Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Configuration / System / Configuration / SectionUpdates.cs / 1 / SectionUpdates.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections; // // A collection of updates to the sections that have the same location attributes. // internal class SectionUpdates { private string _name; // name of this section, for debugging private Hashtable _groups; // group name -> SectionUpdates private Hashtable _sections; // section name -> Update private int _cUnretrieved; // number of items not retrieved in update algorithm. private int _cMoved; // number of items moved (new or location attributes changed). private Update _sectionGroupUpdate; // update for this group private bool _isNew; // is the entire section new (all sections and subgroups)? internal SectionUpdates(string name) { _name = name; _groups = new Hashtable(); _sections = new Hashtable(); } internal bool IsNew { get {return _isNew;} set {_isNew = value;} } internal bool IsEmpty { get { return _groups.Count == 0 && _sections.Count == 0; } } // // Find the SectionUpdates for a configKey, and create it if it does not exist. // private SectionUpdates FindSectionUpdates(string configKey, bool isGroup) { string group, dummy; if (isGroup) { group = configKey; } else { BaseConfigurationRecord.SplitConfigKey(configKey, out group, out dummy); } Debug.Assert(String.IsNullOrEmpty(_name), "FindSectionUpdates assumes search is from root record"); SectionUpdates sectionUpdates = this; if (group.Length != 0) { // find the SectionUpdates for the group string [] groups = group.Split(BaseConfigurationRecord.ConfigPathSeparatorParams); foreach (string groupPart in groups) { SectionUpdates sectionUpdatesChild = (SectionUpdates) sectionUpdates._groups[groupPart]; if (sectionUpdatesChild == null) { sectionUpdatesChild = new SectionUpdates(groupPart); sectionUpdates._groups[groupPart] = sectionUpdatesChild; } sectionUpdates = sectionUpdatesChild; } } return sectionUpdates; } // // Recursively check whether this group has all new updates. // An update is new if all sections are new and all subgroups are new. // internal void CompleteUpdates() { bool allSubgroupsAreNew = true; // call CompleteUpdates() for all children foreach (SectionUpdates sectionUpdates in _groups.Values) { sectionUpdates.CompleteUpdates(); if (!sectionUpdates.IsNew) { allSubgroupsAreNew = false; } } _isNew = allSubgroupsAreNew && _cMoved == _sections.Count; } // // Add one update. // internal void AddSection(Update update) { SectionUpdates sectionUpdates = FindSectionUpdates(update.ConfigKey, false); sectionUpdates._sections.Add(update.ConfigKey, update); // Maintain counts. sectionUpdates._cUnretrieved++; if (update.Moved) { sectionUpdates._cMoved++; } } // // Add a section group update. // internal void AddSectionGroup(Update update) { SectionUpdates sectionUpdates = FindSectionUpdates(update.ConfigKey, true); sectionUpdates._sectionGroupUpdate = update; } // // Retrieve an update if it has not yet been retrieved. // private Update GetUpdate(string configKey) { Update update = (Update) _sections[configKey]; if (update != null) { if (update.Retrieved) { update = null; } else { update.Retrieved = true; _cUnretrieved--; if (update.Moved) { _cMoved--; } } } return update; } // // Get the update for a section group. // internal DeclarationUpdate GetSectionGroupUpdate() { if (_sectionGroupUpdate != null && !_sectionGroupUpdate.Retrieved) { _sectionGroupUpdate.Retrieved = true; return (DeclarationUpdate) _sectionGroupUpdate; } return null; } internal DefinitionUpdate GetDefinitionUpdate(string configKey) { return (DefinitionUpdate) GetUpdate(configKey); } internal DeclarationUpdate GetDeclarationUpdate(string configKey) { return (DeclarationUpdate) GetUpdate(configKey); } internal SectionUpdates GetSectionUpdatesForGroup(string group) { return (SectionUpdates) _groups[group]; } // // Return true if this section group or any of its children have unretrieved sections. // internal bool HasUnretrievedSections() { if (_cUnretrieved > 0 || (_sectionGroupUpdate != null && !