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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Globalization;
using System.IO;
using System.Runtime.Versioning;
using System.Xml;
namespace System.Configuration
{
public abstract class ConfigurationSection : ConfigurationElement
{
protected ConfigurationSection()
{
SectionInformation = new SectionInformation(this);
}
public SectionInformation SectionInformation { get; }
protected internal virtual object GetRuntimeObject()
{
return this;
}
protected internal override bool IsModified()
{
return SectionInformation.IsModifiedFlags() ||
base.IsModified();
}
protected internal override void ResetModified()
{
SectionInformation.ResetModifiedFlags();
base.ResetModified();
}
protected internal virtual void DeserializeSection(XmlReader reader)
{
if (!reader.Read() || (reader.NodeType != XmlNodeType.Element))
throw new ConfigurationErrorsException(SR.Config_base_expected_to_find_element, reader);
DeserializeElement(reader, false);
}
protected internal virtual string SerializeSection(ConfigurationElement parentElement, string name,
ConfigurationSaveMode saveMode)
{
if ((CurrentConfiguration != null) &&
(CurrentConfiguration.TargetFramework != null) &&
!ShouldSerializeSectionInTargetVersion(CurrentConfiguration.TargetFramework))
return string.Empty;
ValidateElement(this, null, true);
ConfigurationElement tempElement = CreateElement(GetType());
tempElement.Unmerge(this, parentElement, saveMode);
StringWriter strWriter = new StringWriter(CultureInfo.InvariantCulture);
XmlTextWriter writer = new XmlTextWriter(strWriter)
{
Formatting = Formatting.Indented,
Indentation = 4,
IndentChar = ' '
};
tempElement.DataToWriteInternal = saveMode != ConfigurationSaveMode.Minimal;
if ((CurrentConfiguration != null) && (CurrentConfiguration.TargetFramework != null))
_configRecord.SectionsStack.Push(this);
tempElement.SerializeToXmlElement(writer, name);
if ((CurrentConfiguration != null) && (CurrentConfiguration.TargetFramework != null))
_configRecord.SectionsStack.Pop();
writer.Flush();
return strWriter.ToString();
}
protected internal virtual bool ShouldSerializePropertyInTargetVersion(ConfigurationProperty property,
string propertyName, FrameworkName targetFramework, ConfigurationElement parentConfigurationElement)
{
return true;
}
protected internal virtual bool ShouldSerializeElementInTargetVersion(ConfigurationElement element,
string elementName, FrameworkName targetFramework)
{
return true;
}
protected internal virtual bool ShouldSerializeSectionInTargetVersion(FrameworkName targetFramework)
{
return true;
}
}
}
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