/// <summary>
///
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
public static ABNF_Concatenation Parse(System.IO.StringReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
// concatenation = repetition *(1*c-wsp repetition)
// repetition = [repeat] element
ABNF_Concatenation retVal = new ABNF_Concatenation();
while (true)
{
ABNF_Repetition item = ABNF_Repetition.Parse(reader);
if (item != null)
{
retVal.m_pItems.Add(item);
}
// We reached end of string.
else if (reader.Peek() == -1)
{
break;
}
// We have next concatenation item.
else if (reader.Peek() == ' ')
{
reader.Read();
}
// We have unexpected value, probably concatenation ends.
else
{
break;
}
}
return(retVal);
}
/// <summary>
///
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
public static ABNF_Alternation Parse(System.IO.StringReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
// alternation = concatenation *(*c-wsp "/" *c-wsp concatenation)
ABNF_Alternation retVal = new ABNF_Alternation();
while (true)
{
ABNF_Concatenation item = ABNF_Concatenation.Parse(reader);
if (item != null)
{
retVal.m_pItems.Add(item);
}
// We reached end of string.
if (reader.Peek() == -1)
{
break;
}
// We have next alternation item.
else if (reader.Peek() == '/')
{
reader.Read();
}
// We have unexpected value, probably alternation ends.
else
{
break;
}
}
return(retVal);
}