|
//------------------------------------------------------------------------------
// <copyright file="FolderLevelBuildProviderCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Configuration {
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Web.Compilation;
// class CompilationSection
[ConfigurationCollection(typeof(FolderLevelBuildProvider))]
public sealed class FolderLevelBuildProviderCollection : ConfigurationElementCollection {
private static ConfigurationPropertyCollection _properties;
private Dictionary<FolderLevelBuildProviderAppliesTo, List<Type>> _buildProviderMappings;
private HashSet<Type> _buildProviderTypes;
private bool _folderLevelBuildProviderTypesSet;
static FolderLevelBuildProviderCollection() {
// Property initialization
_properties = new ConfigurationPropertyCollection();
}
public FolderLevelBuildProviderCollection()
: base(StringComparer.OrdinalIgnoreCase) {
}
protected override ConfigurationPropertyCollection Properties {
get {
return _properties;
}
}
public new BuildProvider this[string name] {
get {
return (BuildProvider)BaseGet(name);
}
}
public FolderLevelBuildProvider this[int index] {
get {
return (FolderLevelBuildProvider)BaseGet(index);
}
set {
if (BaseGet(index) != null)
BaseRemoveAt(index);
BaseAdd(index, value);
}
}
public void Add(FolderLevelBuildProvider buildProvider) {
BaseAdd(buildProvider);
}
public void Remove(String name) {
BaseRemove(name);
}
public void RemoveAt(int index) {
BaseRemoveAt(index);
}
public void Clear() {
BaseClear();
}
protected override ConfigurationElement CreateNewElement() {
return new FolderLevelBuildProvider();
}
protected override Object GetElementKey(ConfigurationElement element) {
return ((FolderLevelBuildProvider)element).Name;
}
// Add a mapping from appliesTo to the buildProviderType
private void AddMapping(FolderLevelBuildProviderAppliesTo appliesTo, Type buildProviderType) {
if (_buildProviderMappings == null) {
_buildProviderMappings = new Dictionary<FolderLevelBuildProviderAppliesTo, List<Type>>();
}
if (_buildProviderTypes == null) {
_buildProviderTypes = new HashSet<Type>();
}
List<Type> buildProviders = null;
if (!_buildProviderMappings.TryGetValue(appliesTo, out buildProviders)) {
buildProviders = new List<Type>();
_buildProviderMappings.Add(appliesTo, buildProviders);
}
buildProviders.Add(buildProviderType);
_buildProviderTypes.Add(buildProviderType);
}
internal List<Type> GetBuildProviderTypes(FolderLevelBuildProviderAppliesTo appliesTo) {
EnsureFolderLevelBuildProvidersInitialized();
var buildProviders = new List<Type>();
if (_buildProviderMappings != null) {
foreach (var pair in _buildProviderMappings) {
if ((pair.Key & appliesTo) != 0) {
buildProviders.AddRange(pair.Value);
}
}
}
return buildProviders;
}
internal bool IsFolderLevelBuildProvider(Type t) {
EnsureFolderLevelBuildProvidersInitialized();
if (_buildProviderTypes != null) {
return _buildProviderTypes.Contains(t);
}
return false;
}
// Initialize the dictionary mapping appliesTo to buildProvider types
private void EnsureFolderLevelBuildProvidersInitialized() {
if (!_folderLevelBuildProviderTypesSet) {
lock (this) {
if (!_folderLevelBuildProviderTypesSet) {
foreach (FolderLevelBuildProvider buildProvider in this) {
AddMapping(buildProvider.AppliesToInternal, buildProvider.TypeInternal);
}
_folderLevelBuildProviderTypesSet = true;
}
}
}
}
}
}
|