null);
Contract.Requires<ArgumentNullException>(name != null);
Contract.Requires<ArgumentNullException>(dataType != null);
PortBuilder result = new PortBuilder(dir, usage, null, dataType);
me.AddChild(result, name);
return result;
}
/// <summary>
/// Constructs a descriptor instance.
/// </summary>
/// <param name="dir">data-flow direction of the port</param>
/// <param name="usage">usage hint</param>
/// <param name="domain">optional argument for future use</param>
/// <param name="elementType">type descriptor of exchanged data</param>
public PortBuilder(EFlowDirection dir, EPortUsage usage, string domain, TypeDescriptor elementType)
{
_dir = dir;
_usage = usage;
_domain = domain;
_elementType = elementType;
}
/// <summary>
/// Constructs a new instance.
/// </summary>
/// <param name="direction">data direction</param>
public MapToPort(EFlowDirection direction)
{
Direction = direction;
}
private string PortDirectionToString(EFlowDirection dir)
{
switch (dir)
{
case EFlowDirection.In: return "in";
case EFlowDirection.Out: return "out";
case EFlowDirection.InOut: return "inout";
default: throw new NotImplementedException();
}
}
