public static (bool uidExists, string uidValue) GetOrGenerateUid(this XamlElementProcessor source, string xamlElement, string attributeName)
{
var uidExists = source.TryGetAttribute(xamlElement, Attributes.Uid, AttributeType.Inline, out AttributeType _, out int _, out int _, out string uid);
if (!uidExists)
{
// reuse `Name` or `x:Name` if exist
if (source.TryGetAttribute(xamlElement, Attributes.Name, AttributeType.InlineOrElement, out AttributeType _, out int _, out int _, out string name))
{
uid = name;
}
else
{
var elementName = XamlElementProcessor.GetElementName(xamlElement.AsSpan());
if (source.TryGetAttribute(xamlElement, attributeName, AttributeType.InlineOrElement, out _, out _, out _, out string value))
{
uid = $"{CultureInfo.InvariantCulture.TextInfo.ToTitleCase(value)}{elementName}";
uid = uid.RemoveAllWhitespace().RemoveNonAlphaNumerics();
}
else
{
// This is just a large random number created to hopefully avoid collisions
uid = $"{elementName}{new Random().Next(1001, 8999)}";
}
}
}
public static void CheckForHardCodedAttribute(this XamlElementProcessor source, string fileName, string elementName, string attributeName, AttributeType types, string descriptionFormat, string xamlElement, ITextSnapshot snapshot, int offset, string guidFallbackAttributeName, Guid elementIdentifier, TagList tags, List <TagSuppression> suppressions, ProjectType projType)
{
if (source.TryGetAttribute(xamlElement, attributeName, types, out AttributeType foundAttributeType, out int tbIndex, out int length, out string value))
{
if (!string.IsNullOrWhiteSpace(value) && char.IsLetterOrDigit(value[0]))
{
var tagDeps = source.CreateBaseTagDependencies(
new Span(offset + tbIndex, length),
snapshot,
fileName);
var(uidExists, uidValue) = source.GetOrGenerateUid(xamlElement, guidFallbackAttributeName);
var tag = new HardCodedStringTag(tagDeps, elementName, attributeName, projType)
{
AttributeType = foundAttributeType,
Value = value,
Description = descriptionFormat.WithParams(value),
UidExists = uidExists,
UidValue = uidValue,
ElementGuid = elementIdentifier,
};
tags.TryAdd(tag, xamlElement, suppressions);
}
}
}