_sectionGroupUpdate.Retrieved)) { return true; } foreach (SectionUpdates sectionUpdates in _groups.Values) { if (sectionUpdates.HasUnretrievedSections()) { return true; } } return false; } // // Return true if this section group contains any new section groups, false otherwise. // internal bool HasNewSectionGroups() { foreach (SectionUpdates sectionUpdates in _groups.Values) { if (sectionUpdates.IsNew) return true; } return false; } // // Return a sorted list of the names of unretrieved sections in this group. // internal string[] GetUnretrievedSectionNames() { if (_cUnretrieved == 0) return null; string[] sectionNames = new string[_cUnretrieved]; int i = 0; foreach (Update update in _sections.Values) { if (!update.Retrieved) { sectionNames[i] = update.ConfigKey; i++; } } Array.Sort(sectionNames); return sectionNames; } // // Return a sorted list of the names of moved and unretrieved sections in this group. // internal string[] GetMovedSectionNames() { if (_cMoved == 0) return null; string[] sectionNames = new string[_cMoved]; int i = 0; foreach (Update update in _sections.Values) { if (update.Moved && !update.Retrieved) { sectionNames[i] = update.ConfigKey; i++; } } Array.Sort(sectionNames); return sectionNames; } // // Return a sorted list of the names of groups with unretrieved sections. // internal string[] GetUnretrievedGroupNames() { ArrayList unretrievedGroups = new ArrayList(); foreach (DictionaryEntry de in _groups) { string group = (string) de.Key; SectionUpdates sectionUpdates = (SectionUpdates) de.Value; if (sectionUpdates.HasUnretrievedSections()) { unretrievedGroups.Add(group); } } if (unretrievedGroups.Count == 0) return null; string[] groupNames = new string[unretrievedGroups.Count]; unretrievedGroups.CopyTo(groupNames); Array.Sort(groupNames); return groupNames; } // // Return a sorted list of the names of new section groups with unretrieved sections. // internal string[] GetNewGroupNames() { ArrayList newsGroups = new ArrayList(); foreach (DictionaryEntry de in _groups) { string group = (string) de.Key; SectionUpdates sectionUpdates = (SectionUpdates) de.Value; if (sectionUpdates.IsNew && sectionUpdates.HasUnretrievedSections()) { newsGroups.Add(group); } } if (newsGroups.Count == 0) return null; string[] groupNames = new string[newsGroups.Count]; newsGroups.CopyTo(groupNames); Array.Sort(groupNames); return groupNames; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections; // // A collection of updates to the sections that have the same location attributes. // internal class SectionUpdates { private string _name; // name of this section, for debugging private Hashtable _groups; // group name -> SectionUpdates private Hashtable _sections; // section name -> Update private int _cUnretrieved; // number of items not retrieved in update algorithm. private int _cMoved; // number of items moved (new or location attributes changed). private Update _sectionGroupUpdate; // update for this group private bool _isNew; // is the entire section new (all sections and subgroups)? internal SectionUpdates(string name) { _name = name; _groups = new Hashtable(); _sections = new Hashtable(); } internal bool IsNew { get {return _isNew;} set {_isNew = value;} } internal bool IsEmpty { get { return _groups.Count == 0 && _sections.Count == 0; } } // // Find the SectionUpdates for a configKey, and create it if it does not exist. // private SectionUpdates FindSectionUpdates(string configKey, bool isGroup) { string group, dummy; if (isGroup) { group = configKey; } else { BaseConfigurationRecord.SplitConfigKey(configKey, out group, out dummy); } Debug.Assert(String.IsNullOrEmpty(_name), "FindSectionUpdates assumes search is from root record"); SectionUpdates sectionUpdates = this; if (group.Length != 0) { // find the SectionUpdates for the group string [] groups = group.Split(BaseConfigurationRecord.ConfigPathSeparatorParams); foreach (string groupPart in groups) { SectionUpdates sectionUpdatesChild = (SectionUpdates) sectionUpdates._groups[groupPart]; if (sectionUpdatesChild == null) { sectionUpdatesChild = new SectionUpdates(groupPart); sectionUpdates._groups[groupPart] = sectionUpdatesChild; } sectionUpdates = sectionUpdatesChild; } } return sectionUpdates; } // // Recursively check whether this group has all new updates. // An update is new if all sections are new and all subgroups are new. // internal void CompleteUpdates() { bool allSubgroupsAreNew = true; // call CompleteUpdates() for all children foreach (SectionUpdates sectionUpdates