private static void ProcessAvaloniaResources(IAssemblyInformation asm, ITypeInformation[] asmTypes, List <AvaresInfo> avaresValues)
{
const string avaresToken = "Build:"; //or "Populate:" should work both ways
void registeravares(string localUrl, string returnTypeFullName = "")
{
var globalUrl = $"avares://{asm.Name}{localUrl}";
if (!avaresValues.Any(v => v.GlobalUrl == globalUrl))
{
var avres = new AvaresInfo
{
Assembly = asm,
LocalUrl = localUrl,
GlobalUrl = globalUrl,
ReturnTypeFullName = returnTypeFullName
};
avaresValues.Add(avres);
}
}
var resType = asmTypes.FirstOrDefault(t => t.FullName == "CompiledAvaloniaXaml.!AvaloniaResources");
if (resType != null)
{
foreach (var res in resType.Methods.Where(m => m.Name.StartsWith(avaresToken)))
{
registeravares(res.Name.Replace(avaresToken, ""), res.ReturnTypeFullName ?? "");
}
}
//try add avares Embedded resources like image,stream and x:Class
if (asm.ManifestResourceNames.Contains("!AvaloniaResources"))
{
try
{
using (var avaresStream = asm.GetManifestResourceStream("!AvaloniaResources"))
using (var r = new BinaryReader(avaresStream))
{
var ms = new MemoryStream(r.ReadBytes(r.ReadInt32()));
var br = new BinaryReader(ms);
int version = br.ReadInt32();
if (version == 1)
{
var assetDoc = XDocument.Load(ms);
var ns = assetDoc.Root.GetDefaultNamespace();
var avaResEntries = assetDoc.Root.Element(ns.GetName("Entries")).Elements(ns.GetName("AvaloniaResourcesIndexEntry"))
.Select(entry => new
{
Path = entry.Element(ns.GetName("Path")).Value,
Offset = int.Parse(entry.Element(ns.GetName("Offset")).Value),
Size = int.Parse(entry.Element(ns.GetName("Size")).Value)
}).ToArray();
var xClassEntries = avaResEntries.FirstOrDefault(v => v.Path == "/!AvaloniaResourceXamlInfo");
//get information about x:Class resources
if (xClassEntries != null && xClassEntries.Size > 0)
{
try
{
avaresStream.Seek(xClassEntries.Offset, SeekOrigin.Current);
var xClassDoc = XDocument.Load(new MemoryStream(r.ReadBytes(xClassEntries.Size)));
var xClassMappingNode = xClassDoc.Root.Element(xClassDoc.Root.GetDefaultNamespace().GetName("ClassToResourcePathIndex"));
if (xClassMappingNode != null)
{
const string arraysNs = "http://schemas.microsoft.com/2003/10/Serialization/Arrays";
var keyvalueofss = XName.Get("KeyValueOfstringstring", arraysNs);
var keyName = XName.Get("Key", arraysNs);
var valueName = XName.Get("Value", arraysNs);
var xClassMappings = xClassMappingNode.Elements(keyvalueofss)
.Where(e => e.Elements(keyName).Any() && e.Elements(valueName).Any())
.Select(e => new
{
Type = e.Element(keyName).Value,
Path = e.Element(valueName).Value,
}).ToArray();
foreach (var xcm in xClassMappings)
{
var resultType = asmTypes.FirstOrDefault(t => t.FullName == xcm.Type);
//if we need another check
//if (resultType?.Methods?.Any(m => m.Name == "!XamlIlPopulate") ?? false)
if (resultType != null)
{
//we set here base class like Style, Styles, UserControl so we can manage
//resources in a common way later
registeravares(xcm.Path, resultType.GetBaseType()?.FullName ?? "");
}
}
}
}
catch (Exception xClassEx)
{
Console.WriteLine($"Failed fetch avalonia x:class resources in {asm.Name}, {xClassEx.Message}");
}
}
//add other img/stream resources
foreach (var entry in avaResEntries.Where(v => !v.Path.StartsWith("/!")))
