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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Xml;
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using System.Xml.Serialization;
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using Implab.Components;
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namespace Implab.ServiceHost.Unity {
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public class ContainerConfigurationSchema {
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public static ContainerConfigurationSchema Default { get; private set; } = CreateDefault();
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readonly LazyAndWeak<XmlSerializer> m_seralizer;
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readonly XmlAttributeOverrides m_overrides = new XmlAttributeOverrides();
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readonly XmlAttributes m_containerItems = new XmlAttributes();
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public XmlSerializer Serializer {
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get {
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return m_seralizer.Value;
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}
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}
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public ContainerConfigurationSchema() {
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m_overrides.Add(typeof(ContainerElement), nameof(ContainerElement.Items), m_containerItems);
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m_seralizer = new LazyAndWeak<XmlSerializer>(() => new XmlSerializer(typeof(ContainerElement), m_overrides));
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}
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public void RegisterContainerElement(Type type, string name) {
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Safe.ArgumentNotNull(type, nameof(type));
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Safe.ArgumentNotEmpty(name, nameof(name));
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if(!type.IsSubclassOf(typeof(ContainerItemElement)))
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throw new Exception($"RegisterContainerElement '{name}': {type} must be subclass of {typeof(ContainerItemElement)}");
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m_containerItems.XmlElements.Add(
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new XmlElementAttribute(name, type)
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);
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}
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public void RegisterContainerElement<T>(string name) where T : ContainerItemElement {
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RegisterContainerElement(typeof(T), name);
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}
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public ContainerElement LoadFile(string file) {
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using (var reader = XmlReader.Create(file)) {
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return (ContainerElement)Serializer.Deserialize(reader);
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}
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}
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static ContainerConfigurationSchema CreateDefault() {
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var schema = new ContainerConfigurationSchema();
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schema.RegisterContainerElement<RegisterElement>("register");
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schema.RegisterContainerElement<IncludeElement>("include");
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schema.RegisterContainerElement<AssemblyElement>("assembly");
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schema.RegisterContainerElement<NamespaceElement>("namespace");
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return schema;
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}
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}
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}
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