in _groups.Values) { sectionUpdates.CompleteUpdates(); if (!sectionUpdates.IsNew) { allSubgroupsAreNew = false; } } _isNew = allSubgroupsAreNew && _cMoved == _sections.Count; } // // Add one update. // internal void AddSection(Update update) { SectionUpdates sectionUpdates = FindSectionUpdates(update.ConfigKey, false); sectionUpdates._sections.Add(update.ConfigKey, update); // Maintain counts. sectionUpdates._cUnretrieved++; if (update.Moved) { sectionUpdates._cMoved++; } } // // Add a section group update. // internal void AddSectionGroup(Update update) { SectionUpdates sectionUpdates = FindSectionUpdates(update.ConfigKey, true); sectionUpdates._sectionGroupUpdate = update; } // // Retrieve an update if it has not yet been retrieved. // private Update GetUpdate(string configKey) { Update update = (Update) _sections[configKey]; if (update != null) { if (update.Retrieved) { update = null; } else { update.Retrieved = true; _cUnretrieved--; if (update.Moved) { _cMoved--; } } } return update; } // // Get the update for a section group. // internal DeclarationUpdate GetSectionGroupUpdate() { if (_sectionGroupUpdate != null && !_sectionGroupUpdate.Retrieved) { _sectionGroupUpdate.Retrieved = true; return (DeclarationUpdate) _sectionGroupUpdate; } return null; } internal DefinitionUpdate GetDefinitionUpdate(string configKey) { return (DefinitionUpdate) GetUpdate(configKey); } internal DeclarationUpdate GetDeclarationUpdate(string configKey) { return (DeclarationUpdate) GetUpdate(configKey); } internal SectionUpdates GetSectionUpdatesForGroup(string group) { return (SectionUpdates) _groups[group]; } // // Return true if this section group or any of its children have unretrieved sections. // internal bool HasUnretrievedSections() { if (_cUnretrieved > 0 || (_sectionGroupUpdate != null && !_sectionGroupUpdate.Retrieved)) { return true; } foreach (SectionUpdates sectionUpdates in _groups.Values) { if (sectionUpdates.HasUnretrievedSections()) { return true; } } return false; } // // Return true if this section group contains any new section groups, false otherwise. // internal bool HasNewSectionGroups() { foreach (SectionUpdates sectionUpdates in _groups.Values) { if (sectionUpdates.IsNew) return true; } return false; } // // Return a sorted list of the names of unretrieved sections in this group. // internal string[] GetUnretrievedSectionNames() { if (_cUnretrieved == 0) return null; string[] sectionNames = new string[_cUnretrieved]; int i = 0; foreach (Update update in _sections.Values) { if (!update.Retrieved) { sectionNames[i] = update.ConfigKey; i++; } } Array.Sort(sectionNames); return sectionNames; } // // Return a sorted list of the names of moved and unretrieved sections in this group. // internal string[] GetMovedSectionNames() { if (_cMoved == 0) return null; string[] sectionNames = new string[_cMoved]; int i = 0; foreach (Update update in _sections.Values) { if (update.Moved && !update.Retrieved) { sectionNames[i] = update.ConfigKey; i++; } } Array.Sort(sectionNames); return sectionNames; } // // Return a sorted list of the names of groups with unretrieved sections. // internal string[] GetUnretrievedGroupNames() { ArrayList unretrievedGroups = new ArrayList(); foreach (DictionaryEntry de in _groups) { string group = (string) de.Key; SectionUpdates sectionUpdates = (SectionUpdates) de.Value; if (sectionUpdates.HasUnretrievedSections()) { unretrievedGroups.Add(group); } } if (unretrievedGroups.Count == 0) return null; string[] groupNames = new string[unretrievedGroups.Count]; unretrievedGroups.CopyTo(groupNames); Array.Sort(groupNames); return groupNames; } // // Return a sorted list of the names of new section groups with unretrieved sections. // internal string[] GetNewGroupNames() { ArrayList newsGroups = new ArrayList(); foreach (DictionaryEntry de in _groups) { string group = (string) de.Key; SectionUpdates sectionUpdates = (SectionUpdates) de.Value; if (sectionUpdates.IsNew && sectionUpdates.HasUnretrievedSections()) { newsGroups.Add(group); } } if (newsGroups.Count == 0) return null; string[] groupNames = new string[newsGroups.Count]; newsGroups.CopyTo(groupNames); Array.Sort(groupNames); return groupNames; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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