public DependencyPropertyValueRule(IStyleSelector selector,
ValueDeclaration <TValue> declaration)
{
Selector = selector;
_hashCode = selector.GetHashCode() & declaration.GetHashCode();
Declaration = declaration;
}
public JsonNode CreateKeyValuePair(TextRange textRange, KeyDeclaration key, ValueDeclaration value)
{
Assume.NotNull(textRange, nameof(textRange));
Assume.NotNull(key, nameof(key));
Assume.NotNull(value, nameof(value));
return(new KeyValueDeclaration(key, value, textRange));
}
/// <summary>
/// Fetch Type Declaration, and tests if it's equal or derived from a specific TypeNode
/// Fails if declaration is not of a Type
/// </summary>
public ValueDeclaration FetchValue(String name, System.Type expected)
{
ValueDeclaration vdecl = FetchValue(name);
if (vdecl == null || !vdecl.ISA(expected))
{
throw new InvalidIdentifier("Invalid value '" + vdecl + "'. Required '" + expected + "'");
}
return(vdecl);
}
/// <summary>
/// Parametric Check function for ValueDeclaration. Returns null if not found
/// </summary>
public T CheckValue <T>(String name) where T : ValueDeclaration
{
ValueDeclaration decl = GetDeclaration(name) as ValueDeclaration;
if (decl == null || !(decl is T))
{
return(null);
}
return((T)decl);
}
/// <summary>
/// Fetch Value Declaration.
/// Fails if declaration is not of a Type
/// </summary>
public ValueDeclaration FetchValue(String name)
{
Declaration decl = GetDeclaration(name);
if (decl == null)
{
throw new DeclarationNotFound(name);
}
if (!(decl is ValueDeclaration))
{
throw new InvalidIdentifier("Identifier '" + name + "' does not refer to a value decla");
}
ValueDeclaration tdecl = (ValueDeclaration)decl;
return(tdecl);
}
public virtual T Visit(ValueDeclaration node)
{
return(Visit((Declaration)node));
}
public JsonNode CreateKeyValuePair(TextRange textRange, KeyDeclaration key, ValueDeclaration value)
{
Assume.NotNull(textRange, nameof(textRange));
Assume.NotNull(key, nameof(key));
Assume.NotNull(value, nameof(value));
return new KeyValueDeclaration(key, value, textRange);
}
public override bool Visit(ValueDeclaration node)
{
Visit((Declaration)node);
return(true);
}
