//============================================================
// ICOMPARABLE IMPLEMENTATION
//============================================================
#region CompareTo(object obj)
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
//------------------------------------------------------------
// If target is a null reference, instance is greater
//------------------------------------------------------------
if (obj == null)
{
return(1);
}
//------------------------------------------------------------
// Determine comparison result using property state of objects
//------------------------------------------------------------
XmlRpcArrayValue value = obj as XmlRpcArrayValue;
if (value != null)
{
int result = XmlRpcMessage.CompareSequence(this.Values, value.Values);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
XmlRpcArrayValue value = obj as XmlRpcArrayValue;
if (value != null)
{
int result = XmlRpcMessage.CompareSequence(this.Values, value.Values);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
/// <summary>
/// Constructs a new <see cref="IXmlRpcValue"/> object from the specified <see cref="XPathNavigator"/>.
/// Parameters specify the XML data source and the variable where the new <see cref="IXmlRpcValue"/> object is returned.
/// </summary>
/// <param name="source">A <see cref="XPathNavigator"/> that represents the XML data source to be parsed.</param>
/// <param name="value">
/// When this method returns, contains an object that represents the <see cref="IXmlRpcValue"/> specified by the <paramref name="source"/>, or <b>null</b> if the conversion failed.
/// This parameter is passed uninitialized.
/// </param>
/// <returns>
/// <b>true</b> if <paramref name="source"/> was converted successfully; otherwise, <b>false</b>.
/// This operation returns <b>false</b> if the <paramref name="source"/> parameter is a null reference (Nothing in Visual Basic),
/// or represents XML data that is not in the expected format.
/// </returns>
/// <remarks>
/// The <paramref name="source"/> is expected to represent an XML-RPC <b>value</b> node.
/// </remarks>
public static bool TryParseValue(XPathNavigator source, out IXmlRpcValue value)
{
if (source == null || String.Compare(source.Name, "value", StringComparison.OrdinalIgnoreCase) != 0)
{
value = null;
return(false);
}
if (source.HasChildren)
{
XPathNavigator navigator = source.CreateNavigator();
if (navigator.MoveToFirstChild())
{
if (String.Compare(navigator.Name, "i4", StringComparison.OrdinalIgnoreCase) == 0)
{
int scalar;
if (Int32.TryParse(navigator.Value, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return(true);
}
}
else if (String.Compare(navigator.Name, "int", StringComparison.OrdinalIgnoreCase) == 0)
{
int scalar;
if (Int32.TryParse(navigator.Value, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return(true);
}
}
else if (String.Compare(navigator.Name, "boolean", StringComparison.OrdinalIgnoreCase) == 0)
{
bool scalar;
if (XmlRpcClient.TryParseBoolean(navigator.Value, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return(true);
}
}
else if (String.Compare(navigator.Name, "string", StringComparison.OrdinalIgnoreCase) == 0)
{
value = new XmlRpcScalarValue(navigator.Value);
return(true);
}
else if (String.Compare(navigator.Name, "double", StringComparison.OrdinalIgnoreCase) == 0)
{
double scalar;
if (Double.TryParse(navigator.Value, NumberStyles.Float, NumberFormatInfo.InvariantInfo, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return(true);
}
}
else if (String.Compare(navigator.Name, "dateTime.iso8601", StringComparison.OrdinalIgnoreCase) == 0)
{
DateTime scalar;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(navigator.Value, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return(true);
}
}
else if (String.Compare(navigator.Name, "base64", StringComparison.OrdinalIgnoreCase) == 0)
{
if (!String.IsNullOrEmpty(navigator.Value))
{
try
{
byte[] data = Convert.FromBase64String(navigator.Value);
value = new XmlRpcScalarValue(data);
return(true);
}
catch (FormatException)
{
value = null;
return(false);
}
}
}
else if (String.Compare(navigator.Name, "struct", StringComparison.OrdinalIgnoreCase) == 0)
{
XmlRpcStructureValue structure = new XmlRpcStructureValue();
if (structure.Load(source))
{
value = structure;
return(true);
}
}
else if (String.Compare(navigator.Name, "array", StringComparison.OrdinalIgnoreCase) == 0)
{
XmlRpcArrayValue array = new XmlRpcArrayValue();
if (array.Load(source))
{
value = array;
return(true);
}
}
}
}
else if (!String.IsNullOrEmpty(source.Value))
{
value = new XmlRpcScalarValue(source.Value);
return(true);
}
value = null;
return(false);
}
/// <summary>
/// Constructs a new <see cref="IXmlRpcValue"/> object from the specified <see cref="XPathNavigator"/>.
