protected override IDependencyDefinition ExtractFromRoot(Expression rootExpression, string propertyPath)
{
IDependencyDefinition result = null;
if (!(rootExpression is MemberExpression memberExpression))
{
return(null);
}
if (memberExpression.Expression == null)
{
result = new StaticDependencyDefinition(propertyPath, memberExpression.Member);
}
return(result);
}
/// <summary>
/// When overridden in a derived class, extracts the appropriate dependency from the root of the expression.
/// </summary>
/// <param name="rootExpression">The root expression.</param>
/// <param name="propertyPath">The property path.</param>
/// <returns></returns>
protected override IDependencyDefinition ExtractFromRoot(Expression rootExpression, string propertyPath)
{
IDependencyDefinition result = null;
if (rootExpression is MemberExpression)
{
// We are left with a member expression that does not have a source. It must
// use a static item
var nextMember = (MemberExpression) rootExpression;
if (nextMember.Expression == null)
{
result = new StaticDependencyDefinition(propertyPath, nextMember.Member);
}
}
return result;
}
/// <summary>
/// When overridden in a derived class, extracts the appropriate dependency from the root of the expression.
/// </summary>
/// <param name="rootExpression">The root expression.</param>
/// <param name="propertyPath">The property path.</param>
/// <returns></returns>
protected override IDependencyDefinition ExtractFromRoot(Expression rootExpression, string propertyPath)
{
IDependencyDefinition result = null;
if (rootExpression is MemberExpression)
{
// We are left with a member expression that does not have a source. It must
// use a static item
var nextMember = (MemberExpression)rootExpression;
if (nextMember.Expression == null)
{
result = new StaticDependencyDefinition(propertyPath, nextMember.Member);
}
}
return(result);
}
