public string GetResource(string resourcePath, Assembly assembly, IXmlLineInfo lineInfo)
{
var alternateResource = Xamarin.Forms.Internals.ResourceLoader.ResourceProvider?.Invoke(resourcePath);
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 string GetResource(string resourcePath, Assembly assembly, object target, IXmlLineInfo lineInfo)
{
var resourceLoadingResponse = Forms.Internals.ResourceLoader.ResourceProvider2?.Invoke(new Forms.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 resourceLoadingResponse = Forms.Internals.ResourceLoader.ResourceProvider2?.Invoke(new Forms.Internals.ResourceLoader.ResourceLoadingQuery {
AssemblyName = assembly.GetName(),
ResourcePath = resourcePath
});
var alternateResource = resourceLoadingResponse?.ResourceContent;
if (alternateResource != null)
{
var rd = new T();
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)) {
var rd = new T();
rd.LoadFromXaml(reader.ReadToEnd());
return(rd);
}
}
}
static string GetXamlForType(Type type, object instance, out bool useDesignProperties)
{
useDesignProperties = false;
//the Previewer might want to provide it's own xaml for this... let them do that
//the check at the end is preferred (using ResourceLoader). keep this until all the previewers are updated
string xaml;
#pragma warning disable 0618
if (ResourceLoader.ResourceProvider2 == null && (xaml = Internals.XamlLoader.XamlFileProvider?.Invoke(type)) != null)
{
return(xaml);
}
#pragma warning restore 0618
var assembly = type.GetTypeInfo().Assembly;
var resourceId = XamlResourceIdAttribute.GetResourceIdForType(type);
var rlr = ResourceLoader.ResourceProvider2?.Invoke(new ResourceLoader.ResourceLoadingQuery {
AssemblyName = assembly.GetName(),
ResourcePath = XamlResourceIdAttribute.GetPathForType(type),
Instance = instance,
});
var alternateXaml = rlr?.ResourceContent;
if (alternateXaml != null)
{
useDesignProperties = rlr.UseDesignProperties;
return(alternateXaml);
}
if (resourceId == null)
{
return(LegacyGetXamlForType(type));
}
using (var stream = assembly.GetManifestResourceStream(resourceId)) {
if (stream != null)
{
using (var reader = new StreamReader(stream))
xaml = reader.ReadToEnd();
}
else
{
xaml = null;
}
}
return(xaml);
}
static string GetXamlForType(Type type)
{
//the Previewer might want to provide it's own xaml for this... let them do that
//the check at the end is preferred (using ResourceLoader). keep this until all the previewers are updated
string xaml;
#pragma warning disable 0618
if (ResourceLoader.ResourceProvider == null && (xaml = Internals.XamlLoader.XamlFileProvider?.Invoke(type)) != null)
{
return(xaml);
}
#pragma warning restore 0618
var assembly = type.GetTypeInfo().Assembly;
var resourceId = XamlResourceIdAttribute.GetResourceIdForType(type);
var alternateXaml = ResourceLoader.ResourceProvider?.Invoke(assembly.GetName(), XamlResourceIdAttribute.GetPathForType(type));
if (alternateXaml != null)
{
return(alternateXaml);
}
if (resourceId == null)
{
return(LegacyGetXamlForType(type));
}
using (var stream = assembly.GetManifestResourceStream(resourceId)) {
if (stream != null)
{
using (var reader = new StreamReader(stream))
xaml = reader.ReadToEnd();
}
else
{
xaml = null;
}
}
return(xaml);
}
object IValueProvider.ProvideValue(IServiceProvider serviceProvider)
{
IXmlLineInfo lineInfo;
if (!string.IsNullOrEmpty(Style) && Source != null)
{
lineInfo = (serviceProvider.GetService(typeof(IXmlLineInfoProvider)) as IXmlLineInfoProvider)?.XmlLineInfo;
throw new XamlParseException($"StyleSheet can not have both a Source and a content", lineInfo);
}
if (Source != null)
{
lineInfo = (serviceProvider.GetService(typeof(IXmlLineInfoProvider)) as IXmlLineInfoProvider)?.XmlLineInfo;
if (Source.IsAbsoluteUri)
{
throw new XamlParseException($"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 resString = DependencyService.Get <IResourcesLoader>().GetResource(resourcePath, rootObjectType.GetTypeInfo().Assembly, lineInfo);
return(StyleSheet.FromString(resString));
}
if (!string.IsNullOrEmpty(Style))
{
using (var reader = new StringReader(Style))
return(StyleSheet.FromReader(reader));
}
lineInfo = (serviceProvider.GetService(typeof(IXmlLineInfoProvider)) as IXmlLineInfoProvider)?.XmlLineInfo;
throw new XamlParseException($"StyleSheet require either a Source or a content", lineInfo);
}