/// Parameters specify the XML data source and the variable where the new <see cref="IXmlRpcValue"/> object is returned.
/// </summary>
/// <param name="source">A <see cref="XPathNavigator"/> that represents the XML data source to be parsed.</param>
/// <param name="value">
/// When this method returns, contains an object that represents the <see cref="IXmlRpcValue"/> specified by the <paramref name="source"/>, or <b>null</b> if the conversion failed.
/// This parameter is passed uninitialized.
/// </param>
/// <returns>
/// <b>true</b> if <paramref name="source"/> was converted successfully; otherwise, <b>false</b>.
/// This operation returns <b>false</b> if the <paramref name="source"/> parameter is a null reference (Nothing in Visual Basic),
/// or represents XML data that is not in the expected format.
/// </returns>
/// <remarks>
/// The <paramref name="source"/> is expected to represent an XML-RPC <b>value</b> node.
/// </remarks>
public static bool TryParseValue(XPathNavigator source, out IXmlRpcValue value)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
if (source == null || String.Compare(source.Name, "value", StringComparison.OrdinalIgnoreCase) != 0)
{
value = null;
return false;
}
//------------------------------------------------------------
// Attempt to perform conversion
//------------------------------------------------------------
if(source.HasChildren)
{
XPathNavigator navigator = source.CreateNavigator();
if (navigator.MoveToFirstChild())
{
if (String.Compare(navigator.Name, "i4", StringComparison.OrdinalIgnoreCase) == 0)
{
int scalar;
if (Int32.TryParse(navigator.Value, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return true;
}
}
else if (String.Compare(navigator.Name, "int", StringComparison.OrdinalIgnoreCase) == 0)
{
int scalar;
if (Int32.TryParse(navigator.Value, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return true;
}
}
else if (String.Compare(navigator.Name, "boolean", StringComparison.OrdinalIgnoreCase) == 0)
{
bool scalar;
if (XmlRpcClient.TryParseBoolean(navigator.Value, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return true;
}
}
else if (String.Compare(navigator.Name, "string", StringComparison.OrdinalIgnoreCase) == 0)
{
value = new XmlRpcScalarValue(navigator.Value);
return true;
}
else if (String.Compare(navigator.Name, "double", StringComparison.OrdinalIgnoreCase) == 0)
{
double scalar;
if (Double.TryParse(navigator.Value, NumberStyles.Float, NumberFormatInfo.InvariantInfo, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return true;
}
}
else if (String.Compare(navigator.Name, "dateTime.iso8601", StringComparison.OrdinalIgnoreCase) == 0)
{
DateTime scalar;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(navigator.Value, out scalar))
{
value = new XmlRpcScalarValue(scalar);
return true;
}
}
else if (String.Compare(navigator.Name, "base64", StringComparison.OrdinalIgnoreCase) == 0)
{
if(!String.IsNullOrEmpty(navigator.Value))
{
try
{
byte[] data = Convert.FromBase64String(navigator.Value);
value = new XmlRpcScalarValue(data);
return true;
}
catch(FormatException)
{
value = null;
return false;
}
}
}
else if (String.Compare(navigator.Name, "struct", StringComparison.OrdinalIgnoreCase) == 0)
{
XmlRpcStructureValue structure = new XmlRpcStructureValue();
if (structure.Load(source))
{
value = structure;
return true;
}
}
else if (String.Compare(navigator.Name, "array", StringComparison.OrdinalIgnoreCase) == 0)
{
XmlRpcArrayValue array = new XmlRpcArrayValue();
if (array.Load(source))
{
value = array;
return true;
}
}
}
}
else if (!String.IsNullOrEmpty(source.Value))
{
value = new XmlRpcScalarValue(source.Value);
return true;
}
//------------------------------------------------------------
// Conversion failed, so set result as null and return false
//------------------------------------------------------------
value = null;
return false;
}
