Imported Upstream version 4.2.0.179

Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479

external/referencesource/System.Configuration/System/Configuration/ConfigDefinitionUpdates.cs

@@ -0,0 +1,72 @@
+//------------------------------------------------------------------------------
+// <copyright file="ConfigDefinitionUpdates.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Configuration {
+    using System.Collections;
+
+    //
+    // Contains all the updates to section definitions across all location sections.
+    //
+    internal class ConfigDefinitionUpdates {
+        private ArrayList   _locationUpdatesList;
+        private bool        _requireLocationWritten;
+
+        internal ConfigDefinitionUpdates() {
+            _locationUpdatesList = new ArrayList();
+        }
+
+        //
+        // Find the location update with a certain set of location attributes.
+        //
+        internal LocationUpdates FindLocationUpdates(OverrideModeSetting overrideMode, bool inheritInChildApps) {
+            foreach (LocationUpdates locationUpdates in _locationUpdatesList) {
+                if (    OverrideModeSetting.CanUseSameLocationTag(locationUpdates.OverrideMode, overrideMode) && 
+                        locationUpdates.InheritInChildApps == inheritInChildApps) {
+                    return locationUpdates;
+                }
+            }
+
+            return null;
+        }
+
+        //
+        // Add a section definition update to the correct location update.
+        //
+        internal DefinitionUpdate AddUpdate(OverrideModeSetting overrideMode, bool inheritInChildApps, bool moved, string updatedXml, SectionRecord sectionRecord) {
+            LocationUpdates locationUpdates = FindLocationUpdates(overrideMode, inheritInChildApps);
+            if (locationUpdates == null) {
+                locationUpdates = new LocationUpdates(overrideMode, inheritInChildApps);
+                _locationUpdatesList.Add(locationUpdates);
+            }
+
+            DefinitionUpdate definitionUpdate = new DefinitionUpdate(sectionRecord.ConfigKey, moved, updatedXml, sectionRecord);
+            locationUpdates.SectionUpdates.AddSection(definitionUpdate);
+            return definitionUpdate;
+        }
+
+        //
+        // Determine which section definition updates are new.
+        //
+        internal void CompleteUpdates() {
+            foreach (LocationUpdates locationUpdates in _locationUpdatesList) {
+                locationUpdates.CompleteUpdates();
+            }
+        }
+
+        internal ArrayList LocationUpdatesList {
+            get {return _locationUpdatesList;}
+        }
+
+        internal bool RequireLocation {
+            get { return _requireLocationWritten; }
+            set { _requireLocationWritten = value; }
+        }
+
+        internal void FlagLocationWritten() {
+            _requireLocationWritten = false;
+        }
+    }
+}