/// <summary>
/// Gets the fully qualified name of the type from the expression.
/// </summary>
/// <remarks>
/// The expression is the first target of a call expression.
///
/// A call expression is a method or constructor call (right hand side of expression below):
///
/// a = Root.Test.Class1()
///
/// So the expression passed to this method will be a field expression in the
/// above example which refers to Class1. The next target will be a field
/// expression referring to Test. The The last target will be a name expression
/// referring to Root.
///
/// If we have
///
/// a = Class1()
///
/// then the expression will be a name expression referring to Class1.
/// </remarks>
string GetTypeName(Expression expression)
{
NameExpression nameExpression = expression as NameExpression;
if (nameExpression != null)
{
return(nameExpression.Name);
}
return(PythonControlFieldExpression.GetMemberName(expression as MemberExpression));
}
static PythonControlFieldExpression Create(string[] memberNames)
{
string memberName = String.Empty;
if (memberNames.Length > 1)
{
memberName = memberNames[memberNames.Length - 1];
}
string fullMemberName = PythonControlFieldExpression.GetMemberName(memberNames);
return(new PythonControlFieldExpression(memberName, GetVariableNameFromSelfReference(fullMemberName), String.Empty, fullMemberName));
}
/// <summary>
/// Gets the fully qualified name of the base class.
/// </summary>
public static string GetBaseClassName(ClassDefinition classDefinition)
{
if (classDefinition.Bases.Count > 0)
{
Expression baseClassExpression = classDefinition.Bases[0];
NameExpression nameExpression = baseClassExpression as NameExpression;
MemberExpression memberExpression = baseClassExpression as MemberExpression;
if (nameExpression != null)
{
return(nameExpression.Name);
}
return(PythonControlFieldExpression.GetMemberName(memberExpression));
}
return(String.Empty);
}
/// <summary>
/// Looks for any base types for the class defined in the
/// list of expressions and adds them to the class.
/// </summary>
void AddBaseTypes(IClass c, IList <Expression> baseTypes)
{
foreach (Expression expression in baseTypes)
{
NameExpression nameExpression = expression as NameExpression;
MemberExpression memberExpression = expression as MemberExpression;
if (nameExpression != null)
{
AddBaseType(c, nameExpression.Name);
}
else if (memberExpression != null)
{
AddBaseType(c, PythonControlFieldExpression.GetMemberName(memberExpression));
}
}
}
/// <summary>
/// Creates a new instance with the specified name.
/// </summary>
object CreateInstance(string name, CallExpression node)
{
MemberExpression memberExpression = node.Target as MemberExpression;
if (memberExpression != null)
{
string typeName = PythonControlFieldExpression.GetMemberName(memberExpression);
Type type = componentCreator.GetType(typeName);
if (type != null)
{
if (type.IsAssignableFrom(typeof(ComponentResourceManager)))
{
return(componentCreator.CreateInstance(type, new object[0], name, false));
}
List <object> args = deserializer.GetArguments(node);
return(componentCreator.CreateInstance(type, args, name, false));
}
}
return(null);
}
void AddBaseType(MemberExpression memberExpression)
{
string name = PythonControlFieldExpression.GetMemberName(memberExpression);
AddBaseType(name);
}
Type GetType(MemberExpression memberExpression)
{
string typeName = PythonControlFieldExpression.GetMemberName(memberExpression);
return(componentCreator.GetType(typeName));
}
void ThrowCouldNotFindTypeException(MemberExpression memberExpression)
{
string typeName = PythonControlFieldExpression.GetMemberName(memberExpression);
throw new PythonComponentWalkerException(String.Format(StringParser.Parse("${res:ICSharpCode.PythonBinding.UnknownTypeName}"), typeName));
}
/// <summary>
/// Returns true if the expression is of the form:
///
/// resources.GetObject(...) or
/// resources.GetString(...)
/// </summary>
bool IsResource(MemberExpression memberExpression)
{
string fullName = PythonControlFieldExpression.GetMemberName(memberExpression);
return(fullName.StartsWith("resources.", StringComparison.InvariantCultureIgnoreCase));
}