{
registeravares(entry.Path);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine($"Failed fetch avalonia resources in {asm.Name}, {ex.Message}");
}
}
}
public static Metadata ConvertMetadata(IMetadataReaderSession provider)
{
var types = new Dictionary <string, MetadataType>();
var typeDefs = new Dictionary <MetadataType, ITypeInformation>();
var metadata = new Metadata();
var resourceUrls = new List <string>();
var avaresValues = new List <AvaresInfo>();
var ignoredResExt = new[] { ".resources", ".rd.xml" };
bool skipRes(string res) => ignoredResExt.Any(r => res.EndsWith(r, StringComparison.OrdinalIgnoreCase));
PreProcessTypes(types, metadata);
foreach (var asm in provider.Assemblies)
{
var aliases = new Dictionary <string, string[]>();
ProcessWellKnownAliases(asm, aliases);
ProcessCustomAttributes(asm, aliases);
foreach (var type in asm.Types.Where(x => !x.IsInterface && x.IsPublic))
{
var mt = types[type.FullName] = ConvertTypeInfomation(type);
typeDefs[mt] = type;
metadata.AddType("clr-namespace:" + type.Namespace + ";assembly=" + asm.Name, mt);
string[] nsAliases = null;
if (aliases.TryGetValue(type.Namespace, out nsAliases))
{
foreach (var alias in nsAliases)
{
metadata.AddType(alias, mt);
}
}
}
const string avaresToken = "Build:"; //or "Populate:" should work both ways
foreach (var resType in asm.Types.Where(t => t.FullName == "CompiledAvaloniaXaml.!AvaloniaResources" || t.Name == "CompiledAvaloniaXaml.!AvaloniaResources"))
{
foreach (var res in resType.Methods.Where(m => m.Name.StartsWith(avaresToken)))
{
var localUrl = res.Name.Replace(avaresToken, "");
var avres = new AvaresInfo
{
Assembly = asm,
LocalUrl = localUrl,
GlobalUrl = $"avares://{asm.Name}{localUrl}",
ReturnTypeFullName = res.ReturnTypeFullName ?? ""
};
avaresValues.Add(avres);
}
}
resourceUrls.AddRange(asm.ManifestResourceNames.Where(r => !skipRes(r)).Select(r => $"resm:{r}?assembly={asm.Name}"));
}
foreach (var type in types.Values)
{
ITypeInformation typeDef;
typeDefs.TryGetValue(type, out typeDef);
var ctors = typeDef?.Methods
.Where(m => m.IsPublic && !m.IsStatic && m.Name == ".ctor" && m.Parameters.Count == 1);
int level = 0;
while (typeDef != null)
{
foreach (var prop in typeDef.Properties)
{
if (!prop.HasPublicGetter && !prop.HasPublicSetter)
{
continue;
}
var p = new MetadataProperty(prop.Name, types.GetValueOrDefault(prop.TypeFullName),
types.GetValueOrDefault(typeDef.FullName), false, prop.IsStatic, prop.HasPublicGetter,
prop.HasPublicSetter);
type.Properties.Add(p);
}
//check for attached properties only on top level
if (level == 0)
{
foreach (var methodDef in typeDef.Methods)
{
if (methodDef.Name.StartsWith("Set") && methodDef.IsStatic && methodDef.IsPublic &&
methodDef.Parameters.Count == 2)
{
var name = methodDef.Name.Substring(3);
type.Properties.Add(new MetadataProperty(name,
types.GetValueOrDefault(methodDef.Parameters[1].TypeFullName),
types.GetValueOrDefault(typeDef.FullName),
true, false, true, true));
}
}
}
if (typeDef.FullName == "Avalonia.AvaloniaObject")
{
type.IsAvaloniaObjectType = true;
}
typeDef = typeDef.GetBaseType();
level++;
}
type.HasAttachedProperties = type.Properties.Any(p => p.IsAttached);
type.HasStaticGetProperties = type.Properties.Any(p => p.IsStatic && p.HasGetter);
type.HasSetProperties = type.Properties.Any(p => !p.IsStatic && p.HasSetter);
if (ctors?.Any() == true)
{
bool supportType = ctors.Any(m => m.Parameters[0].TypeFullName == "System.Type");
bool supportObject = ctors.Any(m => m.Parameters[0].TypeFullName == "System.Object" ||
m.Parameters[0].TypeFullName == "System.String");
if (types.TryGetValue(ctors.First().Parameters[0].TypeFullName, out MetadataType parType) &&
parType.HasHintValues)
{
type.SupportCtorArgument = MetadataTypeCtorArgument.HintValues;
type.HasHintValues = true;
type.HintValues = parType.HintValues;
}
else if (supportType && supportObject)
{
type.SupportCtorArgument = MetadataTypeCtorArgument.TypeAndObject;
}
else if (supportType)
{
type.SupportCtorArgument = MetadataTypeCtorArgument.Type;
}
else if (supportObject)
{
type.SupportCtorArgument = MetadataTypeCtorArgument.Object;
}
}
}
PostProcessTypes(types, metadata, resourceUrls, avaresValues);
return(metadata);
}
