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//------------------------------------------------------------------------------
// <copyright file="ConfigurationSectionHelper.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Mobile
{
using System.Xml;
using System.Configuration;
using System.Diagnostics;
using System.Globalization;
[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
internal class ConfigurationSectionHelper
{
private XmlNode _currentNode = null;
internal ConfigurationSectionHelper() {
}
internal /*public*/ XmlNode Node
{
get
{
return _currentNode;
}
set
{
_currentNode = value;
}
}
private XmlNode GetAndRemoveAttribute(String attributeName, bool required)
{
XmlNode attibuteNode = _currentNode.Attributes.RemoveNamedItem(attributeName);
if (required && attibuteNode == null)
{
String msg = SR.GetString(SR.ConfigSect_MissingAttr,
attributeName);
throw new ConfigurationErrorsException(msg, _currentNode);
}
return attibuteNode;
}
internal /*public*/ String RemoveStringAttribute(String attributeName,
bool required)
{
Debug.Assert(null != _currentNode);
XmlNode attributeNode = GetAndRemoveAttribute(attributeName, required);
if(attributeNode != null)
{
if(required && (attributeNode.Value != null && attributeNode.Value.Length == 0))
{
String msg = SR.GetString(SR.ConfigSect_MissingValue,
attributeName);
throw new ConfigurationErrorsException(msg, _currentNode);
}
return attributeNode.Value;
}
else
{
return null;
}
}
#if UNUSED_CODE
internal /*public*/ bool RemoveBoolAttribute(String attributeName,
bool required,
bool defaultValue)
{
Debug.Assert(null != _currentNode);
XmlNode attributeNode = GetAndRemoveAttribute(attributeName, required);
if(attributeNode != null)
{
try
{
return bool.Parse(attributeNode.Value);
}
catch
{
String msg =
SR.GetString(SR.ConfigSect_InvalidBooleanAttr,
attributeName);
throw new ConfigurationErrorsException(msg, _currentNode);
}
}
else
{
return defaultValue;
}
}
internal /*public*/ int RemoveIntAttribute(String attributeName,
bool required,
int defaultValue)
{
Debug.Assert(null != _currentNode);
XmlNode attributeNode = GetAndRemoveAttribute(attributeName, required);
if(attributeNode != null)
{
try
{
return int.Parse(attributeNode.Value, CultureInfo.InvariantCulture);
}
catch
{
String msg =
SR.GetString(SR.ConfigSect_InvalidIntegerAttr,
attributeName);
throw new ConfigurationErrorsException(msg, _currentNode);
}
}
else
{
return defaultValue;
}
}
#endif
internal /*public*/ void CheckForUnrecognizedAttributes()
{
Debug.Assert(null != _currentNode);
if(_currentNode.Attributes.Count != 0)
{
String msg = SR.GetString(SR.ConfigSect_UnknownAttr,
_currentNode.Attributes[0].Name);
throw new ConfigurationErrorsException(msg, _currentNode);
}
}
internal /*public*/ bool IsWhitespaceOrComment()
{
Debug.Assert(null != _currentNode);
return _currentNode.NodeType == XmlNodeType.Comment ||
_currentNode.NodeType == XmlNodeType.Whitespace;
}
internal /*public*/ void RejectNonElement()
{
Debug.Assert(null != _currentNode);
if(_currentNode.NodeType != XmlNodeType.Element)
{
throw new ConfigurationErrorsException(SR.GetString(SR.ConfigSect_UnrecognizedXML),
_currentNode);
}
}
}
}
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