using System.Runtime.Versioning; namespace System.Configuration { public class ConfigurationSectionGroup { private MgmtConfigurationRecord _configRecord; private ConfigurationSectionGroupCollection _configSectionGroups; private ConfigurationSectionCollection _configSections; private string _typeName; internal bool Attached => _configRecord != null; public bool IsDeclared { get; set; } public bool IsDeclarationRequired { get; set; } public string SectionGroupName { get; set; } = string.Empty; public string Name { get; set; } = string.Empty; public string Type { get { return _typeName; } set { if (IsRoot) throw new InvalidOperationException(System.SR.Config_root_section_group_cannot_be_edited); string text = value; if (string.IsNullOrEmpty(text)) text = null; if (_configRecord != null) { if (_configRecord.IsLocationConfig) throw new InvalidOperationException(System.SR.Config_cannot_edit_configurationsectiongroup_in_location_config); if (text != null) { FactoryRecord factoryRecord = FindParentFactoryRecord(false); if (factoryRecord != null && !factoryRecord.IsEquivalentType(_configRecord.Host, text)) throw new ConfigurationErrorsException(System.SR.Format(System.SR.Config_tag_name_already_defined, SectionGroupName)); } } _typeName = text; } } public ConfigurationSectionCollection Sections { get { if (_configSections == null) { VerifyIsAttachedToConfigRecord(); _configSections = new ConfigurationSectionCollection(_configRecord, this); } return _configSections; } } public ConfigurationSectionGroupCollection SectionGroups { get { if (_configSectionGroups == null) { VerifyIsAttachedToConfigRecord(); _configSectionGroups = new ConfigurationSectionGroupCollection(_configRecord, this); } return _configSectionGroups; } } internal bool IsRoot { get; set; } internal void AttachToConfigurationRecord(MgmtConfigurationRecord configRecord, FactoryRecord factoryRecord) { _configRecord = configRecord; SectionGroupName = factoryRecord.ConfigKey; Name = factoryRecord.Name; _typeName = factoryRecord.FactoryTypeName; if (_typeName != null) { FactoryRecord factoryRecord2 = null; if (!configRecord.Parent.IsRootConfig) factoryRecord2 = configRecord.Parent.FindFactoryRecord(factoryRecord.ConfigKey, true); IsDeclarationRequired = (factoryRecord2?.FactoryTypeName == null); IsDeclared = (configRecord.GetFactoryRecord(factoryRecord.ConfigKey, true) != null); } } internal void RootAttachToConfigurationRecord(MgmtConfigurationRecord configRecord) { _configRecord = configRecord; IsRoot = true; } internal void DetachFromConfigurationRecord() { _configSections?.DetachFromConfigurationRecord(); _configSectionGroups?.DetachFromConfigurationRecord(); _configRecord = null; } private FactoryRecord FindParentFactoryRecord(bool permitErrors) { FactoryRecord result = null; if (_configRecord != null && !_configRecord.Parent.IsRootConfig) result = _configRecord.Parent.FindFactoryRecord(SectionGroupName, permitErrors); return result; } private void VerifyIsAttachedToConfigRecord() { if (_configRecord == null) throw new InvalidOperationException(System.SR.Config_cannot_edit_configurationsectiongroup_when_not_attached); } public void ForceDeclaration() { ForceDeclaration(true); } public void ForceDeclaration(bool force) { if (IsRoot) throw new InvalidOperationException(System.SR.Config_root_section_group_cannot_be_edited); if (_configRecord != null && _configRecord.IsLocationConfig) throw new InvalidOperationException(System.SR.Config_cannot_edit_configurationsectiongroup_in_location_config); if (force || !IsDeclarationRequired) IsDeclared = force; } protected internal virtual bool ShouldSerializeSectionGroupInTargetVersion(FrameworkName targetFramework) { return true; } } }