public XamlXmlns(
XamlXmlns xmlns,
string targetNamespace
)
{
Index = xmlns.Index + Length;
Length = 0;
Alias = GetLastWord(targetNamespace) + GetPartOfGuid();
Namespace = targetNamespace;
Saved = false;
Suffix = xmlns.Suffix;
}
private IEnumerable <XamlXmlns> ReadXmlns()
{
var matches = Regex.Matches(_xaml, @"xmlns:([\w\d]+)=""clr-namespace:([\w\d._]+)([^""]*)""");
foreach (Match match in matches)
{
var xx = new XamlXmlns(
match.Index,
match.Length,
match.Groups[1].Value,
match.Groups[2].Value,
match.Groups[3].Value
);
yield return(xx);
}
}
public bool Perform(
string sourceNamespace,
string objectClassName,
string targetNamespace,
ref string xaml,
out XamlXmlns?newXmlns
)
{
if (sourceNamespace == null)
{
throw new ArgumentNullException(nameof(sourceNamespace));
}
if (objectClassName == null)
{
throw new ArgumentNullException(nameof(objectClassName));
}
if (targetNamespace == null)
{
throw new ArgumentNullException(nameof(targetNamespace));
}
if (xaml == null)
{
throw new ArgumentNullException(nameof(xaml));
}
newXmlns = null;
if (ClassName != objectClassName)
{
return(false);
}
var sourceXmlns = _xmlnsProvider.GetByAlias(Alias);
if (sourceXmlns.Namespace != sourceNamespace)
{
return(false);
}
//match!
//get or create new xmlns
var targetXmlns = _xmlnsProvider.TryGetByNamespace(targetNamespace);
if (targetXmlns == null)
{
targetXmlns = new XamlXmlns(
sourceXmlns,
targetNamespace
);
newXmlns = targetXmlns;
}
var xPrefix = _xmlnsProvider.GetXPrefix();
xaml = xaml.Substring(0, Index)
+ $"{{{xPrefix.Alias}:{Prefix} {targetXmlns.Alias}:{ClassName}"
+ xaml.Substring(Index + Length)
;
return(true);
}