int ReadBinaryContent(byte[] buffer, int offset, int count, bool isBase64)
{
CryptoHelper.ValidateBufferBounds(buffer, offset, count);
//
// Concatentate text nodes to get entire element value before attempting to convert
// XmlDictionaryReader.CreateDictionaryReader( XmlReader ) creates a reader that returns base64 in a single text node
// XmlDictionaryReader.CreateTextReader( Stream ) creates a reader that produces multiple text and whitespace nodes
// Attribute nodes consist of only a single value
//
if (this.contentStream == null)
{
string encodedValue;
if (NodeType == XmlNodeType.Attribute)
{
encodedValue = Value;
}
else
{
StringBuilder fullText = new StringBuilder(1000);
while (NodeType != XmlNodeType.Element && NodeType != XmlNodeType.EndElement)
{
switch (NodeType)
{
// concatenate text nodes
case XmlNodeType.Text:
fullText.Append(Value);
break;
// skip whitespace
case XmlNodeType.Whitespace:
break;
}
Read();
}
encodedValue = fullText.ToString();
}
byte[] value = isBase64 ? Convert.FromBase64String(encodedValue) : HexBinary.Parse(encodedValue).Value;
this.contentStream = new MemoryStream(value);
}
int read = this.contentStream.Read(buffer, offset, count);
if (read == 0)
{
this.contentStream.Close();
this.contentStream = null;
}
return(read);
}
private int ReadBinaryContent(byte[] buffer, int offset, int count, bool isBase64)
{
CryptoHelper.ValidateBufferBounds(buffer, offset, count);
int num = 0;
while (((count > 0) && (this.NodeType != XmlNodeType.Element)) && (this.NodeType != XmlNodeType.EndElement))
{
if (this.contentStream == null)
{
byte[] buffer2 = isBase64 ? Convert.FromBase64String(this.Value) : SoapHexBinary.Parse(this.Value).Value;
this.contentStream = new MemoryStream(buffer2);
}
int num2 = this.contentStream.Read(buffer, offset, count);
if ((num2 == 0) && ((this.NodeType == XmlNodeType.Attribute) || !this.Read()))
{
return(num);
}
num += num2;
offset += num2;
count -= num2;
}
return(num);
}
