private bool IsEmptyOrWhiteSpaceCore(object entry, EmptyOrWhiteSpaceWriter writer)
{
if (entry == null)
{
return(false);
}
var stringValue = entry as string;
if (stringValue != null)
{
// Do not encode the string because encoded value remains whitespace from user's POV.
if (!string.IsNullOrWhiteSpace(stringValue))
{
return(false);
}
}
else
{
// Use NullHtmlEncoder to avoid treating encoded whitespace as non-whitespace e.g. "\t" as "	".
((IHtmlContent)entry).WriteTo(writer, NullHtmlEncoder.Default);
if (!writer.IsEmptyOrWhiteSpace)
{
return(false);
}
}
return(true);
}
private bool IsEmptyOrWhiteSpaceCore(object entry, EmptyOrWhiteSpaceWriter writer)
{
if (entry == null)
{
return(false);
}
var stringValue = entry as string;
if (stringValue != null)
{
if (!string.IsNullOrWhiteSpace(stringValue))
{
return(false);
}
}
else
{
((IHtmlContent)entry).WriteTo(writer, HtmlEncoder.Default);
if (!writer.IsEmptyOrWhiteSpace)
{
return(false);
}
}
return(true);
}
private static bool IsEmptyOrWhiteSpaceCore(object entry, EmptyOrWhiteSpaceWriter writer)
{
if (entry == null)
{
return(true);
}
if (entry is string stringValue)
{
// Do not encode the string because encoded value remains whitespace from user's POV.
return(string.IsNullOrWhiteSpace(stringValue));
}
// Use NullHtmlEncoder to avoid treating encoded whitespace as non-whitespace e.g. "\t" as "	".
((IHtmlContent)entry).WriteTo(writer, NullHtmlEncoder.Default);
return(writer.IsEmptyOrWhiteSpace);
}
private bool IsEmptyOrWhiteSpaceCore(object entry, EmptyOrWhiteSpaceWriter writer)
{
if (entry == null)
{
return false;
}
var stringValue = entry as string;
if (stringValue != null)
{
// Do not encode the string because encoded value remains whitespace from user's POV.
if (!string.IsNullOrWhiteSpace(stringValue))
{
return false;
}
}
else
{
// Use NullHtmlEncoder to avoid treating encoded whitespace as non-whitespace e.g. "\t" as "	".
((IHtmlContent)entry).WriteTo(writer, NullHtmlEncoder.Default);
if (!writer.IsEmptyOrWhiteSpace)
{
return false;
}
}
return true;
}
private bool IsEmptyOrWhiteSpaceCore(object entry, EmptyOrWhiteSpaceWriter writer)
{
if (entry == null)
{
return false;
}
var stringValue = entry as string;
if (stringValue != null)
{
if (!string.IsNullOrWhiteSpace(stringValue))
{
return false;
}
}
else
{
((IHtmlContent)entry).WriteTo(writer, HtmlEncoder.Default);
if (!writer.IsEmptyOrWhiteSpace)
{
return false;
}
}
return true;
}
