private void TryExtractAttribute(AttributeType propertyAttributes, PropertyInfo propInfo)
{
if (propertyAttributes == AttributeType.None)
{
return;
}
if (propertyAttributes.HasFlag(AttributeType.ColumnMap))
{
TryAddAttribute(propInfo, ColumnMapAttributes, (cm, prop) => cm.PropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.RenameColumn))
{
TryAddAttribute(propInfo, RenameColumnAttributes, (cm, prop) => cm.CurrentName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.DistinctColumn))
{
TryAddAttribute(propInfo, DistinctColumnAttributes, (cm, prop) => cm.DistinctPropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.KeyColumn))
{
TryAddAttribute(propInfo, KeyColumnAttributes, (cm, prop) => cm.KeyPropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.AggregateColumn))
{
TryAddAttribute(propInfo, AggregateColumnAttributes, (cm, prop) => cm.AggregatedValuePropName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.GroupColumn))
{
TryAddAttribute(propInfo, GroupColumnAttributes, (cm, prop) => cm.GroupPropNameInOutput = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.MatchColumn))
{
TryAddAttribute(propInfo, MatchColumnAttributes, (cm, prop) => cm.LookupSourcePropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.RetrieveColumn))
{
TryAddAttribute(propInfo, RetrieveColumnAttributes, (cm, prop) => cm.LookupSourcePropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.IdColumn))
{
TryAddAttribute(propInfo, IdColumnAttributes, (cm, prop) => cm.IdPropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.UpdateColumn))
{
TryAddAttribute(propInfo, UpdateColumnAttributes, (cm, prop) => cm.UpdatePropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.CompareColumn))
{
TryAddAttribute(propInfo, CompareColumnAttributes, (cm, prop) => cm.ComparePropertyName = prop.Name);
}
if (propertyAttributes.HasFlag(AttributeType.DeleteColumn))
{
TryAddAttribute(propInfo, DeleteColumnAttributes, (cm, prop) => cm.DeletePropertyName = prop.Name);
}
}
public bool TryGetAttribute(string xaml, string attributeName, AttributeType attributeTypesToCheck, out AttributeType attributeType, out int index, out int length, out string value)
{
try
{
var xamlSpan = xaml.AsSpan();
if (attributeTypesToCheck.HasFlag(AttributeType.Inline))
{
if (string.IsNullOrWhiteSpace(xaml))
{
System.Diagnostics.Debugger.Break();
this.Logger.RecordError($"xaml not passed to `TryGetAttribute({xaml}, {attributeName}, {attributeTypesToCheck})`");
attributeType = AttributeType.None;
index = -1;
length = 0;
value = string.Empty;
return(false);
}
var searchText = $"{attributeName}=\"";
var tbIndex = xaml.IndexOf(searchText, StringComparison.Ordinal);
if (tbIndex >= 0 && char.IsWhiteSpace(xaml[tbIndex - 1]))
{
var tbEnd = xaml.IndexOf("\"", tbIndex + searchText.Length, StringComparison.Ordinal);
attributeType = AttributeType.Inline;
index = tbIndex;
length = tbEnd - tbIndex + 1;
value = xaml.Substring(tbIndex + searchText.Length, tbEnd - tbIndex - searchText.Length);
return(true);
}
}
var elementName = GetElementName(xamlSpan);
if (attributeTypesToCheck.HasFlag(AttributeType.Element))
{
var searchText = $"<{elementName}.{attributeName}>";
var startIndex = xamlSpan.IndexOf(searchText.AsSpan(), StringComparison.Ordinal);
if (startIndex > -1)
{
var closingElement = $"</{elementName}.{attributeName}>";
var endPos = xaml.IndexOf(closingElement, startIndex, StringComparison.Ordinal);
if (endPos > -1)
{
attributeType = AttributeType.Element;
index = startIndex;
length = endPos - startIndex + closingElement.Length;
value = xaml.Substring(startIndex + searchText.Length, endPos - startIndex - searchText.Length);
return(true);
}
}
}
if (attributeTypesToCheck.HasFlag(AttributeType.DefaultValue))
{
var endOfOpening = xamlSpan.IndexOf(">".AsSpan(), StringComparison.Ordinal);
var startOfClosing = xamlSpan.IndexOf($"</{elementName}>".AsSpan(), StringComparison.Ordinal);
if (startOfClosing > 0 && startOfClosing > endOfOpening)
{
var defaultValue = xaml.Substring(endOfOpening + 1, startOfClosing - endOfOpening - 1);
if (!string.IsNullOrWhiteSpace(defaultValue) && !defaultValue.TrimStart().StartsWith("<"))
{
attributeType = AttributeType.DefaultValue;
index = 0;
length = xaml.Length;
value = defaultValue;
return(true);
}
}
}
}
catch (Exception exc)
{
this?.Logger?.RecordException(exc);
}
attributeType = AttributeType.None;
index = -1;
length = 0;
value = string.Empty;
return(false);
}
public bool TryGetAttribute(string xaml, string attributeName, AttributeType attributeTypesToCheck, out AttributeType attributeType, out int index, out int length, out string value)
{
if (attributeTypesToCheck.HasFlag(AttributeType.Inline))
{
var searchText = $"{attributeName}=\"";
var tbIndex = xaml.IndexOf(searchText, StringComparison.Ordinal);
if (tbIndex >= 0)
{
var tbEnd = xaml.IndexOf("\"", tbIndex + searchText.Length, StringComparison.Ordinal);
attributeType = AttributeType.Inline;
index = tbIndex;
length = tbEnd - tbIndex + 1;
value = xaml.Substring(tbIndex + searchText.Length, tbEnd - tbIndex - searchText.Length);
return(true);
}
}
var elementName = xaml.Substring(1, xaml.IndexOfAny(new[] { ' ', '>' }) - 1);
if (attributeTypesToCheck.HasFlag(AttributeType.Element))
{
var searchText = $"<{elementName}.{attributeName}>";
var startIndex = xaml.IndexOf(searchText, StringComparison.Ordinal);
if (startIndex > -1)
{
var closingElement = $"</{elementName}.{attributeName}>";
var endPos = xaml.IndexOf(closingElement, startIndex, StringComparison.Ordinal);
if (endPos > -1)
{
attributeType = AttributeType.Element;
index = startIndex;
length = endPos - startIndex + closingElement.Length;
value = xaml.Substring(startIndex + searchText.Length, endPos - startIndex - searchText.Length);
return(true);
}
}
}
if (attributeTypesToCheck.HasFlag(AttributeType.DefaultValue))
{
var endOfOpening = xaml.IndexOf(">");
var closingTag = $"</{elementName}>";
var startOfClosing = xaml.IndexOf(closingTag, StringComparison.Ordinal);
if (startOfClosing > 0 && startOfClosing > endOfOpening)
{
var defaultValue = xaml.Substring(endOfOpening + 1, startOfClosing - endOfOpening - 1);
if (!string.IsNullOrWhiteSpace(defaultValue) && !defaultValue.TrimStart().StartsWith("<"))
{
attributeType = AttributeType.DefaultValue;
index = 0;
length = xaml.Length;
value = defaultValue;
return(true);
}
}
}
attributeType = AttributeType.None;
index = -1;
length = 0;
value = string.Empty;
return(false);
}
