public string GetResource(string resourcePath, Assembly assembly, object target, IXmlLineInfo lineInfo)
{
var resourceLoadingResponse = Maui.Controls.Internals.ResourceLoader.ResourceProvider2?.Invoke(new Maui.Controls.Internals.ResourceLoader.ResourceLoadingQuery
{
AssemblyName = assembly.GetName(),
ResourcePath = resourcePath,
Instance = target
});
var alternateResource = resourceLoadingResponse?.ResourceContent;
if (alternateResource != null)
{
return(alternateResource);
}
var resourceId = XamlResourceIdAttribute.GetResourceIdForPath(assembly, resourcePath);
if (resourceId == null)
{
throw new XamlParseException($"Resource '{resourcePath}' not found.", lineInfo);
}
using (var stream = assembly.GetManifestResourceStream(resourceId))
{
if (stream == null)
{
throw new XamlParseException($"No resource found for '{resourceId}'.", lineInfo);
}
using (var reader = new StreamReader(stream))
return(reader.ReadToEnd());
}
}
public T CreateFromResource <T>(string resourcePath, Assembly assembly, IXmlLineInfo lineInfo) where T : new()
{
var rd = new T();
var resourceLoadingResponse = Maui.Controls.Internals.ResourceLoader.ResourceProvider2?.Invoke(new Maui.Controls.Internals.ResourceLoader.ResourceLoadingQuery
{
AssemblyName = assembly.GetName(),
ResourcePath = resourcePath,
Instance = rd,
});
var alternateResource = resourceLoadingResponse?.ResourceContent;
if (alternateResource != null)
{
XamlLoader.Load(rd, alternateResource, resourceLoadingResponse.UseDesignProperties);
return(rd);
}
var resourceId = XamlResourceIdAttribute.GetResourceIdForPath(assembly, resourcePath);
if (resourceId == null)
{
throw new XamlParseException($"Resource '{resourcePath}' not found.", lineInfo);
}
using (var stream = assembly.GetManifestResourceStream(resourceId))
{
if (stream == null)
{
throw new XamlParseException($"No resource found for '{resourceId}'.", lineInfo);
}
using (var reader = new StreamReader(stream))
{
rd.LoadFromXaml(reader.ReadToEnd(), assembly);
return(rd);
}
}
}
object IValueProvider.ProvideValue(IServiceProvider serviceProvider)
{
IXmlLineInfo lineInfo;
if (!string.IsNullOrEmpty(Style) && Source != null)
{
throw new XamlParseException($"StyleSheet can not have both a Source and a content", serviceProvider);
}
if (Source != null)
{
lineInfo = (serviceProvider.GetService(typeof(IXmlLineInfoProvider)) as IXmlLineInfoProvider)?.XmlLineInfo;
if (Source.IsAbsoluteUri)
{
throw new XamlParseException($"Source only accepts Relative URIs", lineInfo);
}
var rootObjectType = (serviceProvider.GetService(typeof(IRootObjectProvider)) as IRootObjectProvider)?.RootObject.GetType();
if (rootObjectType == null)
{
return(null);
}
var rootTargetPath = XamlResourceIdAttribute.GetPathForType(rootObjectType);
var resourcePath = ResourceDictionary.RDSourceTypeConverter.GetResourcePath(Source, rootTargetPath);
var assembly = rootObjectType.Assembly;
return(StyleSheet.FromResource(resourcePath, assembly, lineInfo));
}
if (!string.IsNullOrEmpty(Style))
{
using (var reader = new StringReader(Style))
return(StyleSheet.FromReader(reader));
}
throw new XamlParseException($"StyleSheet require either a Source or a content", serviceProvider);
}