public static string GetReflectedFullName(SqlTagContext ctx, BaseTag tag, string propertyName)
{
if (ctx == null)
throw new ArgumentNullException("ctx");
if (tag == null)
throw new ArgumentNullException("tag");
if (propertyName == null)
throw new ArgumentNullException("propertyName");
var currentIteratorContext = ctx.GetAttribute(tag) as IterateContext;
// is current tag an iterate?
if (currentIteratorContext != null)
{
propertyName = String.Format("{0}[{1}]", propertyName, currentIteratorContext.Index);
}
var parentIteratorTag = FindParentIteratorTag(ctx, tag);
// is current node a child of another iterate node?
if (parentIteratorTag != null)
return BuildReflectedFullName(ctx, parentIteratorTag, propertyName);
return propertyName;
}
public static bool ReplacePropertyIndexerWithFullName(SqlTagContext ctx, BaseTag tag, StringBuilder bodyContent)
{
if (ctx == null)
throw new ArgumentNullException("ctx");
if (tag == null)
throw new ArgumentNullException("tag");
if (bodyContent == null)
throw new ArgumentNullException("bodyContent");
string propertyName = tag.Property;
if (propertyName == null)
propertyName = String.Empty;
if (propertyName.StartsWith(THIS_ENUMERATOR_PLACEHOLDER))
{
var builtPropertyName = GetReflectedFullName(ctx, tag, propertyName);
var suffix = String.Empty;
// if the property name is just the current item reference, then do not suffix the property name with a "."
if (propertyName != THIS_ENUMERATOR_PLACEHOLDER)
suffix = ".";
StringHandler.Replace(bodyContent, THIS_ENUMERATOR_PLACEHOLDER, builtPropertyName + suffix);
return true;
}
return false;
}
public object GetMemberPropertyValue(SqlTagContext ctx, BaseTag tag, object parameterObject)
{
if (ctx == null)
throw new ArgumentNullException("ctx");
if (tag == null)
throw new ArgumentNullException("tag");
return GetMemberValue(ctx, tag, tag.Property, parameterObject);
}
private IterateContext FindParentIteratorContext(SqlTagContext ctx, BaseTag tag)
{
if (tag.Parent is Iterate)
return ctx.GetAttribute(tag.Parent) as IterateContext;
var parentBaseTag = tag.Parent as BaseTag;
if (tag.Parent == null || parentBaseTag == null)
return null;
return FindParentIteratorContext(ctx, parentBaseTag);
}
public object GetMemberValue(SqlTagContext ctx, BaseTag tag, string propertyName, object parameterObject)
{
var iteratorContext = FindParentIteratorContext(ctx, tag);
if (iteratorContext != null)
{
var indexOfIndexer = propertyName.IndexOf(ReflectionMapper.THIS_ENUMERATOR_PLACEHOLDER);
if (indexOfIndexer == 0)
{
parameterObject = iteratorContext.Current;
propertyName = propertyName.Substring(indexOfIndexer + ReflectionMapper.THIS_ENUMERATOR_PLACEHOLDER.Length);
}
}
return ObjectProbe.GetMemberValue(parameterObject, propertyName, _accessorFactory);
}
private static Iterate FindParentIteratorTag(SqlTagContext ctx, BaseTag tag)
{
if (tag.Parent is Iterate)
return tag.Parent as Iterate;
var parentBaseTag = tag.Parent as BaseTag;
if (tag.Parent == null || parentBaseTag == null)
return null;
return FindParentIteratorTag(ctx, parentBaseTag);
}
internal string ReplaceIterateCurrentProperty(BaseTag baseTag)
{
return ReflectionMapper.GetReflectedFullName(this, baseTag, baseTag.Property);
}
internal IList<BindingReplacement> BuildPropertyBindingReplacements(BaseTag tag)
{
if (tag == null)
throw new ArgumentNullException("tag");
return InlineParameterMapParser.BuildBindingReplacements(_bindings, new StringBuilder(tag.Property));
}
/// <summary>
/// This class is responsible for getting the current iterate item object within an iteration. i.e. The property name starts with "[]."
/// We do this by navigating up through the parent nodes to determine which of them are iterate elements.
/// Once found we get the current iteration context item.
/// If "[]." is not specified, the original approach is used of reflecting the parameterObject to the reflection path specified in the property
/// </summary>
/// <param name="ctx"></param>
/// <param name="baseTag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
/// <remarks>
/// Created By: Richard Beacroft
/// Created Date: 11\10\2013
/// </remarks>
protected object GetMemberPropertyValue(SqlTagContext ctx, BaseTag baseTag, object parameterObject)
{
if (String.IsNullOrEmpty(baseTag.Property))
return parameterObject;
var bindingReplacement = ctx.BuildPropertyBindingReplacements(baseTag).FirstOrDefault();
if (bindingReplacement != null)
{
if (String.IsNullOrEmpty(bindingReplacement.FullPropertyName))
return bindingReplacement.Value;
return _tagPropertyProbe.GetMemberValue(ctx, baseTag, bindingReplacement.FullPropertyName, parameterObject);
}
return _tagPropertyProbe.GetMemberPropertyValue(ctx, baseTag, parameterObject);
}
