1 /* ****************************************************************************
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3 * Copyright (c) Microsoft Corporation. All rights reserved.
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5 * This software is subject to the Microsoft Public License (Ms-PL).
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6 * A copy of the license can be found in the license.htm file included
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7 * in this distribution.
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9 * You must not remove this notice, or any other, from this software.
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11 * ***************************************************************************/
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13 namespace System.Web.Mvc {
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14 using System.Collections.Generic;
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15 using System.Collections.ObjectModel;
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16 using System.Diagnostics.CodeAnalysis;
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17 using System.Web.Mvc.Resources;
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19 public class ViewEngineCollection : Collection<IViewEngine> {
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21 public ViewEngineCollection() {
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24 public ViewEngineCollection(IList<IViewEngine> list)
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28 [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")]
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29 protected override void InsertItem(int index, IViewEngine item) {
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31 throw new ArgumentNullException("item");
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33 base.InsertItem(index, item);
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36 [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")]
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37 protected override void SetItem(int index, IViewEngine item) {
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39 throw new ArgumentNullException("item");
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41 base.SetItem(index, item);
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44 private ViewEngineResult Find(Func<IViewEngine, ViewEngineResult> cacheLocator, Func<IViewEngine, ViewEngineResult> locator) {
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45 ViewEngineResult result;
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47 foreach (IViewEngine engine in Items) {
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48 if (engine != null) {
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49 result = cacheLocator(engine);
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51 if (result.View != null) {
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57 List<string> searched = new List<string>();
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59 foreach (IViewEngine engine in Items) {
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60 if (engine != null) {
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61 result = locator(engine);
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63 if (result.View != null) {
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67 searched.AddRange(result.SearchedLocations);
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71 return new ViewEngineResult(searched);
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74 public virtual ViewEngineResult FindPartialView(ControllerContext controllerContext, string partialViewName) {
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75 if (controllerContext == null) {
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76 throw new ArgumentNullException("controllerContext");
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78 if (string.IsNullOrEmpty(partialViewName)) {
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79 throw new ArgumentException(MvcResources.Common_NullOrEmpty, "partialViewName");
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81 Func<IViewEngine, ViewEngineResult> cacheLocator = e => e.FindPartialView(controllerContext, partialViewName, true);
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82 Func<IViewEngine, ViewEngineResult> locator = e => e.FindPartialView(controllerContext, partialViewName, false);
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83 return Find(cacheLocator, locator);
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86 public virtual ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName) {
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87 if (controllerContext == null) {
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88 throw new ArgumentNullException("controllerContext");
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90 if (string.IsNullOrEmpty(viewName)) {
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91 throw new ArgumentException(MvcResources.Common_NullOrEmpty, "viewName");
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93 Func<IViewEngine, ViewEngineResult> cacheLocator = e => e.FindView(controllerContext, viewName, masterName, true);
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94 Func<IViewEngine, ViewEngineResult> locator = e => e.FindView(controllerContext, viewName, masterName, false);
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95 return Find(cacheLocator, locator);
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