ConfigurationContext.cs
80 lines
| 2.7 KiB
| text/x-csharp
|
CSharpLexer
cin
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r268 | using System; | |
using System.Collections.Generic; | |||
using System.Text.RegularExpressions; | |||
using Implab.Diagnostics; | |||
namespace Implab.ServiceHost.Unity { | |||
using System.Linq; | |||
using System.Text; | |||
using static Trace<ConfigurationContext>; | |||
public class ConfigurationContext { | |||
Regex _nsRx = new Regex(@"^\w+(\.\w+)*$", RegexOptions.Compiled); | |||
readonly LinkedList<string> m_namespases = new LinkedList<string>(); | |||
LinkedListNode<string> m_insertAt; | |||
public ConfigurationContext() { | |||
m_insertAt = new LinkedListNode<string>(string.Empty); | |||
m_namespases.AddFirst(m_insertAt); | |||
} | |||
public void AddNamespace(string ns) { | |||
Safe.ArgumentMatch(ns, nameof(ns), _nsRx); | |||
if (m_insertAt != null) | |||
m_namespases.AddAfter(m_insertAt, ns); | |||
else | |||
m_namespases.AddFirst(ns); | |||
} | |||
public Type Resolve(TypeReference reference) { | |||
Safe.ArgumentNotNull(reference, nameof(reference)); | |||
var args = reference.IsGeneric && !reference.IsOpenGeneric ? reference.GenericParameters?.Select(Resolve).ToArray() : null; | |||
var argc = reference.IsGeneric ? reference.GenericParameters.Length : 0; | |||
foreach (var ns in m_namespases) { | |||
var typeName = FormatName(new [] { ns, reference.Namespace, reference.TypeName}, argc, args, reference.IsArray); | |||
var resolved = Type.GetType(typeName, false); | |||
if (resolved != null) { | |||
Log("Probe succeed {0} in '{1}': {2} -> {3}", reference, ns, typeName, resolved.FullName); | |||
return resolved; | |||
} else { | |||
Log("Probe failed {0} in '{1}': {2}", reference, ns, typeName); | |||
} | |||
} | |||
throw new Exception($"Failed to resolve: {reference}"); | |||
} | |||
string FormatName(string[] parts, int argc, Type[] args, bool isArray) { | |||
var builder = new StringBuilder(); | |||
builder.Append(String.Join(".", parts.Where(x => !string.IsNullOrEmpty(x)))); | |||
if (argc > 0) { | |||
builder.Append('`'); | |||
builder.Append(argc); | |||
} | |||
if (args!= null && args.Length > 0) { | |||
builder.Append('['); | |||
builder.Append(string.Join(",", args.Select(x => x.FullName))); | |||
builder.Append(']'); | |||
} | |||
if(isArray) | |||
builder.Append("[]"); | |||
return builder.ToString(); | |||
} | |||
public Type Resolve(string typeReference) { | |||
return Resolve(TypeReference.Parse(typeReference)); | |||
} | |||
public void Register(ServiceElement descriptor) { | |||
} | |||
} | |||
} |