/// <summary>
/// Is something a valid partial QName?
/// </summary>
/// <param name="value">Value</param>
/// <returns></returns>
protected virtual bool IsValidPartialQName(String value)
{
String ns, localname;
if (value.Contains(':'))
{
ns = value.Substring(0, value.IndexOf(':'));
localname = value.Substring(value.IndexOf(':') + 1);
}
else
{
ns = value;
localname = String.Empty;
}
//Namespace Validation
if (!ns.Equals(String.Empty))
{
//Allowed empty Namespace
if (ns.StartsWith("-"))
{
//Can't start with a -
return(false);
}
else
{
char[] nchars = ns.ToCharArray();
if (XmlSpecsHelper.IsNameStartChar(nchars[0]) && nchars[0] != '_')
{
if (nchars.Length > 1)
{
for (int i = 1; i < nchars.Length; i++)
{
//Not a valid Name Char
if (!XmlSpecsHelper.IsNameChar(nchars[i]))
{
return(false);
}
if (nchars[i] == '.')
{
return(false);
}
}
//If we reach here the Namespace is OK
}
else
{
//Only 1 Character which was valid so OK
}
}
else
{
//Doesn't start with a valid Name Start Char
return(false);
}
}
}
//Local Name Validation
if (!localname.Equals(String.Empty))
{
//Allowed empty Local Name
char[] lchars = localname.ToCharArray();
if (XmlSpecsHelper.IsNameStartChar(lchars[0]))
{
if (lchars.Length > 1)
{
for (int i = 1; i < lchars.Length; i++)
{
//Not a valid Name Char
if (!XmlSpecsHelper.IsNameChar(lchars[i]))
{
return(false);
}
if (lchars[i] == '.')
{
return(false);
}
}
//If we reach here the Local Name is OK
}
else
{
//Only 1 Character which was valid so OK
}
}
else
{
//Not a valid Name Start Char
return(false);
}
}
//If we reach here then it's all valid
return(true);
}
